But what happens if the guest os has trim enabled and qemu did not have the discard option set. Should there be done some fsck to correct this? (Sorry is getting a bit off topic here.) -----Original Message----- From: Jason Dillaman [mailto:jdillama@xxxxxxxxxx] Sent: woensdag 1 mei 2019 23:34 To: Marc Roos Cc: ceph-users Subject: Re: rbd ssd pool for (windows) vms On Wed, May 1, 2019 at 5:00 PM Marc Roos <M.Roos@xxxxxxxxxxxxxxxxx> wrote: > > > Do you need to tell the vm's that they are on a ssd rbd pool? Or does > ceph and the libvirt drivers do this automatically for you? Like discard, any advanced QEMU options would need to be manually specified. > When testing a nutanix acropolis virtual install, I had to 'cheat' it > by adding this <qemu:arg value='device.scsi0-0-0-1.rotation_rate=1'/> > To make the installer think there was a ssd drive. > > I only have 'Thin provisioned drive' mentioned regardless if the vm is > on a hdd rbd pool or a ssd rbd pool. > > > _______________________________________________ > ceph-users mailing list > ceph-users@xxxxxxxxxxxxxx > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com -- Jason _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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