Actually recent versions of virtio-blk support discard as well. In general, I found that virtio-scsi isn't worth it. I appreciate your input though, thanks! /Z On Wed, 6 Oct 2021, 09:03 Janne Johansson, <icepic.dz@xxxxxxxxx> wrote: > Den ons 6 okt. 2021 kl 06:37 skrev Zakhar Kirpichenko <zakhar@xxxxxxxxx>: > > Got it. I don't have any specific throttling set up for RBD-backed > storage. > > I also previously tested several different backends and found that virtio > > consistently produced better performance than virtio-scsi in different > > scenarios, thus my VMs run virtio. > > Then again, I think virtio-scsi is required for guests to be allowed > to run trim/discard, so if thin provisioning and getting space back is > important, virtio-scsi might be the better end result. Just a thought. > > -- > May the most significant bit of your life be positive. > _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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