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Operating Systems AIX disk space shortage, how to migrate to LVM? Post 302302201 by zaxxon on Monday 30th of March 2009 10:22:35 AM
Old 03-30-2009
Afaik you always have LVM under AIX. You can easy enlarge the FS/LV with it online. It will grab space from unused PP from your VG.

Example:
Code:
chfs -a size=+100M /home        # adds 100 MB of space to the FS/LV

Mounting mountpoints into other mountpoints is not a good style. You can get trouble with mount orders etc. especially in cluster environments when you have loads of those.
 

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pvremove(1M)															      pvremove(1M)

NAME
pvremove - remove LVM data structure from a physical volume SYNOPSIS
DESCRIPTION
The command clears the LVM data structure on a disk, so that it is no longer an LVM physical volume. The device may then be used by the file system or by other volume managers. The operation is denied if pv_path is assigned to a volume group. The command only clears the LVM data structure on a disk if the disk does not belong to a volume group. This avoids accidentally removing a valid physical volume under a volume group. If the physical volume to be removed belongs to a volume group, use the command to first remove the volume group associated with the physical volume. Arguments recognizes the following arguments: pv_path The character (raw) device path name of a physical volume. EXTERNAL INFLUENCES
Environment Variables determines the language in which messages are displayed. If is not specified or is null, it defaults to "C" (see lang(5)). If any internationalization variable contains an invalid setting, all internationalization variables default to "C" (see environ(5)). EXAMPLES
Remove LVM data structure on the physical volume SEE ALSO
lvremove(1M), vgremove(1M), intro(7), lvm(7). pvremove(1M)
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