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Backing up an iSCSI LUN
After browsing the forums I came across a few posts regarding this issue, most of them several years old. I was wondering if there's an updated answer to my question, which is how can I backup an iSC...
EKroboter wrote:
Is my current method the best way to backup the LUN?
That depends on whether you want to back up the files in the LUN (recovering them directly from the backup), or if you want to back up the LUN itself (as opaque block storage).
One option is to use ReadyDR (which does the latter). Since it uses BTRFS CoW, it will back up a LUN efficiently (updating only the data blocks that have changed). However, you'd want the ReadyDR repository to be on a different NAS (as you point out).
EKroboter wrote:
Is my current method the best way to backup the LUN?
That depends on whether you want to back up the files in the LUN (recovering them directly from the backup), or if you want to back up the LUN itself (as opaque block storage).
One option is to use ReadyDR (which does the latter). Since it uses BTRFS CoW, it will back up a LUN efficiently (updating only the data blocks that have changed). However, you'd want the ReadyDR repository to be on a different NAS (as you point out).
Exactly the answer I was looking for, thank you. At this point, backing up just the files will have to suffice as I don't have a second ReadyNAS to perform ReadyDR job.
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