AIX 6.1物理卷PP超限的问题

Posted by: JiaLiang Liao 14 years, 11 months ago

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今天安装好AIX 6.1以后，想把另外一块硬盘也添加到rootvg中，运行命令后报错：

# extendvg rootvg hdisk0
0516-1162 extendvg: Warning, The Physical Partition Size of 128 requires the
        creation of 1093 partitions for hdisk0.  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.

根据提示，查看chvg命令的帮助发现：

-t 2
    If the volume group is created in AIX 4.1.2 in violation of 1016 physical 
partitions per physical volume limit, this flag can be used to
    convert the volume group to a supported state. This will ensure proper 
stale/fresh marking of partitions.

因为这台服务器之前安装的是AIX 5.3，而重新安装6.1时，并未重建PV，所以会有1016个PP的限制，根据提示将VG更新到支持最大2032个PP。

# chvg -t 2 rootvg
0516-1164 chvg: Volume group rootvg changed.  With given characteristics rootvg
        can include upto 16 physical volumes with 2032 physical partitions each.

再次添加PV成功：

# extendvg rootvg hdisk0

# lspv 
hdisk0          0002a50208bf91c7                    rootvg          active
hdisk1          0002a502955dd6bc                    rootvg          active

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