On 05/11/11 11:20, Felix Frank wrote:
When you restore a dd image, you return to that point in time, metadata
included.
True, but another thing might be the wish to mount the image. Not sure
if this will work OK when the metadata is included.
I cannot see why not. After all, you can mount the file system off a
backing device with no problem (aside from completely f**king up DRBD's
notion of the data). So mounting it from an image through loop should
work to pretty much the same effect.
Another idea might be to have the DRBD metadata simply externally on a
SDD drive, problem solved.
Kinda :) If you restore the data to an active DRBD then, this will work
fine, but you'll set all Quicksync bits (when StandAlone). No problem
with that really - this *would* indeed be the cleanest and most simple
solution as far as I can see.
Cheers,
Felix
OK Felix, all clear, thank you.
Suppose I keep the internal metadata, what would be the procedure for
restore on a dual primary:
- disconnect
- restore with dd
- connect
?
When I reconnect, how will I know that the restored node will have the
"master" data? Do I need to invalidate the second one first?
I guess this too would not be an issue with external metadata ...
Cheers!
B.
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