enable rbd on ec pool ?

enable rbd on ec pool ?

[Tomy Cheru]

Is there a patch available to enable rbd over an EC pool ?

Currently its restricted,
2015-10-12 10:52:23.042085 7f4721ca1840 -1 librbd: error adding image to directory: (95) Operation not supported
rbd: create error: (95) Operation not supported

Thanks,
tomy


________________________________

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Re: enable rbd on ec pool ?

[Loic Dachary]

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Hi Tomy,

On 13/10/2015 06:13, Tomy Cheru wrote:
> Is there a patch available to enable rbd over an EC pool ?

You have to go through a cache tier instead of using it directly. See http://docs.ceph.com/docs/master/rados/operations/cache-tiering/ for more information.

Cheers

> 
> Currently its restricted,
> 2015-10-12 10:52:23.042085 7f4721ca1840 -1 librbd: error adding image to directory: (95) Operation not supported
> rbd: create error: (95) Operation not supported
> 
> Thanks,
> tomy
> 
> 
> ________________________________
> 
> PLEASE NOTE: The information contained in this electronic mail message is intended only for the use of the designated recipient(s) named above. If the reader of this message is not the intended recipient, you are hereby notified that you have received this message in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this communication in error, please notify the sender by telephone or e-mail (as shown above) immediately and destroy any and all copies of this message in your possession (whether hard copies or electronically stored copies).
> 
> --
> To unsubscribe from this list: send the line "unsubscribe ceph-devel" in
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> More majordomo info at  http://vger.kernel.org/majordomo-info.html
> 

-- 
Loïc Dachary, Artisan Logiciel Libre


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RE: enable rbd on ec pool ?

[Tomy Cheru]

Hi Loic,
		Thanks for your response, 

however am specifically looking for a patch to enable rbd on ec pool(am aware of cache tier option).

Thanks,
tomy

-----Original Message-----
From: Loic Dachary [mailto:loic@dachary.org] 
Sent: Tuesday, October 13, 2015 12:47 PM
To: Tomy Cheru; ceph-devel@vger.kernel.org
Subject: Re: enable rbd on ec pool ?

Hi Tomy,

On 13/10/2015 06:13, Tomy Cheru wrote:
> Is there a patch available to enable rbd over an EC pool ?

You have to go through a cache tier instead of using it directly. See http://docs.ceph.com/docs/master/rados/operations/cache-tiering/ for more information.

Cheers

> 
> Currently its restricted,
> 2015-10-12 10:52:23.042085 7f4721ca1840 -1 librbd: error adding image 
> to directory: (95) Operation not supported
> rbd: create error: (95) Operation not supported
> 
> Thanks,
> tomy
> 
> 
> ________________________________
> 
> PLEASE NOTE: The information contained in this electronic mail message is intended only for the use of the designated recipient(s) named above. If the reader of this message is not the intended recipient, you are hereby notified that you have received this message in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this communication in error, please notify the sender by telephone or e-mail (as shown above) immediately and destroy any and all copies of this message in your possession (whether hard copies or electronically stored copies).
> 
> --
> To unsubscribe from this list: send the line "unsubscribe ceph-devel" 
> in the body of a message to majordomo@vger.kernel.org More majordomo 
> info at  http://vger.kernel.org/majordomo-info.html
> 

--
Loïc Dachary, Artisan Logiciel Libre

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Re: enable rbd on ec pool ?

[Loic Dachary]

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On 13/10/2015 09:59, Tomy Cheru wrote:
> Hi Loic,
> 		Thanks for your response, 
> 
> however am specifically looking for a patch to enable rbd on ec pool(am aware of cache tier option).

Ah :-) I'm not aware of such a patch, even in draft state.

> Thanks,
> tomy
> 
> -----Original Message-----
> From: Loic Dachary [mailto:loic@dachary.org] 
> Sent: Tuesday, October 13, 2015 12:47 PM
> To: Tomy Cheru; ceph-devel@vger.kernel.org
> Subject: Re: enable rbd on ec pool ?
> 
> Hi Tomy,
> 
> On 13/10/2015 06:13, Tomy Cheru wrote:
>> Is there a patch available to enable rbd over an EC pool ?
> 
> You have to go through a cache tier instead of using it directly. See http://docs.ceph.com/docs/master/rados/operations/cache-tiering/ for more information.
> 
> Cheers
> 
>>
>> Currently its restricted,
>> 2015-10-12 10:52:23.042085 7f4721ca1840 -1 librbd: error adding image 
>> to directory: (95) Operation not supported
>> rbd: create error: (95) Operation not supported
>>
>> Thanks,
>> tomy
>>
>>
>> ________________________________
>>
>> PLEASE NOTE: The information contained in this electronic mail message is intended only for the use of the designated recipient(s) named above. If the reader of this message is not the intended recipient, you are hereby notified that you have received this message in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this communication in error, please notify the sender by telephone or e-mail (as shown above) immediately and destroy any and all copies of this message in your possession (whether hard copies or electronically stored copies).
>>
>> --
>> To unsubscribe from this list: send the line "unsubscribe ceph-devel" 
>> in the body of a message to majordomo@vger.kernel.org More majordomo 
>> info at  http://vger.kernel.org/majordomo-info.html
>>
> 
> --
> Loïc Dachary, Artisan Logiciel Libre
> 

-- 
Loïc Dachary, Artisan Logiciel Libre


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Re: enable rbd on ec pool ?

[Sage Weil]

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On Tue, 13 Oct 2015, Loic Dachary wrote:
> 
> 
> On 13/10/2015 09:59, Tomy Cheru wrote:
> > Hi Loic,
> > 		Thanks for your response, 
> > 
> > however am specifically looking for a patch to enable rbd on ec pool(am aware of cache tier option).
> 
> Ah :-) I'm not aware of such a patch, even in draft state.

It was a topic of discussion at the last CDS, but it's a big effort to 
make this work, and I don't think anybody has started yet.

http://tracker.ceph.com/projects/ceph/wiki/Osd_-_erasure_coding_pool_overwrite_support

https://www.youtube.com/watch?v=QVWVIBFbTcU&list=PLrBUGiINAakNGDE42uLyU2S1s_9HVevK-&index=12

sage

> 
> > Thanks,
> > tomy
> > 
> > -----Original Message-----
> > From: Loic Dachary [mailto:loic@dachary.org] 
> > Sent: Tuesday, October 13, 2015 12:47 PM
> > To: Tomy Cheru; ceph-devel@vger.kernel.org
> > Subject: Re: enable rbd on ec pool ?
> > 
> > Hi Tomy,
> > 
> > On 13/10/2015 06:13, Tomy Cheru wrote:
> >> Is there a patch available to enable rbd over an EC pool ?
> > 
> > You have to go through a cache tier instead of using it directly. See http://docs.ceph.com/docs/master/rados/operations/cache-tiering/ for more information.
> > 
> > Cheers
> > 
> >>
> >> Currently its restricted,
> >> 2015-10-12 10:52:23.042085 7f4721ca1840 -1 librbd: error adding image 
> >> to directory: (95) Operation not supported
> >> rbd: create error: (95) Operation not supported
> >>
> >> Thanks,
> >> tomy
> >>
> >>
> >> ________________________________
> >>
> >> PLEASE NOTE: The information contained in this electronic mail message is intended only for the use of the designated recipient(s) named above. If the reader of this message is not the intended recipient, you are hereby notified that you have received this message in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this communication in error, please notify the sender by telephone or e-mail (as shown above) immediately and destroy any and all copies of this message in your possession (whether hard copies or electronically stored copies).
> >>
> >> --
> >> To unsubscribe from this list: send the line "unsubscribe ceph-devel" 
> >> in the body of a message to majordomo@vger.kernel.org More majordomo 
> >> info at  http://vger.kernel.org/majordomo-info.html
> >>
> > 
> > --
> > Loïc Dachary, Artisan Logiciel Libre
> > 
> 
> -- 
> Loïc Dachary, Artisan Logiciel Libre
> 
> 

RE: enable rbd on ec pool ?

[Tomy Cheru]

Thanks Sage, Loic

-----Original Message-----
From: Sage Weil [mailto:sage@newdream.net] 
Sent: Tuesday, October 13, 2015 6:51 PM
To: Loic Dachary
Cc: Tomy Cheru; ceph-devel@vger.kernel.org
Subject: Re: enable rbd on ec pool ?

On Tue, 13 Oct 2015, Loic Dachary wrote:
> 
> 
> On 13/10/2015 09:59, Tomy Cheru wrote:
> > Hi Loic,
> > 		Thanks for your response,
> > 
> > however am specifically looking for a patch to enable rbd on ec pool(am aware of cache tier option).
> 
> Ah :-) I'm not aware of such a patch, even in draft state.

It was a topic of discussion at the last CDS, but it's a big effort to make this work, and I don't think anybody has started yet.

http://tracker.ceph.com/projects/ceph/wiki/Osd_-_erasure_coding_pool_overwrite_support

https://www.youtube.com/watch?v=QVWVIBFbTcU&list=PLrBUGiINAakNGDE42uLyU2S1s_9HVevK-&index=12

sage

> 
> > Thanks,
> > tomy
> > 
> > -----Original Message-----
> > From: Loic Dachary [mailto:loic@dachary.org]
> > Sent: Tuesday, October 13, 2015 12:47 PM
> > To: Tomy Cheru; ceph-devel@vger.kernel.org
> > Subject: Re: enable rbd on ec pool ?
> > 
> > Hi Tomy,
> > 
> > On 13/10/2015 06:13, Tomy Cheru wrote:
> >> Is there a patch available to enable rbd over an EC pool ?
> > 
> > You have to go through a cache tier instead of using it directly. See http://docs.ceph.com/docs/master/rados/operations/cache-tiering/ for more information.
> > 
> > Cheers
> > 
> >>
> >> Currently its restricted,
> >> 2015-10-12 10:52:23.042085 7f4721ca1840 -1 librbd: error adding 
> >> image to directory: (95) Operation not supported
> >> rbd: create error: (95) Operation not supported
> >>
> >> Thanks,
> >> tomy
> >>
> >>
> >> ________________________________
> >>
> >> PLEASE NOTE: The information contained in this electronic mail message is intended only for the use of the designated recipient(s) named above. If the reader of this message is not the intended recipient, you are hereby notified that you have received this message in error and that any review, dissemination, distribution, or copying of this message is strictly prohibited. If you have received this communication in error, please notify the sender by telephone or e-mail (as shown above) immediately and destroy any and all copies of this message in your possession (whether hard copies or electronically stored copies).
> >>
> >> --
> >> To unsubscribe from this list: send the line "unsubscribe ceph-devel" 
> >> in the body of a message to majordomo@vger.kernel.org More 
> >> majordomo info at  http://vger.kernel.org/majordomo-info.html
> >>
> > 
> > --
> > Loïc Dachary, Artisan Logiciel Libre
> > 
> 
> --
> Loïc Dachary, Artisan Logiciel Libre
> 
> 
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