Problem with a cache disk, is unmountable no file system. btrfs

[xanian]

 

Hei

 

i have a problem with my cache disk. it would not mount. 

 

here is the log for the disk

 

[1/7] checking root items [2/7] checking extents checksum verify failed on 102842368 wanted 0x57a1451b found 0x73cb82b1 checksum verify failed on 102842368 wanted 0x57a1451b found 0x73cb82b1 Csum didn't match owner ref check failed [102842368 16384] ERROR: errors found in extent allocation tree or chunk allocation [3/7] checking free space tree [4/7] checking fs roots [5/7] checking only csums items (without verifying data) [6/7] checking root refs [7/7] checking quota groups skipped (not enabled on this FS) Opening filesystem to check... Checking filesystem on /dev/sdi1 UUID: d205b821-95d0-4247-9d6e-53c498de5ef7 cache and super generation don't match, space cache will be invalidated found 357907292160 bytes used, error(s) found total csum bytes: 208353708 total tree bytes: 398213120 total fs tree bytes: 101859328 total extent tree bytes: 48922624 btree space waste bytes: 65012909 file data blocks allocated: 371584811008 referenced 356142170112

[ChatNoir]

Please share your diagnostics in your next post.

[xanian]

hansen-the-boss-diagnostics-20211021-1212.zip

[JorgeB]

Diags after array start please.

[xanian]

hansen-the-boss-diagnostics-20211021-1344.zip

[JorgeB]

Cache filesystem is corrupt, there are some recovery options here.

[xanian]

 can't read superblock on /dev/sdi1.

 

 

[JorgeB]

If none of the options in the FAQ work you can try the mailing list or IRC as also mentioned there, or just restore from backups.