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Martin Schwenke a3ee4a900f Initscript - add backup of corrupt non-persistent databases 
Corrupt non-persistent databases never get analysed because ctdbd
zeroes them at startup.

Modify the initscript so that corrupt non-persistent databases are
moved aside to a backup.  If the number of backups for a particular
database exceeds $CTDB_MAX_CORRUPT_DB_BACKUPS (default 10) then the
oldest excess backups are garbage collected.

Abstracts from and cleans up the code for checking persistent
databases.

Logging of related messages is done to syslog or a log file as
specified.

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

(This used to be ctdb commit 00cd75595685dae829758abf1a4cb644af7ed50e)
2012-03-28 15:02:07 +11:00
..
events.d Eventscripts - make 13.per_ip_routing fail gracefully if config is missing 2012-03-22 15:30:27 +11:00
ctdb-crash-cleanup.sh Fix ctdb-crash-cleanup sysconfig handling 2011-12-06 11:55:46 +11:00
ctdb.init Initscript - add backup of corrupt non-persistent databases 2012-03-28 15:02:07 +11:00
ctdb.sysconfig Eventscripts: New configuration variable CTDB_SERVICE_AUTOSTARTSTOP. 2011-08-30 09:33:47 +10:00
functions Eventscript functions - no longer require interface_modify.sh 2012-03-22 15:30:27 +11:00
gdb_backtrace lib/util: import fault/backtrace handling from samba. 2010-01-20 09:44:36 +01:00
notify.sh server: add "setup" event 2010-02-23 10:38:49 +01:00
README Eventscript support - Remove unused interface_modify.sh 2012-03-22 15:30:27 +11:00
statd-callout Eventscripts: remove unnecessary absolute paths from external commands. 2011-08-03 17:19:15 +10:00

README 

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.