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Date: Thu, 13 Sep 2012 09:42:21 -0600
Message-ID: 
 <CALFpzo7pHvq+=kLKVBHY+CNg=XBYuSmpY67H2STAS9ivUsoVbQ@mail.gmail.com>
Subject: Re: [jira] [Updated] (CLOUDSTACK-67) Resizing
From: Marcus Sorensen <shadowsor@gmail.com>
To: cloudstack-dev@incubator.apache.org
Cc: wido <wido@widodh.nl>
Content-Type: text/plain; charset=ISO-8859-1

On Thu, Sep 13, 2012 at 12:09 AM, Edison Su <Edison.su@citrix.com> wrote:
>
>
> Sent from my iPhone
>
> On Sep 12, 2012, at 9:37 PM, "Marcus Sorensen" <shadowsor@gmail.com> wrote:
>
>> I mainly wanted to send out some feelers to see if there was an
>> imminent branch merge or something.
> It depends how big of your patch. If it changes current code too much, may not get a chance to be merged into 4.0 branch. But I think this feature shouldn't be that disruptive, so send out your patch, the merge window is still open.

There are a few minor changes, mostly just adding event types and
things like that, but as you can imagine it's mostly self-contained.

>> If not, I'll clean up mine a bit
>> and let people have a look. I haven't looked into changing the UI yet
>> at all, and since it seems there's a redesign in progress maybe I'll
>> hold off. The API pieces are all there and work in my test
>> environment. There are a few things I had to work around, for example
>> it seems we're missing java bindings for key libvirt calls, which I
>> implemented via host script instead if your version of libvirtd/virsh
>> supports it.
> We are using the latest libvirt java binding, if it doesn't include the API you want, better to send a patch libvirt mailing list also. Host script is ok in the current stage.
>>
>> A few questions:
>>
>> Is all KVM storage that's file based automatically qcow2 in
> Yes, if it's file based, then qcow2 will be used.
>> cloudstack? That would be NFS and local, are there others?  It should
> NSF, local and sharedmount(for cluster file system, like gluster).
>> be simple for me to add those in and do some testing I think, although
>> qemu-img needs to be a specific, fairly recent version to support
>> qcow2 resizing.
> Which version of qemu-img are you using? Is it included in Ubuntu 12.04?

Yes, 12.04 has it. So does CentOS 6.3, but anyone with an existing
environment or not on the latest might run into issues. Can't support
everything, I suppose, but the host script should bubble up the proper
errors into the logs to tell people why it doesn't work on their
platform.

>>
>> Which reminds me, cloudstack no longer bundles or requires a custom
>> qemu-kvm package, correct? Seems like it did at one point.
> Yes, We don't need it any more.
>>
>> Wido, I've played with Ceph a bit and RBD, but it's been maybe a year.
>> Is resizing of the RADOS device handled well? Have you played at all
>> with resizing the block device file of a live VM and then issuing a
>> 'virsh blockresize'?
>>
>>
>> On Wed, Sep 12, 2012 at 6:36 PM, Edison Su <Edison.su@citrix.com> wrote:
>>> Patch is always welcome. Will you change UI also? Maybe we can't check in UI part at this moment, but at least, the backend code should be ok.
>>>
>>>> -----Original Message-----
>>>> From: Marcus Sorensen [mailto:shadowsor@gmail.com]
>>>> Sent: Wednesday, September 12, 2012 4:36 PM
>>>> To: cloudstack-dev@incubator.apache.org
>>>> Subject: Re: [jira] [Updated] (CLOUDSTACK-67) Resizing
>>>>
>>>> I know everyone is working on the release,but is anyone working on
>>>> this? I've got a working implementation against KVM/CLVM. I'm not
>>>> super interested in setting up environments for all of the various
>>>> hypervisor/storage combos, but this could be used as a springboard for
>>>> the other types.
>>>>
>>>> On Mon, Sep 10, 2012 at 10:52 AM, Alex Huang (JIRA) <jira@apache.org>
>>>> wrote:
>>>>>
>>>>>     [ https://issues.apache.org/jira/browse/CLOUDSTACK-
>>>> 67?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
>>>>>
>>>>> Alex Huang updated CLOUDSTACK-67:
>>>>> ---------------------------------
>>>>>
>>>>>    Fix Version/s: 4.1.0
>>>>>
>>>>>> Resizing
>>>>>> --------
>>>>>>
>>>>>>                Key: CLOUDSTACK-67
>>>>>>                URL:
>>>> https://issues.apache.org/jira/browse/CLOUDSTACK-67
>>>>>>            Project: CloudStack
>>>>>>         Issue Type: Improvement
>>>>>>           Reporter: XxYton
>>>>>>            Fix For: 4.1.0
>>>>>>
>>>>>>
>>>>>> Resizing of volumes and instances is not possible right now.
>>>>>> Instance resizing should be done without rebooting the VM if
>>>> supported by hypervisor.
>>>>>
>>>>> --
>>>>> This message is automatically generated by JIRA.
>>>>> If you think it was sent incorrectly, please contact your JIRA
>>>> administrators
>>>>> For more information on JIRA, see:
>>>> http://www.atlassian.com/software/jira