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This allows us to timeout the operation if the underlying filesystem has become temporarily unresponsive without causing a new recovery.
(This used to be ctdb commit d177b08f1dc79534491f27726b05405d47e12e20)
This is used to mark nodes as being DELETED internally in ctdb
so that nodes are not renumbered if / when they are removed from the nodes file.
This is used to be able to do "ctdb reloadnodes" at runtime without
causing nodes to be renumbered.
To do this, instead of deleting a node from the nodes file, just comment it out like
1.0.0.1
#1.0.0.2
1.0.0.3
After removing 1.0.0.2 from the cluster, the remaining nodes retain their
pnn's from prior to the deletion, namely 0 and 2
Any line in the nodes file that is commented out represents a DELETED pnn
(This used to be ctdb commit 6a5e4fd7fa391206b463bb4e976502f3ac5bd343)
Log this in "ctdb statistics".
Also add a varaible "RecLockLatencyMs" that will log an error everytime it takes longer than this to access the reclock file.
(This used to be ctdb commit 042377ed803bb8f7ca9d6ea1a387427b7b8ba45a)
When a client (such as smbstatus) is killed, it may have outstanding
traverse children on remote nodes. We need to catch the client
disconnect in ctdbd and send a control to all nodes telling them to
kill those outstanding traverse children.
(This used to be ctdb commit f2fb2df4619a14f7f6c11f9132ee7d793028042c)
Otherwise there is the chance that we will reset the statistics after the counter has been incremented (client connects) to zero and when the client disconnects we decrement it to a negative number.
this is a pure cosmetic patch with no operational impact to ctdb
(This used to be ctdb commit 72f1c696ee77899f7973878f2568a60d199d4fea)
this now defaults to 60 seconds
This is useful if a split brain occurs due to network partitioning since it will make sure that the "other half" of the cluster that does not contain the recovery master will eventually release all ips and thus avoiding a duplicate ip situation for the public addresses
(This used to be ctdb commit 70f21428c9eec96bcc787be191e7478ad68956dc)
Rename the variable to SeqnumInterval for
1, it is an interval and not a 1/interval unit
2, so that we catch when people use this old variable and can update the sysconfig file instead of silently changin semantics of this variable
this is a real dodgy variable
(This used to be ctdb commit 68eac459e5d2b6b534f72821036675ffe5d7a350)
This would allow a sysadmin to set up ctdb to send an email/snmptrap/... when the status of the node changes.
(This used to be ctdb commit ce534a83a05dbd40238e4eee0669d60ff396f935)
this command shows which eventscripts were executed during the last monitoring cycle and the status from each eventscript.
If an eventscript timedout or returned an error we also
show the output from the eventscript.
Example :
[root@rcn1 ctdb-git]# ./bin/ctdb scriptstatus
6 scripts were executed last monitoring cycle
00.ctdb Status:OK Duration:0.021 Mon Mar 23 19:04:32 2009
10.interface Status:OK Duration:0.048 Mon Mar 23 19:04:32 2009
20.multipathd Status:OK Duration:0.011 Mon Mar 23 19:04:33 2009
40.vsftpd Status:OK Duration:0.011 Mon Mar 23 19:04:33 2009
41.httpd Status:OK Duration:0.011 Mon Mar 23 19:04:33 2009
50.samba Status:ERROR Duration:0.057 Mon Mar 23 19:04:33 2009
OUTPUT:ERROR: Samba tcp port 445 is not responding
Add a new helper function "switch_from_server_to_client()" which both
the recovery daemon can use as well as in the child process we start for running the actual eventscripts.
Create several new controls, both for the eventscript child process to inform the master daemon of the current status of the scripts as well as for the ctdb tool to extract this information from the runninc daemon.
(This used to be ctdb commit c98f90ad61c9b1e679116fbed948ddca4111968d)
a ctdb client instance.
use this from the recovery daemon child process to switch to client mode
and connect back to the main daemon
(This used to be ctdb commit 16f31786a031255ab5b3099a0a3c745de973347a)
This adds a new configure option "--with-logdir".
logdir defaults to "${localstatedir}/log" .
It is important to have logdir configurable for debian systems,
where localstatedir is set to "/var/lib" and not "/var".
Signed-off-by: Michael Adam <obnox@samba.org>
(This used to be ctdb commit b0c6854d1e886456fabdc8f1c3bd21c89311c601)
