[ClusterLabs] Antw: [EXT] Re: Q: cryptic messages from "QB"

[Ulrich Windl]

>>> Christine Caulfield <ccaulfie at redhat.com> schrieb am 25.11.2020 um 10:17
in
Nachricht <56738406-9222-a9f3-c57c-e30400a0b51c at redhat.com>:
> On 25/11/2020 08:45, Ulrich Windl wrote:
>> Hi!
>> 
>> Setting up a cluster in SLES15 SP2, I wonder about a few log messages:
>> 
>> 1) what does "QB" stand for?
>> 
>> 2) When QB talks about "server", does it mean "service"?
>> Examples:
>> corosync[7982]:   [QB    ] server name: cmap
>> corosync[7982]:   [QB    ] server name: cfg
>> corosync[7982]:   [QB    ] server name: cpg
>> corosync[7982]:   [QB    ] server name: votequorum
>> corosync[7982]:   [QB    ] server name: quorum
>> 
>> 3) what is "7982‑7987‑25" in "corosync[7982]:   [QB    ] Denied connection,
is 
> not ready (7982‑7987‑25)"?
>> 
> 
> 
> 2) "QB" is just how corosync tags messages that are issued by libqb ‑ 
> which is the library that provides IPC services (mostly) to corosync 
> andothers. It's just logging the services that have been registered.
> 
> 1) QB originally stood for "QuarterBack". I have no idea what that is 
> though I beleive it may be sport‑related. In the spec file for Fedora I 
> renamed it to "Quite Boring" as it's a library that provides basic 
> services ;‑)
> 
> 3) That's just the unique name of the connection. it's made up of the 
> process PIDs and an incrementing number. The actual full IPC name in 
> /dev/shm has extra bits added on the end to stop them being guessable.

Thanks for confirming that it's all "Black Magic". ;-)

Regards,
Ulrich

> 
> Chrissie
> 
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