[PVE-User] Short question...

Gilberto Nunes gilberto.nunes32 at gmail.com
Thu Jul 20 12:32:33 CEST 2017

Thanks Dmitry
That the answer I would like to hear, because I always knew that Virtio Bus
is high perfomance.
Now, after read the Manual, I realize that virtio are deprecated...
But after your explanation, I will use only SCSI

Thanks a lot

2017-07-20 5:32 GMT-03:00 Dmitry Petuhov <mityapetuhov at gmail.com>:

> 19.07.2017 22:59, Gilberto Nunes wrote:
>> One doubt: is it SCSI better than virtio??
> I think you meant virtio-scsi vs virtio-blk. Other virtual SCSI
> controllers are usually worse.
> Depends on what do you want from it.
> Virtio-scsi is the only interface that supports trim/discard, so it's best
> choice for thin-provisioned storages. Also, it can pass through raw SCSI
> device to guest (in PVE it does [did?] so with libiscsi-backed storages),
> so minimizing virtualisation overhead. But it uses single IO thread per
> controller, so if you want max performance with multiple virtual disks, you
> must select virtio-scsi-single
> _______________________________________________
> pve-user mailing list
> pve-user at pve.proxmox.com
> https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user

More information about the pve-user mailing list