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Closing it here just causes an epoll error, and may close a fd in use by
another structure to be closed. This caused a infinite recovery loop
(This used to be ctdb commit bc251ac7029c2689776a8c31b28ac1d233d52d4f)
This allows us to use the async framework also for controls that return
outdata.
Add a "capabilities" field to the ctdb_node structure. This field is
only initialized and kept valid inside the recovery daemon context and not
inside the main ctdb daemon.
change the GET_CAPABILITIES control to return the capabilities in outdata instead of in the res return variable.
When performing a recovery inside the recovery daemon, read the capabilities from all connected nodes and update the ctdb->nodes list of nodes.
when building the new vnnmap after the database rebuild in recovery, do not include any nodes which lack the LMASTER capability in the new vnnmap.
Unless there are no available connected node that sports the LMASTER capability in which case we let the local node (recmaster) take on the lmaster role temporarily (i.e. become a member of the vnnmap list)
(This used to be ctdb commit 0f1883c69c689b28b0c04148774840b2c4081df6)
handle failure to get/hold the reclock pnn file better and just
treat it as a transient backend filesystem error and try again later
instead of shutting down the recovery daemon
when we have lost the pnn file and if we are recmaster
release the recmaster role so that someone else can become recmaster isntead
(This used to be ctdb commit e513277fb09b951427be8351d04c877e0a15359d)
Define two capabilities :
can be recmaster
can be lmaster
Default both capabilities to YES
Update the ctdb tool to read capabilities off a node
(This used to be ctdb commit 50f1255ea9ed15bb8fa11cf838b29afa77e857fd)
If no other node is hosting this public ip at the moment, then assign it immediately to the current node.
(This used to be ctdb commit a63825e32658b36e0964584758b9a276c18056b8)
this collects all public addresses from all nodes and presents the public ips
for the entire cluster
(This used to be ctdb commit 0a4e667f42c6fb23be13651f7b0d0a545a49900b)
remove the transaction stuff and push so that the git tree will work
This reverts commit 539bbdd9b0d0346b42e66ef2fcfb16f39bbe098b.
(This used to be ctdb commit 876d3aca18c27c2239116c8feb6582b3a68c6571)
thus allowing the client to pass through the TDB_NOSYNC flag
- ensure that tdb_store() operations on persistent databases that don't
have TDB_NOSYNC set happen inside a transaction wrapper, thus making
them crash safe
(This used to be ctdb commit 49330f97c78ca0669615297ac3d8498651831214)
Add support in AIX to track the PID of a client that connects to the unix domain socket
(This used to be ctdb commit 4c006c675d577d4a45f4db2929af6d50bc28dd9e)
and a ctdb command to pull the talloc memory map from a recovery daemon
ctdb rddumpmemory
(This used to be ctdb commit d23950be7406cf288f48b660c0f57a9b8d7bdd05)
The controls only modify the runtime setting of which public addresses a node
can server and does not modify /etc/ctdb/public_addresses.
To make the change permanent you also need to edit /etc/ctdb/public_addresses
manually.
After ip addresses have been added/deleted you need to invoke a recovery
for the ip addresses to be redistributed.
(This used to be ctdb commit f8294d103fdd8a720d0b0c337d3973c7fdf76b5c)
Add back the controls to enable/disable monitoring we used to have for debugging but removed a while ago
(This used to be ctdb commit 8477f6a079e2beb8c09c19702733c4e17f5032fe)
This can cause a memory leak if the call is terminated before we have managed to respond to the client.
(and the call is talloc_free()d but the data is still hanging off ctdb)
instead we must talloc_steal() the data and hang it off the call structure to avoid the memory leak.
In order to do this we must also change the call structure that is passed into ctdb_call_local() to be allocated through talloc().
This structure was previously either a static variable, or an element of a larger talloc()ed structure (ctdb_call_state or ctdb_client_call_state) so
we must change all creations of a ctdb_call into explicitely creating it through talloc()
(This used to be ctdb commit 4becf32aea088a25686e8bc330eb47d85ae0ef8f)
Vacumming used to delete one record at a time on all nodes, that was
m*n behaviour and would require a huge storm of ctdb->ctdb controls and just wouldnt scale at all.
The new vacuming process collects all records to be deleted locally and then only sends 1 control to the other nodes. This control contains a list of all records to be deleted.
(This used to be ctdb commit 9e625ece19a91f362c9539fa73b6b2108f0d9c53)
