[ovirt-users] Suggestion for configuration with only 2 nics and equallogic ISCSI

[Gianluca Cecchi]

On Tue, Mar 14, 2017 at 6:30 PM, Pavel Gashev <Pax at acronis.com> wrote:

> Gianluca,
>
>
>
> Are you sure your 10Gbit nics doesn’t support iSCSI offload?
>
>
>

I Pavel, thanks for the comment.
It could be a nice way to proceed ;-) Are you using it with oVirt?

Some considerations/questions:

- in the past I tested iSCSI offload with RH EL 5.5 (it was late 2010) with
some problems; then I also tested with RH EL 6 when still in beta with
better results. Not tested more anddidn't go to production as it was not
considered crucial. Can we consider it stable in RH EL / CentOS 7.3?

- I remeber that at 5.5 / 6beta times even when configuring offload iSCSI
you still needed to configure an ip on the interfaces in OS, because I seem
to rememebr the discovery phase (or login perhaps?) happened on tcp and not
capable in offload. Is this still true or can I only configure an ip for
the offload macs?

- is the offload configuration transparent to oVirt in the sense that oVirt
only needs that the hosts see the multipath iSCSI devices, or do I need to
make any particular config in oVirt too, then?

Thanks in advance,

Gianluca
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