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.
Chrissie
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