3379223 - LNX: File system shuts down due to SCSI reservation conflict

Server crashes with following errors in OS log (/var/log/messages).

Aug 27 07:52:59 abcdef123456 kernel: sd 10:0:5:105: reservation conflict    
Aug 27 07:52:59 abcdef123456 kernel: scsi_io_completion_action: 70 callbacks suppressed
Aug 27 07:52:59 abcdef123456 kernel: sd 10:0:5:105: [sdao] tag#43 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
Aug 27 07:52:59 abcdef123456 kernel: sd 10:0:5:105: [sdao] tag#43 CDB: Write(10) 2a 00 00 00 00 80 00 00 20 00
Aug 27 07:52:59 abcdef123456 kernel: print_req_error: 150 callbacks suppressed
Aug 27 07:52:59 abcdef123456 kernel: blk_update_request: critical nexus error, dev sdao, sector 128 op 0x1:(WRITE) flags 0x5200 phys_seg 2 prio class 0
Aug 27 07:52:59 abcdef123456 kernel: blk_update_request: critical nexus error, dev dm-15, sector 128 op 0x1:(WRITE) flags 0x1000 phys_seg 2 prio class 0
Aug 27 07:52:59 abcdef123456 kernel: XFS (dm-15): metadata I/O error in "xfs_buf_iodone_callback_error" at daddr 0x80 len 32 error 52

... ...

Aug 27 07:55:20 abcdef123456 kernel: sd 10:0:4:104: reservation conflict
Aug 27 07:55:20 abcdef123456 kernel: scsi_io_completion_action: 5 callbacks suppressed
Aug 27 07:55:20 abcdef123456 kernel: sd 10:0:4:104: [sdah] tag#66 FAILED Result: hostbyte=DID_OK driverbyte=DRIVER_OK cmd_age=0s
Aug 27 07:55:20 abcdef123456 kernel: sd 10:0:4:104: [sdah] tag#66 CDB: Write(16) 8a 00 00 00 00 00 c0 2d c7 48 00 00 00 08 00 00
Aug 27 07:55:20 abcdef123456 kernel: print_req_error: 20 callbacks suppressed
Aug 27 07:55:20 abcdef123456 kernel: blk_update_request: critical nexus error, dev sdah, sector 3224225608 op 0x1:(WRITE) flags 0x5a00 phys_seg 1 prio class 0
Aug 27 07:55:20 abcdef123456 kernel: blk_update_request: critical nexus error, dev dm-14, sector 3224225608 op 0x1:(WRITE) flags 0x1800 phys_seg 1 prio class 0
Aug 27 07:55:20 abcdef123456 kernel: XFS (dm-14): metadata I/O error in "xlog_iodone" at daddr 0xc02dc748 len 64 error 52
Aug 27 07:55:20 abcdef123456 kernel: XFS (dm-14): xfs_do_force_shutdown(0x2) called from line 1272 of file fs/xfs/xfs_log.c. Return address = 000000001b698705
Aug 27 07:55:20 abcdef123456 kernel: XFS (dm-14): Log I/O Error Detected. Shutting down filesystem

The storage related error (reservation conflict) occurs followed by the file system error.

This means the filesystem shuts itself down because of the underlying storage related errors. 

SAP system on Linux server

reservation conflict, critical nexus error, metadata I/O error, xfs_do_force_shutdown, shutting down filesystem , KBA , BC-OP-LNX , Linux , Problem