http://www.aixchina.net/home/space.php?uid=15081&do=blog&id=27419 参考一下
LINUX如何做LVM级别的EXPORT,IMPORTVG的操作!LINUX如何做LVM级别的EXPORT,IMPORTVG的操作!
环境:
一台SUSE,下挂二个VG;
一台RHAS4.4;
要求:
把SUSE下挂的VG,导入至RHAS来。
操作:
1,检查原系统和共享VG相差的参数;
#vgdisplay
emcpower3 type:lvm2 ppsize=4m vg size=3.12T
emcpower2 type:lmv2 ppsize=4m vg size=3.12T
#pvdisplay
emcpower3 include sdaf1,sdo1
emcpower2 include sdau1,sdae1,sdp1,sdav1
#lvdisplay
/dev/emcpower2/emclv1
/dev/emcpower3/emclv2
#mount
/dev/emcpower2/emclv1 /home/ccbecm1
/dev/emcpower3/emclv2 /home/ccbecm2
#vi /etc/fstab
#/dev/emcpower2/emclv1 /home/ccbecm1 ext3 default 1 0
#/dev/emcpower3/emclv2 /home/ccbecm2 ext3 default 1 0
2,SUSE下,exportvg操作:
#umount /home/ccbecm1
#umount /home/ccbecm2
#vgchange -a n emcpower2
#vgchange -a n emcpower3
#vgexport emcpower2
#vgexport emcpower3
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3,EMC把LUN号划给新的RHAS机器:
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4,RHAS下,importvg的操作:
#pvscan
to check pv in
#vgscan
to check vg in
#vgimportvg emcpower2 /dev/sdaf1 /dev/sdo1
#vgimportvg emcpower3 /dev/sdau1 /dev/dsae1 /dev/sdp1 /dev/sdav1
#vgdisplay
#lvdisplay
发现lv状态为not available
#vgchange -a y emcpower2
#vgchange -a y emcpower3
#lvdisplay
发现lv状态available
#mount /dev/emcpower2/emclv1 /home/ccbecm1
#mount /dev/emcpower3/emclv2 /home/ccbecm2
#vi /etc/fstab
/dev/emcpower2/emclv1 /home/ccbecm1 ext3 default 1 0
/dev/emcpower3/emclv2 /home/ccbecm2 ext3 default 1 0