求解:HPUX多路径问题

教程发布:风哥 教程分类:ITPUX技术网 更新日期:2022-02-12 浏览学习:33

上周坏了块卡两条链路/dev/dsk/c44t0d3, /dev/dsk/c45t0d3断了,剩余 Alternate Link /dev/dsk/c42t0d3 ,/dev/dsk/c43t0d3并没有接管LUN,致使卷组宕掉!
请问如何使路径从主路径切换到备用路径,用什么命令测试冗余链路可用性?
--- Physical volumes ---

PV Name /dev/dsk/c44t0d3
PV Name /dev/dsk/c45t0d3 Alternate Link
PV Name /dev/dsk/c42t0d3 Alternate Link
PV Name /dev/dsk/c43t0d3 Alternate Link
PV Status available
Total PE 19197
Free PE 4480
Autoswitch On

DB-1#[/]pvdisplay /dev/dsk/c44t0d3
--- Physical volumes ---
PV Name /dev/dsk/c44t0d3
PV Name /dev/dsk/c45t0d3 Alternate Link
PV Name /dev/dsk/c42t0d3 Alternate Link
PV Name /dev/dsk/c43t0d3 Alternate Link
VG Name /dev/datavg
PV Status available
Allocatable yes
VGDA 2
Cur LV 5
PE Size (Mbytes) 16
Total PE 19197
Free PE 4480
Allocated PE 14717
Stale PE 0
IO Timeout (Seconds) default
Autoswitch On

DB-1#[/]pvdisplay /dev/dsk/c42t0d3
Device file path "/dev/dsk/c42t0d3" is an alternate path
to the Physical Volume. Using Primary Link "/dev/dsk/c44t0d3".
--- Physical volumes ---
PV Name /dev/dsk/c44t0d3
PV Name /dev/dsk/c45t0d3 Alternate Link
PV Name /dev/dsk/c42t0d3 Alternate Link
PV Name /dev/dsk/c43t0d3 Alternate Link
VG Name /dev/datavg
PV Status available
Allocatable yes
VGDA 2
Cur LV 5
PE Size (Mbytes) 16
Total PE 19197
Free PE 4480
Allocated PE 14717
Stale PE 0
IO Timeout (Seconds) default
Autoswitch On

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