AIX vg新增PV并扩容文件系统

文件系统扩容实施方案

查看信息状态

1. 查看lv状态和信息

lslv lv_name

2. 根据lv_name查看所在vg并查看vg信息

lsvg vg_name

3. 根据lv、vg信息满足增加新盘并完成系统扩容

扩容方案步骤

1. 扫描刷新设备

cfgmgr -v

2. 查看新盘状态

lspv

3. 查看磁盘大小

bootinfo -s hdiskX

4. 把新盘添加到所需vg中

extendvg vg_name hdiskX1 hdiskX2


0516-1254 extendvg: Changing the PVID in the ODM.
0516-1254 extendvg: Changing the PVID in the ODM.
0516-1162 extendvg: Warning, The Physical Partition Size of 128 requires the
        creation of 1093 partitions for hdisk2. The limitation for volume group
        rootvg is 1016 physical partitions per physical volume. Use chvg command
        with -t option to attempt to change the maximum Physical Partitions per
        Physical volume for this volume group.
0516-1162 extendvg: Warning, The Physical Partition Size of 128 requires the
        creation of 1093 partitions for hdisk3. The limitation for volume group
        rootvg is 1016 physical partitions per physical volume. Use chvg command
        with -t option to attempt to change the maximum Physical Partitions per
        Physical volume for this volume group.
0516-792 extendvg: Unable to extend volume group.

如报错执行下列命令
#chdev -l hdisk2 -a pv=yes
#chdev -l hdisk3 -a pv=yes

5. 文件系统扩容

chfs -a size=+500G /u01