Re: rbd STDIN import does not work / wip-rbd-export-stdout

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Yes, it's broken too (there's an issue open on it). I have some test
code done over the weekend
and will be pushing it after review.

Be aware that import/export to stdin/stdout are limited in that they
cannot preserve sparseness
of the image, but they should both be working soon at least.

On Mon, Nov 26, 2012 at 5:35 AM, Stefan Priebe - Profihost AG
<s.priebe@xxxxxxxxxxxx> wrote:
> Am 26.11.2012 14:29, schrieb Oliver Francke:
>>
>> Well...
>
>
> makes no difference:
> gzip -dc vm-101-disk-1.img.gz | rbd import --format=2 --size=40960 -
> kvmpool1/vm-101-disk-1
>
> rbd: error reading file: (29) Illegal seek
> Importing image: 0% complete...failed.
> rbd: import failed: (29) Illegal seek
>
> I think the problem is that ceph seeks in File when it get's zeros (not
> filled content). But seeking doesn't work on stdin. It has to read from
> stdin until there are no more zeros.
>
> Stefan
>
>
>> On 11/26/2012 02:20 PM, Stefan Priebe - Profihost AG wrote:
>>>
>>> Hello list,
>>>
>>> i know branch wip-rbd-export-stdout is work in progress but it is more
>>> than useful ;-)
>>>
>>> When i try to import an image i get:
>>>
>>> # gzip -dc vm-101-disk-1.img.gz | rbd import --format=2
>>> --size=42949672960 - kvmpool1/vm-101-disk-1
>>> rbd: error reading file: (29) Illegal seek
>>> Importing image: 0% complete...failed.
>>> rbd: import failed: (29) Illegal seek
>>>
>>> Anything i've tried wrong?
>>
>>
>> I would assume, that size is already in MiB? Seems to be a slightly too
>> big value... Not tried myself, though...
>>
>> Oliver.
>>
>>>
>>> Greets,
>>> Stefan
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>>
>>
>>
>
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