[Gluster-users] XenServer and Glusterfs 3.1

[Davide Ferri]

Great !
Let us know so we can test it. Is there a release schedule for the 3.1.1 ?

Davide

On Thu, Nov 11, 2010 at 12:15 PM, Shehjar Tikoo <shehjart at gluster.com> wrote:
> Davide Ferri wrote:
>>
>> I've the same issue.
>> Of course it works (both nfsv3 and nfsv4) with the standard NFS
>> deamon. If you share /media you can mount /media/subdir1 (if exists)
>> without any change to the /etc/exports.
>
> Thanks. I understand that now. Thats not hard to fix. We'll try squeezing it
> into 3.1.1 release.
>
> -Shehjar
>
>>
>> Davide
>>
>> On Thu, Nov 11, 2010 at 11:47 AM, Shehjar Tikoo <shehjart at gluster.com>
>> wrote:
>>>
>>> Stefano Baronio wrote:
>>>>
>>>> Thank you Shehjar,
>>>>   as we are planning to use glsuterfs in a production environment, we
>>>> prefer to stay with the 3.1 stable version.
>>>> As for now the port forwarding seems to work properly, because
>>>> XenServer,
>>>> after the testing step on port 2049,  correctly connects to the nfs
>>>> share
>>>> using the right ports.
>>>> I just have the problem that I cannot mount a NFS share subdirectory.
>>>>  XenServer, when creating the sr, makes a new directory (the sr uuid)
>>>> just
>>>> under the share root and put its VM file under that directory.
>>>> When mounting that subdir, Glusterfs returns the "No such file or
>>>> directory" error.
>>>
>>> Thats because by default Gluster NFS only exports volumes as NFS exports
>>> not
>>> the directories inside those volumes.
>>>
>>> How does this work with knfs? Even that will return the same error
>>> because
>>> the newly created directory will not exist in /etc/exports.
>>>
>>> Thanks
>>> -Shehjar
>>>
>>>
>>>> Thank you
>>>> Stefano Baronio
>>>>
>>>> 2010/11/11  Tikoo <shehjart at gluster.com <mailto:shehjart at gluster.com>>
>>>>
>>>>   Yes. That was a limitation on 3.1 release and is already fixed in
>>>>   mainline. This support allows you to change the nfs port number that
>>>>   Gluster NFS uses by default. It'll be available in 3.1.1 but if
>>>>   you'd like to test right away, please use 3.1.1qa5 by checking it
>>>>   out from the repository:
>>>>
>>>>   $ git clone git://git.gluster.com/glusterfs.git
>>>>   <http://git.gluster.com/glusterfs.git>
>>>>   $ cd glusterfs
>>>>   $ git checkout -b v3.1.1qa5 3.1.1qa5
>>>>
>>>>   Then build and install.
>>>>
>>>>   To change the nfs port, locate the volume section nfs/server in
>>>>   /etc/glusterd/nfs/nfs-server.vol and add the following line:
>>>>
>>>>   option nfs.port 2049
>>>>
>>>>   Note that this option is not yet available in the gluster CLI, so
>>>>   you'll have to manually edit this file and restart the gluster nfs
>>>>   daemon. Be careful while using that tool, because on a restart of a
>>>>   volume using gluster CLI, your edited volume file will get
>>>>   over-written with the default version.
>>>>
>>>>
>>>>   Thanks
>>>>   -Shehjar
>>>>
>>>>   Stefano Baronio wrote:
>>>>
>>>>       Hello all,
>>>>        I'm new to the list and I'm working on glusterfs since a month
>>>>       right now.
>>>>       I'm posting a request about how to get XenServer working with
>>>>       Glusterfs.
>>>>
>>>>       I have a standard setup of both XenServer and Glusterfs.
>>>>       I can mount the glusterfs nfs share from the Xen CLI, write in
>>>>       it and mount
>>>>       it as an ISO library as well.
>>>>       I just can't mount it for storage purpose.
>>>>       It seems that XenServer is testing the NFS share directly to
>>>>       port 2049,
>>>>       without checking with portmapper.
>>>>
>>>>       I have tried to make glusterfs listen on port 2049 without any
>>>>       success, so I
>>>>       have setup a port forwarding on the gluster server.
>>>>       Lets say:
>>>>       xen01 - 192.168.14.33
>>>>       xenfs01 (gluster nfs) - 192.168.14.61
>>>>
>>>>       The iptables settings are:
>>>>       iptables -A PREROUTING -d 192.168.14.61 -p tcp -m tcp --dport
>>>>       2049 -j DNAT
>>>>       --to-destination 192.168.14.61:38467 <http://192.168.14.61:38467>
>>>>       iptables -A FORWARD -d 192.168.14.61 -p tcp -m tcp --dport 38467
>>>>       -j ACCEPT
>>>>
>>>>       Now XenServer can correctly test the gluster nfs share. It
>>>>       creates the
>>>>       sr-uuid directory in it, but it can't mount it, with the
>>>>       following error:
>>>>       FAILED: (errno 32) stdout: '', stderr: 'mount:
>>>>       xenfs01:/xenfs/1ca32487-42fe-376e-194c-17f78afc006c failed,
>>>>       reason given by
>>>>       server: No such file or directory
>>>>
>>>>       Any help appreciated.
>>>>       Thank you
>>>>
>>>>       Stefano
>>>>
>>>>
>>>>
>>>>
>>>>
>>>>  ------------------------------------------------------------------------
>>>>
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>>>>
>>>>
>>>>
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>
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