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
>
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>
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