1.添加硬盘
2.扫描硬盘
[[email protected] ~]# echo “- - -” >>/sys/class/scsi_host/host0/scan
[[email protected] ~]# echo “- - -” >>/sys/class/scsi_host/host1/scan
[[email protected] ~]# echo “- - -” >>/sys/class/scsi_host/host2/scan
3.查看扫描出的硬盘
4.分区fdisk /dev/sdb
5.在线读取硬盘，无需重启
[[email protected] ~]# partprobe
6.创建pv、扩vg、lv组
[[email protected] ~]# pvcreate /dev/sdb1
之前的vg大小
[[email protected] ~]# vgextend vg_oracle /dev/sdb1
之前的lv大小以及名称
[[email protected] ~]# lvextend /dev/vg_oracle/LogVol01 /dev/sdb1
扩容后
硬盘格式化
[[email protected] ~]# resize2fs /dev/vg_oracle/LogVol01
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