Please do feel free to write a patch - you can probably do the best job, given that the questions are still fresh in your mind.
On 1 March 2015 at 21:37, Nikesh Kumar Mahalka <nikeshmaha...@vedams.com> wrote: > > Thanks, > I think if these informations are added in openstack documents having > topic "volume migration" then it would be good for new folks in cinder. > > Regards > Nikesh > > On Sun, Mar 1, 2015 at 10:12 PM, Duncan Thomas <duncan.tho...@gmail.com> > wrote: > >> Migrate - move between backends of the same volume type >> Retype - move between types. Will migrate the volume for you if necessary >> >> On 1 March 2015 at 09:40, Avishay Traeger <avis...@stratoscale.com> >> wrote: >> >>> Nikesh, >>> The case you are trying is supposed to fail. You have a volume of type >>> dothill_realstor1 which is defined to say "this volume must be on backend >>> DotHill_RealStor1". This is a requirement that you defined for that >>> volume. Now you want to migrate it to realstor2, which is a violation of >>> the requirement that you specified. To migrate it, you should change the >>> volume type (retype), which changes the requirement. >>> >>> Thanks, >>> Avishay >>> >>> On Sat, Feb 28, 2015 at 11:02 AM, Nikesh Kumar Mahalka < >>> nikeshmaha...@vedams.com> wrote: >>> >>>> I tried below link for volume migration on my driver and also similar >>>> efforts for LVM. >>>> Even whatever documents available in openstack for >>>> volume-migration,each one showing volume migration of a volume having >>>> volume type None >>>> >>>> I added host assisted volume migration function in my cinder driver. >>>> When i am trying volume migration on a volume without volume type,then >>>> my volume migration function is getting called and i am able to do >>>> volume migration. >>>> >>>> But when i am trying volume migration on a volume having volume >>>> type,then my volume migration function is not getting called. >>>> >>>> >>>> http://paste.openstack.org/show/183392/ >>>> http://paste.openstack.org/show/183405/ >>>> >>>> >>>> >>>> On Tue, Jan 20, 2015 at 12:31 AM, Nikesh Kumar Mahalka >>>> <nikeshmaha...@vedams.com> wrote: >>>> > do cinder retype (v2) works for lvm? >>>> > How to use cinder retype? >>>> > >>>> > I tried for volume migration from one volume-type LVM backend to >>>> > another volume-type LVM backend.But its failed. >>>> > How can i acheive this? >>>> > >>>> > Similarly i am writing a cinder volume driver for my array and want to >>>> > migrate volume from one volume type to another volume type for my >>>> > array backends. >>>> > so want to know how can i achieve this in cinder driver? >>>> > >>>> > >>>> > >>>> > Regards >>>> > Nikesh >>>> >>>> >>>> __________________________________________________________________________ >>>> OpenStack Development Mailing List (not for usage questions) >>>> Unsubscribe: >>>> openstack-dev-requ...@lists.openstack.org?subject:unsubscribe >>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >>>> >>> >>> >>> >>> -- >>> *Avishay Traeger* >>> *Storage R&D* >>> >>> Mobile: +972 54 447 1475 >>> E-mail: avis...@stratoscale.com >>> >>> >>> >>> Web <http://www.stratoscale.com/> | Blog >>> <http://www.stratoscale.com/blog/> | Twitter >>> <https://twitter.com/Stratoscale> | Google+ >>> <https://plus.google.com/u/1/b/108421603458396133912/108421603458396133912/posts> >>> | Linkedin <https://www.linkedin.com/company/stratoscale> >>> >>> >>> __________________________________________________________________________ >>> OpenStack Development Mailing List (not for usage questions) >>> Unsubscribe: >>> openstack-dev-requ...@lists.openstack.org?subject:unsubscribe >>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >>> >>> >> >> >> -- >> Duncan Thomas >> >> __________________________________________________________________________ >> OpenStack Development Mailing List (not for usage questions) >> Unsubscribe: >> openstack-dev-requ...@lists.openstack.org?subject:unsubscribe >> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev >> >> > > __________________________________________________________________________ > OpenStack Development Mailing List (not for usage questions) > Unsubscribe: openstack-dev-requ...@lists.openstack.org?subject:unsubscribe > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack-dev > > -- Duncan Thomas
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