When you set "--stripe-count" to 1 and set the "--stripe-unit" to the object size, you have actually explicitly told the rbd CLI to not use "fancy" striping. A better example would be something like: rbd clone --stripe-unit 4K --stripe-count 16 storage1/cloudlet-1@snap1 storage1/cloudlet-1-clone -- Jason Dillaman ----- Original Message ----- > From: "Bill WONG" <wongahshuen@xxxxxxxxx> > To: "Jason Dillaman" <dillaman@xxxxxxxxxx> > Cc: "ceph-users" <ceph-users@xxxxxxxxxxxxxx> > Sent: Thursday, January 28, 2016 10:08:38 PM > Subject: Re: Striping feature gone after flatten with cloned > images > hi jason, > how i can make the stripping parameters st the time of clone creation? as i > have tested, which looks doesn't work properly.. > the clone image still without stripping.. any idea? > -- > rbd clone --stripe-unit 4096K --stripe-count 1 storage1/cloudlet-1@snap1 > storage1/cloudlet-1-clone > rbd flatten storage1/cloudlet-1-clone > rbd info storage1/cloudlet-1-clone > rbd image 'cloudlet-1-clone': > size 1000 GB in 256000 objects > order 22 (4096 kB objects) > block_name_prefix: rbd_data.5ecd364dfe1f8 > format: 2 > features: layering > flags: > --- > On Fri, Jan 29, 2016 at 3:54 AM, Jason Dillaman < dillaman@xxxxxxxxxx > > wrote: > > You must specify the clone's striping parameters at the time of its > > creation > > -- it is not inherited from the parent image. > > > -- > > > Jason Dillaman > > > ----- Original Message ----- > > > > From: "Bill WONG" < wongahshuen@xxxxxxxxx > > > > > To: "ceph-users" < ceph-users@xxxxxxxxxxxxxx > > > > > Sent: Thursday, January 28, 2016 1:25:12 PM > > > > Subject: Striping feature gone after flatten with cloned > > > images > > > > Hi, > > > > i have tested with the flatten: > > > > 1) make a snapshot of image > > > > 2) protect the snapshot > > > > 3) clone the snapshot > > > > 4) flatten the clone > > > > then i found issue: > > > > with the original image / snapshot or the clone before flatten, all are > > > with > > > > stripping feature, BUT after flattened the clone, then there is no more > > > > Stripping with the clone image...what is the issue? and how can enable > > > the > > > > striping feature? > > > > thank you! > > > > _______________________________________________ > > > > ceph-users mailing list > > > > ceph-users@xxxxxxxxxxxxxx > > > > http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com
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