On Wed, Mar 03, 2010 at 12:50:31PM +1100, Neil Brown wrote:
On Sun, 28 Feb 2010 15:43:40 +0100
Luca Berra <bluca@xxxxxxxxxx> wrote:
mdmon_pid is called by mdmon_running to check if mdmon is running, so
the pid file should be checked in either VAR_RUN or ALT_RUN
I don't agree with this.
The only time that any code should care about ALT_RUN is when mdmon is
starting. It chooses VAR_RUN or ALT_RUN to use, and possibly looks for an
old instance to kill.
When starting mdmon without "--takeover", if it decided to use VAR_RUN, it
would not check ALT_RUN to see if an old mdmon was running. So I have
replaced you patch with a patch to include that extra check when starting
mdmon without --takeover.
Maybe that is the case you intended to address??
No,
the problem i try to address is in mdadm, not mdmon
When mdadm needs to manage arrays with external metadata it will look
for mdmon using mdmon_running(). If mdmon is running but did not yet
take over mdadm will refuse to operate stating that mdmon is not
running.
I had to mount --bind ALT_RUN VAR_RUN in order to repair my imsm on
sunday morning.
Regards,
L.
--
Luca Berra -- bluca@xxxxxxxxxx
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