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 <[email protected]>: > 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 > [email protected] > https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user > _______________________________________________ pve-user mailing list [email protected] https://pve.proxmox.com/cgi-bin/mailman/listinfo/pve-user
