I am running CentOS 7.1. I have a 1TB drive that is formatted as XFS.
After a year of continuous use, I can no longer write to it
sudo touch /capture/a.a
touch: cannot touch ‘/capture/a.a’: No space left on device
However, there's plenty of room on the drive
sudo fdisk -l /dev/sdb
WARNING: fdisk GPT support is currently new, and therefore in an experimental phase. Use at your own discretion.
Disk /dev/sdb: 1000.2 GB, 1000204886016 bytes, 1953525168 sectors
Units = sectors of 1 * 512 = 512 bytes
Sector size (logical/physical): 512 bytes / 512 bytes
I/O size (minimum/optimal): 512 bytes / 512 bytes
I see the following on dmesg
[336198.224298] XFS (sdb): metadata I/O error: block 0x3a3836e2 ("xfs_trans_read_buf_map") error 117 numblks 1
[336198.224479] XFS (sdb): Metadata corruption detected at xfs_agi_read_verify+0x5e/0x110 [xfs], block 0x57545252
[336198.224483] XFS (sdb): Unmount and run xfs_repair
[336198.224486] XFS (sdb): First 64 bytes of corrupted metadata buffer:
[336198.224489] ffff880404f30400: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[336198.224491] ffff880404f30410: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[336198.224494] ffff880404f30420: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[336198.224496] ffff880404f30430: 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 ................
[336198.224554] XFS (sdb): metadata I/O error: block 0x57545252 ("xfs_trans_read_buf_map") error 117 numblks 1
[337680.482764] xfs_db[25323]: segfault at 7ffe0aeceff8 ip 0000000000424085 sp 00007ffe0aecf000 error 6 in xfs_db[400000+81000]
When I try to run "xfs_repair", it can't seem to find secondary superblock
sudo xfs_repair -v /dev/sdb
Phase 1 - find and verify superblock...
couldn't verify primary superblock - not enough secondary superblocks with matching geometry !!!
attempting to find secondary superblock...
................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................Sorry, could not find valid secondary superblock
Exiting now.
Does anyone have any recommendations on how I can recover this?
Much Thanks
Morgan Yang
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