SCSI error: return code = 0x00010000 错误
Issue
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'kernel: sd h:c:t:l: SCSI error: return code = 0x00010000' 错误:
May 22 23:50:10 localhost kernel: Device sdb not ready. May 22 23:50:10 localhost kernel: end_request: I/O error, dev sdb, sector 0 May 22 23:50:10 localhost kernel: SCSI error : <0 0 2 14> return code = 0x10000
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RHEL 服务器上出现 SAN 访问问题,
/var/log/messages
包括以下信息:May 5 04:15:00 localhost kernel: sd 3:0:1:42: Unhandled error code May 5 04:15:00 localhost kernel: sd 3:0:1:42: SCSI error: return code = 0x00010000 May 5 04:15:00 localhost kernel: Result: hostbyte=DID_NO_CONNECT driverbyte=DRIVER_OK,SUGGEST_OK
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在设备的 mapper multipath 中,一些路径出现错误并无法使用。日志中包括了一些事件(
tur checker reports path is down
),multipath -ll
输出显示一些路径出现故障:[root@example ~]# multipath -ll sdb: checker msg is "tur checker reports path is down" mpath0 (2001738006296000b) dm-8 IBM,2810XIV [size=200G][features=1 queue_if_no_path][hwhandler=0][rw] \_ round-robin 0 [prio=3][active] \_ 2:0:0:1 sda 8:0 [active][ready] \_ 2:0:1:1 sdb 8:16 [failed][faulty] \_ 4:0:8:1 sdc 8:32 [active][ready] \_ 4:0:9:1 sdd 8:48 [active][ready]
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一个 SAN director 出现故障,因为 lpfc 丢失了设备,系统出现 panice。
Environment
- Red Hat Enterprise Linux 5
- Red Hat Enterprise Linux 6
- Red Hat Enterprise Linux 7
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