Hi Peter,
The question is somewhat unclear here.
First of all, a storage domain on iSCSI maps 1:1 to a LUN. So 1 LUN = 1
Storage domain.
The storage domain is configured with LVM and each VM disk is a Logical
Volume.
If the LUN/Storage domain goes out of space, then no new space can be
allocated, but if you have thick provisioned VM disks, they could still
be able to write to the disk.
Jean-Louis
On 22/11/2022 13:14, pet...@mdg-it.com wrote:
A possibly obvious question I can't find the answer to anywhere—how does ovirt
allocate VM disk images when a storage domain has multiple LUNs? Are these
allocated one per LUN, so if e.g. a LUN runs out of space the disks on that LUN
(only) will be unable to write? Or are these distributed across LUNs, so if a
LUN fails due to storage failure etc the entire storage domain can be affected?
Many thanks in advance, Peter
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