Re: Statistics / Nagios

[Stefan Priebe <s.priebe@profihost.ag>]

Hi Greg,

Am 25.11.2012 20:08, schrieb Gregory Farnum:
> On Sunday, November 25, 2012 at 10:26 AM, Stefan Priebe wrote:
>> Hello list,
>>
>> are there any useful statistics for ceph? ceph -s shows just the status
>> but i would like to record something which gives me an idea about the
>> ceph load or usage.
>
> Each daemon has an admin socket which you can use to extract "perfcounters" (performance counters). It's not well-documented at all right now, unfortunately.
> "ceph --admin-daemon /path/to/admin/socket help"
> "ceph --admin-daemon /path/to/admin/socket perfcounters_dump"
>
> "ceph --admin-daemon /path/to/admin/socket perfcounters_schema"
>
> should get you started.
> http://ceph.com/docs/master/radosgw/troubleshooting has some examples of troubleshooting the gateway with them.

thanks! I don't use radosgw. Just ceph-mon and ceph-osd with rbd block 
devices.

So i have to query each OSD on their own?

Right now i have
[global]
   admin socket=/var/run/ceph.sock

but that gives:
# ceph --admin-daemon /var/run/ceph.sock perfcounters_schema
{}

Greets,
Stefan