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 <dieter.kasper@xxxxxxxxxxxxxx> 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]dieter.kasper@xxxxxxxxxxxxxx> wrote:> [2]ceph-users@xxxxxxxxxxxxxx
>
> 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
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> References
>
> Visible links
> 1. mailto:dieter.kasper@xxxxxxxxxxxxxx
> 2. mailto:ceph-users@xxxxxxxxxxxxxx
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