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V marci 2019 som si zaobstaral dva 6TB HDD do domaceho NAS. Podla odporuceni pre zostavovanie RAIDu od rozdielnych vyrobcov:

• WD 6TB HDD PURPLE / WD60PURZ / SATAIII / Interní 3,5" / 5400RPM /64MB
• Seagate IronWolf 6TB HDD / ST6000VN0033 / Interní 3,5" / 7200 rpm / SATA 6Gb/s /256 MB

Oba disky spojil do BTRFS RAID1, nastavil S.M.A.R.T. notifikacie a raz tyzdenne scrubbing. Dnes mi zo SMART prislo upozornenie na nie velmi dobre vyzerajuci stav Seagate.

=== START OF INFORMATION SECTION ===
Model Family:     Seagate IronWolf
Device Model:     ST6000VN0033-2EE110
Serial Number:    ZAD73DPL
LU WWN Device Id: 5 000c50 0b422f7a6
Firmware Version: SC60
User Capacity:    6,001,175,126,016 bytes [6.00 TB]
Sector Sizes:     512 bytes logical, 4096 bytes physical
Rotation Rate:    7200 rpm
Form Factor:      3.5 inches
Device is:        In smartctl database [for details use: -P show]
ATA Version is:   ACS-3 T13/2161-D revision 5
SATA Version is:  SATA 3.1, 6.0 Gb/s (current: 3.0 Gb/s)
Local Time is:    Sat Oct  2 17:40:59 2021 CEST
SMART support is: Available - device has SMART capability.
SMART support is: Enabled

=== START OF READ SMART DATA SECTION ===
SMART Status not supported: Incomplete response, ATA output registers missing
SMART overall-health self-assessment test result: PASSED
Warning: This result is based on an Attribute check.
See vendor-specific Attribute list for marginal Attributes.

General SMART Values:
Offline data collection status:  (0x82)	Offline data collection activity
					was completed without error.
					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: 		(  575) 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: 	 (   1) minutes.
Extended self-test routine
recommended polling time: 	 ( 612) minutes.
Conveyance self-test routine
recommended polling time: 	 (   2) minutes.
SCT capabilities: 	       (0x50bd)	SCT Status supported.
					SCT Error Recovery Control supported.
					SCT Feature Control supported.
					SCT Data Table supported.

SMART Attributes Data Structure revision number: 10
Vendor Specific SMART Attributes with Thresholds:
ID# ATTRIBUTE_NAME          FLAG     VALUE WORST THRESH TYPE      UPDATED  WHEN_FAILED RAW_VALUE
  1 Raw_Read_Error_Rate     0x000f   100   033   044    Pre-fail  Always   In_the_past 1295152
  3 Spin_Up_Time            0x0003   087   086   000    Pre-fail  Always       -       0
  4 Start_Stop_Count        0x0032   097   097   020    Old_age   Always       -       3776
  5 Reallocated_Sector_Ct   0x0033   090   090   010    Pre-fail  Always       -       40872
  7 Seek_Error_Rate         0x000f   093   060   045    Pre-fail  Always       -       12426530330
  9 Power_On_Hours          0x0032   076   076   000    Old_age   Always       -       21549
 10 Spin_Retry_Count        0x0013   100   100   097    Pre-fail  Always       -       0
 12 Power_Cycle_Count       0x0032   100   100   020    Old_age   Always       -       22
184 End-to-End_Error        0x0032   100   100   099    Old_age   Always       -       0
187 Reported_Uncorrect      0x0032   001   001   000    Old_age   Always       -       281
188 Command_Timeout         0x0032   100   099   000    Old_age   Always       -       1
189 High_Fly_Writes         0x003a   100   100   000    Old_age   Always       -       0
190 Airflow_Temperature_Cel 0x0022   040   030   040    Old_age   Always   FAILING_NOW 60 (Min/Max 28/64 #13530)
191 G-Sense_Error_Rate      0x0032   083   083   000    Old_age   Always       -       34029
192 Power-Off_Retract_Count 0x0032   100   100   000    Old_age   Always       -       25
193 Load_Cycle_Count        0x0032   062   062   000    Old_age   Always       -       77210
194 Temperature_Celsius     0x0022   060   070   000    Old_age   Always       -       60 (0 23 0 0 0)
195 Hardware_ECC_Recovered  0x001a   100   001   000    Old_age   Always       -       1295152
197 Current_Pending_Sector  0x0012   100   100   000    Old_age   Always       -       56
198 Offline_Uncorrectable   0x0010   100   100   000    Old_age   Offline      -       56
199 UDMA_CRC_Error_Count    0x003e   200   200   000    Old_age   Always       -       0
240 Head_Flying_Hours       0x0000   100   253   000    Old_age   Offline      -       14177 (2 167 0)
241 Total_LBAs_Written      0x0000   100   253   000    Old_age   Offline      -       32443615224
242 Total_LBAs_Read         0x0000   100   253   000    Old_age   Offline      -       351179443551

SMART Error Log Version: 1
ATA Error Count: 274 (device log contains only the most recent five errors)
	CR = Command Register [HEX]
	FR = Features Register [HEX]
	SC = Sector Count Register [HEX]
	SN = Sector Number Register [HEX]
	CL = Cylinder Low Register [HEX]
	CH = Cylinder High Register [HEX]
	DH = Device/Head Register [HEX]
	DC = Device Command Register [HEX]
	ER = Error register [HEX]
	ST = Status register [HEX]
Powered_Up_Time is measured from power on, and printed as
DDd+hh:mm:SS.sss where DD=days, hh=hours, mm=minutes,
SS=sec, and sss=millisec. It "wraps" after 49.710 days.

Error 274 occurred at disk power-on lifetime: 21545 hours (897 days + 17 hours)
  When the command that caused the error occurred, the device was active or idle.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  40 51 00 f8 0f cb 00  Error: UNC at LBA = 0x00cb0ff8 = 13307896

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  25 00 20 e0 0f cb 40 00  17d+12:19:00.667  READ DMA EXT
  35 00 08 d8 0f cb 40 00  17d+12:19:00.652  WRITE DMA EXT
  35 00 08 d0 0f cb 40 00  17d+12:19:00.641  WRITE DMA EXT
  35 00 08 c8 0f cb 40 00  17d+12:19:00.628  WRITE DMA EXT
  35 00 08 c0 0f cb 40 00  17d+12:19:00.618  WRITE DMA EXT

Error 273 occurred at disk power-on lifetime: 21545 hours (897 days + 17 hours)
  When the command that caused the error occurred, the device was active or idle.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  40 51 00 d8 0f cb 00  Error: UNC at LBA = 0x00cb0fd8 = 13307864

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  25 00 20 c0 0f cb 40 00  17d+12:18:54.156  READ DMA EXT
  35 00 a8 00 76 98 47 00  17d+12:18:54.155  WRITE DMA EXT
  35 00 80 80 75 98 47 00  17d+12:18:54.154  WRITE DMA EXT
  35 00 80 00 75 98 47 00  17d+12:18:54.116  WRITE DMA EXT
  35 00 58 a8 74 98 47 00  17d+12:18:54.115  WRITE DMA EXT

Error 272 occurred at disk power-on lifetime: 21545 hours (897 days + 17 hours)
  When the command that caused the error occurred, the device was active or idle.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  40 51 00 10 cc 0f 00  Error: UNC at LBA = 0x000fcc10 = 1035280

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  25 00 20 00 cc 0f 40 00  17d+12:18:43.575  READ DMA EXT
  35 00 c0 ff ff ff 4f 00  17d+12:18:43.574  WRITE DMA EXT
  35 00 80 ff ff ff 4f 00  17d+12:18:43.573  WRITE DMA EXT
  35 00 c0 ff ff ff 4f 00  17d+12:18:43.572  WRITE DMA EXT
  35 00 a8 80 7f 85 47 00  17d+12:18:43.571  WRITE DMA EXT

Error 271 occurred at disk power-on lifetime: 21545 hours (897 days + 17 hours)
  When the command that caused the error occurred, the device was active or idle.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  40 51 00 f0 24 ca 00  Error: UNC at LBA = 0x00ca24f0 = 13247728

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  25 00 20 e0 24 ca 40 00  17d+12:05:23.116  READ DMA EXT
  25 00 20 c0 24 ca 40 00  17d+12:05:19.192  READ DMA EXT
  35 00 88 ff ff ff 4f 00  17d+12:05:19.192  WRITE DMA EXT
  35 00 80 ff ff ff 4f 00  17d+12:05:19.191  WRITE DMA EXT
  35 00 80 ff ff ff 4f 00  17d+12:05:19.190  WRITE DMA EXT

Error 270 occurred at disk power-on lifetime: 21545 hours (897 days + 17 hours)
  When the command that caused the error occurred, the device was active or idle.

  After command completion occurred, registers were:
  ER ST SC SN CL CH DH
  -- -- -- -- -- -- --
  40 51 00 08 22 ca 00  Error: UNC at LBA = 0x00ca2208 = 13246984

  Commands leading to the command that caused the error were:
  CR FR SC SN CL CH DH DC   Powered_Up_Time  Command/Feature_Name
  -- -- -- -- -- -- -- --  ----------------  --------------------
  25 00 20 00 22 ca 40 00  17d+12:04:05.434  READ DMA EXT
  35 00 a8 ff ff ff 4f 00  17d+12:04:05.433  WRITE DMA EXT
  35 00 80 ff ff ff 4f 00  17d+12:04:05.432  WRITE DMA EXT
  35 00 d8 ff ff ff 4f 00  17d+12:04:05.431  WRITE DMA EXT
  35 00 f0 ff ff ff 4f 00  17d+12:04:05.429  WRITE DMA EXT

SMART Self-test log structure revision number 1
Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Short offline       Completed without error       00%     21541         -
# 2  Extended offline    Completed: read failure       50%     21539         -
# 3  Short offline       Completed without error       00%     21517         -
# 4  Short offline       Completed without error       00%     21493         -
# 5  Short offline       Completed without error       00%     21469         -
# 6  Short offline       Completed without error       00%     21445         -
# 7  Short offline       Completed without error       00%     21421         -
# 8  Short offline       Completed without error       00%     21397         -
# 9  Extended offline    Completed without error       00%     21376         -
#10  Short offline       Completed without error       00%     21349         -
#11  Short offline       Completed without error       00%     21325         -
#12  Short offline       Completed without error       00%     21301         -
#13  Short offline       Completed without error       00%     21277         -
#14  Short offline       Completed without error       00%     21253         -
#15  Short offline       Completed without error       00%     21229         -
#16  Short offline       Completed without error       00%     21205         -
#17  Extended offline    Completed: read failure       90%     21198         1904120560
#18  Short offline       Completed: read failure       90%     21181         1904120392
#19  Short offline       Completed without error       00%     21157         -
#20  Short offline       Completed: read failure       90%     21133         1904120392
#21  Short offline       Completed without error       00%     21109         -
3 of 4 failed self-tests are outdated by newer successful extended offline self-test # 9

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.

Nie som ziaden odbornik na citanie tychto reportov, ale ked to porovnam s WD (vsetko completed without error) tak mi pride, ze disk ma svoje dni zratane. Co je po 2.5 roku v prevadzke (ziaden heavy use - pravidelne sa pouziva akurat na zalohy) pri disku urceneho do NAS (takze bezne always-on) celkom smutne :-/

Zacinam sa logicky obzerat po dalsom 6TB (alebo mozno 8TB s tym, ze 2TB vyuzijem na nemirrorovane data) disku. Ale nie som si celkom isty, ci opat chcem ist do SeaGate a nebude trebars lepsie zobrat znova WD - chyba celej serie by mala byt pri takom velkom casovom rozpati snad eliminovana.

Mozte sa prosim podelit s vasimi odporucaniami? Tiez sa vam stalo, ze disk zacal (ako naschval) hlasit chyby pol roka po skonceni zaruky?

Dakujem, jose