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since that will usually be /etc/ctdb/state and storing this under /etc is just
wrong.
Add a new variable CTDB_VARDIR that defaults to /var/ctdb and store the data there instead.
(This used to be ctdb commit 516423c25afa9861d9988096efa8a4a2b12b31b1)
the clusterwide persistent data associated with the lock manager and
statd notifications.
Use persistent databases to store this data instead of a shared directory.
(This used to be ctdb commit fc0678d351187cfa4c71123f97c0f493aacd5d16)
This is called everytime a reallocation is performed.
While STARTRECOVERY/RECOVERED events are only called when
we do ipreallocation as part of a full database/cluster recovery,
this new event can be used to trigger on when we just do a light
failover due to a node becomming unhealthy.
I.e. situations where we do a failover but we do not perform a full
cluster recovery.
Use this to trigger for natgw so we select a new natgw master node
when failover happens and not just when cluster rebuilds happen.
(This used to be ctdb commit 7f4c591388adae20e98984001385cba26598ec67)
This adds a new function update_tickles() that tracks tickles for a
given port using the new ctdb addtickle/deltickle commands. This
function is used in events.d/60.nfs to handle NFS tickles.
events.d/61.nfstickle is removed. The
/proc/sys/net/ipv4/tcp_tw_recycle setup is also moved to
events.d/60.nfs.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit dca4c4ebf3c35f8db3ae208efb7a83abbf726ed6)
This database can be used, as an option, to store
the public address assignment instead of editing the /etc/ctdb/public-addresses file manually.
This configuration is stored in one record per key, with a key-name of
public-addresses:node#<pnn>
where <pnn> is the node number.
The content of this record is the same syntax as the /etc/ctdb/public-addresses file.
When ctdbd starts, if this key exist and contains data. It is extracted from the database and compared with the normal file /etc/ctdb/public-addresses.
If the content differs, the config database "wins" and is used to overwrite/update the /etc/ctdb/public-addresses file, after which ctdbd is restarted.
The main benefit with this option is that it can be used to update the public address configuration for nodes that are offline/unreachable by updating their configuration in the persistent database.
Once the offline node is available again, it will resync its databases with the rest of the cluster, find out that the config has changed, apply the changes and restart ctdbd automatically.
The command to store the public address configuration for a node into the persistent database is :
ctdb pstore config.tdb public-addresses:node#<pnn> <filename>
where <pnn> is the node# we wish to update the config for, and <filename> is a file containing the new content for that nodes public address configuration.
(This used to be ctdb commit 292d7435a360efd7f15a7a99f658a605e07c0a81)
sometimes (very rarely) fails to restart the service.
Add a function to restart NFSd on SLES and RHEL-like systems.
If we detect the system is unhealthy due to kNFSd not running,
try to restart the service again "service nfs restart" and
hope for the best.
CQ1019372
(This used to be ctdb commit 25c4ce7e919f13226219f036bcffd2be76b2f06c)
The existing code wasn't working as designed in the start event. It
should work here.
BZ: 62613
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit aeb70c7e7822854eb87873a5c7783e27e6e72318)
Currently the file for each IP address is reopened to append the
details of each source socket.
This optimisation puts all the logic into awk, including the matching
of output lines from netstat. The source sockets for each for each
destination IP are written into an array entry and then each array
entry is written to the corresponding file in a single operation.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 6549e9b01538998d51a5f72bfc569776d232b024)
same ip address as a normal public-address,
check for this in the natgw script and warn the user.
Also prevent ctdb from starting up since this configuration will not work.
BZ60933
(This used to be ctdb commit 480af69b63b9162c85d8e04461ca9e4a083c04a4)
If the driver is virtio_net then we assume that the link is up rather
than ignoring the check altogether.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 3044d07da2a58260fa06bf489890b279bcf3ec39)
Skip link test for this type of devices
Signed-off-by: Ralph Wuerthner <ralph.wuerthner@de.ibm.com>
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit 2ea0a9f1a93781a0d036feb9fcc0d120b182922f)
As the basename of the script will be used for the readd script
from setup_iface_ip_readd_script, it's know easier to identify
what script is called by delete_ip_from_iface() while readding
ips to the interface.
metze
(This used to be ctdb commit 3ee225b0b6ed37c22478bd145ced56b1b9b86842)
This is needed because we need to resetup the routing table when
the delete_ip_from_iface() function readds the ip to the interface.
metze
(This used to be ctdb commit ea87185ec9977006ef72d5a68c875154e4c84099)
This combines the logic into a shell function which can be used by the
"takeip" and "updateip" hooks.
We check the return values of the "ip" commands now
instead of ignoring them.
We now create a setup_script.sh similar to the release_script.sh
which makes it easier to analyze problems.
metze
(This used to be ctdb commit 624e8878851b4957cc7c02e922ec86926d6927ee)
This also initializes the variables correctly for the
shutdown|removenatgw code path to delete_all.
metze
(This used to be ctdb commit 2c2cbed4fcbc868a990fa6b32fc96126ffc61bb5)
to control whether or not to check if we are swapping, and produce
useful output into the logfile if we are.
For production systems with dedicated nas-heads we should never swap.
But for developer/test systems we often use smaller nondedicated systems where
we can no longer guarantee that we will not be using swap.
(This used to be ctdb commit db87849bf3380914a63a626412bec209dbea7d20)
We should never enter swap; if we do, show the memory state of the machine and the process list. This will help us diagnose what caused the condition before it's too late and the box starts OOM-killing processes.
Signed-off-by: Rusty Russell <rusty@rustcorp.com.au>
(This used to be ctdb commit 627a6d67a0e9e61f8713e62695b3518c51909230)
Proper fix for 085d1bea78fabf754ef6dd6d323f74a1d361e45c's workaround.
$NFS_TICKLE_SHARED_DIRECTORY was being used before it is set via
loadconfig.
Ronnie actually spotted this one. :-)
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit ee8b2e298351d05197a2e1494f3331433644c1e6)
This is very useful for testing, I use such a script:
cat ~/bin/ethtool
#!/bin/sh
IFACE=$1
case "$IFACE" in
Neth2)
;;
Neth3)
;;
Neth4)
;;
Neth5)
;;
*)
exec /usr/sbin/ethtool $@
;;
esac
ip link set down $IFACE
exec /usr/sbin/ethtool $@
metze
(This used to be ctdb commit 3bab985cf615720eded4d47b4f9f37a9c28840aa)
With this option set to "yes", we don't become unhealthy
as long as at least one interface is still available.
metze
(This used to be ctdb commit d054eb33c6ae92560cddb40732e5dcf622591a3c)
