April 7, 20197 yr ok ill start by say when i woke up i noticed my plex server was not responding and had a read only error and as i looked about all my dockers where crashing or crashed with same read only errors so went to mount list and saw the cache was un mountable co after doing a check it said i should check device size using the btrfs rescue witch seemed like it worked but now it get this error ok checking it i dont wana jump ahead or mess this up as my unraid server is my life , i have 6 ssd's in my cache i have not run anythink other than btrfs rescue fix-device-size sdf1 and the built in check of main cache disk Help im desperate parent transid verify failed on 404401356800 wanted 657030 found 657029 parent transid verify failed on 404401356800 wanted 657030 found 657029 parent transid verify failed on 404401356800 wanted 657030 found 657029 parent transid verify failed on 404401356800 wanted 657030 found 657029 Ignoring transid failure checking extents data backref 433718579200 root 5 owner 9336665 offset 0 num_refs 0 not found in extent tree incorrect local backref count on 433718579200 root 5 owner 9336665 offset 0 found 1 wanted 0 back 0xdf5b9d0 incorrect local backref count on 433718579200 root 7138205409382236165 owner 281472963716086 offset 0 found 0 wanted 1 back 0xa185a30 backref disk bytenr does not match extent record, bytenr=433718579200, ref bytenr=0 backpointer mismatch on [433718579200 12288] data backref 434229600256 root 5 owner 8099536 offset 3915776 num_refs 0 not found in extent tree incorrect local backref count on 434229600256 root 5 owner 8099536 offset 3915776 found 1 wanted 0 back 0x57cd570 incorrect local backref count on 434229600256 root 13283367100929277957 owner 281472963515796 offset 3915776 found 0 wanted 1 back 0xe66f5e0 backref disk bytenr does not match extent record, bytenr=434229600256, ref bytenr=0 backpointer mismatch on [434229600256 45056] ERROR: errors found in extent allocation tree or chunk allocation checking free space cache checking fs roots checking only csum items (without verifying data) checking root refs ERROR: transid errors in file system Checking filesystem on /dev/sdf1 UUID: c702a9dd-ef94-4403-8b44-33b96a5783fe cache and super generation don't match, space cache will be invalidated found 250718879744 bytes used, error(s) found total csum bytes: 15458996 total tree bytes: 1180680192 total fs tree bytes: 1089454080 total extent tree bytes: 70549504 btree space waste bytes: 263042456 file data blocks allocated: 249878728704 referenced 249363730432
April 7, 20197 yr Go to Tools - Diagnostics and attach the complete diagnostics zip file to your next post.
April 8, 20197 yr Author Update lost a in cache but servers back online , but still have error on one of my cache pool drives
April 8, 20197 yr parent transid verify failed is usually a fatal error, you'll need to reformat the pool, see here for some way to recover the data if you don't have backups: https://forums.unraid.net/topic/46802-faq-for-unraid-v6/?do=findComment&comment=543490
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