Re: How to confirm whether the rbd cache is open?

[Wido den Hollander <wido@xxxxxxxx>]

On 01/10/2014 10:36 AM, 叶绍琛 wrote:
> Hi, all
>
> When I use rbd device, I set rbd cache config info in ceph.conf file.
> like this:
> [client]
>     rbd cache = true
>
> But, How can I confirm whether the rbd cache was opened?

You could configure a admin socket like:

[client]
  rbd cache = true
  admin socket = /tmp/rbd-$name.sock

You can then query the admin socket and verify if the RBD cache is enabled.

> Regards
>
> Alan Ye (yeshaochen@xxxxxxxxxxx)
>
> ------------------
> Alan Ye
>
>
>
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--
Wido den Hollander
42on B.V.

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