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Replace disk after it suddenly jumped to 168 x Current_Pending_Sector AND Offline_Uncorrectable?


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One of my disks (disk4) suddenly reported going form 0 to 168 errors for SMART 197 Current_Pending_Sector AND 198 Offline_Uncorrectable, both at the same time. Here's the unraid notification:

2019-09-06 08:38	Unraid Disk 4 SMART health [198]	Warning [TOWER] - offline uncorrectable is 168	ST8000AS0002-1NA17Z_Z84102P2 (sdd)	warning	
2019-09-06 08:38	Unraid Disk 4 SMART health [197]	Warning [TOWER] - current pending sector is 168	ST8000AS0002-1NA17Z_Z84102P2 (sdd)	warning	

There wasn't much activity on the array at the time, and nothing is logged in the syslog for that time period.

I've run a short and extended SMART self-test. The extended test reported errors:

Num  Test_Description    Status                  Remaining  LifeTime(hours)  LBA_of_first_error
# 1  Extended offline    Completed: read failure       90%     18661         2896134552
# 2  Short offline       Completed without error       00%     18631         -

Can someone with more experience in this confirm that the disk is indeed on its' last legs and should be replaced immediately?

Extended smart report and diagnostics attached, let me know if you need anything else.


Thanks in advance




ST8000AS0002-1NA17Z_Z84102P2-20190908-0923.txt tower-diagnostics-20190907-2350.zip

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