Portál AbcLinuxu, 30. června 2025 08:32
iostat 600zjistí zda je ten přístup zápis nebo čtení (a kolik)
mount -o remount,ro <device>Pokud jde o zápis, tak by mohla ta služba vypsat chybu do logu Parametr mountu commit=XX změní periodu zápisu dat na disk pro normální FS operace. Pokud něco skenuje zařízení (viz. níž), tak to na to vliv mít nebude. A nebo postupně zabíjet jednotlivé procesy
#odpojit sde echo 1 > /sys/block/sde/device/delete #pripojit echo on > /sys/class/scsi_host/host4/device/power/control echo "- - -" > /sys/class/scsi_host/host4/scan #nebo rescan-scsi-bus echo auto > /sys/class/scsi_host/host4/device/power/controlty cachry s power/control mozna nebudou na USB potreba? na esata to na sporive "auto" nenajde disk, je potreba na chvili zapnout "on" a misto scan a hledani cisla adapteru muzes pouzit utilitu rescan-scsi-bus
UID PID PPID C STIME TTY TIME CMD root 1 0 0 čec03 ? 00:00:24 /sbin/init text root 2 0 0 čec03 ? 00:00:00 [kthreadd] root 3 2 0 čec03 ? 00:00:00 [ksoftirqd/0] root 5 2 0 čec03 ? 00:00:00 [kworker/0:0H] root 7 2 0 čec03 ? 00:00:22 [rcu_sched] root 8 2 0 čec03 ? 00:00:00 [rcu_bh] root 9 2 0 čec03 ? 00:00:00 [migration/0] root 10 2 0 čec03 ? 00:00:00 [lru-add-drain] root 11 2 0 čec03 ? 00:00:00 [watchdog/0] root 12 2 0 čec03 ? 00:00:00 [cpuhp/0] root 13 2 0 čec03 ? 00:00:00 [cpuhp/1] root 14 2 0 čec03 ? 00:00:00 [watchdog/1] root 15 2 0 čec03 ? 00:00:00 [migration/1] root 16 2 0 čec03 ? 00:00:01 [ksoftirqd/1] root 18 2 0 čec03 ? 00:00:00 [kworker/1:0H] root 19 2 0 čec03 ? 00:00:00 [kdevtmpfs] root 20 2 0 čec03 ? 00:00:00 [netns] root 21 2 0 čec03 ? 00:00:00 [khungtaskd] root 22 2 0 čec03 ? 00:00:00 [oom_reaper] root 23 2 0 čec03 ? 00:00:00 [writeback] root 24 2 0 čec03 ? 00:00:00 [kcompactd0] root 25 2 0 čec03 ? 00:00:00 [ksmd] root 26 2 0 čec03 ? 00:00:01 [khugepaged] root 27 2 0 čec03 ? 00:00:00 [crypto] root 28 2 0 čec03 ? 00:00:00 [kintegrityd] root 29 2 0 čec03 ? 00:00:00 [bioset] root 30 2 0 čec03 ? 00:00:00 [kblockd] root 31 2 0 čec03 ? 00:00:00 [ata_sff] root 32 2 0 čec03 ? 00:00:00 [md] root 33 2 0 čec03 ? 00:00:00 [devfreq_wq] root 34 2 0 čec03 ? 00:00:00 [watchdogd] root 37 2 0 čec03 ? 00:00:06 [kswapd0] root 38 2 0 čec03 ? 00:00:00 [vmstat] root 39 2 0 čec03 ? 00:00:00 [ecryptfs-kthrea] root 78 2 0 čec03 ? 00:00:00 [kthrotld] root 79 2 0 čec03 ? 00:00:00 [acpi_thermal_pm] root 80 2 0 čec03 ? 00:00:00 [bioset] root 81 2 0 čec03 ? 00:00:00 [bioset] root 82 2 0 čec03 ? 00:00:00 [bioset] root 83 2 0 čec03 ? 00:00:00 [bioset] root 84 2 0 čec03 ? 00:00:00 [bioset] root 85 2 0 čec03 ? 00:00:00 [bioset] root 87 2 0 čec03 ? 00:00:00 [bioset] root 88 2 0 čec03 ? 00:00:00 [bioset] root 89 2 0 čec03 ? 00:00:00 [scsi_eh_0] root 90 2 0 čec03 ? 00:00:00 [scsi_tmf_0] root 91 2 0 čec03 ? 00:00:00 [scsi_eh_1] root 92 2 0 čec03 ? 00:00:00 [scsi_tmf_1] root 94 2 0 čec03 ? 00:00:00 [scsi_eh_2] root 95 2 0 čec03 ? 00:00:00 [scsi_tmf_2] root 96 2 0 čec03 ? 00:00:00 [scsi_eh_3] root 97 2 0 čec03 ? 00:00:00 [scsi_tmf_3] root 105 2 0 čec03 ? 00:00:00 [bioset] root 109 2 0 čec03 ? 00:00:00 [ipv6_addrconf] root 130 2 0 čec03 ? 00:00:00 [deferwq] root 131 2 0 čec03 ? 00:00:00 [charger_manager] root 132 2 0 čec03 ? 00:00:00 [bioset] root 163 2 0 čec03 ? 00:00:00 [bioset] root 164 2 0 čec03 ? 00:00:00 [bioset] root 165 2 0 čec03 ? 00:00:00 [bioset] root 166 2 0 čec03 ? 00:00:00 [bioset] root 167 2 0 čec03 ? 00:00:00 [bioset] root 168 2 0 čec03 ? 00:00:00 [bioset] root 169 2 0 čec03 ? 00:00:00 [bioset] root 170 2 0 čec03 ? 00:00:00 [bioset] root 171 2 0 čec03 ? 00:00:00 [scsi_eh_4] root 177 2 0 čec03 ? 00:00:00 [scsi_tmf_4] root 178 2 0 čec03 ? 00:00:00 [scsi_eh_5] root 179 2 0 čec03 ? 00:00:00 [scsi_tmf_5] root 183 2 0 čec03 ? 00:00:00 [firewire] root 184 2 0 čec03 ? 00:00:00 [firewire_ohci] root 185 2 0 čec03 ? 00:00:00 [kpsmoused] root 187 2 0 čec03 ? 00:00:00 [i915/signal:0] root 189 2 0 čec03 ? 00:00:00 [bioset] root 202 2 0 čec03 ? 00:00:00 [bioset] root 225 2 0 čec03 ? 00:00:00 [jbd2/sdd2-8] root 226 2 0 čec03 ? 00:00:00 [ext4-rsv-conver] root 257 2 0 čec03 ? 00:00:00 [kworker/0:1H] root 270 2 0 čec03 ? 00:00:00 [kauditd] root 276 1 0 čec03 ? 00:00:01 /lib/systemd/systemd-journald root 285 2 0 čec03 ? 00:00:00 [rpciod] root 286 2 0 čec03 ? 00:00:00 [xprtiod] root 300 1 0 čec03 ? 00:00:00 /lib/systemd/systemd-udevd root 349 2 0 čec03 ? 00:00:01 [kworker/1:1H] root 351 2 0 čec03 ? 00:00:00 [irq/31-mei_me] root 401 2 0 čec03 ? 00:00:00 [btrfs-worker] root 404 2 0 čec03 ? 00:00:00 [btrfs-worker-hi] root 405 2 0 čec03 ? 00:00:00 [btrfs-delalloc] root 406 2 0 čec03 ? 00:00:00 [btrfs-flush_del] root 407 2 0 čec03 ? 00:00:00 [btrfs-cache] root 408 2 0 čec03 ? 00:00:00 [btrfs-submit] root 409 2 0 čec03 ? 00:00:00 [btrfs-fixup] root 410 2 0 čec03 ? 00:00:00 [btrfs-endio] root 411 2 0 čec03 ? 00:00:00 [btrfs-endio-met] root 412 2 0 čec03 ? 00:00:00 [btrfs-endio-met] root 413 2 0 čec03 ? 00:00:00 [btrfs-endio-rai] root 414 2 0 čec03 ? 00:00:00 [btrfs-endio-rep] root 415 2 0 čec03 ? 00:00:00 [btrfs-rmw] root 416 2 0 čec03 ? 00:00:00 [btrfs-endio-wri] root 417 2 0 čec03 ? 00:00:00 [btrfs-freespace] root 418 2 0 čec03 ? 00:00:00 [btrfs-delayed-m] root 419 2 0 čec03 ? 00:00:00 [btrfs-readahead] root 420 2 0 čec03 ? 00:00:00 [btrfs-qgroup-re] root 421 2 0 čec03 ? 00:00:00 [btrfs-extent-re] root 437 2 0 čec03 ? 00:00:00 [ext4-rsv-conver] root 480 2 0 čec03 ? 00:00:00 [btrfs-cleaner] root 481 2 0 čec03 ? 00:00:24 [btrfs-transacti] systemd+ 511 1 0 čec03 ? 00:00:00 /lib/systemd/systemd-timesyncd root 564 1 0 čec03 ? 00:00:00 /usr/sbin/rpc.idmapd message+ 604 1 0 čec03 ? 00:00:19 /usr/bin/dbus-daemon --system --address=systemd: --nofork --nopidfile --systemd-activation syslog 608 1 0 čec03 ? 00:00:00 /usr/sbin/rsyslogd -n root 609 1 0 čec03 ? 00:00:00 /usr/lib/accountsservice/accounts-daemon root 614 1 0 čec03 ? 00:00:00 /usr/sbin/cron -f root 616 1 0 čec03 ? 00:00:06 /lib/systemd/systemd-logind root 618 1 0 čec03 ? 00:00:00 /usr/sbin/smartd -n root 690 1 0 čec03 ? 00:00:00 /sbin/dhclient -1 -v -pf /run/dhclient.enp0s25.pid -lf /var/lib/dhcp/dhclient.enp0s25.leases -I -df /var/lib/dhcp/dhclient6.enp0s25.leases enp0s25 root 719 1 0 čec03 ? 00:00:00 /usr/sbin/sshd -D debian-+ 727 1 2 čec03 ? 00:27:14 /usr/bin/transmission-daemon -f --log-error root 757 1 0 čec03 ? 00:00:00 /sbin/rpcbind -f -w root 758 1 0 čec03 ? 00:00:00 /usr/sbin/rpc.mountd --manage-gids root 763 2 0 čec03 ? 00:00:00 [nfsd4_callbacks] root 764 2 0 čec03 ? 00:00:00 [lockd] root 766 2 0 čec03 ? 00:00:00 [nfsd] root 767 2 0 čec03 ? 00:00:00 [nfsd] root 768 2 0 čec03 ? 00:00:00 [nfsd] root 769 2 0 čec03 ? 00:00:00 [nfsd] root 770 2 0 čec03 ? 00:00:00 [nfsd] root 771 2 0 čec03 ? 00:00:00 [nfsd] root 772 2 0 čec03 ? 00:00:00 [nfsd] root 773 2 0 čec03 ? 00:00:02 [nfsd] root 826 1 0 čec03 ? 00:00:00 /usr/sbin/inetutils-inetd root 864 1 0 čec03 ? 00:00:02 /usr/sbin/irqbalance --pid=/var/run/irqbalance.pid root 876 1 0 čec03 tty1 00:00:00 /sbin/agetty --noclear tty1 linux root 893 1 0 čec03 ? 00:00:00 /bin/bash /usr/bin/mysqld_safe root 940 1 0 čec03 ? 00:00:01 php-fpm: master process (/etc/php/7.0/fpm/php-fpm.conf) proftpd 989 1 0 čec03 ? 00:00:00 proftpd: (accepting connections) www-data 990 940 0 čec03 ? 00:00:00 php-fpm: pool www www-data 991 940 0 čec03 ? 00:00:00 php-fpm: pool www root 1008 1 0 čec03 ? 00:00:01 /usr/sbin/apache2 -k start mysql 1051 893 0 čec03 ? 00:00:43 /usr/sbin/mysqld --basedir=/usr --datadir=/srv/mysql --plugin-dir=/usr/lib/mysql/plugin --user=mysql --skip-log-error --pid-file=/var/run/mysqld/mysqld.pid --socket=/var/run/mysqld/mysqld.sock --port=3306 root 1052 893 0 čec03 ? 00:00:00 logger -t mysqld -p daemon error prosody 1709 1 0 čec03 ? 00:00:07 lua5.1 /usr/bin/prosody root 5605 2 0 06:25 ? 00:00:06 [kworker/0:2] www-data 5623 1008 0 06:25 ? 00:00:12 /usr/sbin/apache2 -k start www-data 5624 1008 0 06:25 ? 00:00:11 /usr/sbin/apache2 -k start www-data 5625 1008 0 06:25 ? 00:00:12 /usr/sbin/apache2 -k start www-data 5627 1008 0 06:25 ? 00:00:11 /usr/sbin/apache2 -k start www-data 5628 1008 0 06:25 ? 00:00:11 /usr/sbin/apache2 -k start www-data 5637 1008 0 06:25 ? 00:00:09 /usr/sbin/apache2 -k start www-data 5647 1008 0 06:25 ? 00:00:10 /usr/sbin/apache2 -k start www-data 5655 1008 0 06:29 ? 00:00:10 /usr/sbin/apache2 -k start www-data 7296 1008 0 12:46 ? 00:00:03 /usr/sbin/apache2 -k start www-data 7297 1008 0 12:46 ? 00:00:04 /usr/sbin/apache2 -k start root 8366 2 0 17:15 ? 00:00:01 [kworker/1:1] root 8367 2 0 17:15 ? 00:00:01 [kworker/0:1] root 8705 2 0 18:29 ? 00:00:01 [kworker/1:0] root 8808 2 0 19:00 ? 00:00:00 [kworker/u9:1] root 8865 2 0 19:11 ? 00:00:00 [kworker/u8:2] root 8913 2 0 19:30 ? 00:00:00 [kworker/u9:0] root 8914 2 0 19:38 ? 00:00:00 [kworker/u9:2] root 8976 2 0 19:42 ? 00:00:00 [kworker/u8:1] root 8977 2 0 19:42 ? 00:00:00 [kworker/u8:3] root 8981 2 0 19:42 ? 00:00:00 [kworker/u8:6] root 8982 2 0 19:42 ? 00:00:00 [kworker/u8:7] root 8983 719 0 19:43 ? 00:00:00 sshd: paul [priv] root 8985 2 0 19:43 ? 00:00:00 [kworker/0:0] paul 8986 1 0 19:43 ? 00:00:00 /lib/systemd/systemd --user paul 8987 8986 0 19:43 ? 00:00:00 (sd-pam) paul 9005 8983 0 19:43 ? 00:00:00 sshd: paul@pts/0 paul 9006 9005 0 19:43 pts/0 00:00:00 -bash root 9024 9006 0 19:43 pts/0 00:00:00 su root root 9025 9024 0 19:43 pts/0 00:00:00 bash root 9088 9025 0 19:48 pts/0 00:00:00 ps -AfNapadá mě, jestli to není něco související s btrfs. I když to by se mělo odmlčet, pokud je disk odmountovaný.
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