A.从底层硬盘至用户文件空间,管理顺序为:磁盘PE--物理卷PV--卷组VG
B.卷组VG包括1个或多个物理卷PV
C.LV逻辑卷空间可以跨多个物理卷
D.对逻辑卷进行缩容操作,其丢失数据的风险比扩容逻辑卷小
A.lslv-l datavg
B.lsvg-l datavg
C.lsvg-p datavg
D.lsvg datavg
A.metainitd121c0t0d0s01c0t1d0s0
B.metainitd112c0t0d0s0c0t1d0s0-i32k
C.metainitd12c0t0d0s0c0t1d0s0-i32k
D.metainitd11c0t0d0s0c0t1d0s0
A.vgreduce data /dev/sdb
B.vgcreate data /dev/sdb
C.vgadd data /dev/sdb
D.vgextend data /dev/sdb