Problems with Glusterfs and OpenVz

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Hello Shain

Thanks for your suggestions but what I'm trying to do is a bit different.
I am trying to create a glusterfs volume that will contain the OpenVZ
containers to use it as shared filesystem for high availability and
not to mount glusterfs from inside existing OpenVZ containers.

I have done some more tests and it doesn't seem to work even with
quota disabled (that I read is supported by OpenVZ only with ext3/4
fs) and with just one node.

Any other suggestions?

Thanks,
Alessandro

On Wed, Dec 15, 2010 at 8:14 PM, Shain Miley <smiley at npr.org> wrote:
> Below is the procedure that I used to get Gluster working with openvz, ?I
> believe that I successfully got 3.0.5 and 3.1.1 working...but way more
> testing was done using 3.0.5 then 3.1.1.
>
> http://forum.proxmox.com/threads/1252-Proxmox-GlusterFS-2-and-FUSE
>
>
> In terms of performance, I did not do too much benchmarking vs our non-vm
> setup...but if I get a change to do so soon I will.
>
> Shain
>
> On 12/15/2010 02:10 PM, Pablo Godel wrote:
>>
>> I tried this some months ago and it worked, but performance suffered,
>> specially with PHP and APC enabled which tried to use shared memory.
>>
>> I guess ?since you are not able to fully test, you don't know yet, I would
>> like to know what is the performance you are experiencing.
>>
>> any others with comments regarding this?
>>
>> Thanks
>> Pablo
>>
>>
>> On Wed, Dec 15, 2010 at 1:55 PM, Alessandro Iurlano<
>> alessandro.iurlano at gmail.com> ?wrote:
>>
>>> Hello again.
>>>
>>> I just managed to install Proxmox on a new 64 bit machine. I then
>>> removed the 32bit brick and peer from the gluster cluster and added
>>> this new machine and rebalanced the volume.
>>> Then I mounted the volume and started an OpenVZ container and I got
>>> the same results (transport endpoint not connectd).
>>> Tomorrow I will try recreating the volume from scratch on both the 64
>>> bit machines.
>>> Any other tests I might try?
>>>
>>> Thanks,
>>> Alessandro
>>>
>>> On Tue, Dec 14, 2010 at 1:55 PM, Shain Miley<SMiley at npr.org> ?wrote:
>>>>
>>>> I too had problems in a mixed/OpenVZ setup recently, but as ?soon as I
>>>> started using a 64-bit on all nodes the problems went away. ?This was
>>>
>>> using
>>>>
>>>> the 3.0.5 branch however.
>>>>
>>>> Shain
>>>>
>>>>
>>>> -----Original Message-----
>>>> From: gluster-users-bounces at gluster.org on behalf of Alessandro Iurlano
>>>> Sent: Tue 12/14/2010 6:51 AM
>>>> To: Amar Tumballi
>>>> Cc: gluster-users at gluster.org
>>>> Subject: Re: Problems with Glusterfs and OpenVz
>>>>
>>>> Hello again Amar.
>>>>
>>>> I have managed to try the latest commit from git://
>>>
>>> git.gluster.com/glusterfs
>>>>
>>>> The problem happened again though this time it lasted much longer,
>>>> allowing me to do an apt-get upgrade and some other minor things. But
>>>> then the container stopped working and I get Transport endpoint is not
>>>> connected.
>>>>
>>>> I am using a mixed environment for the tests. In particular, due to
>>>> hardware shortage, the gluster and OpenVz server is a 64bit machine
>>>> and the other gluster server is an old Pentium4 32bit only. Could this
>>>> mixed 32/64 bit environment be related?
>>>>
>>>> Thanks for any help,
>>>> Alessandro
>>>>
>>>> On Mon, Dec 13, 2010 at 3:48 PM, Alessandro Iurlano
>>>> <alessandro.iurlano at gmail.com> ?wrote:
>>>>>
>>>>> Hello Amar.
>>>>>
>>>>> I have just tried version 3.1.2qa2 but the problem is still there.
>>>>> Should I download the git version? If so, could you provide the git
>>>>> url of the latest version?
>>>>>
>>>>> Thanks,
>>>>> Alessandro
>>>>>
>>>>> On Mon, Dec 13, 2010 at 3:04 PM, Amar Tumballi<amar at gluster.com>
>>>
>>> wrote:
>>>>>>
>>>>>> Hi Alessandro,
>>>>>>
>>>>>>>> This is an extract from an error log http://pastebin.com/66ipxbnA
>>>>>>
>>>>>> Thanks for the bug report. We found the reason for the crash reported,
>>>>>> and
>>>>>> fixes are already in repository. You can either wait for newer
>>>>>> release,
>>>>>> or
>>>>>> checkout the latest repository code for the fix.
>>>>>> Regards,
>>>>>> Amar
>>>>>>
>>>>>> On Fri, Dec 10, 2010 at 4:38 PM, Alessandro Iurlano
>>>>>> <alessandro.iurlano at gmail.com> ?wrote:
>>>>>>>
>>>>>>> Hello everybody
>>>>>>>
>>>>>>> I am evaluating Gluster as storage backend for our virtualization
>>>>>>> infrastructure but I am having problems using Glusterfs with OpenVZ.
>>>>>>> What I want to do is to store OpenVZ containers on Glusterfs
>>>>>>> filesystem and not to mount Glusterfs volumes from inside OpenVZ
>>>>>>> containers that appears to be what everyone does, according to Google
>>>>>>> results.
>>>>>>>
>>>>>>> Basically I have setup an OpenVZ server (with Proxmox) and a
>>>>>>> replicated Glusterfs volume from that server and another debian
>>>>>>> machine.
>>>>>>> I have been able to create an OpenVZ container on the Glusterfs
>>>>>>> filesystem without problems with the latest Glusterfs version
>>>>>>> 3.1.2qa1
>>>>>>> (due to the mknod bug
>>>>>>> http://bugs.gluster.com/cgi-bin/bugzilla3/show_bug.cgi?id=2145). But
>>>>>>> whenever I start this new container it lasts only a couple of minutes
>>>>>>> (just the time to boot and a couple commands) and then Glusterfs
>>>>>>> hangs
>>>>>>> and I get the error Transport Endpoint is not connected.
>>>>>>>
>>>>>>> The Gluster volume is not accessible anymore from the OpenVz server
>>>>>>> (even though this server is a gluster server itself), the container
>>>>>>> completely stops working and killing glusterfs processes does not
>>>>>>> help
>>>>>>> to recover the situation. The only way is to reboot the machine.
>>>>>>>
>>>>>>> This is an extract from an error log http://pastebin.com/66ipxbnA
>>>>>>>
>>>>>>> Any suggestions?
>>>>>>> Does anybody have any successful experience with OpenVZ and Gluster
>>>>>>> or
>>>>>>> know of any howto / documentation?
>>>>>>>
>>>>>>> Thanks in advance,
>>>>>>> Alessandro
>>>>>>> _______________________________________________
>>>>>>> Gluster-users mailing list
>>>>>>> Gluster-users at gluster.org
>>>>>>> http://gluster.org/cgi-bin/mailman/listinfo/gluster-users
>>>>>>
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>>>>
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>>
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