of course. rbd userland utilities provide you create images on RADOS as block storage.
On Tue, Mar 11, 2014 at 7:37 PM, Kasper Dieter <[email protected] > wrote: > I know, that format2 in rbd.ko is supported with kernel version 3.10 and > above. > > But, if I want to create an rbd-image > only the Ceph Userland services should be involved, shouldn't it ? > > -Dieter > > BTW the kernel version on the nodes hosting the OSDs processes is > 2.6.32-358.el6.x86_64 > but I can also boot with a 3.10.32 kernel. > > > On Tue, Mar 11, 2014 at 02:57:05PM +0100, Srinivasa Rao Ragolu wrote: > > Please check the kernel version . Only kernel version 3.10 and above > are > > supported to create format type 2 images. > > > > On Tue, Mar 11, 2014 at 7:16 PM, Kasper Dieter > > <[1][email protected]> wrote: > > > > When using "rbd create ... --image-format 2" in some cases this CMD > is > > rejected by > > EINVAL with the message "librbd: STRIPINGV2 and format 2 or later > > required for non-default striping" > > But, in v0.61.9 "STRIPINGV2 and format 2" should be supported > > > > [root@rx37-3 ~]# rbd create --pool SSD-r2 --size 20480 --order 16 > > --image-format 2 --stripe-unit 65536 --stripe-count 4 t2 > > rbd: create error: (22) Invalid argument > > 2014-03-11 14:39:03.885185 7f15bc170760 -1 librbd: STRIPINGV2 and > format > > 2 or later required for non-default striping > > > > [root@rx37-3 ~]# ceph -v > > ceph version 0.61.9 (7440dcd135750839fa0f00263f80722ff6f51e90) > > > > Any hints ? > > > > Regards, > > -Dieter > > _______________________________________________ > > ceph-users mailing list > > [2][email protected] > > [3]http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com > > > > References > > > > Visible links > > 1. mailto:[email protected] > > 2. mailto:[email protected] > > 3. http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com >
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