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8eb20c2347
Currently the lock is held until the corresponding eventscript completes, since the process still exists. If the regular part of an eventscript hangs then the lock might unnecessarily be held for a long time. The pathological case is when a monitor event gets stuck in D-wait state and the script times out but can't be killed so the lock is still held. This can cause an unwanted monitor replay. Change this so that the lock is released immediately after the reconfiguration is complete. Signed-off-by: Martin Schwenke <martin@meltin.net> Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This directory contains run-time support scripts for CTDB.
Selected highlights:
ctdb.init
An initscript for starting ctdbd at boot time.
events.d/
Eventscripts. See events.d/README for more details.
functions
Support functions, sourced by eventscripts and other scripts.
statd-callout
rpc.statd high-availability callout to support lock migration on
failover.
Notes:
* All of these scripts are written in POSIX Bourne shell. Please
avoid bash-isms, including the use of "local" variables (which are
not available in POSIX shell).
* Do not use absolute paths for commands. Unit tests attempt to
replace many commands with stubs and can not do this if commands are
specified with absolute paths. The functions file controls $PATH so
absolute paths should not be required.