linux如何创建卷组？

1．创建一个物理卷Pvcreate/dev/sd1/dev/sd2/dev/sd3/dev/sd42．用刚才创建的物理卷创建一个卷组Vgcreate卷组名/dev/sd1/dev/sd2/dev/sd3/dev/sd43．创建逻辑卷Lvcreate-L(size)-n(name)卷组名4．创建文件系统Mkfs.ext3逻辑卷名(/dev/卷组名/逻辑卷名)创建挂载点mkdir/namemount/dev/卷组名/逻辑卷名/挂载点pvcreate/dev/emcpowers1/dev/emcpowerq1/dev/emcpowerp1/dev/emcpowerr1vgcreatebackupvg/dev/emcpowers1/dev/emcpowerq1/dev/emcpowerp1/dev/emcpowerr1lvcreate–L790G–nbackuplvbackupvgmkfs.ext3/dev/mapper/backupvg-backuplvmkdir/backupdbmount/dev/mapper/backupvg-backuplv/backupdb