Re: [ceph-users] Migrating to new pools

On Mon, Feb 26, 2018 at 9:56 AM, Eugen Block wrote: > I'm following up on the rbd export/import option with a little delay. > > The fact that the snapshot is not protected after the image is reimported is > not a big problem, you could deal with that or wait for a fix. > But

Re: [ceph-users] Migrating to new pools

I'm following up on the rbd export/import option with a little delay. The fact that the snapshot is not protected after the image is reimported is not a big problem, you could deal with that or wait for a fix. But there's one major problem using this method: the VMs lose their rbd_children

Re: [ceph-users] Migrating to new pools

Cumulative followup to various insightful replies. I wrote: No, it's not really possible currently and we have no plans to add >>> such support since it would not be of any long-term value. >> >> The long-term value would be the ability to migrate volumes from, say, a >> replicated pool

Re: [ceph-users] Migrating to new pools

On Wed, Feb 21, 2018 at 7:27 PM, Anthony D'Atri wrote: >>> I was thinking we might be able to configure/hack rbd mirroring to mirror to >>> a pool on the same cluster but I gather from the OP and your post that this >>> is not really possible? >> >> No, it's not really

Re: [ceph-users] Migrating to new pools

"Anthony D'Atri" <a...@dreamsnake.net> > À: "ceph-users" <ceph-users@lists.ceph.com> > Envoyé: Jeudi 22 Février 2018 01:27:23 > Objet: Re: [ceph-users] Migrating to new pools > > >> I was thinking we might be able to configure/hack rbd

Re: [ceph-users] Migrating to new pools

'Atri" <a...@dreamsnake.net> À: "ceph-users" <ceph-users@lists.ceph.com> Envoyé: Jeudi 22 Février 2018 01:27:23 Objet: Re: [ceph-users] Migrating to new pools >> I was thinking we might be able to configure/hack rbd mirroring to mirror to >> a pool on the same cl

Re: [ceph-users] Migrating to new pools

>> I was thinking we might be able to configure/hack rbd mirroring to mirror to >> a pool on the same cluster but I gather from the OP and your post that this >> is not really possible? > > No, it's not really possible currently and we have no plans to add > such support since it would not be of

Re: [ceph-users] Migrating to new pools

On Tue, Feb 20, 2018 at 8:35 PM, Rafael Lopez wrote: >> There is also work-in-progress for online >> image migration [1] that will allow you to keep using the image while >> it's being migrated to a new destination image. > > > Hi Jason, > > Is there any recommended

Re: [ceph-users] Migrating to new pools

> > There is also work-in-progress for online > image migration [1] that will allow you to keep using the image while > it's being migrated to a new destination image. Hi Jason, Is there any recommended method/workaround for live rbd migration in luminous? eg. snapshot/copy or export/import

Re: [ceph-users] Migrating to new pools

Thanks! On Mon, Feb 19, 2018 at 10:33 AM, Eugen Block wrote: > Hi, > > I created a ticket for the rbd import issue: > > https://tracker.ceph.com/issues/23038 > > Regards, > > Eugen > > > Zitat von Jason Dillaman : > >> On Fri, Feb 16, 2018 at 11:20 AM, Eugen

Re: [ceph-users] Migrating to new pools

Hi, I created a ticket for the rbd import issue: https://tracker.ceph.com/issues/23038 Regards, Eugen Zitat von Jason Dillaman : On Fri, Feb 16, 2018 at 11:20 AM, Eugen Block wrote: Hi Jason, ... also forgot to mention "rbd export --export-format 2"

Re: [ceph-users] Migrating to new pools

On Fri, Feb 16, 2018 at 11:20 AM, Eugen Block wrote: > Hi Jason, > >> ... also forgot to mention "rbd export --export-format 2" / "rbd >> import --export-format 2" that will also deeply export/import all >> snapshots associated with an image and that feature is available in >> the

Re: [ceph-users] Migrating to new pools

Hi Jason, ... also forgot to mention "rbd export --export-format 2" / "rbd import --export-format 2" that will also deeply export/import all snapshots associated with an image and that feature is available in the Luminous release. thanks for that information, this could be very valuable for

Re: [ceph-users] Migrating to new pools

On Fri, Feb 16, 2018 at 8:08 AM, Jason Dillaman wrote: > On Fri, Feb 16, 2018 at 5:36 AM, Jens-U. Mozdzen wrote: >> Dear list, hello Jason, >> >> you may have seen my message on the Ceph mailing list about RDB pool >> migration - it's a common subject that

Re: [ceph-users] Migrating to new pools

On Fri, Feb 16, 2018 at 5:36 AM, Jens-U. Mozdzen wrote: > Dear list, hello Jason, > > you may have seen my message on the Ceph mailing list about RDB pool > migration - it's a common subject that pools were created in a sub-optimum > fashion and i. e. pgnum is (not yet)

Re: [ceph-users] Migrating to new pools

Dear list, hello Jason, you may have seen my message on the Ceph mailing list about RDB pool migration - it's a common subject that pools were created in a sub-optimum fashion and i. e. pgnum is (not yet) reducible, so we're looking into means to "clone" an RBD pool into a new pool within

Re: [ceph-users] Migrating to new pools

Hi *, Zitat von ceph-users-requ...@lists.ceph.com: Hi *, facing the problem to reduce the number of PGs for a pool, I've found various information and suggestions, but no "definite guide" to handle pool migration with Ceph 12.2.x. This seems to be a fairly common problem when having to deal

Re: [ceph-users] Migrating to new pools (RBD, CephFS)

Hi, If the problem is not severe and you can wait, then according to this: http://ceph.com/community/new-luminous-pg-overdose-protection/ there is a pg merge feature coming. Regards, Denes. On 12/18/2017 02:18 PM, Jens-U. Mozdzen wrote: Hi *, facing the problem to reduce the number of

Re: [ceph-users] Migrating to new pools (RBD, CephFS)

A possible option. They do not recommend using cppool. http://lists.ceph.com/pipermail/ceph-users-ceph.com/2016-July/011460.html **COMPLETELY UNTESTED AND DANGEROUS** stop all MDS daemons delete your filesystem (but leave the pools) use "rados export" and "rados import" to do a full copy of the

[ceph-users] Migrating to new pools (RBD, CephFS)

Hi *, facing the problem to reduce the number of PGs for a pool, I've found various information and suggestions, but no "definite guide" to handle pool migration with Ceph 12.2.x. This seems to be a fairly common problem when having to deal with "teen-age clusters", so consolidated