[ovirt-users] [oVirt4.1] Does oVirt 4.1 support iSCSI offload?

[Luca 'remix_tj' Lorenzetto]

On Wed, May 3, 2017 at 6:57 PM, wodel youchi <wodel.youchi at gmail.com> wrote:

> Hi again, and sorry for the delay, I was sick, actually I am still
> sick.... :-(
>
> Just to have more details, from what I have read about iSCSI offload,
> there are two modes, depending on the hardware you have (the adapter),
> using VMware terminology, no offense :-) , there is :
>
> - Dependent mode : in this mode the adapter still need the software iSCSI
> to use the network configuration of the nic port, so the discovery is done
> on tcp, the rest on offload driver like bnxi2.
>
> - Independent mode : in this mode the adapter takes all the work by
> itself, the network part, it will have it's own IP address and so on, and
> it does not need anything from the OS or the software iSCSI, the
> configuration is made in the BIOS of the adapter, and the connection is
> made before the OS is up.
>
> Does the configuration on oVirt support the two modes? and is there any
> differences when using them, I mean during the setup.
>
> [cut]

Hello,

I've no direct experience, but i suppose that both modes are available, if
they are supported by a standard RHEL machine. In particular the
"Independent mode" should be like said before: you'll see the storage as FC
lun. In the other mode i think is a standard iSCSI setup, but requires the
driver for taking advantage of the offloading.

Luca

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Luca 'remix_tj' Lorenzetto, http://www.remixtj.net , <
lorenzetto.luca at gmail.com>
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