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Rescan Storage on Live Systems?

robFeb 20 2013 — edited Mar 4 2013

Good Morning-

I just had a disturbing conversation with a Senior OVM Manager. I've had an SR open for a few days (the second SR on this issue) about a storage rescan (looking for new Fibre Channel LUNs presented) causing OVS servers to reboot. I did a rescan and then the servers rebooted, killing all their guests.

The manager just told me that this is expected behavior. If you have any IO going on on the system and initiate a rescan, it may cause a reboot. In order to mitigate this, you need to shut down your entire environment every time you add or remove storage.

I have requested documentation backing up this assertion and haven't gotten it yet. Am I crazy to think this answer is blatantly incorrect? Are people actually bringing their entire environment offline to add or remove storage?

This is 2013, right? :-)

Rob

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Locked on Apr 1 2013

Added on Feb 20 2013

#oracle-virtualization, #oracle-vm-server-for-x86, #ovm

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