根据如下要求,创建新的VDO卷:
1)使用未分区的磁盘(/dev/vdc)
2)此VDO卷的名称为myvdo
3)此VDO卷的逻辑大小为50G
4)此VDO卷使用xfs文件系统格式化
5)此VDO卷在系统启动时自动挂载到/vblock目录下
[root@serverb ~]# vdo create --name=myvdo --device=/dev/vdc --vdoLogicalSize=50G
# 命令man vdo 找example
Creating VDO myvdo
Starting VDO myvdo
Starting compression on VDO myvdo
VDO instance 0 volume is ready at /dev/mapper/myvdo
[root@serverb ~]# mkfs.xfs /dev/mapper/myvdo
[root@serverb ~]# vim /etc/fstab
/dev/mapper/myvdo /vblock xfs defaults,x-systemd.requires=vdo.service 0 0
[root@serverb ~]# mount -a
[root@serverb ~]# df -h /vblock
Filesystem Size Used Avail Use% Mounted on
/dev/mapper/myvdo 50G 390M 50G 1% /vblock
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