Update: xfs_repair has fixed the problem:
root@ashdbtrk-s008-02:/home/wdeviers# xfs_check /dev/vg0/mysql agf_freeblks 327676, counted 655100 in ag 4 agf_longest 327676, counted 655100 in ag 4 block 12/1 expected type unknown got btbno block 12/4 expected type unknown got free2 ... block 12/45268 expected type unknown got free2 block 12/45269 expected type unknown got free2 block 12/45270 expected type unknown got free2 block 12/45271 expected type unknown got free2 block 12/45272 expected type unknown got free2 block 12/45273 expected type unknown got free2 block 12/45274 expected type unknown got free2 block 12/45275 expected type unknown got free2 root@ashdbtrk-s008-02:/home/wdeviers# xfs_repair /dev/vg0/mysql Phase 1 - find and verify superblock... Phase 2 - using internal log - zero log... - scan filesystem freespace and inode maps... primary/secondary superblock 4 conflict - AG superblock geometry info conflicts with filesystem geometry bad sequence # 12 for agf 4 bad length 327680 for agf 4, should be 655104 bad sequence # 12 for agi 4 bad length # 327680 for agi 4, should be 655104 reset bad sb for ag 4 reset bad agf for ag 4 reset bad agi for ag 4 sb_fdblocks 28836636, counted 28509212 - found root inode chunk Phase 3 - for each AG... - scan and clear agi unlinked lists... - process known inodes and perform inode discovery... - agno = 0 - agno = 1 - agno = 2 - agno = 3 - agno = 4 - agno = 5 - agno = 6 - agno = 7 - agno = 8 - agno = 9 - agno = 10 - agno = 11 - agno = 12 - agno = 13 - agno = 14 - agno = 15 - agno = 16 - agno = 17 - agno = 18 - agno = 19 - agno = 20 - agno = 21 - agno = 22 - agno = 23 - agno = 24 - agno = 25 - agno = 26 - agno = 27 - agno = 28 - agno = 29 - agno = 30 - agno = 31 - agno = 32 - agno = 33 - agno = 34 - agno = 35 - agno = 36 - agno = 37 - agno = 38 - agno = 39 - agno = 40 - agno = 41 - agno = 42 - agno = 43 - agno = 44 - agno = 45 - agno = 46 - agno = 47 - agno = 48 - process newly discovered inodes... Phase 4 - check for duplicate blocks... - setting up duplicate extent list... - check for inodes claiming duplicate blocks... - agno = 0 - agno = 1 - agno = 2 - agno = 3 - agno = 4 - agno = 5 - agno = 6 - agno = 7 - agno = 8 - agno = 9 - agno = 10 - agno = 11 - agno = 12 - agno = 13 - agno = 14 - agno = 15 - agno = 16 - agno = 17 - agno = 18 - agno = 19 - agno = 20 - agno = 21 - agno = 22 - agno = 23 - agno = 24 - agno = 25 - agno = 26 - agno = 27 - agno = 28 - agno = 29 - agno = 30 - agno = 31 - agno = 32 - agno = 33 - agno = 34 - agno = 35 - agno = 36 - agno = 37 - agno = 38 - agno = 39 - agno = 40 - agno = 41 - agno = 42 - agno = 43 - agno = 44 - agno = 45 - agno = 46 - agno = 47 - agno = 48 Phase 5 - rebuild AG headers and trees... - reset superblock... Phase 6 - check inode connectivity... - resetting contents of realtime bitmap and summary inodes - traversing filesystem ... - traversal finished ... - moving disconnected inodes to lost+found ... Phase 7 - verify and correct link counts... done Thanks! Wes