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sense to have the daemon requeue the packets if they timeout or fail to
deliver to the remote node
(This used to be ctdb commit 9fb753046787190970654aeb937e96685ac53184)
to solve a race condition with the logic to retransmit in
ctdb_call.c/ctdb_call_timeout()
(This used to be ctdb commit 1044ddca9ff5c434816de35d3f659aa182704e97)
use this control from the recovery daemon to ensure that the recmaster
always have a higher rsn than andy other node for the records after
recovery completes
(This used to be ctdb commit 6fb6a8b981a804bfcc460c4481c51c7c647230f6)
- fixed the re-send of ctdb calls after a generation change
- fixed a reqid idr leak in controls
- removed the write_record test code
- use the new nonblock lockall code to prevent ctdbd from ever doing a
blocking lock that could deadlock with smbd
- moved more of the recovery controls into ctdb_recover.c
(This used to be ctdb commit 565a21aa4f1e842309986ab97d6244801153deec)
free it and also we wont accidentally return from the function without
killing the event first
(This used to be ctdb commit e3d72d024ef7342a808e5c488fd646a39e5fac78)
trigger
this must have been a sideeffect of a different bug in the recoverd.c
code that has now been fixed
(This used to be ctdb commit 676446fd1083c371ad0ff72dd8c636ec8e6d1423)
we really should kill the event in case the call completed before the
timeout so that we can also make timed_out non-static
(This used to be ctdb commit f297eed589b1d4e188f77f195683365cf91d0e62)
since if the command times out and we return from ctdb_control we may
have events that can trigger later which will overwrite data that is no
longer in our stackframe
(This used to be ctdb commit 93942543092be618c0bd8ef68b470b0789bad7ad)
this program is a client to the local ctdb daemon
every second it pulls all vnnmap and nodemaps from all nodes that are
available and checks if a recovery is required
a recovery is required if :
* all nodes do NOT have an identical vnnmap and generation
* all nodes do NOT have an identical nodemap
* there are active nodes that are NOT in the nodemap
* there are nodes in the nodemap that are NOT active
During recovery, the recovery tool will also make sure that all nodes
know about and have created all databases.
(This used to be ctdb commit 2f2650467bac7e8954de7c17cb34f46b0bdbcd26)
- allow controls to know which client invoked them
- added a client_id to clients, so they can be identified remotely
- added the ability to remove registered srvids
- in the list_keys code, register a temp srvid, then remove it afterwards
(This used to be ctdb commit 29603c51cc6d81362532cd8e50f75c8360c5f5ef)
dont explicitely free the vnnmap pointer in the getvnnmap control this
is freed by the mem_ctx instead
add code to the recoverd to detect when/if recovery is required
veiry that the number of active nodes, the nodemap and the vnn map is
consistent across the entire cluster and if not trigger a recovery
(which right now just prints "we need to do recovery" to the screen.
(This used to be ctdb commit 2b0a207a3748bdb3394dc9fd0d1c344ee1bb0bb5)
change ctdb_control so it takes a timeval pointer as argument.
this is the timeout. if the node has not responded within hte timeout
ctdb_control will return an error instead of hanging.
if the timeval pointer is NULL then the call will block indefinitely if
there is no response.
this is used for now in the createdb control but all the helpers
ctdb_ctrl_* should probably be updated to take a timeout parameter as
well.
(This used to be ctdb commit 1fe64b04869b17dbf123851b0fe09df8d28a6211)
for the time being
remove all the [de]marshalling and just pass a structure around instead
(This used to be ctdb commit b1169555ab7015976c0135ff51121cc238f5887c)
signature (flags field)
update some calls to ctdb_get_config() to use the new name
ctdb_ctrl_get_config()
change #include "talloc/talloc.h" to #include "lib/talloc/talloc.h" in
lib/events/events.h
(This used to be ctdb commit d2cdd87037b9f0c387228d7d4743da4869929c93)
this is not optimized at all and copies/merges all records between
databases instead of only those records for which a certain node is
lmaster. (step 7 should later be enhanced to a, delete the database,
push only those records for which the node is lmaster)
(This used to be ctdb commit 509d2c71169e96a8610f9db91293dc7a73c2cc10)
attach to databases after the protocol has started. The daemon
broadcasts information on new databases to the other daemons.
This also eliminates the need for the client to know about the hash
between db name and db_id.
(This used to be ctdb commit 3bad91a9d987d4c09fe3322eac23c2733660ad08)
for 2 days.
The main bug was in smbd, but there was a secondary (and more subtle)
bug in ctdb that the bug in smbd exposed. When we get send a dmaster
reply, we have to correctly update the dmaster in the recipient even
if the original requst has timed out, otherwise ctdbd can get into a
loop fighting over who will handle a key.
This patch also cleans up the packet allocation, and makes ctdbd
become a real daemon.
(This used to be ctdb commit 59405e59ef522b97d8e20e4b14310a217141ac7c)
while recovery is in progress the daemon will discard all CTDB_REQ_CALL
and rely on clients retransmitting them
add new controls to get/set the recovery mode
(This used to be ctdb commit 41458a61577885ac49150f830e92e93e634c5411)
it does not yet work since ctdb_control can right now only be called
from client context and the pull is implemented as the target ctdb node
itself using a get_keys to pull the keys from the source node thus
ctdb daemon needs to ctdb_control to a remote node
(This used to be ctdb commit a55c7c64b4ff87f54b90649c9f469b1ff36dc9ea)
