Re: Inject configuration change into cluster

[Josh Durgin <josh.durgin@inktank.com>]

On 09/17/2012 12:29 AM, Josh Durgin wrote:
> On Mon, 17 Sep 2012 08:36:09 +0200, Sławomir Skowron <szibis@gmail.com>
> wrote:
>> Ok, i will try, but i have all day meeting today, and tomorrow.
>>
>> One more question, is there any way to check configuration not from
>> ceph.conf, but from running daemon in cluster ??
>
> You can do this with the admin socket:
>
> ceph --admin-daemon /path/to/admin/socket show config

Oops, that should be:

ceph --admin-daemon /path/to/admin/socket config show

You can see all the available commands with:

ceph --admin-daemon /path/to/admin/socket help

>
> Josh
>
>>
>> On Fri, Sep 14, 2012 at 9:12 PM, Sage Weil <sage@inktank.com> wrote:
>>> Hi,
>>>
>>> <On Wed, 5 Sep 2012, Skowron S?awomir wrote:
>>>> Dnia 5 wrz 2012 o godz. 17:53 "Sage Weil" <sage@inktank.com> napisa?(a):
>>>>
>>>>> On Wed, 5 Sep 2012, S?awomir Skowron wrote:
>>>>>> Ok, but in global case, when i use, a chef/puppet or any other, i wish
>>>>>> to change configuration in ceph.conf, and reload daemon to get new
>>>>>> configuration changes from ceph.conf, this feature would be very
>>>>>> helpful in ceph administration.
>>>>>>
>>>>>> Inject is ok, for testing, or debuging.
>>>>>
>>>>> Opened http://tracker.newdream.net/issues/3086.  There is already an issue
>>>>> open for reloading the config file,
>>>>> http://tracker.newdream.net/issues/2459.
>>>>>
>>>>
>>>> Thanks. This is what i mean.
>>>> Is this feature have a chance, to be implemented in next months ??
>>>
>>> I pushed a branch, wip-tp, that implements this.  Want to give it a spin?
>>> Just inject the config option change (via the admin socket or injectargs)
>>> and it'll resize the thread pool.
>>>
>>> sage
>>>
>>>>
>>>>> sage
>>>>>
>>>>>>
>>>>>> On Tue, Sep 4, 2012 at 5:34 PM, Sage Weil <sage@inktank.com> wrote:
>>>>>>> On Tue, 4 Sep 2012, Wido den Hollander wrote:
>>>>>>>> On 09/04/2012 10:30 AM, Skowron S?awomir wrote:
>>>>>>>>> Ok, thanks.
>>>>>>>>>
>>>>>>>>> Number of workers used for recover, or numer of disk threads.
>>>>>>>>>
>>>>>>>>
>>>>>>>> I think those can be changed while the OSD is running. You could always give
>>>>>>>> it a try.
>>>>>>>
>>>>>>> The thread pool sizes can't currently be adjusted, unfortunately.  It
>>>>>>> wouldn't be too difficult to change that...
>>>>>>>
>>>>>>> sage
>>>>>>>
>>>>>>>>
>>>>>>>> Wido
>>>>>>>>
>>>>>>>>> -----Original Message-----
>>>>>>>>> From: Wido den Hollander [mailto:wido@widodh.nl]
>>>>>>>>> Sent: Tuesday, September 04, 2012 10:18 AM
>>>>>>>>> To: Skowron S?awomir
>>>>>>>>> Cc: ceph-devel@vger.kernel.org
>>>>>>>>> Subject: Re: Inject configuration change into cluster
>>>>>>>>>
>>>>>>>>> On 09/04/2012 07:04 AM, Skowron S?awomir wrote:
>>>>>>>>>> Is there any way now, to inject new configuration change, without
>>>>>>>>>> restarting daemons ??
>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> Yes, you can use the injectargs command.
>>>>>>>>>
>>>>>>>>> $ ceph osd tell 0 injectargs '--debug-osd 20'
>>>>>>>>>
>>>>>>>>> What do you want to change? Not everything can be changed while the OSD is
>>>>>>>>> running.
>>>>>>>>>
>>>>>>>>> Wido
>>>>>>>>>
>>>>>>>>>> Regards
>>>>>>>>>>
>>>>>>>>>> Slawomir Skowron--
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>>>>>>>>>>
>>>>>>>>>
>>>>>>>>> N???????????????r??????y?????????b???X???????v???^???)?{.n???+?????????z???]z???{ay??? ?????,j ??????f?????????h?????????z??? ???w?????????
>>>>>>>>> ?????????j:+v?????????w???j???m???????????? ????????????zZ+???????j"??????!tml=
>>>>>>>>>
>>>>>>>>
>>>>>>>> --
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>>>>>>>>
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>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>> -----
>>>>>> Pozdrawiam
>>>>>>
>>>>>> S?awek "sZiBis" Skowron
>>>>>>
>>>>>>
>>>>

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