Re: [ceph-users] RBD v1 image format ...

2017-01-12 Thread Shinobu Kinjo
It would be more appreciated to provide users with evaluation results of migration and recovery tools by QA to avoid any disaster on production environment, and get agreement with them e.g., #1 Scenarios we test #2 Images spec we use and some Does it make sense, or too much? Regards, On

Re: [ceph-users] RBD v1 image format ...

2017-01-11 Thread Jason Dillaman
On Wed, Jan 11, 2017 at 10:43 PM, Shinobu Kinjo wrote: > +2 > * Reduce manual operation as much as possible. > * A recovery tool in case that we break something which would not > appear to us initially. I definitely agree that this is an overdue tool and we have an upstream

Re: [ceph-users] RBD v1 image format ...

2017-01-11 Thread Shinobu Kinjo
On Thu, Jan 12, 2017 at 12:28 PM, Christian Balzer wrote: > > Hello, > > On Wed, 11 Jan 2017 11:09:46 -0500 Jason Dillaman wrote: > >> I would like to propose that starting with the Luminous release of Ceph, >> RBD will no longer support the creation of v1 image format images via

Re: [ceph-users] RBD v1 image format ...

2017-01-11 Thread Christian Balzer
Hello, On Wed, 11 Jan 2017 11:09:46 -0500 Jason Dillaman wrote: > I would like to propose that starting with the Luminous release of Ceph, > RBD will no longer support the creation of v1 image format images via the > rbd CLI and librbd. > > We previously made the v2 image format the default

Re: [ceph-users] RBD v1 image format ...

2017-01-11 Thread Shinobu Kinjo
On Thu, Jan 12, 2017 at 2:41 AM, Ilya Dryomov wrote: > On Wed, Jan 11, 2017 at 6:01 PM, Shinobu Kinjo wrote: >> It would be fine to not support v1 image format at all. >> >> But it would be probably friendly for users to provide them with more >>

Re: [ceph-users] RBD v1 image format ...

2017-01-11 Thread Ilya Dryomov
On Wed, Jan 11, 2017 at 5:09 PM, Jason Dillaman wrote: > I would like to propose that starting with the Luminous release of Ceph, RBD > will no longer support the creation of v1 image format images via the rbd > CLI and librbd. > > We previously made the v2 image format the

Re: [ceph-users] RBD v1 image format ...

2017-01-11 Thread Shinobu Kinjo
It would be fine to not support v1 image format at all. But it would be probably friendly for users to provide them with more understandable message when they face feature mismatch instead of just displaying: * rbd: map failed: (6) No such device or address For instance, show the following

[ceph-users] RBD v1 image format ...

2017-01-11 Thread Jason Dillaman
I would like to propose that starting with the Luminous release of Ceph, RBD will no longer support the creation of v1 image format images via the rbd CLI and librbd. We previously made the v2 image format the default and deprecated the v1 format under the Jewel release. It is important to note