Re: the easiest way to copy image to another cluster

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As someone noted, rbd export / import work.  I’ve also used rbd-mirror for capacity management, it works well for moving attached as well as unattached images.  When using rbd-mirror to move 1-2 images at a time, adjustments to default parameters speeds progress substantially.  It’s easy to see when src and dst are synced, then flip primary / secondary, disable mirroring, and rm the src.  I’ve used this technique (via an in-house wrapper service) to move hundreds of images.  It can handle snaps even, with the right execution.  



> On Apr 21, 2022, at 8:40 PM, Tony Liu <tonyliu0592@xxxxxxxxxxx> wrote:
> 
> Hi,
> 
> I want to copy an image, which is not being used, to another cluster.
> rbd-mirror would do it, but rbd-mirror is designed to handle image
> which is being used/updated, to ensure the mirrored image is always
> consistent with the source. I wonder if there is any easier way to copy
> an image without worrying about the update/sync, like copy a snapshot
> or a backup image.
> 
> 
> Thanks!
> Tony
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