Open Stack

I'm using Essex.

Where did you make the code change?

You must put the change on each nova-compute node.

Enable the --verbose flag in nova.conf on your compute nodes,
purge  /var/lib/nova/instances/_base/'ephemeral_something', boot a new vm
and watch the log.
Grep for a line matching 'mkfs'

My logs:

nova.service [-] virt_mkfs : ['default=mkfs.ext4 -L %(fs_label)s -F
%(target)s', 'linux=mkfs.ext3 -L %(fs_label)s -F %(target)s',
'windows=mkfs.ntfs --force --fast --label %(fs_label)s %(target)s'] from
(pid=2343) wait /usr/lib/python2.7/dist-packages/nova/service.py:411
nova.utils [req-4559f0ea-df70-4d86-b61d-91d0798e3e93
359076e3189b4658a4dd1b83d6313cc9 5172f50226f647ebb03ca4e4e82d056d] Running
cmd (subprocess): mkfs.ext4 -L ephemeral0 -F
/var/lib/nova/instances/_base/ephemeral_0_20_None from (pid=2343) execute
/usr/lib/python2.7/dist-packages/nova/utils.py:219



On Mon, Aug 6, 2012 at 1:51 PM, Jerico Revote <jerico.revote at monash.edu>wrote:

> Hi,
>
> Are you using Essex or Folsom when it worked for you?
>
> Regards,
>
> Jerico
>
> On 06/08/2012, at 8:48 PM, Sébastien Han <han.sebastien at gmail.com> wrote:
>
> Cool ;)
>
> On Mon, Aug 6, 2012 at 12:47 PM, Jerico Revote <jerico.revote at monash.edu>wrote:
>
>> Thanks Sebastien, I'll give it a shot.
>>
>> Jerico
>>
>> On 06/08/2012, at 8:02 PM, Sébastien Han <han.sebastien at gmail.com> wrote:
>>
>> Hi,
>>
>> I think this only way is to edit the code like so:
>>
>>    - go to the line 66
>>    of /usr/lib/python2.7/dist-packages/nova/virt/disk/api.py
>>    - and change to  'default=mkfs.ext4 -L %(fs_label)s -F %(target)s',
>>
>> Make sure to purge your /var/lib/nova/instances/_base
>> It worked for me :)
>>
>> Let me know if it's ok :)
>>
>> Cheers!
>>
>>
>> On Mon, Aug 6, 2012 at 10:47 AM, Jerico Revote <jerico.revote at monash.edu>wrote:
>>
>>> Hi,
>>>
>>> Is there a way to change the default file system of the ephemeral disk
>>> attached to an instance?
>>> By default it's ext3.
>>>
>>> Thanks,
>>>
>>> Jerico
>>> _______________________________________________
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>>>
>>
>>
>>
>
>
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