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use killtcp and kill both directions of the nfs connections.
we used to kill only one direction since the other direction was unkillble
but recent kernels allow us to kill both
(This used to be ctdb commit 8001ae580bcc28d45f6026b529d7ffc247cbba34)
There are 2 problems with this code:
* The loop in ctdb_check_directories_probe() breaks on filenames
containing whitespace.
The fix to protect them is to pass "$@" to this function and have it
operate on "$@".
Note that there's still a problem with whitespace in filenames in
the 50.samba eventscript. To fix this ctdb_check_directories_probe
should read the filenames from stdin. Another time...
* The check for '%' in filenames in ctdb_check_directories_probe()
ends up involving several forks. On a modern machine this can cost
a couple of minutes when checking a large number of directories.
The fix is to use a case statement.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit eb1fecaef9aa5cb85dff7d4f7af8a9878deabed8)
Change the monitor event in 40.vsftpd so it only fails if there are 2
successive failures connecting to port 21. This reduces the
likelihood of unhealthy nodes due to vsftpd being restarted for
reconfiguration due to node failover or system reconfiguration.
New eventscript functions ctdb_counter_init, ctdb_counter_incr,
ctdb_counter_limit. These are used to count arbitrary things in
eventscripts, depending on the eventscript name and a tag that is
passed, and determine if a specified limit has been hit. They're good
for counting failures!
These functions are used in 40.vsftpd and also in 01.reclock - the
latter used to do the counting without these functions.
Signed-off-by: Martin Schwenke <martin@meltin.net>
(This used to be ctdb commit cfe63636a163730ae9ad3554b78519b3c07d8896)
Add a helper function that checks whether a unix domain socket exists
and there is a daemon LISTENING to it similar to the existing function
to check for a daemon LISTENING to a tcp/ip socket.
(This used to be ctdb commit 025a836ab3be3c078fccd8c10b10dfffbfdd94d0)
The netstat test only grepped for the ipv4 wildcard address.
Now the ipv6 wildcard listener is correctly detected as well.
Michael
(This used to be ctdb commit 78e7928797e239e71f96eb001460a0dbf943e18f)
This fixes tcp port monitor events on systems, where netcat or nc
is not found in /usr/bin/, Debian, for instance.
The patch also separates the process of finding the binaries and
calling them, moving the detection outside of the loop over the
ports list.
Michael
(This used to be ctdb commit 3adf100e7f0c04aaf2da9ae4c6984cdb708c3b57)
This prevents the monitor action of 50.samba from failing
on e.g. a typical [homes] service with "path = /home/%S" .
Michael
(This used to be ctdb commit 023d6c2e3017d323b5a70f987f3b4e0b8b8f0f7b)
Kevin Collins noticed that RHEL5 grep-2.5.1-54.2.el5 built for
x86 does not handle \s while the exact same RHEL5 package for amd64
does!
[[:space:]] is more portable. Even across the same package version ( different architecture ) from the same vendor :-)
(This used to be ctdb commit fd7bb21c4f9289fc34a57f9d8cb7c13a02d06096)
check for tcp ports
(the check for these tools should not really use hardcoded paths)
(This used to be ctdb commit 56d77082c07a519dd3804cc24cc7ba889b8469ff)
- added monitoring of the ethernet link state
When monitoring detects an error, the node loses its public IP address
(This used to be ctdb commit 0af57aead8c983511d25774b4ffe09fa5ff26501)
