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CTDB_START_AS_DISABLED="yes"
and command line argument
--start-as-disabled
When set, this makes the ctdb node to always start in DISABLED mode and will thus not host any public ip addresses.
The administrator must manually "ctdb enable" the node after it has started when the administrator wants the node to start hosting public ip addresses.
Using this option it is possible to start ctdb on a node without causing any reallocation of ip addresses when it is starting. The node will still merge with the cluster and there will still be a recovery phase but the ip address allocations will not change in the cluster.
(This used to be ctdb commit b93d29f43f5306c244c887b54a77bca8a061daf2)
by default ctdb does not monitor for OOM.
to enable this you need to uncomment the CTDB_MONITOR_FREE_MEMORY line in /etc/sysconfig/ctdb and specify the amount in MByte free that will trigger OOM and cause ctdb to shutdown the node
(This used to be ctdb commit 35627c7450a03f36a353c3dd7cce31ce3433a7ff)
add a new control that causes the node to drop the current nodes list
and reread it from the nodes file.
During this operation, the node will also drop the tcp layer and restart it.
When we drop the tcp layer, by talloc_free()ing the ctcp structure
add a destructor to ctcp so that we also can clean up and remove the references in the ctdb structure to the transport layer
add two new commands for the ctdb tool.
one to list all nodes in the nodesfile and the second a command to trigger a node to drop the transport and reinitialize it with the nde nodes file
(This used to be ctdb commit 4bc20ac73e9fa94ffd43cccb6eeb438eeff9963c)
copy the content of the nodes structure.
this ctdb_address structure contains a pointer which is talloced hanging off the structure itself.
If we copy the content of this structure as we did in assigning to ctdb->address from nodes[i]
then if we talloc_free() the node structure we end up with a wild pointer in ctdb->address
(This used to be ctdb commit 644a7248548260d37df432979b129797750907f4)
IF lvs has been configured, check that the ipvsadm package has also
been installed since we depend on it.
If not, log an error and return 1
(This used to be ctdb commit 506174bbc47f1176122be2e55099149e3db27d57)
into a case and add an arm for ib*) (infiniband interfaces)
Dont try using ethtool on ib devices
(mii_tool doesnt work either)
IB does have a command ibv_devinfo which can tell whether a physical port
is up or not but it seems nontrivial to map this into a interface name such as ib0
(This used to be ctdb commit ab6bd25542946a732b4378f5476edfb466d6c000)
memory tree to stdout. This is much more useful than putting it in the log, and also fixes
a bug where the pipe would overflow internally and cause ctdbd to lockup
(This used to be ctdb commit e236979e2162d9bd7a495086342168a696cf76c5)
This takes advantage of the fact that we can do left merges but not right merges
By allocating data from the end of the freelist entry rather than the beginning
we can guarantee that if we immediately free the record again it will be merged
with the previous freelist entry, reducing fragmentation
(This used to be ctdb commit 6d159f2c115dd5e9b8bab8798f7ac710b4427593)
