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BUG: https://bugzilla.samba.org/show_bug.cgi?id=12152
This makes the behaviour of "ctdb addip" similar to "ctdb delip".
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
BUG: https://bugzilla.samba.org/show_bug.cgi?id=12123
Although this has been queued for a while, with changes to add stdin
support to the original ctdb tool, this came for free with the
replacement tool.
addtickle and deltickle also now have this feature. However, they're
internal commands and we're not adding new documentation for
internal/debug commands.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This drastically simplifies the code. "ctdb reloadips" behaves the
same, since it causes a takeover run immediately after IPs are
deleted. "ctdb delip" now needs to be followed with an explicit "ctdb
ipreallocate".
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This avoids CTDB spending too much time processing multiple packets and
return to the event loop sooner.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This controls the maximum size of data ctdb will read from sockets at
a time.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
No preamble, just print keyword ENABLED or DISABLED. Fix the
documentation to reflect this and remove the text that is simply
wrong.
Also remove output from "ctdb enablemonitor" and "ctdb disablemonitor"
on success. This is just noise.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This limitation can be removed with a reasonable amount of effort. It
probably isn't worth doing until the public IP address configuration
is stored in a cluster-wide database. That seems like the right time
to change the API to handle the details that
CTDB_CONTROL_GET_PUBLIC_IPS doesn't currently retrieve.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Databases should never be thawed manually. A database recovery will
correctly thaw all databases. Otherwise there is a bug in the database
recovery.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This generates takeip-pre and releaseip-pre call-out events.
One use is to put NFS into grace before an IP is assigned to an
interface.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The recovery lock can not be reliably updated at run-time. If it
fails to update on some nodes then split-brain protection is gone and
there is no reasonable way to repair the situation. CTDB will have to
be restarted on all nodes. So, if this feature is being used to avoid
scheduling an outage then an outage will have to be scheduled just in
case!
To update the recovery lock, shut down CTDB on all nodes, reconfigure
the recovery lock and start CTDB again.
Those that *really* want to be able to change the recovery lock at
run-time can still do so. Set CTDB_RECOVERY_LOCK to point to a script
and this script can then be modified at run-time. However, please
don't report bugs if bad things happen...
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Signed-off-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Autobuild-User(master): Martin Schwenke <martins@samba.org>
Autobuild-Date(master): Sat May 14 03:06:05 CEST 2016 on sn-devel-144
Add CTDB_NFS_STATE_FS_TYPE and CTDB_NFS_STATE_MNT config options, show use in
nfs-ganesha-callout. Since the callout script is only an example, we
officially don't have default values for these.
Signed-off-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
Comment typos and clarifications, erroneous variable names, corrected
pathnames, reorganizing variables, and squashing a few non-fatal
scripting errors.
Signed-off-by: Jose A. Rivera <jarrpa@samba.org>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This currently fails exactly when it is needed: when there is a
dangling link pointing into an unmounted filesystem. This happens
because [ -e <dangling-link> ] returns false. The solution is simply
to remove that check.
Now the first condition in the "if" statement catches the backward
compatibility case where $GANRECDIR used to be a directory. It will
also catch other problems, such as if a file has been created in this
location. If nothing exists then it will silently succeed (due to
-f).
The second case catches a symlink pointing to the wrong place (e.g. in
an unmounted filesystem).
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
The underlying change is to allow the cluster mutex argstring to
optionally contain a helper command. When the argument string starts
with '!' then the first word is the helper command to run. This is
now the standard way of changing the helper from the default.
CTDB_CLUSTER_MUTEX_HELPER show now only be used to change the location
of the default helper when testing.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
If the reclock is set then print it, otherwise print nothing.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
LVS and NAT gateway support had bit-rotted. We don't use any of these
in scripts/tests and we very much doubt anyone else uses them.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
Autobuild-User(master): Amitay Isaacs <amitay@samba.org>
Autobuild-Date(master): Mon Apr 25 10:34:47 CEST 2016 on sn-devel-144
This can list the different aspects of status: master, list, status.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
For "master", if there is a master then print the PNN, otherwise print
nothing.
For "list", print the PNN and IP addresses without a colon in between.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This simply calls out to the wrapper, so that commands are changed as
follows:
ctdb lvsmaster -> ctdb lvs master
ctdb lvs -> ctdb lvs list
This provides a simple, extensible interface and means that "ctdb lvs
status" is also available.
Unit tests are streamlined so that there is a single test for each
CTDB state. Each test does "master", "list" and "status" sub-tests.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
To keep this commit comprehensible, 91.lvs and the CTDB CLI tool are
temporarily inconsistent. The tool will be made consistent in a
subsequent commit.
LVS now uses a configuration file specified by CTDB_LVS_NODES and
supports the same slave-only syntax as CTDB_NATGW_NODES. LVS also
uses new variable CTDB_LVS_PUBLIC_IFACE instead of
CTDB_PUBLIC_INTERFACE.
Update unit tests and documentation.
Note that the --lvs and --single-public-ip daemon options are no
longer used. These will be removed and relevant documentation
updated in a subsequent commit.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This will be used to limit the size of record buffer sent in newer
controls for recovery and existing controls for vacuuming.
Signed-off-by: Amitay Isaacs <amitay@gmail.com>
Reviewed-by: Martin Schwenke <martin@meltin.net>
This was a workaround for trying to ensure public IP addresses are
properly rebalanced after running "ctdb addip" on multiple nodes.
"ctdb reloadips" is a better solution.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
This is undocumented and is not needed. It was a workaround for
trying to ensure public IP addresses are properly rebalanced after
running "ctdb addip" on multiple nodes. "ctdb reloadips" is a better
solution.
Signed-off-by: Martin Schwenke <martin@meltin.net>
Reviewed-by: Amitay Isaacs <amitay@gmail.com>
