[Gluster-users] O_DIRECT (I think) again

[Joe Julian]

Yeah, hard to maintain something that's complete and has no bugs.

On February 15, 2015 8:20:36 AM PST, Artem Kuzmitskiy <artem.kuzmitskiy at gmail.com> wrote:
>Hi,
>We're using liboindirect and it's works. Regarding "not mantained" -
>it's
>not required bz this is very simple and short lib.
>
>2015-02-13 18:55 GMT+03:00 Anand Avati <avati at gluster.org>:
>
>> O_DIRECT support in fuse has been for quite some time now, surely
>well
>> before 3.4
>>
>> On Fri, Feb 13, 2015, 02:37 Pedro Serotto <pedro.serotto at yahoo.es>
>wrote:
>>
>>> Dear All,
>>>
>>> I am actually using the following software stack:
>>>
>>> debian wheezy with kernel 3.2.0-4-amd64, glusterfs 3.6.2, openstack
>Juno,
>>> libvirt 1.2.9.
>>>
>>> If I try to attach a block storage to a running vm, Openstack shows
>the
>>> following error:
>>> "DeviceIsBusy: The supplied device (vdc) is busy".
>>>
>>> If I try to attach a block storage to a running vm, Libvirt shows
>the
>>> following error:
>>>  "qemuMonitorTextAddDrive:2621 : operation failed: open disk image
>file
>>> failed"
>>>
>>> Looking up for this issue on the web, I found out that Libvirt tries
>to
>>> open the block device by using  O_DIRECT flag on; This last one is
>>> supported only by fuse for kernel >3.4.
>>> Therefore, I tried to apply some options (
>>> http://www.gluster.org/documentation/use_cases/Virt-store-usecase/)
>to
>>> Gluster, but the problem has not been solved.
>>> I also found  https://github.com/avati/liboindirect but it is old
>and
>>> not mantained.
>>>
>>> Does somebody found himself in the same situation? If yes, could you
>>> please show me how to solve it by mainteining the same version of my
>>> software stack.
>>>
>>>
>>> Thanks&Regards
>>>
>>> Pedro
>>>
>>>
>>> _______________________________________________
>>> Gluster-users mailing list
>>> Gluster-users at gluster.org
>>> http://www.gluster.org/mailman/listinfo/gluster-users
>>
>>
>> _______________________________________________
>> Gluster-users mailing list
>> Gluster-users at gluster.org
>> http://www.gluster.org/mailman/listinfo/gluster-users
>>
>
>
>
>-- 
>Best regards,
>Artem Kuzmitskiy
>Severnoe DB JSC
>
>
>------------------------------------------------------------------------
>
>_______________________________________________
>Gluster-users mailing list
>Gluster-users at gluster.org
>http://www.gluster.org/mailman/listinfo/gluster-users

-- 
Sent from my Android device with K-9 Mail. Please excuse my brevity.
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://www.gluster.org/pipermail/gluster-users/attachments/20150215/114770cf/attachment.html>