How do you use CDP "backups"? How do you decide at which write(2) (or dirty page write, or fsync(2), ...) to restore some file? What if the app has many files? Point-in-time? Sure, but since you can't restore all application state (unless you're checkpointing processes too) then how can you be sure that the data to be restored is internally consistent? And if you'll checkpoint processes, then why not just use VMs and checkpoint those and their filesystems instead? The last option sounds much, much simpler to manage: there's only VM name and timestamp to think about when restoring. A continuous VM checkpoint facility sounds... unlikely/expensive though.
Nico -- _______________________________________________ zfs-discuss mailing list zfs-discuss@opensolaris.org http://mail.opensolaris.org/mailman/listinfo/zfs-discuss
