On Wed, 7 Jun 2017 12:36:43 +0200 (CEST) Dietmar Maurer <diet...@proxmox.com> wrote:
> > We allocate the snapshot file on an active storage, so it should not
> > be necessary to activate it again.
> >
> > Note: see __snapshot_save_vmstate and foreach_writable_storage
>
> So the storage can be assumed to be active. The state volume itself if
> activated before we use it (see posting from fabian).
>
I found the problem. It was Fabian which pointed me in the right
direction.
The problematic part in activate_volume:
# Add new LUN's to session
os_request("iscsiadm -m session -r $sid -R", 0, 60);
# Remove all LUN's from session which is not currently active
deactivate_luns($scfg, $volname, $active_luns);
It seems related to a timing between UDEV is called to create a link and when
this link is actually available so adding a sleep 1 sorts this out. When you do
a --login to target this is no problem since the call to login will not return
until all LUN symlinks are created.
# Add new LUN's to session
os_request("iscsiadm -m session -r $sid -R", 0, 60);
sleep 1;
# Remove all LUN's from session which is not currently active
deactivate_luns($scfg, $volname, $active_luns);
--
Hilsen/Regards
Michael Rasmussen
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