Am 22.07.20 um 21:55 schrieb Mark R:

Thanks, Uwe. Am I understanding correctly that you're just letting
your nodes attach to the iSCSI storage on their own by leaving
"node.startup = automatic" in /etc/iscsi/iscsid.conf so the hosts
attach to all known targets as they boot, long before oVirt services
ever attempt to connect them? I've considered flipping that to

No, I use OVirt to connect to the iSCSI targets, this works as expected. The thing I do not use are OVirt's iSCSI bonds.

What I configure manually is multipathd in order to use round robin policy.

As another poster below mentioned, going the route of two separate
iSCSI bonds in the "iSCSI Multipath" section does work when you're
adding new storage domains. The aspect he talks about, where you
connect both paths and save it, isn't possible if you import an
existing storage domain. When importing, the UI won't expose the
"Add" button that's available when creating a new domain, so you
can't add redundant paths. You can import the storage, then edit it
and discover/login to the other path, but that does _not_ save to the
database and will not persist across reboots or connect on other
hosts you add to the cluster (have to login manually on each). You
can't edit your iSCSI bonds and check the box for these manually
logged in targets either, they'll never populate in that part of the
UI so can't be selected. I think it's just a UI issue because some
very easy fidling in the database makes it work exactly as you'd
expect (and as it does for domains you newly add instead of
importing ).

This sounds quite ugly, I wasn't aware of this.

Sorry, rambling, but I am curious about your "node.startup" setting
in iscid.conf.  If left at 'automatic' (the default), are your hosts
attaching all the disks as they boot and oVirt doesn't mind that? It
could be the path I'll take as honestly I'd much prefer configuring
the storage connections directly.

As I said, the only thing I change is /etc/multipath.conf:

https://lists.ovirt.org/pipermail/users/2017-July/083308.html

cu,
Uwe
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