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Forum Discussion
Understanding Migration using ReadyDR to new device and preserve ALL of the current snapshots
Looking to have two NAS units which are syncronized INCLUDING snapshots: I have been happily running my pro6 for many years, backed up a year ago and migrated to 6.6.0 and have continuously upgra...
I don't think I understand the intent of the readyDR mechanism. It appears that readyDR is designed to backup all of the snapshots and that there is a "failback" (restore to original device) or "failover" (take over with the backup device) as described in:
https://kb.netgear.com/app/answers/detail/a_id/31232
What is not clear to me is if all of the snapshots are backed up (using readyDR) when I do a "failback" or "failover" do I only get the most recent snapshot or do I get all of the old snapshots?
It almost appears that using readyDR you have to select a specific snapshot to restore back to the original machine (or a single snapshot to clone in the "failover" scenerio) but that unless you go through and clone each snapshot independently only the selected snapshot will be available after the "disaster recovery".
Thank you very much for any clarification you might be able to provide.
I didn't use ReadyDR for long, as it didn't fit my needs. Instead I use rsync backup jobs for each share. Unlike you, I am not particularly interested in preserving the snapshots in the backup. Instead I use the snapshots on the destination if I want to roll back to a previous backup.
My understanding is that when ReadyDR runs, it first creates a snapshot on the source and then sends that snapshot to the destination. That is incremental (only changed blocks are sent). But I don't believe it preserves all the snapshots that are on the source.
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