unixadmin.free.fr Handy Unix Plumbing Tips and Tricks

IMPORTVG AIX 5.3 VG to AIX 5.2 and AIX 5.1

Only for ORIGINAL and BIG vg , because SCALABLE VG cannot be imported to AIX 5.2

By default, AIX 5L Version 5.3 creates VGs with a variable LTG size. If you want to import it to a previous release of AIX, you first need to disable the variable LTG by using the -I option for mkvg or chvg and then do a varyoffvg followed by exportvg, otherwise the importvg command on the previous release fails.

–I

Modifies the volume group so that it can be imported to AIX 5.1 and AIX 5.2. The LTGSize will behave as if the volume group had been created prior to AIX 5.3. This operation might fail if the volume group contains striped logical volumes whose stripe size is larger than the supported stripe size on AIX 5.1 or AIX 5.2. If logical volumes are later created with a stripe width that is larger than the supported stripe width on AIX 5.1 or AIX 5.2, then attempting to import the volume group back to AIX 5.1 or AIX 5.2 is not supported.