[Labs-l] Spring Cleaning

[Jaime Crespo]

Have you tried this? Seems a bit hacky, but it seems the solution to
your problem:

<http://serverfault.com/a/329671/183203>

On Sun, Mar 6, 2016 at 9:18 PM, Andrew Bogott <abogott at wikimedia.org> wrote:
> On 3/6/16 8:02 AM, Merlijn van Deen (valhallasw) wrote:
>
> On 5 March 2016 at 20:18, Mr. Maximilian Doerr <maximilian.doerr at gmail.com>
> wrote:
>>
>> 38G  523df61c-07f0-41ba-924d-e2b8e474b4d7  tools-exec-cyberbot  tools marc
>>
>> What on Earth could Cyberbot be generating?  Nothing in its folder amounts
>> to that size!!!!
>
>
> The storage is 'flexible', but it doesn't shrink. This means that if you
> have a 80GB disk, with only 20GB filled, it will use 20GB on the VM server.
> If you then fill the disk, it will use 80GB on the VM server. However, if
> you now delete 60GB of data, it will still use 80GB on the VM server. Andrew
> pointed out in an earlier email that it's possible to reclaim the space by
> shutting down the instance and compressing it, or by creating a new
> instance.
>
> I ran a test of this on Friday and the recompressing process (qemu-img
> convert -O qcow2) didn't actually save me much space -- the instance had
> about 50 Gb of 'empty' space in it but recomressing only recaptured about
> 2Gb.  I'm not sure if there's a better process than the one I'm using;  it
> is nonetheless useful to delete unneeded files, though, since it prevents
> future footprint growth.
>
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-- 
Jaime Crespo
<http://wikimedia.org>