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.

Regards.


2017-04-30 7:47 GMT+01:00 Yaniv Kaul <ykaul@redhat.com>:


On Sat, Apr 29, 2017 at 7:27 PM, wodel youchi <wodel.youchi@gmail.com> wrote:
Hi,

We have two hypervisors, each one has a 10Gbe nic card with two ports, the cards support iSCSI offload.

Does oVirt 4.1 support this?

Yes.
 
if yes how can someone use it on hosted-engine deployment? the VM engine will be in the SAN targeted by these cards.

Since iSCSI offloading is configured before the OS even loads, to the OS (and therefore oVirt hypervisors) it seems that the storage is 'just connected' - same as FC for all we care.

Y.
 

Regards.

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