Symptoms:
- RHEL and Ubuntu Guest OS failure may be seen when fstrim command is triggered from OS side
- /var/log/messages
Oct 12 21:15:32 <name> kernel: sd 0:0:1:0: [sdb] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
Oct 12 21:15:32 <name> kernel: sd 0:0:1:0: [sdb] Sense Key : Vendor Specific(9) [current]
Oct 12 21:15:32 <name>kernel: sd 0:0:1:0: [sdb] <<vendor>>ASC=0x80 <<vendor>>ASCQ=0x85
Oct 12 21:15:32 <name> kernel: sd 0:0:1:0: [sdb] CDB: Write same(16) 93 08 00 00 00 00 06 1e b2 58 00 00 20 00 00 00
Oct 12 21:15:32 <name> kernel: blk_update_request: I/O error, dev sdb, sector 102675032
Oct 12 21:15:32 <name> kernel: sd 0:0:1:0: [sdb] FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_SENSE cmd_age=0s
Oct 12 21:15:32 <name> kernel: sd 0:0:1:0: [sdb] Sense Key : Vendor Specific(9) [current]
Oct 12 21:15:32 <name> kernel: sd 0:0:1:0: [sdb] <<vendor>>ASC=0x80 <<vendor>>ASCQ=0x85
Oct 12 21:15:32 <name> kernel: sd 0:0:1:0: [sdb] CDB: Write same(16) 93 08 00 00 00 00 06 1e d2 58 00 00 20 00 00 00
Oct 12 21:15:32 <name> kernel: blk_update_request: I/O error, dev sdb, sector 102683224
Oct 12 21:15:32 <name> kernel: XFS (dm-8): discard failed for extent [0x2bdb0d,7], error -5