On Wed, May 3, 2017 at 7:57 PM, wodel youchi <wodel.you...@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. > This one is similar to TCP offload - the iSCSI processing is done on the HW, the rest is done in software and is supported - it looks like regular iSCSI to oVirt. > > - 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. > This one indeed is transparent to the OS, and it looks like FC to oVirt. > > Does the configuration on oVirt support the two modes? and is there any > differences when using them, I mean during the setup. > Both are supported. The former looks like regular iSCSI, the latter like FC to oVirt. Y. > > Regards. > > > 2017-04-30 7:47 GMT+01:00 Yaniv Kaul <yk...@redhat.com>: > >> >> >> On Sat, Apr 29, 2017 at 7:27 PM, wodel youchi <wodel.you...@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. >>> >>> >>> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> >>> Virus-free. >>> www.avast.com >>> <https://www.avast.com/sig-email?utm_medium=email&utm_source=link&utm_campaign=sig-email&utm_content=webmail> >>> <#m_4334077165374483247_m_8732461098692771785_m_4452747818142096065_DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2> >>> >>> _______________________________________________ >>> Users mailing list >>> Users@ovirt.org >>> http://lists.ovirt.org/mailman/listinfo/users >>> >>> >> >
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