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Martin Schwenke e704eb580a ctdb-scripts: Use CTDB_NFS_SHARED_STATE_DIR in nfs-ganesha-callout 
Rename CTDB_NFS_STATE_MNT to CTDB_NFS_SHARED_STATE_DIR.  It doesn't
have to be a mount but can be any directory in a cluster filesystem.
CTDB_NFS_SHARED_STATE_DIR will soon be used in statd_callout_helper,
so the variable name might as well be better.

With this change, it will still only be used by nfs-ganesha-callout,
which isn't yet supported (i.e. it still lives in doc/examples).  The
rest of the comments below refer to behaviour changes in that script.

CTDB_NFS_SHARED_STATE_DIR is now mandatory when GPFS is used.  This is
much saner that choosing the first GPFS filesystem - if the state
directory changes then connection metadata can be lost.

Drop CTDB_NFS_STATE_FS_TYPE.  The filesystem type is now determined
from CTDB_NFS_SHARED_STATE_DIR and it is now checked against supported
filesystems.  This will catch the case when the filesystem for the
specified directory has not been mounted and the filesystem for the
mountpoint (e.g. ext4) is not a supported filesystem for shared state.

A side-effect is that the filesystem containing
CTDB_NFS_SHARED_STATE_DIR must be mounted when nfs-ganesha-callout is
first run.

While touching this file, my shfmt pre-commit hook wants to insert a
trailing ;; into a case statement.  Let's sneak that in here too.

Signed-off-by: Martin Schwenke <mschwenke@ddn.com>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
2024-12-13 13:57:32 +00:00
..
events ctdb-scripts: Track connections for all ports for public IPs 2024-11-06 23:03:42 +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-backup-persistent-tdbs.sh ctdb-scripts: Add support for backing up persistent TDBs 2024-08-29 22:48:33 +00:00
ctdb-crash-cleanup.sh ctdb-scripts: Avoid ShellCheck warning SC2164 2022-07-22 06:38:32 +00:00
ctdb.conf ctdb-config: [cluster] recovery lock -> [cluster] cluster lock 2022-01-17 10:21:33 +00:00
ctdb.init ctdb-scripts: Drop uses of ctdbd_wrapper 2022-04-06 06:34:37 +00:00
ctdb.sysconfig ctdb-config: Drop CTDB_STARTUP_TIMEOUT 2022-04-06 06:34:37 +00:00
ctdb.tunables ctdb-scripts: Tunables are now loaded from ctdb.tunables 2018-03-28 02:57:21 +02:00
debug_locks.sh ctdb: Fix a typo 2024-09-20 17:13:37 +00:00
debug-hung-script.sh ctdb-scripts: Avoid ShellCheck warning SC2164 2022-07-22 06:38:32 +00:00
functions ctdb-scripts: Use CTDB_NFS_SHARED_STATE_DIR in nfs-ganesha-callout 2024-12-13 13:57:32 +00:00
nfs-linux-kernel-callout ctdb-scripts: Add script option CTDB_NFS_EXPORTS_FILE 2024-05-30 11:42:30 +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-failover: Split statd_callout add-client/del-client 2024-06-25 04:24:57 +00:00
script.options ctdb-scripts: Drop event script CTDB_MANAGED_<service> variables 2018-07-11 11:48:39 +02:00

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.

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.