在線擴容LV卷

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1.登陸VC，添加硬盤##

2.登陸到Linux主機##

3.在線掃盤##

[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.查看磁盤狀態##

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

5.創建PV##

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

6.擴容VG##

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

7.擴容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.檢查狀態##

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