[ovirt-users] Multipath iSCSI with several IPs

[Dan Yasny]

On Thu, Aug 4, 2016 at 10:24 AM, Tadas <tadas at ring.lt> wrote:

> Multipath is more a SAN thing, - not a tcp/ip.
>

Not when it comes to iSCSI


> You should use something like LACP group on two (or more) of your network
> interfaces.
>

Absolutely not. It is always better to let multipath deal with paths
leading to block storage LUNs, and the underlying fabric does not matter.


> Also you will have to configure your switch accordingly. You will not have
> to worry about second ip. LACP bonded interface will use one IP, but will
> fail-over to one of nics if needed.
>


Again, do NOT use bonds for iscsi traffic. Let multipath deal with it.


> *From:* James Michels <karma.sometimes.hurts at gmail.com>
> *Sent:* Thursday, August 4, 2016 5:13 PM
> *To:* users <users at ovirt.org>
> *Subject:* [ovirt-users] Multipath iSCSI with several IPs
>
> Hello,
>
> I want to add an iSCSI based storage domain. For that I add a domain on
> the Storage tab with one of the IPs (say 10.10.10.1), but for failover
> purposes I'd like to use multipath to add a failover IP so if the first one
> fails, LUNs can be reached via the second (say 10.10.10.2).
>
> How can this be done in oVirt 4.0.1? I have not seen a way how to add the
> second IP for multipath purposes.
>
> Thank you
>
> James
>
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