在线扩容LV卷

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1.登陆VC，添加硬盘##

2.登陆到Linux主机##

3.在线扫盘##

[root@cnsz22pl0074:/root]# echo "- - -" > /sys/class/scsi_host/host0/scan
[root@cnsz22pl0074:/root]# echo "- - -" > /sys/class/scsi_host/host1/scan
[root@cnsz22pl0074:/root]# echo "- - -" > /sys/class/scsi_host/host2/scan

4.查看磁盘状态##

[root@cnsz22pl0074:/root]# fdisk  -l | grep ^Disk

5.创建PV##

[root@cnsz22pl0074:/root]# pvcreate /dev/sdd

6.扩容VG##

[root@cnsz22pl0074:/root]# vgextend VolGroup00 /dev/sdd

7.扩容LV##

[root@cnsz22pl0074:/root]# lvextend -l +100%FREE /dev/mapper/VolGroup00-LVapp
[root@cnsz22pl0074:/root]# lvextend -L +100g /dev/mapper/VolGroup00-LVapp

8.格式化##

[root@cnsz22pl0074:/root]# resize2fs /dev/mapper/VolGroup00-LVapp

9.检查状态##

[root@cnsz22pl0074:/root]# df -h