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Rafael David Tinoco via samba-technical 843fbb1207 ctdb-scripts: Fix tcp_tw_recycle existence check 
net.ipv4.tcp_tw_recycle has been removed from Linux 4.12 but, still,
makes sense to check its existence. Unfortunately, current check does
not test for the procfs file existence. This commit fixes the issue.

BUG: https://bugzilla.samba.org/show_bug.cgi?id=13984

Signed-off-by: Rafael David Tinoco <rafaeldtinoco@ubuntu.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>

Autobuild-User(master): Andreas Schneider <asn@cryptomilk.org>
Autobuild-Date(master): Tue Jun  4 23:31:24 UTC 2019 on sn-devel-184
2019-06-04 23:31:24 +00:00
..
events ctdb-scripts: Drop script configuration variable CTDB_MONITOR_SWAP_USAGE 2019-05-07 05:45:34 +00:00
nfs-checks.d ctdb-scripts: Stop/start mount/rquotad/status via NFS call-out 2019-03-31 10:45:20 +00:00
ctdb-crash-cleanup.sh ctdb-scripts: Use load_script_options() in miscellaneous scripts 2018-05-12 06:11:17 +02:00
ctdb.conf ctdb-config: Change example recovery lock setting to one that fails 2019-02-25 02:12:16 +01:00
ctdb.init ctdb-scripts: Split CTDB configuration loading 2018-03-28 02:57:20 +02:00
ctdb.service ctdb-config: Add default ctdb.sysconfig file, update ctdb.service 2018-05-12 06:11:17 +02:00
ctdb.sudoers ctdb-scripts: Update important installed files to use build-time defaults 2015-09-15 08:56:21 +02:00
ctdb.sysconfig ctdb-config: Add default ctdb.sysconfig file, update ctdb.service 2018-05-12 06:11:17 +02:00
ctdb.tunables ctdb-scripts: Tunables are now loaded from ctdb.tunables 2018-03-28 02:57:21 +02:00
ctdbd_wrapper ctdb: Drop configuration file ctdbd.conf 2018-05-17 07:03:04 +02:00
debug_locks.sh ctdb-scripts: Provide a gstack function if gstack is not available 2018-07-11 14:47:21 +02:00
debug-hung-script.sh ctdb-scripts: Use load_script_options() in miscellaneous scripts 2018-05-12 06:11:17 +02:00
functions ctdb-scripts: Allow load_system_config() to take multiple alternatives 2019-03-31 10:45:20 +00:00
nfs-linux-kernel-callout ctdb-scripts: Fix tcp_tw_recycle existence check 2019-06-04 23:31:24 +00:00
notification.README ctdb-scripts: Change directory for notifications to events/notification 2018-06-05 17:47:26 +02:00
notify.sh ctdb-scripts: Change directory for notifications to events/notification 2018-06-05 17:47:26 +02:00
README ctdb-scripts: Move event scripts to events/legacy/ directory 2018-06-05 17:47:26 +02:00
script.options ctdb-scripts: Drop event script CTDB_MANAGED_<service> variables 2018-07-11 11:48:39 +02:00
statd-callout ctdb-scripts: Update statd-callout to try several configuration files 2019-03-31 10:45:20 +00:00

README 

This directory contains run-time support scripts for CTDB.

Selected highlights:

  ctdb.init

    An initscript for starting ctdbd at boot time.

  events/

    Eventscripts.  See events/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.