[ClusterLabs] Antw: Re: Antw: Re: Antw: Re: Antw: Struggling to get "crm_mon -E ... " to do anything
Ulrich Windl
Ulrich.Windl at rz.uni-regensburg.de
Mon May 18 02:59:22 EDT 2015
>>> Andrew Beekhof <andrew at beekhof.net> schrieb am 18.05.2015 um 04:49 in
Nachricht
<B2521F5F-D089-43EB-8F3B-C690FC42E2AC at beekhof.net>:
>> On 12 May 2015, at 3:59 pm, Ulrich Windl
<Ulrich.Windl at rz.uni-regensburg.de>
> wrote:
>>
>> Hi!
>>
>> What I don't like with all of this is that it's still a polling interface.
>
> crm_mon isn’t doing polling, it subscribes to the cib's update channel
OK, maybe someone wants to add that statement to the corresponding manual
page...?
The crm_mon as I know it, seems to periodically output the clusters state, and
I always felt it's just doing sleeps between polling the state.
BTW: When I enter "man crm_mon", I get:
---
PACEMAKER(8) System Administration Utilities
PACEMAKER(8)
NAME
Pacemaker - Part of the Pacemaker cluster resource manager
SYNOPSIS
crm_mon mode [options]
---
Isn't "NAME" completely off? If I compare it to "man ls", I get:
---
NAME
ls - list directory contents
---
As the NAME is used for "man -k", you get nothing when running "man -k monitor
|grep crm".
Regards,
Ulrich
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