Errors in the log, docker crashed, and log memory at 100%


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Corruption was detected on the cache filesystem and it went read-only:

 

Jun  8 07:29:47 tower1 kernel: BTRFS error (device dm-3): block=1041472405504 write time tree block corruption detected
Jun  8 07:29:47 tower1 kernel: BTRFS: error (device dm-3) in btrfs_commit_transaction:2377: errno=-5 IO failure (Error while writing out transaction)
Jun  8 07:29:47 tower1 kernel: BTRFS info (device dm-3): forced readonly

 

You should backup and restore data, docker image should then be recreated.

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Looks like one of the SSDs (sdc) has also failed. SMART shows:

 

202 Percent_Lifetime_Remain ----CK   000   000   001    NOW  100

 

so i'll have to replace that too.

 

Has data corruption already occurred at this point in time?

Do I follow the instructions here: https://wiki.unraid.net/Replace_A_Cache_Drive to get all the data on to the array, then replace the disk?

 

Would it be a good idea to replace the failed SSD with a 1TB drive? The other is 500M, the cache is usually at about 60%.

 

 

 

 

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12 hours ago, jj_uk said:

so i'll have to replace that too.

That attribute doesn't mean the SSD failed, just means it's past the expected life, it can still last a long time, my cache NVMe device is way past it's predicted life (127%) and still going strong.

 

12 hours ago, jj_uk said:

Has data corruption already occurred at this point in time?

Most if not all data should be time, it went read-only to avoid further filesystem corruption, you can copy the data using your favorite tool, not sure the mover will work correctly because it can't delete source files, never tried.

 

 

 

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