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    dnes 17:33 | Nová verze

    Canonical vydal (email, blog, YouTube) Ubuntu 24.04 LTS Noble Numbat. Přehled novinek v poznámkách k vydání a také příspěvcích na blogu: novinky v desktopu a novinky v bezpečnosti. Vydány byly také oficiální deriváty Edubuntu, Kubuntu, Lubuntu, Ubuntu Budgie, Ubuntu Cinnamon, Ubuntu Kylin, Ubuntu MATE, Ubuntu Studio, Ubuntu Unity a Xubuntu. Jedná se o 10. LTS verzi.

    Ladislav Hagara | Komentářů: 0
    dnes 14:22 | Komunita

    Na YouTube je k dispozici videozáznam z včerejšího Czech Open Source Policy Forum 2024.

    Ladislav Hagara | Komentářů: 0
    dnes 13:22 | Nová verze

    Fossil (Wikipedie) byl vydán ve verzi 2.24. Jedná se o distribuovaný systém správy verzí propojený se správou chyb, wiki stránek a blogů s integrovaným webovým rozhraním. Vše běží z jednoho jediného spustitelného souboru a uloženo je v SQLite databázi.

    Ladislav Hagara | Komentářů: 0
    dnes 12:44 | Nová verze

    Byla vydána nová stabilní verze 6.7 webového prohlížeče Vivaldi (Wikipedie). Postavena je na Chromiu 124. Přehled novinek i s náhledy v příspěvku na blogu. Vypíchnout lze Spořič paměti (Memory Saver) automaticky hibernující karty, které nebyly nějakou dobu používány nebo vylepšené Odběry (Feed Reader).

    Ladislav Hagara | Komentářů: 0
    dnes 04:55 | Nová verze

    OpenJS Foundation, oficiální projekt konsorcia Linux Foundation, oznámila vydání verze 22 otevřeného multiplatformního prostředí pro vývoj a běh síťových aplikací napsaných v JavaScriptu Node.js (Wikipedie). V říjnu se verze 22 stane novou aktivní LTS verzí. Podpora je plánována do dubna 2027.

    Ladislav Hagara | Komentářů: 0
    dnes 04:22 | Nová verze

    Byla vydána verze 8.2 open source virtualizační platformy Proxmox VE (Proxmox Virtual Environment, Wikipedie) založené na Debianu. Přehled novinek v poznámkách k vydání a v informačním videu. Zdůrazněn je průvodce migrací hostů z VMware ESXi do Proxmoxu.

    Ladislav Hagara | Komentářů: 0
    dnes 04:11 | Nová verze

    R (Wikipedie), programovací jazyk a prostředí určené pro statistickou analýzu dat a jejich grafické zobrazení, bylo vydáno ve verzi 4.4.0. Její kódové jméno je Puppy Cup.

    Ladislav Hagara | Komentářů: 0
    včera 22:44 | IT novinky

    IBM kupuje společnost HashiCorp (Terraform, Packer, Vault, Boundary, Consul, Nomad, Waypoint, Vagrant, …) za 6,4 miliardy dolarů, tj. 35 dolarů za akcii.

    Ladislav Hagara | Komentářů: 12
    včera 15:55 | Nová verze

    Byl vydán TrueNAS SCALE 24.04 “Dragonfish”. Přehled novinek této open source storage platformy postavené na Debianu v poznámkách k vydání.

    Ladislav Hagara | Komentářů: 0
    včera 13:44 | IT novinky

    Oznámeny byly nové Raspberry Pi Compute Module 4S. Vedle původní 1 GB varianty jsou nově k dispozici také varianty s 2 GB, 4 GB a 8 GB paměti. Compute Modules 4S mají na rozdíl od Compute Module 4 tvar a velikost Compute Module 3+ a předchozích. Lze tak provést snadný upgrade.

    Ladislav Hagara | Komentářů: 0
    KDE Plasma 6
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     (17%)
    Celkem 753 hlasů
     Komentářů: 4, poslední 6.4. 15:51
    Rozcestník

    Dotaz: Samovolné odpojování USB externího disku

    10.9.2012 17:51 Martin
    Samovolné odpojování USB externího disku
    Přečteno: 2645×
    Zdravím, mám externí disk WD My Book Essential 1TB. Při přehrávání filmů, které jsou na něm uložené (používám VLC 2.0.1), se mi disk sám od sebe odpojí a hned zase připojí. Odpojování je v náhodných intervalech. Jednou je to za 10 minut, podruhé za 1 minutu. Výpis z dmesg
    [2816291.404167] usb 8-1: new high-speed USB device number 64 using ehci_hcd
    [2816292.101705] usb 8-1: New USB device found, idVendor=1058, idProduct=1130
    [2816292.101709] usb 8-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    [2816292.101712] usb 8-1: Product: My Book 1130
    [2816292.101714] usb 8-1: Manufacturer: Western Digital
    [2816292.101716] usb 8-1: SerialNumber: 57434156354B303934393230
    [2816292.110069] scsi91 : usb-storage 8-1:1.0
    [2816294.179620] scsi 91:0:0:0: Direct-Access     WD       My Book 1130     1012 PQ: 0 ANSI: 6
    [2816294.180471] scsi 91:0:0:1: Enclosure         WD       SES Device       1012 PQ: 0 ANSI: 6
    [2816294.182083] sd 91:0:0:0: Attached scsi generic sg2 type 0
    [2816294.182858] ses 91:0:0:1: Attached Enclosure device
    [2816302.717726] sd 91:0:0:0: [sdb] 1953458176 512-byte logical blocks: (1.00 TB/931 GiB)
    [2816302.718711] sd 91:0:0:0: [sdb] Write Protect is off
    [2816302.718716] sd 91:0:0:0: [sdb] Mode Sense: 47 00 10 08
    [2816302.719585] sd 91:0:0:0: [sdb] No Caching mode page present
    [2816302.719591] sd 91:0:0:0: [sdb] Assuming drive cache: write through
    [2816302.723949] sd 91:0:0:0: [sdb] No Caching mode page present
    [2816302.723956] sd 91:0:0:0: [sdb] Assuming drive cache: write through
    [2816302.730773]  sdb: sdb1
    [2816302.734944] sd 91:0:0:0: [sdb] No Caching mode page present
    [2816302.734948] sd 91:0:0:0: [sdb] Assuming drive cache: write through
    [2816302.734952] sd 91:0:0:0: [sdb] Attached SCSI disk
    [2816302.736220] ses 91:0:0:1: Attached scsi generic sg3 type 13
    [2817200.985913] usb 8-1: USB disconnect, device number 64
    [2817201.221663] Buffer I/O error on device sdb1, logical block 59577315
    [2817201.221676] Buffer I/O error on device sdb1, logical block 59577316
    [2817201.221684] Buffer I/O error on device sdb1, logical block 59577317
    [2817201.221690] Buffer I/O error on device sdb1, logical block 59577318
    [2817201.221698] Buffer I/O error on device sdb1, logical block 59577319
    [2817201.221704] Buffer I/O error on device sdb1, logical block 59577320
    [2817201.221711] Buffer I/O error on device sdb1, logical block 59577321
    [2817201.221718] Buffer I/O error on device sdb1, logical block 59577322
    [2817201.221725] Buffer I/O error on device sdb1, logical block 59577323
    [2817201.221732] Buffer I/O error on device sdb1, logical block 59577324
    [2817201.276068] usb 8-1: new high-speed USB device number 65 using ehci_hcd
    [2817201.973331] usb 8-1: New USB device found, idVendor=1058, idProduct=1130
    [2817201.973337] usb 8-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    [2817201.973342] usb 8-1: Product: My Book 1130
    [2817201.973345] usb 8-1: Manufacturer: Western Digital
    [2817201.973349] usb 8-1: SerialNumber: 57434156354B303934393230
    [2817201.974466] scsi92 : usb-storage 8-1:1.0
    [2817202.973441] scsi 92:0:0:0: Direct-Access     WD       My Book 1130     1012 PQ: 0 ANSI: 6
    [2817202.975255] scsi 92:0:0:1: Enclosure         WD       SES Device       1012 PQ: 0 ANSI: 6
    [2817202.976870] sd 92:0:0:0: Attached scsi generic sg2 type 0
    [2817202.977109] ses 92:0:0:1: Attached Enclosure device
    [2817202.978886] sd 92:0:0:0: [sdc] 1953458176 512-byte logical blocks: (1.00 TB/931 GiB)
    [2817202.979753] sd 92:0:0:0: [sdc] Write Protect is off
    [2817202.979759] sd 92:0:0:0: [sdc] Mode Sense: 47 00 10 08
    [2817202.981185] sd 92:0:0:0: [sdc] No Caching mode page present
    [2817202.981190] sd 92:0:0:0: [sdc] Assuming drive cache: write through
    [2817202.984883] sd 92:0:0:0: [sdc] No Caching mode page present
    [2817202.984887] sd 92:0:0:0: [sdc] Assuming drive cache: write through
    [2817206.637356]  sdc: sdc1
    [2817206.642294] sd 92:0:0:0: [sdc] No Caching mode page present
    [2817206.642298] sd 92:0:0:0: [sdc] Assuming drive cache: write through
    [2817206.642301] sd 92:0:0:0: [sdc] Attached SCSI disk
    [2817206.644262] ses 92:0:0:1: Attached scsi generic sg3 type 13
    [2818304.433004] usb 8-1: USB disconnect, device number 65
    [2818304.596037] quiet_error: 68 callbacks suppressed
    [2818304.596042] Buffer I/O error on device sdc1, logical block 59620690
    [2818304.596049] Buffer I/O error on device sdc1, logical block 59620691
    [2818304.596053] Buffer I/O error on device sdc1, logical block 59620692
    [2818304.596057] Buffer I/O error on device sdc1, logical block 59620693
    [2818304.596061] Buffer I/O error on device sdc1, logical block 59620694
    [2818304.596065] Buffer I/O error on device sdc1, logical block 59620695
    [2818304.596069] Buffer I/O error on device sdc1, logical block 59620696
    [2818304.596073] Buffer I/O error on device sdc1, logical block 59620697
    [2818304.596077] Buffer I/O error on device sdc1, logical block 59620698
    [2818304.596081] Buffer I/O error on device sdc1, logical block 59620699
    [2818304.744078] usb 8-1: new high-speed USB device number 66 using ehci_hcd
    [2818305.080428] hub 8-0:1.0: unable to enumerate USB device on port 1
    [2818305.324072] usb 8-1: new high-speed USB device number 67 using ehci_hcd
    [2818306.233568] usb 8-1: New USB device found, idVendor=1058, idProduct=1130
    [2818306.233572] usb 8-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    [2818306.233575] usb 8-1: Product: My Book 1130
    [2818306.233577] usb 8-1: Manufacturer: Western Digital
    [2818306.233579] usb 8-1: SerialNumber: 57434156354B303934393230
    [2818306.234263] scsi93 : usb-storage 8-1:1.0
    [2818307.233305] scsi 93:0:0:0: Direct-Access     WD       My Book 1130     1012 PQ: 0 ANSI: 6
    [2818307.234159] scsi 93:0:0:1: Enclosure         WD       SES Device       1012 PQ: 0 ANSI: 6
    [2818307.235604] sd 93:0:0:0: Attached scsi generic sg2 type 0
    [2818307.236747] sd 93:0:0:0: [sdb] 1953458176 512-byte logical blocks: (1.00 TB/931 GiB)
    [2818307.236926] ses 93:0:0:1: Attached Enclosure device
    [2818307.237386] sd 93:0:0:0: [sdb] Write Protect is off
    [2818307.237392] sd 93:0:0:0: [sdb] Mode Sense: 47 00 10 08
    [2818307.238378] sd 93:0:0:0: [sdb] No Caching mode page present
    [2818307.238383] sd 93:0:0:0: [sdb] Assuming drive cache: write through
    [2818307.243885] sd 93:0:0:0: [sdb] No Caching mode page present
    [2818307.243891] sd 93:0:0:0: [sdb] Assuming drive cache: write through
    [2818311.817755]  sdb: sdb1
    [2818311.821954] sd 93:0:0:0: [sdb] No Caching mode page present
    [2818311.821959] sd 93:0:0:0: [sdb] Assuming drive cache: write through
    [2818311.821962] sd 93:0:0:0: [sdb] Attached SCSI disk
    [2818311.826675] ses 93:0:0:1: Attached scsi generic sg3 type 13
    [2818432.655257] usb 8-1: USB disconnect, device number 67
    [2818432.904045] usb 8-1: new high-speed USB device number 68 using ehci_hcd
    [2818433.605874] usb 8-1: New USB device found, idVendor=1058, idProduct=1130
    [2818433.605881] usb 8-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    [2818433.605885] usb 8-1: Product: My Book 1130
    [2818433.605889] usb 8-1: Manufacturer: Western Digital
    [2818433.605892] usb 8-1: SerialNumber: 57434156354B303934393230
    [2818433.606739] scsi94 : usb-storage 8-1:1.0
    [2818434.605196] scsi 94:0:0:0: Direct-Access     WD       My Book 1130     1012 PQ: 0 ANSI: 6
    [2818434.605950] scsi 94:0:0:1: Enclosure         WD       SES Device       1012 PQ: 0 ANSI: 6
    [2818434.608882] sd 94:0:0:0: Attached scsi generic sg2 type 0
    [2818434.609418] sd 94:0:0:0: [sdc] 1953458176 512-byte logical blocks: (1.00 TB/931 GiB)
    [2818434.609800] ses 94:0:0:1: Attached Enclosure device
    [2818434.609912] sd 94:0:0:0: [sdc] Write Protect is off
    [2818434.609918] sd 94:0:0:0: [sdc] Mode Sense: 47 00 10 08
    [2818434.610916] sd 94:0:0:0: [sdc] No Caching mode page present
    [2818434.610922] sd 94:0:0:0: [sdc] Assuming drive cache: write through
    [2818434.617337] sd 94:0:0:0: [sdc] No Caching mode page present
    [2818434.617344] sd 94:0:0:0: [sdc] Assuming drive cache: write through
    [2818435.325183] quiet_error: 69 callbacks suppressed
    [2818435.325187] Buffer I/O error on device sdb1, logical block 59623204
    [2818435.325195] Buffer I/O error on device sdb1, logical block 59623205
    [2818435.325199] Buffer I/O error on device sdb1, logical block 59623206
    [2818435.325203] Buffer I/O error on device sdb1, logical block 59623207
    [2818435.325208] Buffer I/O error on device sdb1, logical block 59623208
    [2818435.325212] Buffer I/O error on device sdb1, logical block 59623209
    [2818435.325216] Buffer I/O error on device sdb1, logical block 59623210
    [2818435.325220] Buffer I/O error on device sdb1, logical block 59623211
    [2818435.325224] Buffer I/O error on device sdb1, logical block 59623212
    [2818435.325228] Buffer I/O error on device sdb1, logical block 59623213
    [2818438.025475]  sdc: sdc1
    [2818438.029689] sd 94:0:0:0: [sdc] No Caching mode page present
    [2818438.029694] sd 94:0:0:0: [sdc] Assuming drive cache: write through
    [2818438.029697] sd 94:0:0:0: [sdc] Attached SCSI disk
    [2818438.034151] ses 94:0:0:1: Attached scsi generic sg3 type 13
    [2818892.427316] usb 8-1: USB disconnect, device number 68
    [2818892.716059] usb 8-1: new high-speed USB device number 69 using ehci_hcd
    [2818893.417346] usb 8-1: New USB device found, idVendor=1058, idProduct=1130
    [2818893.417352] usb 8-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    [2818893.417357] usb 8-1: Product: My Book 1130
    [2818893.417361] usb 8-1: Manufacturer: Western Digital
    [2818893.417364] usb 8-1: SerialNumber: 57434156354B303934393230
    [2818893.418802] scsi95 : usb-storage 8-1:1.0
    [2818894.419690] scsi 95:0:0:0: Direct-Access     WD       My Book 1130     1012 PQ: 0 ANSI: 6
    [2818894.420430] scsi 95:0:0:1: Enclosure         WD       SES Device       1012 PQ: 0 ANSI: 6
    [2818894.421830] sd 95:0:0:0: Attached scsi generic sg2 type 0
    [2818894.422769] ses 95:0:0:1: Attached Enclosure device
    [2818894.423037] sd 95:0:0:0: [sdb] 1953458176 512-byte logical blocks: (1.00 TB/931 GiB)
    [2818894.424133] sd 95:0:0:0: [sdb] Write Protect is off
    [2818894.424140] sd 95:0:0:0: [sdb] Mode Sense: 47 00 10 08
    [2818894.425042] sd 95:0:0:0: [sdb] No Caching mode page present
    [2818894.425048] sd 95:0:0:0: [sdb] Assuming drive cache: write through
    [2818894.431036] sd 95:0:0:0: [sdb] No Caching mode page present
    [2818894.431043] sd 95:0:0:0: [sdb] Assuming drive cache: write through
    [2818898.002865]  sdb: sdb1
    [2818898.007311] sd 95:0:0:0: [sdb] No Caching mode page present
    [2818898.007315] sd 95:0:0:0: [sdb] Assuming drive cache: write through
    [2818898.007319] sd 95:0:0:0: [sdb] Attached SCSI disk
    [2818898.011395] ses 95:0:0:1: Attached scsi generic sg3 type 13
    [2819633.881554] usb 8-1: USB disconnect, device number 69
    [2819633.892067] sd 95:0:0:0: [sdb] Unhandled error code
    [2819633.892073] sd 95:0:0:0: [sdb]  Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
    [2819633.892080] sd 95:0:0:0: [sdb] CDB: Read(10): 28 00 23 f8 8e 30 00 00 f0 00
    [2819633.892095] end_request: I/O error, dev sdb, sector 603491888
    [2819633.892102] quiet_error: 46 callbacks suppressed
    [2819633.892107] Buffer I/O error on device sdb1, logical block 75436230
    [2819633.892114] Buffer I/O error on device sdb1, logical block 75436231
    [2819633.892119] Buffer I/O error on device sdb1, logical block 75436232
    [2819633.892124] Buffer I/O error on device sdb1, logical block 75436233
    [2819633.892129] Buffer I/O error on device sdb1, logical block 75436234
    [2819633.892134] Buffer I/O error on device sdb1, logical block 75436235
    [2819633.892140] Buffer I/O error on device sdb1, logical block 75436236
    [2819633.892145] Buffer I/O error on device sdb1, logical block 75436237
    [2819633.892150] Buffer I/O error on device sdb1, logical block 75436238
    [2819633.892155] Buffer I/O error on device sdb1, logical block 75436239
    [2819633.892199] sd 95:0:0:0: [sdb] Unhandled error code
    [2819633.892202] sd 95:0:0:0: [sdb]  Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
    [2819633.892209] sd 95:0:0:0: [sdb] CDB: Read(10): 28 00 23 f8 8f 20 00 00 10 00
    [2819633.892222] end_request: I/O error, dev sdb, sector 603492128
    [2819634.152069] usb 8-1: new high-speed USB device number 70 using ehci_hcd
    [2819634.853199] usb 8-1: New USB device found, idVendor=1058, idProduct=1130
    [2819634.853206] usb 8-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    [2819634.853211] usb 8-1: Product: My Book 1130
    [2819634.853214] usb 8-1: Manufacturer: Western Digital
    [2819634.853218] usb 8-1: SerialNumber: 57434156354B303934393230
    [2819634.854299] scsi96 : usb-storage 8-1:1.0
    [2819635.854146] scsi 96:0:0:0: Direct-Access     WD       My Book 1130     1012 PQ: 0 ANSI: 6
    [2819635.854890] scsi 96:0:0:1: Enclosure         WD       SES Device       1012 PQ: 0 ANSI: 6
    [2819635.857149] sd 96:0:0:0: Attached scsi generic sg2 type 0
    [2819635.857318] ses 96:0:0:1: Attached Enclosure device
    [2819635.857625] sd 96:0:0:0: [sdc] 1953458176 512-byte logical blocks: (1.00 TB/931 GiB)
    [2819635.858625] sd 96:0:0:0: [sdc] Write Protect is off
    [2819635.858631] sd 96:0:0:0: [sdc] Mode Sense: 47 00 10 08
    [2819635.859496] sd 96:0:0:0: [sdc] No Caching mode page present
    [2819635.859503] sd 96:0:0:0: [sdc] Assuming drive cache: write through
    [2819635.864829] sd 96:0:0:0: [sdc] No Caching mode page present
    [2819635.864836] sd 96:0:0:0: [sdc] Assuming drive cache: write through
    [2819636.098048]  sdc: sdc1
    [2819636.102249] sd 96:0:0:0: [sdc] No Caching mode page present
    [2819636.102254] sd 96:0:0:0: [sdc] Assuming drive cache: write through
    [2819636.102257] sd 96:0:0:0: [sdc] Attached SCSI disk
    [2819636.106709] ses 96:0:0:1: Attached scsi generic sg3 type 13
    [2819806.046236] usb 8-1: USB disconnect, device number 70
    [2819806.324167] usb 8-1: new high-speed USB device number 71 using ehci_hcd
    [2819806.580830] quiet_error: 103 callbacks suppressed
    [2819806.580837] Buffer I/O error on device sdc1, logical block 75439684
    [2819806.580849] Buffer I/O error on device sdc1, logical block 75439685
    [2819806.580856] Buffer I/O error on device sdc1, logical block 75439686
    [2819806.580865] Buffer I/O error on device sdc1, logical block 75439687
    [2819806.580871] Buffer I/O error on device sdc1, logical block 75439688
    [2819806.580878] Buffer I/O error on device sdc1, logical block 75439689
    [2819806.580885] Buffer I/O error on device sdc1, logical block 75439690
    [2819806.580892] Buffer I/O error on device sdc1, logical block 75439691
    [2819806.580898] Buffer I/O error on device sdc1, logical block 75439692
    [2819806.580908] Buffer I/O error on device sdc1, logical block 75439693
    [2819807.021979] usb 8-1: New USB device found, idVendor=1058, idProduct=1130
    [2819807.021986] usb 8-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    [2819807.021990] usb 8-1: Product: My Book 1130
    [2819807.021994] usb 8-1: Manufacturer: Western Digital
    [2819807.021997] usb 8-1: SerialNumber: 57434156354B303934393230
    [2819807.023303] scsi97 : usb-storage 8-1:1.0
    [2819808.021301] scsi 97:0:0:0: Direct-Access     WD       My Book 1130     1012 PQ: 0 ANSI: 6
    [2819808.022737] scsi 97:0:0:1: Enclosure         WD       SES Device       1012 PQ: 0 ANSI: 6
    [2819808.023679] sd 97:0:0:0: Attached scsi generic sg2 type 0
    [2819808.023865] ses 97:0:0:1: Attached Enclosure device
    [2819808.028053] sd 97:0:0:0: [sdb] 1953458176 512-byte logical blocks: (1.00 TB/931 GiB)
    [2819808.029021] sd 97:0:0:0: [sdb] Write Protect is off
    [2819808.029025] sd 97:0:0:0: [sdb] Mode Sense: 47 00 10 08
    [2819808.029896] sd 97:0:0:0: [sdb] No Caching mode page present
    [2819808.029900] sd 97:0:0:0: [sdb] Assuming drive cache: write through
    [2819808.034400] sd 97:0:0:0: [sdb] No Caching mode page present
    [2819808.034405] sd 97:0:0:0: [sdb] Assuming drive cache: write through
    [2819810.370928]  sdb: sdb1
    [2819810.375134] sd 97:0:0:0: [sdb] No Caching mode page present
    [2819810.375140] sd 97:0:0:0: [sdb] Assuming drive cache: write through
    [2819810.375143] sd 97:0:0:0: [sdb] Attached SCSI disk
    [2819810.379485] ses 97:0:0:1: Attached scsi generic sg3 type 13
    [2819821.376260] usb 8-1: USB disconnect, device number 71
    [2819821.624180] usb 8-1: new high-speed USB device number 72 using ehci_hcd
    [2819822.326186] usb 8-1: New USB device found, idVendor=1058, idProduct=1130
    [2819822.326193] usb 8-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    [2819822.326198] usb 8-1: Product: My Book 1130
    [2819822.326202] usb 8-1: Manufacturer: Western Digital
    [2819822.326205] usb 8-1: SerialNumber: 57434156354B303934393230
    [2819822.326700] scsi98 : usb-storage 8-1:1.0
    [2819823.325124] scsi 98:0:0:0: Direct-Access     WD       My Book 1130     1012 PQ: 0 ANSI: 6
    [2819823.325882] scsi 98:0:0:1: Enclosure         WD       SES Device       1012 PQ: 0 ANSI: 6
    [2819823.328346] sd 98:0:0:0: Attached scsi generic sg2 type 0
    [2819823.329242] sd 98:0:0:0: [sdb] 1953458176 512-byte logical blocks: (1.00 TB/931 GiB)
    [2819823.329285] ses 98:0:0:1: Attached Enclosure device
    [2819823.329728] sd 98:0:0:0: [sdb] Write Protect is off
    [2819823.329734] sd 98:0:0:0: [sdb] Mode Sense: 47 00 10 08
    [2819823.331584] sd 98:0:0:0: [sdb] No Caching mode page present
    [2819823.331591] sd 98:0:0:0: [sdb] Assuming drive cache: write through
    [2819823.335976] sd 98:0:0:0: [sdb] No Caching mode page present
    [2819823.335983] sd 98:0:0:0: [sdb] Assuming drive cache: write through
    [2819826.770420]  sdb: sdb1
    [2819826.774621] sd 98:0:0:0: [sdb] No Caching mode page present
    [2819826.774626] sd 98:0:0:0: [sdb] Assuming drive cache: write through
    [2819826.774629] sd 98:0:0:0: [sdb] Attached SCSI disk
    [2819826.779582] ses 98:0:0:1: Attached scsi generic sg3 type 13
    [2819832.759204] usb 8-1: USB disconnect, device number 72
    [2819833.008061] usb 8-1: new high-speed USB device number 73 using ehci_hcd
    [2819833.706154] usb 8-1: New USB device found, idVendor=1058, idProduct=1130
    [2819833.706162] usb 8-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    [2819833.706167] usb 8-1: Product: My Book 1130
    [2819833.706170] usb 8-1: Manufacturer: Western Digital
    [2819833.706174] usb 8-1: SerialNumber: 57434156354B303934393230
    [2819833.706810] scsi99 : usb-storage 8-1:1.0
    [2819834.705765] scsi 99:0:0:0: Direct-Access     WD       My Book 1130     1012 PQ: 0 ANSI: 6
    [2819834.706763] scsi 99:0:0:1: Enclosure         WD       SES Device       1012 PQ: 0 ANSI: 6
    [2819834.709156] sd 99:0:0:0: [sdb] 1953458176 512-byte logical blocks: (1.00 TB/931 GiB)
    [2819834.709220] sd 99:0:0:0: Attached scsi generic sg2 type 0
    [2819834.709609] sd 99:0:0:0: [sdb] Write Protect is off
    [2819834.709615] sd 99:0:0:0: [sdb] Mode Sense: 47 00 10 08
    [2819834.710099] ses 99:0:0:1: Attached Enclosure device
    [2819834.710140] sd 99:0:0:0: [sdb] No Caching mode page present
    [2819834.710147] sd 99:0:0:0: [sdb] Assuming drive cache: write through
    [2819834.715493] sd 99:0:0:0: [sdb] No Caching mode page present
    [2819834.715500] sd 99:0:0:0: [sdb] Assuming drive cache: write through
    [2819838.049799]  sdb: sdb1
    [2819838.054007] sd 99:0:0:0: [sdb] No Caching mode page present
    [2819838.054012] sd 99:0:0:0: [sdb] Assuming drive cache: write through
    [2819838.054016] sd 99:0:0:0: [sdb] Attached SCSI disk
    [2819838.058743] ses 99:0:0:1: Attached scsi generic sg3 type 13
    [2819839.027209] usb 8-1: USB disconnect, device number 73
    [2819839.034903] scsi 99:0:0:0: [sdb] killing request
    [2819839.034910] scsi 99:0:0:0: [sdb] killing request
    [2819839.035071] scsi 99:0:0:0: [sdb] Unhandled error code
    [2819839.035074] scsi 99:0:0:0: [sdb]  Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
    [2819839.035078] scsi 99:0:0:0: [sdb] CDB: Read(10): 28 00 00 5f 9c 10 00 00 f0 00
    [2819839.035086] end_request: I/O error, dev sdb, sector 6265872
    [2819839.035090] quiet_error: 70 callbacks suppressed
    [2819839.035093] Buffer I/O error on device sdb1, logical block 6263824
    [2819839.035096] Buffer I/O error on device sdb1, logical block 6263825
    [2819839.035099] Buffer I/O error on device sdb1, logical block 6263826
    [2819839.035102] Buffer I/O error on device sdb1, logical block 6263827
    [2819839.035104] Buffer I/O error on device sdb1, logical block 6263828
    [2819839.035107] Buffer I/O error on device sdb1, logical block 6263829
    [2819839.035110] Buffer I/O error on device sdb1, logical block 6263830
    [2819839.035113] Buffer I/O error on device sdb1, logical block 6263831
    [2819839.035117] Buffer I/O error on device sdb1, logical block 6263832
    [2819839.035119] Buffer I/O error on device sdb1, logical block 6263833
    [2819839.035212] scsi 99:0:0:0: [sdb] Unhandled error code
    [2819839.035215] scsi 99:0:0:0: [sdb]  Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
    [2819839.035218] scsi 99:0:0:0: [sdb] CDB: Read(10): 28 00 00 5f 9d 00 00 00 10 00
    [2819839.035226] end_request: I/O error, dev sdb, sector 6266112
    [2819839.292164] usb 8-1: new high-speed USB device number 74 using ehci_hcd
    [2819839.400321] hub 8-0:1.0: unable to enumerate USB device on port 1
    Dokážete z toho poznat, jestli je to chyba hdd nebo nějaká softwarová chyba? Předem díky za odpovědi.

    Řešení dotazu:


    Odpovědi

    10.9.2012 18:10 ewew | skóre: 40 | blog: ewewov_blog
    Rozbalit Rozbalit vše Re: Samovolné odpojování USB externího disku

    Skontroluj disk pomocou príkazu smartctl -x /dev/sdb . Ak to nie je prítomne tak nainštaluj balík smartmontools ak máš debian.

    Ako ďalší postup je použiť príkaz badblocks -v /dev/sdb a výsledok daj sem.

    Druhá operácia môže trvať dlhší čas.

    Root v linuxe : "Root povedal, linux vykona."
    10.9.2012 18:36 Martin
    Rozbalit Rozbalit vše Re: Samovolné odpojování USB externího disku
    Tady je zatím výpis z smartctl -x /dev/sdb
    smartctl 5.41 2011-06-09 r3365 [i686-linux-3.2.0-2-686-pae] (local build)
    Copyright (C) 2002-11 by Bruce Allen, http://smartmontools.sourceforge.net
    
    === START OF INFORMATION SECTION ===
    Model Family:     Western Digital Caviar Green
    Device Model:     WDC WD10EADS-114BB1
    Serial Number:    WD-WCAV5K094920
    LU WWN Device Id: 5 0014ee 20530b140
    Firmware Version: 80.00A80
    User Capacity:    1 000 204 886 016 bytes [1,00 TB]
    Sector Sizes:     512 bytes logical, 4096 bytes physical
    Device is:        In smartctl database [for details use: -P show]
    ATA Version is:   8
    ATA Standard is:  Exact ATA specification draft version not indicated
    Local Time is:    Mon Sep 10 18:14:34 2012 CEST
    SMART support is: Available - device has SMART capability.
    SMART support is: Enabled
    
    === START OF READ SMART DATA SECTION ===
    SMART overall-health self-assessment test result: PASSED
    Warning: This result is based on an Attribute check.
    
    General SMART Values:
    Offline data collection status:  (0x84)	Offline data collection activity
    					was suspended by an interrupting command from host.
    					Auto Offline Data Collection: Enabled.
    Self-test execution status:      (   0)	The previous self-test routine completed
    					without error or no self-test has ever 
    					been run.
    Total time to complete Offline 
    data collection: 		(21480) seconds.
    Offline data collection
    capabilities: 			 (0x7b) SMART execute Offline immediate.
    					Auto Offline data collection on/off support.
    					Suspend Offline collection upon new
    					command.
    					Offline surface scan supported.
    					Self-test supported.
    					Conveyance Self-test supported.
    					Selective Self-test supported.
    SMART capabilities:            (0x0003)	Saves SMART data before entering
    					power-saving mode.
    					Supports SMART auto save timer.
    Error logging capability:        (0x01)	Error logging supported.
    					General Purpose Logging supported.
    Short self-test routine 
    recommended polling time: 	 (   2) minutes.
    Extended self-test routine
    recommended polling time: 	 ( 209) minutes.
    Conveyance self-test routine
    recommended polling time: 	 (   5) minutes.
    SCT capabilities: 	       (0x3035)	SCT Status supported.
    					SCT Feature Control supported.
    					SCT Data Table supported.
    
    SMART Attributes Data Structure revision number: 16
    Vendor Specific SMART Attributes with Thresholds:
    ID# ATTRIBUTE_NAME          FLAGS    VALUE WORST THRESH FAIL RAW_VALUE
      1 Raw_Read_Error_Rate     POSR-K   200   200   051    -    0
      3 Spin_Up_Time            POS--K   196   135   021    -    3191
      4 Start_Stop_Count        -O--CK   099   099   000    -    1314
      5 Reallocated_Sector_Ct   PO--CK   200   200   140    -    0
      7 Seek_Error_Rate         -OSR-K   200   200   000    -    0
      9 Power_On_Hours          -O--CK   099   099   000    -    844
     10 Spin_Retry_Count        -O--CK   100   100   000    -    0
     11 Calibration_Retry_Count -O--CK   100   100   000    -    0
     12 Power_Cycle_Count       -O--CK   099   099   000    -    1269
    192 Power-Off_Retract_Count -O--CK   200   200   000    -    103
    193 Load_Cycle_Count        -O--CK   199   199   000    -    5567
    194 Temperature_Celsius     -O---K   107   096   000    -    40
    196 Reallocated_Event_Count -O--CK   200   200   000    -    0
    197 Current_Pending_Sector  -O--CK   200   200   000    -    0
    198 Offline_Uncorrectable   ----CK   200   200   000    -    0
    199 UDMA_CRC_Error_Count    -O--CK   200   200   000    -    0
    200 Multi_Zone_Error_Rate   ---R--   200   200   000    -    0
                                ||||||_ K auto-keep
                                |||||__ C event count
                                ||||___ R error rate
                                |||____ S speed/performance
                                ||_____ O updated online
                                |______ P prefailure warning
    
    General Purpose Log Directory Version 1
    SMART           Log Directory Version 1 [multi-sector log support]
    GP/S  Log at address 0x00 has    1 sectors [Log Directory]
    SMART Log at address 0x01 has    1 sectors [Summary SMART error log]
    SMART Log at address 0x02 has    5 sectors [Comprehensive SMART error log]
    GP    Log at address 0x03 has    6 sectors [Ext. Comprehensive SMART error log]
    SMART Log at address 0x06 has    1 sectors [SMART self-test log]
    GP    Log at address 0x07 has    1 sectors [Extended self-test log]
    SMART Log at address 0x09 has    1 sectors [Selective self-test log]
    GP    Log at address 0x10 has    1 sectors [NCQ Command Error]
    GP    Log at address 0x11 has    1 sectors [SATA Phy Event Counters]
    GP/S  Log at address 0x80 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x81 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x82 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x83 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x84 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x85 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x86 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x87 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x88 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x89 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x8a has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x8b has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x8c has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x8d has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x8e has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x8f has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x90 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x91 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x92 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x93 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x94 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x95 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x96 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x97 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x98 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x99 has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x9a has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x9b has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x9c has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x9d has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x9e has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0x9f has   16 sectors [Host vendor specific log]
    GP/S  Log at address 0xa0 has   16 sectors [Device vendor specific log]
    GP/S  Log at address 0xa1 has   16 sectors [Device vendor specific log]
    GP/S  Log at address 0xa2 has   16 sectors [Device vendor specific log]
    GP/S  Log at address 0xa3 has   16 sectors [Device vendor specific log]
    GP/S  Log at address 0xa4 has   16 sectors [Device vendor specific log]
    GP/S  Log at address 0xa5 has   16 sectors [Device vendor specific log]
    GP/S  Log at address 0xa6 has   16 sectors [Device vendor specific log]
    GP/S  Log at address 0xa7 has   16 sectors [Device vendor specific log]
    GP/S  Log at address 0xa8 has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xa9 has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xaa has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xab has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xac has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xad has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xae has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xaf has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xb0 has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xb1 has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xb2 has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xb3 has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xb4 has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xb5 has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xb6 has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xb7 has    1 sectors [Device vendor specific log]
    GP/S  Log at address 0xc0 has    1 sectors [Device vendor specific log]
    GP    Log at address 0xc1 has   93 sectors [Device vendor specific log]
    GP/S  Log at address 0xe0 has    1 sectors [SCT Command/Status]
    GP/S  Log at address 0xe1 has    1 sectors [SCT Data Transfer]
    
    SMART Extended Comprehensive Error Log Version: 1 (6 sectors)
    No Errors Logged
    
    SMART Extended Self-test Log Version: 1 (1 sectors)
    Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
    # 1  Short offline       Aborted by host               90%         1         -
    
    SMART Selective self-test log data structure revision number 1
     SPAN  MIN_LBA  MAX_LBA  CURRENT_TEST_STATUS
        1        0        0  Not_testing
        2        0        0  Not_testing
        3        0        0  Not_testing
        4        0        0  Not_testing
        5        0        0  Not_testing
    Selective self-test flags (0x0):
      After scanning selected spans, do NOT read-scan remainder of disk.
    If Selective self-test is pending on power-up, resume after 0 minute delay.
    
    SCT Status Version:                  3
    SCT Version (vendor specific):       258 (0x0102)
    SCT Support Level:                   1
    Device State:                        Active (0)
    Current Temperature:                    40 Celsius
    Power Cycle Min/Max Temperature:     36/40 Celsius
    Lifetime    Min/Max Temperature:     19/51 Celsius
    Under/Over Temperature Limit Count:   0/0
    SCT Temperature History Version:     2
    Temperature Sampling Period:         1 minute
    Temperature Logging Interval:        1 minute
    Min/Max recommended Temperature:      0/60 Celsius
    Min/Max Temperature Limit:           -41/85 Celsius
    Temperature History Size (Index):    478 (226)
    
    Index    Estimated Time   Temperature Celsius
     227    2012-09-10 10:17    35  ****************
     ...    ..( 25 skipped).    ..  ****************
     253    2012-09-10 10:43    35  ****************
     254    2012-09-10 10:44    36  *****************
     ...    ..( 26 skipped).    ..  *****************
     281    2012-09-10 11:11    36  *****************
     282    2012-09-10 11:12    37  ******************
     ...    ..(  6 skipped).    ..  ******************
     289    2012-09-10 11:19    37  ******************
     290    2012-09-10 11:20    38  *******************
     291    2012-09-10 11:21    38  *******************
     292    2012-09-10 11:22    39  ********************
     293    2012-09-10 11:23    38  *******************
     ...    ..(  6 skipped).    ..  *******************
     300    2012-09-10 11:30    38  *******************
     301    2012-09-10 11:31    37  ******************
     ...    ..( 21 skipped).    ..  ******************
     323    2012-09-10 11:53    37  ******************
     324    2012-09-10 11:54    38  *******************
     ...    ..(  6 skipped).    ..  *******************
     331    2012-09-10 12:01    38  *******************
     332    2012-09-10 12:02    39  ********************
     333    2012-09-10 12:03    38  *******************
     ...    ..( 12 skipped).    ..  *******************
     346    2012-09-10 12:16    38  *******************
     347    2012-09-10 12:17    37  ******************
     ...    ..( 12 skipped).    ..  ******************
     360    2012-09-10 12:30    37  ******************
     361    2012-09-10 12:31     ?  -
     362    2012-09-10 12:32    22  ***
     ...    ..(  5 skipped).    ..  ***
     368    2012-09-10 12:38    22  ***
     369    2012-09-10 12:39    23  ****
     370    2012-09-10 12:40    23  ****
     371    2012-09-10 12:41    24  *****
     372    2012-09-10 12:42    24  *****
     373    2012-09-10 12:43    24  *****
     374    2012-09-10 12:44    25  ******
     ...    ..(  3 skipped).    ..  ******
     378    2012-09-10 12:48    25  ******
     379    2012-09-10 12:49    26  *******
     ...    ..(  5 skipped).    ..  *******
     385    2012-09-10 12:55    26  *******
     386    2012-09-10 12:56    27  ********
     387    2012-09-10 12:57    27  ********
     388    2012-09-10 12:58    27  ********
     389    2012-09-10 12:59    28  *********
     ...    ..(  2 skipped).    ..  *********
     392    2012-09-10 13:02    28  *********
     393    2012-09-10 13:03     ?  -
     394    2012-09-10 13:04    21  **
     ...    ..(  4 skipped).    ..  **
     399    2012-09-10 13:09    21  **
     400    2012-09-10 13:10    22  ***
     ...    ..(  2 skipped).    ..  ***
     403    2012-09-10 13:13    22  ***
     404    2012-09-10 13:14    23  ****
     405    2012-09-10 13:15    23  ****
     406    2012-09-10 13:16    24  *****
     407    2012-09-10 13:17    24  *****
     408    2012-09-10 13:18    24  *****
     409    2012-09-10 13:19    25  ******
     ...    ..(  4 skipped).    ..  ******
     414    2012-09-10 13:24    25  ******
     415    2012-09-10 13:25    26  *******
     ...    ..(  4 skipped).    ..  *******
     420    2012-09-10 13:30    26  *******
     421    2012-09-10 13:31    27  ********
     ...    ..(  2 skipped).    ..  ********
     424    2012-09-10 13:34    27  ********
     425    2012-09-10 13:35     ?  -
     426    2012-09-10 13:36    26  *******
     ...    ..(  6 skipped).    ..  *******
     433    2012-09-10 13:43    26  *******
     434    2012-09-10 13:44    27  ********
     435    2012-09-10 13:45    27  ********
     436    2012-09-10 13:46    27  ********
     437    2012-09-10 13:47    28  *********
     ...    ..(  2 skipped).    ..  *********
     440    2012-09-10 13:50    28  *********
     441    2012-09-10 13:51    29  **********
     ...    ..(  2 skipped).    ..  **********
     444    2012-09-10 13:54    29  **********
     445    2012-09-10 13:55    30  ***********
     ...    ..( 11 skipped).    ..  ***********
     457    2012-09-10 14:07    30  ***********
     458    2012-09-10 14:08    31  ************
     ...    ..(  7 skipped).    ..  ************
     466    2012-09-10 14:16    31  ************
     467    2012-09-10 14:17    32  *************
     ...    ..(  6 skipped).    ..  *************
     474    2012-09-10 14:24    32  *************
     475    2012-09-10 14:25     ?  -
     476    2012-09-10 14:26    22  ***
     ...    ..(  3 skipped).    ..  ***
       2    2012-09-10 14:30    22  ***
       3    2012-09-10 14:31    23  ****
       4    2012-09-10 14:32    23  ****
       5    2012-09-10 14:33    24  *****
       6    2012-09-10 14:34    24  *****
       7    2012-09-10 14:35    25  ******
     ...    ..(  3 skipped).    ..  ******
      11    2012-09-10 14:39    25  ******
      12    2012-09-10 14:40    26  *******
     ...    ..(  4 skipped).    ..  *******
      17    2012-09-10 14:45    26  *******
      18    2012-09-10 14:46    27  ********
      19    2012-09-10 14:47    27  ********
      20    2012-09-10 14:48    27  ********
      21    2012-09-10 14:49    28  *********
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    Warning: device does not support SCT Error Recovery Control command
    SATA Phy Event Counters (GP Log 0x11)
    ID      Size     Value  Description
    0x0001  2            0  Command failed due to ICRC error
    0x0002  2            0  R_ERR response for data FIS
    0x0003  2            0  R_ERR response for device-to-host data FIS
    0x0004  2            0  R_ERR response for host-to-device data FIS
    0x0005  2            0  R_ERR response for non-data FIS
    0x0006  2            0  R_ERR response for device-to-host non-data FIS
    0x0007  2            0  R_ERR response for host-to-device non-data FIS
    0x000a  2            1  Device-to-host register FISes sent due to a COMRESET
    0x000b  2            0  CRC errors within host-to-device FIS
    0x8000  4         1431  Vendor specific
    
    Výpis z badblocks -v /dev/sdb dodám hned, co se test dodělá.
    10.9.2012 18:51 ewew | skóre: 40 | blog: ewewov_blog
    Rozbalit Rozbalit vše Re: Samovolné odpojování USB externího disku

    Podľa výpisu s.m.a.r.t by mal byť disk v dobrom stave. badblocks je test jednotlivých sektorov disku. Potom pozri dmesg, či sa opakujú spominané chyby. Tento test by mal dostatočne zaťažiť disk aby sa overilo, či nie je problém napajaním.Dobre by bolo napísať o akú zostavu ide a aký to ma celé zdroj.

    Ešte je možnosť, že by mal ten disk nejakú šetriacu funkciu firmwaru, ktorá nefunguje správne.

    Root v linuxe : "Root povedal, linux vykona."
    10.9.2012 19:59 Martin
    Rozbalit Rozbalit vše Re: Samovolné odpojování USB externího disku

    Tak v průběhu testu jsem drknul do USB kabelu (u konektoru na HDD) a disk se ihned odpojil. V dmesgu se objevilo tohle:

    [2823408.362226] usb 8-1: USB disconnect, device number 75
    [2823408.372082] sd 100:0:0:0: [sdb] Unhandled error code
    [2823408.372086] sd 100:0:0:0: [sdb]  Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK
    [2823408.372091] sd 100:0:0:0: [sdb] CDB: Read(10): 28 00 05 68 c9 80 00 00 80 00
    [2823408.372100] end_request: I/O error, dev sdb, sector 90753408
    [2823408.466377] quiet_error: 246 callbacks suppressed
    [2823408.466381] Buffer I/O error on device sdb, logical block 11345030
    [2823408.466398] Buffer I/O error on device sdb, logical block 11345030
    [2823408.466413] Buffer I/O error on device sdb, logical block 11345030
    [2823408.466430] Buffer I/O error on device sdb, logical block 11345031
    [2823408.466445] Buffer I/O error on device sdb, logical block 11345031
    [2823408.466459] Buffer I/O error on device sdb, logical block 11345031
    [2823408.467585] Buffer I/O error on device sdb, logical block 11345031
    [2823408.467604] Buffer I/O error on device sdb, logical block 11345032
    [2823408.467619] Buffer I/O error on device sdb, logical block 11345032
    [2823408.467633] Buffer I/O error on device sdb, logical block 11345032
    [2823408.708033] usb 8-1: new high-speed USB device number 76 using ehci_hcd
    [2823409.413373] usb 8-1: New USB device found, idVendor=1058, idProduct=1130
    [2823409.413380] usb 8-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    [2823409.413384] usb 8-1: Product: My Book 1130
    [2823409.413388] usb 8-1: Manufacturer: Western Digital
    [2823409.413391] usb 8-1: SerialNumber: 57434156354B303934393230
    [2823409.420673] scsi101 : usb-storage 8-1:1.0
    [2823410.421068] scsi 101:0:0:0: Direct-Access     WD       My Book 1130     1012 PQ: 0 ANSI: 6
    [2823410.421810] scsi 101:0:0:1: Enclosure         WD       SES Device       1012 PQ: 0 ANSI: 6
    [2823410.422544] sd 101:0:0:0: Attached scsi generic sg2 type 0
    [2823410.422687] ses 101:0:0:1: Attached Enclosure device
    [2823410.424300] sd 101:0:0:0: [sdc] 1953458176 512-byte logical blocks: (1.00 TB/931 GiB)
    [2823410.424795] sd 101:0:0:0: [sdc] Write Protect is off
    [2823410.424799] sd 101:0:0:0: [sdc] Mode Sense: 47 00 10 08
    [2823410.425800] sd 101:0:0:0: [sdc] No Caching mode page present
    [2823410.425804] sd 101:0:0:0: [sdc] Assuming drive cache: write through
    [2823410.431803] sd 101:0:0:0: [sdc] No Caching mode page present
    [2823410.431807] sd 101:0:0:0: [sdc] Assuming drive cache: write through
    [2823410.663730]  sdc: sdc1
    [2823410.667054] sd 101:0:0:0: [sdc] No Caching mode page present
    [2823410.667059] sd 101:0:0:0: [sdc] Assuming drive cache: write through
    [2823410.667062] sd 101:0:0:0: [sdc] Attached SCSI disk
    [2823410.675872] ses 101:0:0:1: Attached scsi generic sg3 type 13
    [2823413.468277] quiet_error: 258633 callbacks suppressed
    [2823413.468281] Buffer I/O error on device sdb, logical block 11409691
    [2823413.468306] Buffer I/O error on device sdb, logical block 11409691
    [2823413.468321] Buffer I/O error on device sdb, logical block 11409691
    [2823413.468335] Buffer I/O error on device sdb, logical block 11409691
    [2823413.468350] Buffer I/O error on device sdb, logical block 11409692
    [2823413.468365] Buffer I/O error on device sdb, logical block 11409692
    [2823413.468379] Buffer I/O error on device sdb, logical block 11409692
    [2823413.468393] Buffer I/O error on device sdb, logical block 11409692
    [2823413.468408] Buffer I/O error on device sdb, logical block 11409693
    [2823413.468423] Buffer I/O error on device sdb, logical block 11409693
    [2823418.472050] quiet_error: 259871 callbacks suppressed
    [2823418.472057] Buffer I/O error on device sdb, logical block 11474661
    [2823418.472084] Buffer I/O error on device sdb, logical block 11474661
    [2823418.472109] Buffer I/O error on device sdb, logical block 11474661
    [2823418.472138] Buffer I/O error on device sdb, logical block 11474662
    [2823418.472163] Buffer I/O error on device sdb, logical block 11474662
    [2823418.472187] Buffer I/O error on device sdb, logical block 11474662
    [2823418.472211] Buffer I/O error on device sdb, logical block 11474662
    [2823418.473200] Buffer I/O error on device sdb, logical block 11474663
    [2823418.473223] Buffer I/O error on device sdb, logical block 11474663
    [2823418.473237] Buffer I/O error on device sdb, logical block 11474663
    [2823423.476026] quiet_error: 260131 callbacks suppressed
    [2823423.476032] Buffer I/O error on device sdb, logical block 11539696
    [2823423.476058] Buffer I/O error on device sdb, logical block 11539696
    [2823423.476084] Buffer I/O error on device sdb, logical block 11539697
    [2823423.476108] Buffer I/O error on device sdb, logical block 11539697
    [2823423.476132] Buffer I/O error on device sdb, logical block 11539697
    [2823423.476156] Buffer I/O error on device sdb, logical block 11539697
    [2823423.476181] Buffer I/O error on device sdb, logical block 11539698
    [2823423.476205] Buffer I/O error on device sdb, logical block 11539698
    [2823423.476229] Buffer I/O error on device sdb, logical block 11539698
    [2823423.476253] Buffer I/O error on device sdb, logical block 11539698
    [2823427.025031] usb 8-1: USB disconnect, device number 76
    [2823427.268164] usb 8-1: new high-speed USB device number 77 using ehci_hcd
    [2823427.336418] hub 8-0:1.0: unable to enumerate USB device on port 1
    [2823427.660172] usb 5-1: new full-speed USB device number 43 using uhci_hcd
    [2823428.380214] usb 5-1: not running at top speed; connect to a high speed hub
    [2823428.411218] usb 5-1: New USB device found, idVendor=1058, idProduct=1130
    [2823428.411225] usb 5-1: New USB device strings: Mfr=1, Product=2, SerialNumber=3
    [2823428.411230] usb 5-1: Product: My Book 1130
    [2823428.411233] usb 5-1: Manufacturer: Western Digital
    [2823428.411237] usb 5-1: SerialNumber: 57434156354B303934393230
    [2823428.414338] scsi102 : usb-storage 5-1:1.0
    [2823429.416229] scsi 102:0:0:0: Direct-Access     WD       My Book 1130     1012 PQ: 0 ANSI: 6
    [2823429.419270] scsi 102:0:0:1: Enclosure         WD       SES Device       1012 PQ: 0 ANSI: 6
    [2823429.423397] sd 102:0:0:0: Attached scsi generic sg2 type 0
    [2823429.425948] ses 102:0:0:1: Attached Enclosure device
    [2823429.427202] sd 102:0:0:0: [sdb] 1953458176 512-byte logical blocks: (1.00 TB/931 GiB)
    [2823429.433299] sd 102:0:0:0: [sdb] Write Protect is off
    [2823429.433306] sd 102:0:0:0: [sdb] Mode Sense: 47 00 10 08
    [2823429.439199] sd 102:0:0:0: [sdb] No Caching mode page present
    [2823429.439206] sd 102:0:0:0: [sdb] Assuming drive cache: write through
    [2823429.462197] sd 102:0:0:0: [sdb] No Caching mode page present
    [2823429.462204] sd 102:0:0:0: [sdb] Assuming drive cache: write through
    [2823432.943370]  sdb: sdb1
    [2823432.971333] sd 102:0:0:0: [sdb] No Caching mode page present
    [2823432.971338] sd 102:0:0:0: [sdb] Assuming drive cache: write through
    [2823432.971341] sd 102:0:0:0: [sdb] Attached SCSI disk
    [2823432.995429] ses 102:0:0:1: Attached scsi generic sg3 type 13
    

    Běžel mi u toho badblocks a začal vypisovat kupu "vadných" bloků. (Hádám, že to bylo kvůli tomu, že se ten disk odpojil) badblocks jsem tedy pro jistotu pustil znovu a pořád běží. Jede asi hodinu a zatím to nenašlo žádnou chybu. Dmesg taky nezobrazuje žádnou novou hlášku.

    Disk se zatím taky neodpojil (když nepočítám to drknutí do kabelu)

    Jinak jedu na notebooku Lenovo G530 4446.

    Procesor: Intel® Core 2 Duo processor T6500 (2.10 GHz)
    
    Paměť: 4GB PC2-5300 DDR2 SDRAM (max. 4GB)
    
    Disk: 320 SATA 5400 ot.
    
    Grafická karta: Intel® GMA 4500MH
    
    Síť: Intel® WiFi Link 5100AGN , Realtek Gigabit Ethernet, 56Kbps data/14.4Kbps fax
    Test nechám ještě běžet dál a uvidíme jestli se disk odpojí.
    10.9.2012 20:53 ewew | skóre: 40 | blog: ewewov_blog
    Rozbalit Rozbalit vše Re: Samovolné odpojování USB externího disku

    Píšeš, že sa odpojil pri pohnuti káblom diksu. Skúšal si vymeniť kábel k tomu externemu disku ?

    Root v linuxe : "Root povedal, linux vykona."
    10.9.2012 21:02 Martin
    Rozbalit Rozbalit vše Re: Samovolné odpojování USB externího disku
    Jiný USB kabel u sebe zrovna nemám. Pokusím se ho zítra od někoho půjčit. Jinak od té doby, co jsem spustil ten test, se disk ani jednou neodpojil.
    11.9.2012 10:37 Petr Šobáň | skóre: 80 | blog: soban | Olomouc
    Rozbalit Rozbalit vše Re: Samovolné odpojování USB externího disku
    Taky může být problém přímo v konektoru - špatný kontakt a nebo urvaná nožka z plošnáku - prostě studený spoj.

    Drcneš funguje, drcneš nefunguje.
    10.9.2012 18:25 petr_p | skóre: 59 | blog: pb
    Rozbalit Rozbalit vše Re: Samovolné odpojování USB externího disku

    Já bych neřekl, že problém je v chybných sektorech na disku, protože z protokolu je vidět, že mezi připojením a odpojením žádné chyby nejsou. Naopak se objeví až po té, což je logické, protože blokové vrstvě zmizel hardware včetně požadavků, které byly odeslány před odpojením.

    Tipnul bych si na chybný USB řadič nebo nedostatečné napájení disku nebo chybu v USB redukci. Tyhle věci bohužel nemají žádnou diagnostiku. Jediné, co bych doporučil, je vyzkoušet stabilitu s jiným počítačem, nebo vyzkoušet disk/redukci s jinou redukcí/diskem. Především s méně energeticky náročným diskem.

    Ještě je možné, že Linux USB zařízení odpojí po překročení 100 mA, jak velí specifikace. Jestli by ale o tom něco rozumného napsal do protokolu, netuším.

    11.9.2012 09:40 Martin
    Rozbalit Rozbalit vše Re: Samovolné odpojování USB externího disku
    ... zařízení odpojí po překročení 100 mA, jak velí specifikace.
    Hm, mel jsem vzdycky za to, ze USB zarizeni pouze nahlasi svuj odber pri enumeraci. To kolik skutecne zarizeni odebira USB sbernice standarnimi prostredky nezjisti. A ze by to bylo pouze 100mA se mi take nezda. Mel jsem za to, ze je to kolem 0.5A na zarizeni.
    10.9.2012 20:23 Olaf
    Rozbalit Rozbalit vše Re: Samovolné odpojování USB externího disku
    Je to Ubuntu? (Nevidím uvedený OS, pokud někde je, tak sorry.) Dělalo mi to totéž s WD při přehrávání hudby. Otřesně otravná věc. Nijak jsem to neřešil, nevěděl jsem jak. Jen jsem přebootoval do openSUSE (mívám dva tři systémy kvůli testům) a z ubuntí partišny udělal záložní storage. Nejlepší řešení. Už na to Ubuntu nesáhnu, ani kdyby mě za to platili.
    10.9.2012 20:35 Martin
    Rozbalit Rozbalit vše Re: Samovolné odpojování USB externího disku
    Ubuntu to není. Používám Debian, takže je dost možné, že mají v sobě stejnou chybu.

    V openSUSE se ten disk neodpojuje?

    10.9.2012 20:44 Olaf
    Rozbalit Rozbalit vše Re: Samovolné odpojování USB externího disku
    Nope. Jede. Zrovna z něj hraju. Nebylo to ve WD, Ubuntu mi to prcalo i s normálním notebookovým diskem, který jsem měl připojený přes USB.
    10.9.2012 20:54 Martin
    Rozbalit Rozbalit vše Re: Samovolné odpojování USB externího disku
    Ok. Díky za info :)
    Řešení 1× (ewew)
    11.9.2012 16:59 Martin
    Rozbalit Rozbalit vše Re: Samovolné odpojování USB externího disku

    Tak jsem použil jiný USB kabel a disk se přestal samovolně odpojovat.

    Všem děkuji za rady :)

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