标题: san switch级联后,PV故障 [打印本页] 作者: tianxiay2ren 时间: 2010-09-02 09:25 标题: san switch级联后,PV故障 san switch级联后,原有VG中的一个lv无法mount,
经检查,为VG中的一个PV有问题.
详细信息如下:
vgdisplay中:
--- Physical volumes ---
PV Name /dev/dsk/c10t4d1
PV Name /dev/dsk/c10t4d2 Alternate Link
PV Name /dev/dsk/c11t4d1 Alternate Link
PV Name /dev/dsk/c11t4d2 Alternate Link
PV Status available
Total PE 2184
Free PE 0
Autoswitch On
Proactive Polling On
也就是说,c10t4d2本来是另外一块不同的盘,但被系统认成了c10t4d1的另一条路径.作者: tianxiay2ren 时间: 2010-09-02 09:58
#pvdisplay -v /dev/dsk/c10t4d2 |more
Device file path "/dev/dsk/c10t4d2" is an alternate path
to the Physical Volume. Using Primary Link "/dev/dsk/c10t4d1".
--- Physical volumes ---
PV Name /dev/dsk/c10t4d1
PV Name /dev/dsk/c10t4d2 Alternate Link
PV Name /dev/dsk/c11t4d1 Alternate Link
PV Name /dev/dsk/c11t4d2 Alternate Link
VG Name /dev/br_testvg
PV Status available
Allocatable yes
VGDA 2
Cur LV 1
PE Size (Mbytes) 32
Total PE 2184
Free PE 0
Allocated PE 2184
Stale PE 0
IO Timeout (Seconds) default
Autoswitch On
Proactive Polling On
--- Distribution of physical volume ---
LV Name LE of LV PE for LV
/dev/br_testvg/lv_brtest 2184 2184
--- Physical extents ---
PE Status LV LE
00000 current /dev/br_testvg/lv_brtest 00000
00001 current /dev/br_testvg/lv_brtest 00001