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“multipath -ll”输出中的路径无效

tag-icon • tag-icon linux centos storage-area-network iscsi multipath
“multipath -ll”输出中的路径无效

我看到不再有效的路径和有效的路径。如何防止它们出现在输出中。我期望有四条有效路径。

该卷之前使用 LUN 13 导出，后来使用 14 导出，在下面的输出中显示为失败路径。该卷已从主机正确刷新，后来使用 LUN 12 导出到主机。在使用 LUN 12 导出之前，我确保“multipath -ll”输出中没有此卷。

root# multipath -ll
1703248.744611 | sdar: prio = const (setting: emergency fallback - alua failed)
1703248.745270 | sdas: prio = const (setting: emergency fallback - alua failed)
1703248.745918 | sday: prio = const (setting: emergency fallback - alua failed)
1703248.746573 | sdba: prio = const (setting: emergency fallback - alua failed)
1703248.747204 | sdbf: prio = const (setting: emergency fallback - alua failed)
1703248.747835 | sdbg: prio = const (setting: emergency fallback - alua failed)
mpathhl (1234567891bcdefg123456780911234ab) dm-0 ABC,FlashArray
size=7.0G features='0' hwhandler='1 alua' wp=rw
`-+- policy='round-robin 0' prio=50 status=active
  |- 29:0:0:12  sdan  66:112   active ready running
  |- 25:0:0:12  sdap  66:144   active ready running
  |- 30:0:0:12  sdaq  66:160   active ready running
  |- 13:0:0:12  sdaj  66:48    active ready running
  |- 29:0:0:13  sdar  66:176   failed faulty running
  |- 25:0:0:13  sdas  66:192   failed faulty running
  |- 30:0:0:13  sday  67:32    failed faulty running
  |- 29:0:0:14  sdba  67:64    failed faulty running
  |- 25:0:0:14  sdbf  67:144   failed faulty running
  `- 30:0:0:14  sdbg  67:160   failed faulty running

答案1

我发现了这个问题。

  1. 先前的多路径刷新尝试并未彻底完成。
  2. 刷新后，需要在 /sys/class/scsi_device/ 下清理相关设备引用。将设备设置为脱机，然后将其删除。

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