s5800TV2服务器报多路径降级(degrade)

发布时间:  2016-01-30 浏览次数:  187 下载次数:  0
问题描述

 s5800TV2服务器报多路径降级,并且查日志有:XMP_PATH_IO_NOT_STEADY 告警,多路径degrade

告警信息

查看多路径告警日志

Vlun ID      Disk               Name                        Lun WWN                Status  Capacity Ctrl(Own/Work)    Array Name  

    0         sdn          i620a9__lunqueue0     630d17e100ec4995bb7222990000000d  Degraded 100.00GB       0B/0B       Huawei_S5800Ta

4         sdr          i620a9__lunqlog0      630d17e100ec4995bb7223250000000e  Degraded 100.00GB       0A/0A       Huawei_S5800Ta

 [1527][2016-01-05 17:00:20:899370][000053421a300d0e][INFO][EVENT][LPM_PhyPathNotSteadyStart][3342][3][210235854110E6000001][5]Physical path becomes notsteady degrade: Initiator WWN {10000090fa9f3365}, Target WWN {200830d17eec4995}.

[1540][2016-01-05 17:00:21:103867][000053421a300d0e][INFO][EVENT][LPM_PhyPathNotSteadyStart][3342][3][210235854110E6000001][5]Physical path becomes notsteady degrade: Initiator WWN {10000090fa9f3365}, Target WWN {220030d17eec4995}.

[1555][2016-01-05 17:00:21:305288][000053421a300d0e][INFO][EVENT][LPM_PhyPathNotSteadyStart][3342][3][210235854110E6000001][5]Physical path becomes notsteady degrade: Initiator WWN {10000090fa9f3365}, Target WWN {201830d17eec4995}.

[1570][2016-01-05 17:00:21:504351][000053421a300d0e][INFO][EVENT][LPM_PhyPathNotSteadyStart][3342][3][210235854110E6000001][5]Physical path becomes notsteady degrade: Initiator WWN {10000090fa9f3365}, Target WWN {221030d17eec4995}

  多路径日志有报错日志

[26695][2015-12-11 09:39:38:444939][0000534205370379][INFO][LPM][LPM_PingSyncPhyPathIoStateToLogicPath][889]all path of phypath {4} set iostatus to {XMP_PATH_IO_NOT_STEADY}.

[26708][2015-12-11 09:39:39:132926][0000534205370379][INFO][LPM][LPM_PingSyncPhyPathIoStateToLogicPath][889]all path of phypath {5} set iostatus to {XMP_PATH_IO_NOT_STEADY}.

[26722][2015-12-11 09:39:39:412176][0000534205370379][INFO][LPM][LPM_PingSyncPhyPathIoStateToLogicPath][889]all path of phypath {6} set iostatus to {XMP_PATH_IO_NOT_STEADY}.

[26738][2015-12-11 09:39:40:655176][0000534205370379][INFO][LPM][LPM_PingSyncPhyPathIoStateToLogicPath][889]all path of phypath {7} set iostatus to {XMP_PATH_IO_NOT_STEADY}.

[1528][2016-01-05 17:00:20:899394][0000534205370379][INFO][LPM][LPM_PingSyncPhyPathIoStateToLogicPath][889]all path of phypath {0} set iostatus to {XMP_PATH_IO_NOT_STEADY}.

[1541][2016-01-05 17:00:21:103894][0000534205370379][INFO][LPM][LPM_PingSyncPhyPathIoStateToLogicPath][889]all path of phypath {1} set iostatus to {XMP_PATH_IO_NOT_STEADY}.

[1556][2016-01-05 17:00:21:305314][0000534205370379][INFO][LPM][LPM_PingSyncPhyPathIoStateToLogicPath][889]all path of phypath {2} set iostatus to {XMP_PATH_IO_NOT_STEADY}.

[1571][2016-01-05 17:00:21:504379][0000534205370379][INFO][LPM][LPM_PingSyncPhyPathIoStateToLogicPath][889]all path of phypath {3} set iostatus to {XMP_PATH_IO_NOT_STEADY}.

处理过程

从多路径日志看,有多次LUN移除再添加映射的打印 ,与客户确认客户多次对LUN取消映射、添加映射操作,多路径机制如果在30分钟内出现3次以上取消lun的操作,链路就会变成降级状态。

根因

如果在30分钟内出现3次以上取消lun的操作,链路就会变成降级状态。

解决方案
如果在30分钟内出现3次以上取消lun的操作,链路就会变成降级状态。
建议与总结

重新映射lun,隔一段时间路径没问题,状态会自动变Normal.

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