Also, which rbd objects are of interest?

<snip>
ganymede ~ # rados -p client-disk-img0 ls | wc -l
1672636
</snip>

And, all of them have cryptic names like:

rb.0.ff53.3d1b58ba.00000000e6ad
rb.0.6d386.1d545c4d.000000011461
rb.0.50703.3804823e.000000001c28
rb.0.1073e.3d1b58ba.00000000b715
rb.0.1d76.2ae8944a.00000000022d

which seem to bear no resemblance to the actual image names that the rbd command line tools understands?

Regards,
Edwin Peer

On 01/04/2015 08:48 PM, Jake Young wrote:


On Sunday, January 4, 2015, Dyweni - Ceph-Users <6exbab4fy...@dyweni.com <mailto:6exbab4fy...@dyweni.com>> wrote:

    Hi,

    If its the only think in your pool, you could try deleting the
    pool instead.

    I found that to be faster in my testing; I had created 500TB when
    I meant to create 500GB.

    Note for the Devs: I would be nice if rbd create/resize would
    accept sizes with units (i.e. MB GB TB PB, etc).




    On 2015-01-04 08:45, Edwin Peer wrote:

        Hi there,

        I did something stupid while growing an rbd image. I accidentally
        mistook the units of the resize command for bytes instead of
        megabytes
        and grew an rbd image to 650PB instead of 650GB. This all happened
        instantaneously enough, but trying to rectify the mistake is
        not going
        nearly as well.

        <snip>
        ganymede ~ # rbd resize --size 665600 --allow-shrink
        client-disk-img0/vol-x318644f-0
        Resizing image: 1% complete...
        </snip>

        It took a couple days before it started showing 1% complete
        and has
        been stuck on 1% for a couple more. At this rate, I should be
        able to
        shrink the image back to the intended size in about 2016.

        Any ideas?

        Regards,
        Edwin Peer
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You can just delete the rbd header. See Sebastien's excellent blog:

http://www.sebastien-han.fr/blog/2013/12/12/rbd-image-bigger-than-your-ceph-cluster/

Jake


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