Hi,

You cannot put a storage domain to maintenance if you have running VMs
using disks located in this domain.
Putting a storage domain to maintenance will disconnect all hosts from the
storage backend (NFS :unmount, ISCSI: iscsiadm -m session -r <sessionId>)-u)

Regards,

Freddy

On Sun, May 14, 2017 at 1:12 PM, Troels Arvin <tro...@arvin.dk> wrote:

> Hello,
>
> I would like to make use of the new ovirt feature where a LUN may be
> removed from a storage domain, provided there's enough free space on the
> remaining LUNs in the domain.
>
> It seems the storage domain needs to be put in maintenance mode before
> this may be accomplished. But what's the consequence of putting a storage
> domain in maintenance mode? Can guests using the domain keep running
> while the storage domain is in maintenance mode? Does something stop
> working while a storage domain is in maintenance mode?
>
> --
> Regards,
> Troels Arvin
>
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