操作系统安装在c2t6d0上,另一块盘c2t5d0做镜像盘,操盘系统版本:HP-UX 11.23。
# uname -a
HP-UX HP_B2600 B.11.11 U 9000/785 2009402417 unlimited-user license
# ioscan -fnkC disk ##k参数从内核scan,速度超快。
Class I H/W Path Driver S/W State H/W Type Description
=======================================================================
disk 0 10/0/14/0.0.0 sdisk CLAIMED DEVICE LITE-ON DVD SOHD-16P9S
/dev/dsk/c0t0d0 /dev/rdsk/c0t0d0
disk 2 10/0/15/0.5.0 sdisk CLAIMED DEVICE HP 146 GST3146807LC
/dev/dsk/c2t5d0 /dev/rdsk/c2t5d0
disk 1 10/0/15/0.6.0 sdisk CLAIMED DEVICE HP 146 GST3146807LC
/dev/dsk/c2t6d0 /dev/rdsk/c2t6d0
#swlist |grep MirrorDisk
B5403BA B.11.11 MirrorDisk/UX
#pvcreate -fB /dev/rdsk/c2t5d0
#vgextend /dev/vg00 /dev/dsk/c2t5d0
#vgdisplay -v vg00
#mkboot -l /dev/dsk/c2t5d0 #####为新的物理盘设置启动信息并写入LIF
#lifls -l /dev/rdsk/c2t5d0
#lifls -l /dev/rdsk/c2t6d0
#for i in 1 2 3 4 5 6 7 8
do
lvextend -m 1 /dev/vg00/lvol$i /dev/dsk/c2t5d0
done
#mkboot -a "hpux -lq(;0)/stand/vmunix" /dev/rdsk/c2t5d0
#lvlnboot -b /dev/vg00/lvol1
#lvlnboot -s /dev/vg00/lvol2
#lvlnboot -r /dev/vg00/lvol3
#lvlnboot -d /dev/vg00/lvol2
#setboot -p 10/0/15/0.5.0
#setboot -a 10/0/15/0.6.0
# shutdown -ry 0 ########重启验证镜像是否成功
取消磁盘镜像:
1.从逻辑卷中reduce要取消的磁盘
lvreduce -m 0 /dev/vg00/lvol1 /dev/dsk/c2t5d0
lvreduce -m 0 /dev/vg00/lvol2 /dev/dsk/c2t5d0
lvreduce -m 0 /dev/vg00/lvol3 /dev/dsk/c2t5d0
lvreduce -m 0 /dev/vg00/lvol4 /dev/dsk/c2t5d0
lvreduce -m 0 /dev/vg00/lvol5 /dev/dsk/c2t5d0
lvreduce -m 0 /dev/vg00/lvol6 /dev/dsk/c2t5d0
lvreduce -m 0 /dev/vg00/lvol7 /dev/dsk/c2t5d0
lvreduce -m 0 /dev/vg00/lvol8 /dev/dsk/c2t5d0
lvreduce -m 0 /dev/vg00/guan /dev/dsk/c2t5d0
2.从卷组中reduce要取消的磁盘
vgreduce /dev/vg00 /dev/dsk/c2t5d0
3.reboot操作系统,OK!
转自:http://hi.baidu.com/gss99999/blog/item/a2b22daf71e5c4fefaed50c4.html