I use the same technic for my normal snapshot backups. But it’s regarding a
Autodesk database. In order to have full support of Autodesk in case things go
wrong, I need to follow Autodesk recommendations. That is to do a data-backup
(db-dump + file store copie) with their tool being the ADMS
> In Ceph/Libvirt docs only cachmodes writetrough and writeback are discussed.
> My clients's disks are all set to writeback in the libvirt client
> xml-definition.
>
> For a backup operation, I notice a severe lag on one of my VM's. Such a
> backup operation that takes 1 to 2 hours (on a same
Some information is missing to give a helpful answer.
How do you backup? (Files? RBD via Ceph? Block Device with qemu-img? Which
Device driver do you use (Virtio? SATA?).
In our production we use Virtio RBD and the Hypervisor standard cache mode.
The Disks are snapshoted before the backup with