![](https://static.youtibao.com/asksite/comm/h5/images/m_q_title.png)
将新的物理卷/dev/sdb添加到现有卷组data中使用的命令是()。
A.vgreduce data /dev/sdb
B.vgcreate data /dev/sdb
C.vgadd data /dev/sdb
D.vgextend data /dev/sdb
![](https://static.youtibao.com/asksite/comm/h5/images/solist_ts.png)
A.vgreduce data /dev/sdb
B.vgcreate data /dev/sdb
C.vgadd data /dev/sdb
D.vgextend data /dev/sdb
A.只有使用vgcreate或者vgextend将磁盘添加到卷组中,pvdispaly才有可能输出空信息
B.默认的物理扩展大小为8KB
C.在根卷组中至少有2块磁盘
D.HP-UN11.0中,文件最大为4GB
A.vgdisplay/dev/vgmyvol
B.pvdispaly/dev/vgmyvol
C.lvdisplay/dev/vgmyvol
D.vgshow/dev/vgmyvol
A.pvcreate -f /dev/rdsk/c0t0d0
B.pvcreate –f /dev/dsk/c0t0d0
C.pvcreate -B /dev/dsk/c0t0d0
D.pvcreate -F vxfs /dev/dsk/c0t0d0
A.resize2fs/dev/vg0/lv1
B.lvextend-L+10G/dev/vg0/lv1
C.resize2fslv1
D.lvextend-add10G/dev/vg0/lv1
A.lvcreate -n lvswap -l 20 /dev/vg01
B.lvcreate -name lvswap -L 20 /dev/vg01
C.lvcreate -n lvswap -L 20 /dev/vg01
D.lvcreate -l 20 /dev/vg01 -n lvswap
A.lvresize+500M/dev/vg01/data01/
B.lvresize/dev/vg01/data01/500M
C.lvextend+500M/dev/vg01/data01/
D.lvextend-L+500M/dev/vg01/data01/
A.vgcreatedatavg/dev/sdb
B.mkfs.ext4/dev/datavg/test
C.lvcreate一L3G一ntestdatavg
D.pvcreate/dev/sdb
A.mdadm-D/dev/md0
B.mdadm/dev/md0-f/dev/sdb
C.mdadm-Cv/dev/md0
D.mkdir/RAID