On Tue, May 22, 2007 at 05:26:04PM -0400, Brian Reichert wrote:
> I've been testing auto_failback in our 2.0.7-based lcuster, and
> have found sometimes failback doesn't occur.
>
> We're managing a virtual IP via a haresources file on a Red Hat 4
> box.
>
> What I tracked down was that if the box powered down too quickly
> for heartbeat to clean up, a PID file was left in place:
>
> # ls -ld /usr/local/var/run/heartbeat.pid
> -rw-r----- 1 root root 11 May 22 16:44 /usr/local/var/run/heartbeat.pid
> # cat /usr/local/var/run/heartbeat.pid
> 3215
>
> But, when heartbeat tries to start after a reboot:
>
> May 22 16:46:41 sqe-50 heartbeat: [3214]: WARN: Logging daemon
> is disabled --enabling logging daemon is recommended
> May 22 16:46:41 sqe-50 heartbeat: [3214]: info: **************************
> May 22 16:46:41 sqe-50 heartbeat: [3214]: info: Configuration
> validated. Starting heartbeat 2.0.7
> May 22 16:46:41 sqe-50 heartbeat: [3214]: info: heartbeat: already
> running [pid 3215].
>
> What I see in make_daemon() is a check for this file, and it's contents:
>
> /* See if heartbeat is already running... */
>
> if ((pid=cl_read_pidfile(PIDFILE)) > 0 && pid != getpid()) {
> cl_log(LOG_INFO, "%s: already running [pid %ld]."
> , cmdname, pid);
> exit(LSB_EXIT_OK);
> }
>
> But, there's no check to assure the recorded PID is not stale.
>
> Have others seen this? This code seems to be in 2.0.8 as well...
This should be fixed. I think I've noticed that in more than one
place. Do you feel like making a patch?
>
> --
> Brian Reichert <[EMAIL PROTECTED]>
> 55 Crystal Ave. #286 Daytime number: (603) 434-6842
> Derry NH 03038-1725 USA BSD admin/developer at large
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> See also: http://linux-ha.org/ReportingProblems
--
Dejan
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