Re: librbd: error finding header

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On Wed, Jul 11, 2012 at 9:41 PM, Josh Durgin <josh.durgin@xxxxxxxxxxx> wrote:
> You're right about the object name - you can get its offset in the
> image that way. Since rbd is thin-provisioned, however, the highest
> index object might not be the highest possible object. When you first
> create an image, only the header object is created.

You can re-create it with a size that's known to be greater than the
old size (put in a terabyte extra, or something), and then use a
partitioning tool to see what the disk layout really is, and resize
based on that.
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