Month: <span>October 2009</span>

Increasing our storage provision

During the summer we started getting tight on storage availability. It seems that usage on our home directory areas constantly increases – people never delete stuff (me included!). We were running most of our stuff through our Veritas Cluster from a pair of Sun 3511 arrays and a single 3510 array. Between them (taking mirroring in to account) we had …


Getting the indexes right for OpenLDAP when using NSS

I recently deployed a Linux system which used the libnss-ldap module to get its passwd and group information. This all worked fine except group lookups (in particular when logging in) which were extremely slow. We have about 600 groups in our directory, which isn’t massive, but is more than the average system. Clearly this wasn’t right. Initially I tried nscd, …