On Tue, Mar 14, 2017, 9:46 PM Gianluca Cecchi <gianluca.cecchi@gmail.com> wrote:
On Tue, Mar 14, 2017 at 6:30 PM, Pavel Gashev <Pax@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?
oVirt sees it as FC. No need for IP. Y.
- 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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