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I'm currently running XenServer 6.5 on seven Dell PowerEdge Blade Servers. I'm looking to upgrade to XenServer 7.1. From what I've read online the upgrade is pretty simple - download the iso, reboot the server, boot from the iso and select the upgrade option.

You must start with the master server first then proceed with the others. Is the upgrade this straight forward? Has anybody carried out this update and ran into unforeseen issues (update fails, errors, problems with storage repositories, etc.)? I'm just trying to get an idea of what to expect, or possibly expect, when I take this on. Thanks!

jrd1989
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I tried upgrading the XenServer. Results are as expected, all VMs are up and running. However, it would be better if you gracefully shut down all the VMs running on the servers, upgrade the master and then power those on.

The upgrade process is so simple as you mentioned. You will not face any problem there.

Amit24x7
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I had problem with a Storage Repositories. Not a fatal error, but later on it got a citrix kb related to that bug.

The XenServer missused it’s SSH connection to the SAN iSCSI hardware, thus limiting how much power on/power off that could be made. Sometime a power on could last stale for 30m, when a SSH session was reused then the power on finished.

A manual script was needed to make it work. I updated the storage unit and the xenserver and the problem went away.

It’s the only bug I encountered while upgrading, except that it was flawless like ESX.

yagmoth555
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