I upgraded to Jewel from Hammer and was able to enable those features on
all of my rbds that were format 2, which yours is.  Just test it on some
non customer data and see how it goes.

On Fri, Jun 23, 2017, 4:33 PM Massimiliano Cuttini <m...@phoenixweb.it>
wrote:

> Ok,
>
> At moment my client use only nbd-rbd, can I use all these feature or this
> is something unavoidable?
> I guess it's ok.
>
> Reading around seems that a lost feature cannot be re-enabled due to
> back-compatibility with old clients.
> ... I guess I'll need to export and import in a new image fully feature.
> Is it?
>
>
>
>
> Il 23/06/2017 22:25, David Turner ha scritto:
>
> All of the features you are talking about likely require the
> exclusive-lock which requires the 4.9 linux kernel.  You cannot map any
> RBDs that have these features enabled with any kernel older than that.
>
> The features you can enable are layering, exclusive-lock, object-map, and
> fast-diff.  You cannot enable deep-flatten on any RBD ever.  RBD's can only
> be created with that feature.  You may need to enable these in a specific
> order.  I believe that the order I have the features listed is the order
> you need to enable them in, at least that order should work.
>
> On Fri, Jun 23, 2017 at 3:41 PM Massimiliano Cuttini <m...@phoenixweb.it>
> wrote:
>
>> Hi everybody,
>>
>> I just realize that all my Images are completly without features:
>>
>> rbd info VHD-4c7ebb38-b081-48da-9b57-aac14bdf88c4
>> rbd image 'VHD-4c7ebb38-b081-48da-9b57-aac14bdf88c4':
>>         size 102400 MB in 51200 objects
>>         order 21 (2048 kB objects)
>>         block_name_prefix: rbd_data.5fde2ae8944a
>>         format: 2
>>         features:
>>         flags:
>>
>> try to enabling them will get this error:
>>
>> rbd: failed to update image features: (22) Invalid argument
>> 2017-06-23 21:20:03.748746 7fdec1b34d80 -1 librbd: cannot update immutable 
>> features
>>
>> I read on the guide I shoulded had place in the config
>> rbd_default_features
>>
>> What can I do now to enable this feature all feature of jewel on all
>> images?
>> Can I insert all the feature of jewel or is there any issue with old
>> kernel?
>>
>>
>> Thanks,
>> Max
>> _______________________________________________
>> ceph-users mailing list
>> ceph-users@lists.ceph.com
>> http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
>>
>
>
_______________________________________________
ceph-users mailing list
ceph-users@lists.ceph.com
http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com

Reply via email to