Il lun 20 lug 2020, 23:42 Nir Soffer <[email protected]> ha scritto:
> I think you will get the best performance using direct LUN. Is direct LUN using the QEMU iSCSI initiator, or SG_IO, and if so is it using /dev/sg or has that been fixed? SG_IO is definitely not going to be the fastest, especially with /dev/sg. Storage > domain is best if you want > to use features provided by storage domain. If your important feature > is performance, you want > to connect the storage in the most direct way to your VM. > Agreed but you want a virtio-blk device, not SG_IO; direct LUN with SG_IO is only recommended if you want to do clustering and other stuff that requires SCSI-level access. Paolo > Mordechai, did we do any similar performance tests in our lab? > Do you have example results? > > Nir > >
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