I was recently tasked with configuring multipathing in Citrix XenServer 5.5 for use with an IBM DS4800 SAN. At first glance I thought, piece of cake, I’ve done quite a few setups like this with Dell, EMC, and HP storage gear so the IBM should be the same right? WRONG!
The HP MSA is a fairly popular storage device with a good feature set for small to medium sized organizations. It makes use of the familiar HP Array Configuration Utility for configuration but its front panel leaves something to be desired. I was able to obtain a document from HP support the details exactly what all of those blinking indicators really mean.