Recently I had to copy around 13GB of data from one system over to another. However, after copying the files across and running a du on the file folder it was quite different in size. The target folder was showing as being over 16GB for the same data. Delving further into the file structure coupled…
Category: AIX
Restoring the PVID from an accidently wiped physical volume
Recently some disks had their PVIDs wiped accidentally. If you have the original PVIDs, they can be restored without too much trouble (and averting a restoration process). The steps for a VIOS/VIOC compared to an AIX system are similar. In the case of a VIOS, there are a couple more steps involved. To replace the…
Perl giving out of memory errors when installing a package
Noticed the other day that CPAN was out of date. When attempting to update it with: cpan install Bundle::CPAN it errors out with an “out of memory” message. This is typically caused on AIX because of hitting a ulimit. If you run ulimit -a it should show you the current settings. Try setting the memory…