That makes sense. Appreciate it. From: "Jason Dillaman" <jdillama@xxxxxxxxxx> To: "adamb" <adamb@xxxxxxxxxx> Cc: "ceph-users" <ceph-users@xxxxxxx> Sent: Friday, January 29, 2021 9:39:28 AM Subject: Re: Unable to enable RBD-Mirror Snapshot on image when VM is using RBD On Fri, Jan 29, 2021 at 9:34 AM Adam Boyhan <adamb@xxxxxxxxxx> wrote: > > This is a odd one. I don't hit it all the time so I don't think its expected behavior. > > Sometimes I have no issues enabling rbd-mirror snapshot mode on a rbd when its in use by a KVM VM. Other times I hit the following error, the only way I can get around it is to power down the KVM VM. > > root@Ccscephtest1:~# rbd mirror image enable CephTestPool1/vm-101-disk-0 snapshot > 2021-01-29T09:29:07.875-0500 7f1e99ffb700 -1 librbd::mirror::snapshot::CreatePrimaryRequest: 0x7f1e7c012440 handle_create_snapshot: failed to create mirror snapshot: (22) Invalid argument > 2021-01-29T09:29:07.875-0500 7f1e99ffb700 -1 librbd::mirror::EnableRequest: 0x5597667fd200 handle_create_primary_snapshot: failed to create initial primary snapshot: (22) Invalid argument > 2021-01-29T09:29:07.875-0500 7f1ea559f3c0 -1 librbd::api::Mirror: image_enable: cannot enable mirroring: (22) Invalid argument I suspect that you have the exclusive-lock feature enabled and the QEMU hypervisor host has a pre-octopus version of librbd. > _______________________________________________ > ceph-users mailing list -- ceph-users@xxxxxxx > To unsubscribe send an email to ceph-users-leave@xxxxxxx > -- Jason _______________________________________________ ceph-users mailing list -- ceph-users@xxxxxxx To unsubscribe send an email to ceph-users-leave@xxxxxxx
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