Ever since the release day of XenServer 5, I have been trying to upgrade my two hosts. This should have been a painless task taking less than an hour.
My first problem was that the documented uprade method was wrong... rather than putting a host into maintenance mode, all the VMs had to be moved to a pool member from the pool master and then the pool master had to be upgraded first.
The problem I then hit was that one of my storage repositories (SRs) would not reconnect. The full account is documented here but basically, the XenServer hosts decided that the LUN was wrong.
I have now got that fixed and it's all running smoothly. I activated the new HA features - how easy? Clickity click and it was done!
The new performance monitoring is amazing and everything seems good.
Time to virtualise some more servers I think ;-)
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