How can I boot a vm on Hyper-V 2012 when it has a virtual hard-drive missing?

Posted by Zone12 on Server Fault See other posts from Server Fault or by Zone12
Published on 2012-12-04T02:21:46Z Indexed on 2012/12/04 5:06 UTC
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virtual-disk

We have a Hyper-V 2012 server with 8 VM's on. We have attached extra virtual hard-drives to each of the computers to store backups on. These drives are stored on a NAS.

After a power failure, we tried to boot the VM's and found that they couldn't be booted without the attached backup drives. We couldn't boot the NAS at that point and so we had to remove all the extra drives manually, boot the VM's and re-attach the drives at a later date when we got the NAS back up and running.

These backup drives are non-essential to the running of the system.

I would like to know if there is a way to boot a VM on Hyper-V 2012 with some of the hard-drives (scsi) missing so that we can recover automatically from a power failure.

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