SAN issue causing server hang
Issue
-
There was a SAN fabric issue which caused one of the production server hang, at the time of issue, there were following messages logged on console:
Jul 23 9:18:42 host1 kernel: lpfc 0000:90:00.0: 1:(0):0749 SCSI Layer I/O Abort Request Status x2002 ID 0 LUN 24 snum 0x64cee3d Jul 23 9:18:51 host1 kernel: lpfc 0000:9:00.0: 0:(0):0730 FCP command x12 failed: x0 SNS x0 x0 Data: x8 x100 x0 x0 x0 Jul 23 9:18:51 host1 kernel: lpfc 0000:9:00.0: 0:(0):0730 FCP command x12 failed: x0 SNS x0 x0 Data: x8 x100 x0 x0 x0 Jul 23 9:18:51 host1 kernel: lpfc 0000:9:00.0: 0:(0):0730 FCP command x12 failed: x0 SNS x0 x0 Data: x8 x100 x0 x0 x0 Jul 23 9:18:51 host1 kernel: lpfc 0000:9:00.0: 0:(0):0730 FCP command x12 failed: x0 SNS x0 x0 Data: x8 x100 x0 x0 x0 Jul 23 9:18:51 host1 kernel: lpfc 0000:9:00.0: 0:(0):0730 FCP command x12 failed: x0 SNS x0 x0 Data: x8 x100 x0 x0 x0 Jul 23 9:18:52 host1 kernel: lpfc 0000:90:00.0: 1:0729 FCP cmd x0 failed <0/60> status: x3 result: x16 Data: x19 xd7b Jul 23 9:18:52 host1 kernel: lpfc 0000:90:00.0: 1:0710 Iodone <0/60> cmd ffff810778ba9500, error xd0000 SNS x0 x0 Data: x0 x0 Jul 23 9:18:52 host1 kernel: lpfc 0000:90:00.0: 1:(0):0749 SCSI Layer I/O Abort Request Status x2002 ID 0 LUN 60 snum 0x64cee3b Jul 23 9:19:01 host1 logger: mpio_path_drop.sh: 'SCSI Layer I/O Abort' found under 0000:90:00.0. [...] Jul 23 9:19:13 host1 kernel: lpfc 0000:9:00.0: 0:(0):0730 FCP command x12 failed: x0 SNS x0 x0 Data: x8 xdf x0 x0 x0 Jul 23 9:19:14 host1 kernel: lpfc 0000:9:00.0: 0:0729 FCP cmd x2a failed <0/17> status: x1 result: x0 Data: x3e1 x103f Jul 23 9:19:14 host1 kernel: lpfc 0000:9:00.0: 0:(0):0730 FCP command x2a failed: x2 SNS x70000600 x29000000 Data: xa x2000 x12 x0 x0 Jul 23 9:19:14 host1 kernel: lpfc 0000:9:00.0: 0:0710 Iodone <0/17> cmd ffff8106a63a3980, error x2 SNS x60070 x29 Data: x0 x2000 Jul 23 9:19:14 host1 kernel: lpfc 0000:9:00.0: 0:0729 FCP cmd x2a failed <0/32> status: x1 result: x0 Data: x36a x8f6 [...]
Environment
- Red Hat Enterprise Linux 6
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