Verifying the LV is mirrored Do lslv LVnameand look at the LVs and PPs, and the ‘copies’ value. If the LV is not mirrored, the copies = 1. If the value is higher than one, the following formula applies: Copies x LVs = # Pps. Example: 2 copies with 5 LVs should have a PP…
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Replacing a Physical Disk
Contents Replacing a physical disk OS layer GOTCHA Physical disk layer OS post-install steps Troubleshooting 552 error MPIO SETTINGS Replacing a physical disk OS layer First step is to remove the disk from the O/S layer. In this example, hdisk1 is removed: unmirrorvg rootvg hdisk1 reducevg rootvg hdisk1 bootlist -m normal hdisk0 (to remove it…
File System Resizing
When dealing with a JFS or JFS2 filesystem to resize in AIX, it is necessary to determine which volume group requires resizing. Here will be an example from server1, adding space to filesystem /server1/data: Type df to get a list of all mount points and their sizes: server1:/roothome# df Filesystem 512-blocks Free %Used Iused %Iused…