Mike Conigliaro

When in Doubt, Restart the Xen Toolstack

I’ve had a few really strange Xen problems that I was only able to resolve by doing a rolling-reboot of the individual Xen hosts. This was a real pain in the ass, but now I’ve discovered a way to restart the Xen toolstack without affecting the running VMs:

xe-toolstack-restart

Note that you sometimes need to run this command on the master in your pool rather than the actual XenServer(s) having problems.

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