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samba-mirror/ctdb/config/gcore_trace.sh
Martin Schwenke 8d7562f3f8 common: Debug ctdb_addr_to_str() using new function ctdb_external_trace()
We've seen this function report "Unknown family, 0" and then CTDB
disappeared without a trace.  If we can reproduce it then this might
help us to debug it.

The idea is that you do something like the following in /etc/sysconfig/ctdb:

  export CTDB_EXTERNAL_TRACE="/etc/ctdb/config/gcore_trace.sh"

When we hit this error than we call out to gcore to get a core file so
we can do forensics.  This might block CTDB for a few seconds.

Signed-off-by: Martin Schwenke <martin@meltin.net>

(This used to be ctdb commit 7895bc003f087ab2f3181df3c464386f59bfcc39)
2012-10-18 20:05:42 +11:00

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#!/bin/sh
gcore -o "/var/log/core" "$1" 2>&1 | logger -t "ctdb:gcore_trace"