ctdb.git
13 years agoDeferred attach: create the timed event as a child context of the da context we want... 1.3
Ronnie Sahlberg [Wed, 16 Mar 2011 03:55:58 +0000 (14:55 +1100)]
Deferred attach: create the timed event as a child context of the da context we want to delete.
Othwervise the da context can be timed out and talloc_free()d
but the event for this already freed object will still trigger,
causing a talloc error and shutdown.

CQ S1022515

13 years agoIP reallocation. If a public address is already hosted on the node when we startup...
Ronnie Sahlberg [Sun, 13 Mar 2011 22:55:28 +0000 (09:55 +1100)]
IP reallocation. If a public address is already hosted on the node when we startup, log a warning message but do not cause the recovery to fail.

CQ S1022356

Signed-off-by: Michael Adam <obnox@samba.org>
13 years agoVacuuming: initialize a variable to avoid a harmless valgrind hit
Ronnie Sahlberg [Sun, 13 Mar 2011 00:30:52 +0000 (11:30 +1100)]
Vacuuming: initialize a variable to avoid a harmless valgrind hit

Signed-off-by: Michael Adam <obnox@samba.org>
13 years agoDont allow clients to connect to databases untile we are well past and through
Ronnie Sahlberg [Fri, 11 Mar 2011 22:42:07 +0000 (09:42 +1100)]
Dont allow clients to connect to databases untile we are well past and through
the initial recovery phase

CQ S1022412

Signed-off-by: Michael Adam <obnox@samba.org>
13 years agovacuum: fix a comment typo
Michael Adam [Fri, 11 Mar 2011 15:05:44 +0000 (16:05 +0100)]
vacuum: fix a comment typo

13 years agovacuum: use insert_record_into_delete_queue in ctdb_local_schedule_for_deletion.
Michael Adam [Fri, 11 Mar 2011 14:57:45 +0000 (15:57 +0100)]
vacuum: use insert_record_into_delete_queue in ctdb_local_schedule_for_deletion.

This is to take advantage of the hash collision handling and logging
also in ctdb_local_schedule_for_deletion.

13 years agovacuum: refactor insert_record_into_delete_queue out of ctdb_control_schedule_for_del...
Michael Adam [Fri, 11 Mar 2011 14:55:52 +0000 (15:55 +0100)]
vacuum: refactor insert_record_into_delete_queue out of ctdb_control_schedule_for_deletion

13 years agovacuum: raise a debug level from INFO to DEBUG
Michael Adam [Fri, 11 Mar 2011 13:57:15 +0000 (14:57 +0100)]
vacuum: raise a debug level from INFO to DEBUG

when overwriting an existing entry in the delete_queue.

13 years agoctdb_ltdb_store_server: honour the AUTOMATIC record flag
Michael Adam [Thu, 3 Feb 2011 15:32:23 +0000 (16:32 +0100)]
ctdb_ltdb_store_server: honour the AUTOMATIC record flag

Do not delete empty records that carry this flag but store
them and schedule them for deletetion. Do not store the flag
in the ltdb though, since this is internal only and should not
be visible to the client.

13 years agoltdb: add the CTDB_REC_FLAG_AUTOMATIC to the initial header in ctdb_ltdb_fetch()
Michael Adam [Thu, 3 Feb 2011 15:30:52 +0000 (16:30 +0100)]
ltdb: add the CTDB_REC_FLAG_AUTOMATIC to the initial header in ctdb_ltdb_fetch()

Signals that this record was not created by a client level store.

13 years agoctdb_private.h: add record flag CTDB_REC_FLAG_AUTOMATIC
Michael Adam [Thu, 3 Feb 2011 15:27:42 +0000 (16:27 +0100)]
ctdb_private.h: add record flag CTDB_REC_FLAG_AUTOMATIC

This is a flag that shall signa that a record has been automatically generated by ctdb
and not by an explicit client store operation. This will be used in the ctdb_ltdb_fetch
operation which stores an empty record with default initial header before trying to
migrate the record from the dmaster when the record does not exist in the local tdb.

13 years agoctdb_ltdb_store_server: add ability to send SCHEDULE_FOR_DELETION control to ctdb_ltd...
Michael Adam [Tue, 28 Dec 2010 12:19:22 +0000 (13:19 +0100)]
ctdb_ltdb_store_server: add ability to send SCHEDULE_FOR_DELETION control to ctdb_ltdb_store.

13 years agoctdb_ltdb_store_server: Improve debug message in ctdb_ltdb_store when store or delete...
Michael Adam [Tue, 21 Dec 2010 17:08:11 +0000 (18:08 +0100)]
ctdb_ltdb_store_server: Improve debug message in ctdb_ltdb_store when store or delete fails.

13 years agoctdb_ltdb_store_server: always store the data when ctdb_ltdb_store() is called from...
Michael Adam [Tue, 21 Dec 2010 16:50:52 +0000 (17:50 +0100)]
ctdb_ltdb_store_server: always store the data when ctdb_ltdb_store() is called from the client

This also fixes a segfault since ctdb_lmaster uses the vnn_map.

13 years agoctdb_ltdb_store_server: implement fastpath vacuuming deletion based on VACUUM_MIGRATE...
Michael Adam [Fri, 10 Dec 2010 13:13:50 +0000 (14:13 +0100)]
ctdb_ltdb_store_server: implement fastpath vacuuming deletion based on VACUUM_MIGRATED flag.

When the record has been obtained by the lmaster as part of the vacuuming-fetch
handler and it is empty and never been migrated with data, then such records
are deleted instead of being stored. These records have automatically been
deleted when leaving the former dmaster, so that they vanish for good when
hitting the lmaster in this way. This will reduces the load on traditional
vacuuming.

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>

13 years agoctdb_ltdb_store_server: delete an empty record that is safe to delete instead of...
Michael Adam [Fri, 3 Dec 2010 14:29:21 +0000 (15:29 +0100)]
ctdb_ltdb_store_server: delete an empty record that is safe to delete instead of storing locally.

When storing a record that is being migrated off to another node
and has never been migrated with data, then we can safely delete it
from the local tdb instead of storing the record with empty data.

Note: This record is not deleted if we are its lmaster or dmaster.

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>

13 years agoserver: Use the ctdb_ltdb_store_server() in the ctdb daemon for non-persistent dbs
Michael Adam [Thu, 30 Dec 2010 17:19:32 +0000 (18:19 +0100)]
server: Use the ctdb_ltdb_store_server() in the ctdb daemon for non-persistent dbs

This is realized by adding a ctdb_ltdb_store_fn function pointer to the db
context and filling it in the attach procedure for non-persistent dbs.

13 years agoserver: create a server variant ctdb_ltdb_store_server() of ctdb_ltdb_store().
Michael Adam [Thu, 30 Dec 2010 16:44:51 +0000 (17:44 +0100)]
server: create a server variant ctdb_ltdb_store_server() of ctdb_ltdb_store().

This is supposed to contain logic for deleting records that are safe
to delete and scheduling records for deletion. It will be called in
server context for non-persistent databases instead of the standard
ctdb_ltdb_store() function.

13 years agodaemon: fill ctdb->ctdbd_pid early
Michael Adam [Tue, 28 Dec 2010 12:14:23 +0000 (13:14 +0100)]
daemon: fill ctdb->ctdbd_pid early

13 years agotest: send SCHEDULE_FOR_DELETION control from randrec test.
Michael Adam [Tue, 21 Dec 2010 14:29:46 +0000 (15:29 +0100)]
test: send SCHEDULE_FOR_DELETION control from randrec test.

13 years agoclient: add accessor function ctdb_header_from_record_handle().
Michael Adam [Tue, 21 Dec 2010 14:29:23 +0000 (15:29 +0100)]
client: add accessor function ctdb_header_from_record_handle().

13 years agovacuum: add ctdb_local_schedule_for_deletion()
Michael Adam [Tue, 28 Dec 2010 12:13:34 +0000 (13:13 +0100)]
vacuum: add ctdb_local_schedule_for_deletion()

13 years agoserver: implement a new control SCHEDULE_FOR_DELETION to fill the delete_queue.
Michael Adam [Tue, 21 Dec 2010 13:25:48 +0000 (14:25 +0100)]
server: implement a new control SCHEDULE_FOR_DELETION to fill the delete_queue.

13 years agocontrol: add a new control opcode CTDB_CONTROL_SCHEDULE_FOR_DELETION
Michael Adam [Tue, 8 Mar 2011 23:57:55 +0000 (00:57 +0100)]
control: add a new control opcode CTDB_CONTROL_SCHEDULE_FOR_DELETION

13 years agocontrol: add macro CHECK_CONTROL_MIN_DATA_SIZE.
Michael Adam [Tue, 8 Mar 2011 23:56:25 +0000 (00:56 +0100)]
control: add macro CHECK_CONTROL_MIN_DATA_SIZE.

This is for the control dispatcher to check whether the input data has
a required minimum size.

13 years agovacuum: lower level of hash collision debug message to INFO
Michael Adam [Thu, 23 Dec 2010 10:54:09 +0000 (11:54 +0100)]
vacuum: lower level of hash collision debug message to INFO

13 years agovacuum: add statistics output to the fast and full traverse runs.
Michael Adam [Wed, 22 Dec 2010 23:27:27 +0000 (00:27 +0100)]
vacuum: add statistics output to the fast and full traverse runs.

13 years agovacuum: refactor insert_delete_record_data_into_tree() out of add_record_to_delete_tree()
Michael Adam [Tue, 21 Dec 2010 13:19:00 +0000 (14:19 +0100)]
vacuum: refactor insert_delete_record_data_into_tree() out of add_record_to_delete_tree()

for reuse in filling the delete_queue.

13 years agovacuum: change all Vacuum*Interval tunables to default to 10
Michael Adam [Mon, 20 Dec 2010 20:43:41 +0000 (21:43 +0100)]
vacuum: change all Vacuum*Interval tunables to default to 10

So, by default we have a fastpath vacuuming every 10 seconds and
full blown db-traverse vacuuming once every 10 minutes.

13 years agovacuum: disable full db-traverse vacuuming runs when VacuumFastPathCount == 0
Michael Adam [Mon, 20 Dec 2010 20:30:39 +0000 (21:30 +0100)]
vacuum: disable full db-traverse vacuuming runs when VacuumFastPathCount == 0

13 years agovacuum: Only run full vacuumig (db traverse) every VacuumFastPathCount times.
Michael Adam [Mon, 20 Dec 2010 17:03:38 +0000 (18:03 +0100)]
vacuum: Only run full vacuumig (db traverse) every VacuumFastPathCount times.

13 years agovacuum: reset the fast path count in the event handle if it exceeds the limit.
Michael Adam [Mon, 20 Dec 2010 16:54:04 +0000 (17:54 +0100)]
vacuum: reset the fast path count in the event handle if it exceeds the limit.

13 years agovacuum: bump the number of fast-path runs in the vacuum child destructor
Michael Adam [Mon, 20 Dec 2010 16:49:29 +0000 (17:49 +0100)]
vacuum: bump the number of fast-path runs in the vacuum child destructor

13 years agovacuum: add a fast_path_count to the vacuum_handle.
Michael Adam [Mon, 20 Dec 2010 16:44:02 +0000 (17:44 +0100)]
vacuum: add a fast_path_count to the vacuum_handle.

13 years agoAdd a tunable VacuumFastPathCount.
Michael Adam [Mon, 20 Dec 2010 16:42:25 +0000 (17:42 +0100)]
Add a tunable VacuumFastPathCount.

This will control how many fast-path vacuuming runs wil have to
be done, before a full vacuuming will be triggered, i.e. one with
a db-traversal.

13 years agovacuum: traverse the delete_queue befor traversing the database.
Michael Adam [Mon, 20 Dec 2010 16:25:35 +0000 (17:25 +0100)]
vacuum: traverse the delete_queue befor traversing the database.

13 years agovacuum: add delete_queue_traverse() for traversal of the delete_queue.
Michael Adam [Mon, 20 Dec 2010 16:24:32 +0000 (17:24 +0100)]
vacuum: add delete_queue_traverse() for traversal of the delete_queue.

13 years agovacuum: reduce indentation in add_record_to_delete_tree()
Michael Adam [Tue, 21 Dec 2010 10:22:50 +0000 (11:22 +0100)]
vacuum: reduce indentation in add_record_to_delete_tree()

This simplyfies the logical structure a bit by using early return.

13 years agovacuum: refactor new add_record_to_delete_tree() out of vacuum_traverse().
Michael Adam [Mon, 20 Dec 2010 16:11:27 +0000 (17:11 +0100)]
vacuum: refactor new add_record_to_delete_tree() out of vacuum_traverse().

This will be reused by the traversal of the delete_queue list.

13 years agovacuum: skip adding records to list of records to send to lmaster on lmaster
Michael Adam [Mon, 20 Dec 2010 15:41:13 +0000 (16:41 +0100)]
vacuum: skip adding records to list of records to send to lmaster on lmaster

This list is skipped afterwards when the lists are processed.

13 years agovacuum: refactor new add_record_to_vacuum_fetch_list() out of vacuum_traverse().
Michael Adam [Mon, 20 Dec 2010 15:31:27 +0000 (16:31 +0100)]
vacuum: refactor new add_record_to_vacuum_fetch_list() out of vacuum_traverse().

This is the function that fills the list of records to send to each lmaster
with the VACUUM_FETCH message.

This function will be reused in the traverse function for the delete_queue.

13 years agoserver: rename ctdb_repack_db() to ctdb_vacuum_and_repack_db()
Michael Adam [Mon, 20 Dec 2010 09:55:53 +0000 (10:55 +0100)]
server: rename ctdb_repack_db() to ctdb_vacuum_and_repack_db()

13 years agoWhen wiping a database, clear the delete_queue.
Michael Adam [Fri, 17 Dec 2010 01:22:02 +0000 (02:22 +0100)]
When wiping a database, clear the delete_queue.

13 years agovaccum: clear the fast-path vacuuming delete_queue after creating the vacuuming child.
Michael Adam [Fri, 17 Dec 2010 00:53:25 +0000 (01:53 +0100)]
vaccum: clear the fast-path vacuuming delete_queue after creating the vacuuming child.

Maybe we should keep a copy for the case that the vacuuming fails?

13 years agoWhen attaching to a non-persistent DB, initialize the delete_queue.
Michael Adam [Fri, 17 Dec 2010 00:38:09 +0000 (01:38 +0100)]
When attaching to a non-persistent DB, initialize the delete_queue.

13 years agoAdd a delete_queue to the ctdb database context struct.
Michael Adam [Wed, 22 Dec 2010 13:50:53 +0000 (14:50 +0100)]
Add a delete_queue to the ctdb database context struct.

This list will be filled by the client using a new
delete control. The list will then be used to implement
a fast-path vacuuming that will traverse this list instead
of traversing the database.

13 years agocall: becoming dmaster in VACUUM_MIGRATION, set the VACUUM_MIGRATED record flag
Michael Adam [Fri, 10 Dec 2010 13:11:38 +0000 (14:11 +0100)]
call: becoming dmaster in VACUUM_MIGRATION, set the VACUUM_MIGRATED record flag

This temporary flag is used for the local record storage function to
decide whether to delete an empty record which has never been migrated
with data as part of the fast-path vacuuming process or, or to store
the record.

13 years agocall: hand the submitted record_flags to local record storage function.
Michael Adam [Fri, 10 Dec 2010 13:07:21 +0000 (14:07 +0100)]
call: hand the submitted record_flags to local record storage function.

13 years agocall: transfer the record flags in the ctdb call packets.
Michael Adam [Fri, 10 Dec 2010 13:02:33 +0000 (14:02 +0100)]
call: transfer the record flags in the ctdb call packets.

This way, the MIGRATED_WITH_DATA information can be transported
along with the records. This is important for vacuuming to function
properly.

The record flags are appended to the data section of the ctdb_req_dmaster
and ctdb_reply_dmaster structs.

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>

13 years agoserver: in the VACUUM_FETCH handler, add the VACUUM_MIGRAION to the call flags
Michael Adam [Fri, 10 Dec 2010 12:59:37 +0000 (13:59 +0100)]
server: in the VACUUM_FETCH handler, add the VACUUM_MIGRAION to the call flags

This way, the records coming in via this handler, can be treated appropriately.
Namely, they can be deleted instead of being stored when the meet the fast-path
vacuuming criteria (empty, never migrated with data...)

13 years agoadd a new record flag CTDB_REC_FLAG_VACUUM_MIGRATED.
Michael Adam [Fri, 10 Dec 2010 12:57:01 +0000 (13:57 +0100)]
add a new record flag CTDB_REC_FLAG_VACUUM_MIGRATED.

This is to be used internally. The purpose is to flag a record
as been migrated by a VACUUM_MIGRATION, which is triggered by
a VACUUM_FETCH message as part of the vacuuming. The local store
routine will base its decision whether to delete or to store
the record (among other things) upon the value of this flag.

This flag should never be stored in the local database copies.

13 years agocall: Move definition of call flags down to the definition of the flags field.
Michael Adam [Fri, 10 Dec 2010 13:22:55 +0000 (14:22 +0100)]
call: Move definition of call flags down to the definition of the flags field.

13 years agocall: add new call flag CTDB_CALL_FLAG_VACUUM_MIGRATION
Michael Adam [Fri, 10 Dec 2010 13:24:40 +0000 (14:24 +0100)]
call: add new call flag CTDB_CALL_FLAG_VACUUM_MIGRATION

This is to be used when the CTDB_SRVID_VACUUM_FETCH message
triggers the migration of deleted records to the lmaster.
The lmaster can then delete records that have not been
migrated with data instead of storing them.

13 years agorecoverd: in a recovery, set the MIGRATED_WITH_DATA flag on all records
Michael Adam [Fri, 3 Dec 2010 14:24:06 +0000 (15:24 +0100)]
recoverd: in a recovery, set the MIGRATED_WITH_DATA flag on all records

Those records that are kept after recovery, are non-empty, and
stored identically on all nodes. So this is as if they had been
migrated with data.

Pair-Programmed-With: Stefan Metzmacher <metze@samba.org>

13 years agoserver: when we migrate off a record with data, set the MIGRATED_WITH_DATA flag
Michael Adam [Fri, 3 Dec 2010 14:21:51 +0000 (15:21 +0100)]
server: when we migrate off a record with data, set the MIGRATED_WITH_DATA flag

13 years agovacuum: check lmaster against num_nodes instead of vnn_map->size
Michael Adam [Thu, 3 Feb 2011 11:15:41 +0000 (12:15 +0100)]
vacuum: check lmaster against num_nodes instead of vnn_map->size

When lmaster is bigger than the biggest recorded node number,
then exit the traverse with error.

13 years agovacuum: reduce indentation of the loop sending VACUUM_FETCH controls
Michael Adam [Thu, 3 Feb 2011 16:47:36 +0000 (17:47 +0100)]
vacuum: reduce indentation of the loop sending VACUUM_FETCH controls

This slightly improves the code structure in that loop.

13 years agovacuum: correctly send TRY_DELETE_RECORDS ctrl to all active nodes
Michael Adam [Thu, 3 Feb 2011 11:26:45 +0000 (12:26 +0100)]
vacuum: correctly send TRY_DELETE_RECORDS ctrl to all active nodes

Originally, the control was sent to all records in the vnn_map, but
there was something still missing here:
When a node can not become lmaster (via CTDB_CAPABILITY_LMASTER=no)
then it will not be part of the vnn_map. So such a node would
be active but never receive the TRY_DELETE_RECORDS control from a
vacuuming run.

This is fixed in this change by correctly building the list of
active nodes first in the same way that the recovery process does it.

13 years agovacuum: in ctdb_vacuum_db, fix the length of the array of vacuum fetch lists
Michael Adam [Thu, 3 Feb 2011 11:18:58 +0000 (12:18 +0100)]
vacuum: in ctdb_vacuum_db, fix the length of the array of vacuum fetch lists

This patch fixes segfaults in the vacuum child when at least one
node has been stopped or removed from the cluster:

The size of the vnn_map is only the number of active nodes
(that can be lmaster). But the node numbers that are referenced
by the vnn_map spread over all configured nodes.

Since the array of vacuum fetch lists is referenced by the
key's lmaster's node number later on, the array needs to
be of size num_nodes instad of vnn_map->size.

13 years agoFix typos in a comment in vacuum_traverse.
Michael Adam [Mon, 20 Dec 2010 15:26:50 +0000 (16:26 +0100)]
Fix typos in a comment in vacuum_traverse.

13 years agotests: fix segfault in store test when connection to ctdbd failed.
Michael Adam [Tue, 21 Dec 2010 16:18:03 +0000 (17:18 +0100)]
tests: fix segfault in store test when connection to ctdbd failed.

13 years agotests: fix segfault in fetch_one test when connection to ctdbd fails
Michael Adam [Tue, 21 Dec 2010 16:15:41 +0000 (17:15 +0100)]
tests: fix segfault in fetch_one test when connection to ctdbd fails

13 years agotests: fix segfault in fetch test when connection to ctdb failed.
Michael Adam [Tue, 21 Dec 2010 16:14:33 +0000 (17:14 +0100)]
tests: fix segfault in fetch test when connection to ctdb failed.

13 years agotests: fix segfault in randrec test when connection to daemon fails.
Michael Adam [Tue, 21 Dec 2010 16:11:26 +0000 (17:11 +0100)]
tests: fix segfault in randrec test when connection to daemon fails.

13 years agogitignore: add tags file
Michael Adam [Fri, 3 Dec 2010 14:39:44 +0000 (15:39 +0100)]
gitignore: add tags file

13 years agogitignore: add vi swap files
Michael Adam [Fri, 3 Dec 2010 14:39:26 +0000 (15:39 +0100)]
gitignore: add vi swap files

13 years agoserver: add a comment explaining the call redirect logic in ctdb_call_send_redirect().
Michael Adam [Wed, 24 Nov 2010 07:01:01 +0000 (08:01 +0100)]
server: add a comment explaining the call redirect logic in ctdb_call_send_redirect().

13 years agoRestart recovery dameon if it looks like it hung.
Ronnie Sahlberg [Thu, 3 Mar 2011 19:55:24 +0000 (06:55 +1100)]
Restart recovery dameon if it looks like it hung.
Dont shutdown ctdbd completely, that only makes the problem worse.

13 years agoIf/when the recovery daemon terminates unexpectedly, try to restart it again from...
Ronnie Sahlberg [Tue, 1 Mar 2011 01:09:42 +0000 (12:09 +1100)]
If/when the recovery daemon terminates unexpectedly, try to restart it again from the main daemon instead of just shutting down the main deamon too.

While it does not address the reason for recovery daemon shutting down, it reduces the impact of such issues and makes the system more robust.

13 years agoversion 1.2.200
Ronnie Sahlberg [Mon, 28 Feb 2011 23:48:04 +0000 (10:48 +1100)]
version 1.2.200

13 years agoATTACH_DB: simplify the code slightly and change the semantics to only
Ronnie Sahlberg [Thu, 24 Feb 2011 23:33:12 +0000 (10:33 +1100)]
ATTACH_DB: simplify the code slightly and change the semantics to only
refuse a db attach during recovery IF we can associate the request from a
genuine real client instead of deciding this on whether client_id is zero or

This will suppress/avoid messages like these :
DB Attach to database %s refused. Can not match clientid...

13 years agoDont return error if trying to set db priority on a db that does not yet exist.
Ronnie Sahlberg [Thu, 24 Feb 2011 23:06:08 +0000 (10:06 +1100)]
Dont return error if trying to set db priority on a db that does not yet exist.
Just treat as a nop.

When the database is created later it will get its priority set properly.

13 years agonew version 1.3.2
Ronnie Sahlberg [Thu, 24 Feb 2011 21:57:07 +0000 (08:57 +1100)]
new version 1.3.2

13 years agorecover: finish pending trans3 commits when a recovery is finished.
Michael Adam [Wed, 23 Feb 2011 16:39:57 +0000 (17:39 +0100)]
recover: finish pending trans3 commits when a recovery is finished.

When the end_recovery control is received, pending trans3 commits are
finished. During the recovery, all the actions like persistent_callback
and persistent_store_timeout had been disabled to let the recovery do
its job. After the recover is completed, send the reply to the waiting
clients.

13 years agopersistent: add ctdb_persistent_finish_trans3_commits().
Michael Adam [Wed, 23 Feb 2011 16:38:40 +0000 (17:38 +0100)]
persistent: add ctdb_persistent_finish_trans3_commits().

This function walks all databases and checks for running trans3 commits.
It sends replies to all of them (with error code) and ends them.
To be called when a recovery finishes.

13 years agodaemon: correctly end a running trans3_commit if the client disconnects.
Michael Adam [Wed, 23 Feb 2011 16:37:42 +0000 (17:37 +0100)]
daemon: correctly end a running trans3_commit if the client disconnects.

13 years agopersistent: add a client context to the persistent_stat and track the db_id
Michael Adam [Wed, 23 Feb 2011 16:35:27 +0000 (17:35 +0100)]
persistent: add a client context to the persistent_stat and track the db_id

The db_id is tracked in the client context as an indication that a
transaction commit is in progress. This is cleared in the persistent_state
talloc destructor.

This is in order to properly treat running trans3_commits if the client
disconnects.

13 years agopersistent: reject trans3_control when a commit is already active.
Michael Adam [Tue, 22 Feb 2011 23:03:07 +0000 (00:03 +0100)]
persistent: reject trans3_control when a commit is already active.

This should actually never happen.

13 years agopersistent: allocate the persistent state in the ctdb_db struct in trans3_commit
Michael Adam [Tue, 22 Feb 2011 23:01:13 +0000 (00:01 +0100)]
persistent: allocate the persistent state in the ctdb_db struct in trans3_commit

Make sure that ctdb_db->persistent_state is correctly NULL-ed when
the state is freed. This way, we can use ctdb_db->persistent_state
as an indication for whether a transaction commit is currently
running.

13 years agopersistent: add a ctdb_db context to the ctdb_persistent_state struct.
Michael Adam [Tue, 22 Feb 2011 23:23:18 +0000 (00:23 +0100)]
persistent: add a ctdb_db context to the ctdb_persistent_state struct.

13 years agopersistent: add a ctdb_persistent_state member to the ctdb_db context.
Michael Adam [Tue, 22 Feb 2011 23:00:04 +0000 (00:00 +0100)]
persistent: add a ctdb_persistent_state member to the ctdb_db context.

To be used for tracking running transaction commits through recoveries.

13 years agopersistent_callback: print "no error message given" instead of "(null)"
Michael Adam [Tue, 22 Feb 2011 21:49:52 +0000 (22:49 +0100)]
persistent_callback: print "no error message given" instead of "(null)"

13 years agopersistent: reduce indentation for the finishing moves in ctdb_persistent_callback
Michael Adam [Tue, 22 Feb 2011 21:47:30 +0000 (22:47 +0100)]
persistent: reduce indentation for the finishing moves in ctdb_persistent_callback

13 years agopersistent: if a node failed to update_record, trigger a recovery
Michael Adam [Tue, 22 Feb 2011 21:44:16 +0000 (22:44 +0100)]
persistent: if a node failed to update_record, trigger a recovery

and stop processing of the update_record replies in order to let
the recovery finish the trans3_commit control.

13 years agopersistent_store_timout: do not really time out the trans3_commit control in recovery
Michael Adam [Tue, 22 Feb 2011 21:24:50 +0000 (22:24 +0100)]
persistent_store_timout: do not really time out the trans3_commit control in recovery

If a recovery was started, then all further processing of the update_record
controls sent by the trans3_commit control and timing them out is disabled.
The recovery should trigger sending the reply for the update record control
when finished.

13 years agopersistent_callback: ignore the update-recordreturn code of remote node in recovery
Michael Adam [Tue, 22 Feb 2011 21:24:50 +0000 (22:24 +0100)]
persistent_callback: ignore the update-recordreturn code of remote node in recovery

If a recovery was started, then all further processing of the update_record
controls sent by the trans3_commit control is disabled. The recovery should
trigger sending the reply for the update record control when finished.

13 years agoDeferred attach : at early startup, defer any db attach calls until we are out of...
Ronnie Sahlberg [Wed, 23 Feb 2011 04:46:36 +0000 (15:46 +1100)]
Deferred attach : at early startup, defer any db attach calls until we are out of recovery.

13 years agonew version 1.3.1
Ronnie Sahlberg [Mon, 21 Feb 2011 05:48:18 +0000 (16:48 +1100)]
new version 1.3.1

13 years ago50.samba run the smbcontrol in the background. no need to block waiting for it.
Ronnie Sahlberg [Mon, 21 Feb 2011 05:47:45 +0000 (16:47 +1100)]
50.samba   run the smbcontrol in the background. no need to block waiting for it.

13 years agoMerge branch '1.3' of 10.1.1.27:/shared/ctdb/ctdb-git into 1.3
Ronnie Sahlberg [Mon, 21 Feb 2011 05:19:18 +0000 (16:19 +1100)]
Merge branch '1.3' of 10.1.1.27:/shared/ctdb/ctdb-git into 1.3

13 years agoctdb_req_dmaster from non-master
Ronnie Sahlberg [Fri, 18 Feb 2011 00:21:19 +0000 (11:21 +1100)]
ctdb_req_dmaster from non-master

If we find a situatior where we get a stray packet with the wrong
dmaster, dont suicide with ctdb_fatal() since this is too disruptive.
Just drop the stray packet and force a recovery to make sure all is good again.

CQ S1022004

13 years agoMerge branch '1.3' of 10.1.1.27:/shared/ctdb/ctdb-git into 1.3
Ronnie Sahlberg [Fri, 18 Feb 2011 00:11:31 +0000 (11:11 +1100)]
Merge branch '1.3' of 10.1.1.27:/shared/ctdb/ctdb-git into 1.3

13 years agoMerge branch '1.3' of 10.1.1.27:/shared/ctdb/ctdb-git into 1.3
Ronnie Sahlberg [Fri, 18 Feb 2011 00:02:21 +0000 (11:02 +1100)]
Merge branch '1.3' of 10.1.1.27:/shared/ctdb/ctdb-git into 1.3

13 years ago50.samba : Tell winbind about every time we add/remove and ip from the node
Ronnie Sahlberg [Thu, 17 Feb 2011 23:44:55 +0000 (10:44 +1100)]
50.samba : Tell winbind about every time we add/remove and ip from the node

CQ S1021636

13 years agoNew branch 1.3
Ronnie Sahlberg [Thu, 17 Feb 2011 23:36:15 +0000 (10:36 +1100)]
New branch 1.3

13 years agoRevert "Dont allow client processes to attach to databases while we are still in...
Ronnie Sahlberg [Thu, 17 Feb 2011 20:39:14 +0000 (07:39 +1100)]
Revert "Dont allow client processes to attach to databases while we are still in recovery mode."

This reverts commit faf3b1542fd27b3ad32ac7b362ef39d8cb0b05ff.

git pull ... 1.2-splitbrain
does not do what I think it does.
Revert patch and pull it into the right branch instead.

13 years agoDont allow client processes to attach to databases while we are still in recovery...
Ronnie Sahlberg [Thu, 17 Feb 2011 02:14:41 +0000 (13:14 +1100)]
Dont allow client processes to attach to databases while we are still in recovery mode.

The exception is the local recovery daemon which needs to be able to attach (==create) any missing databases during recovery. This process requires the use of the attach control.

13 years agoNew version 1.2.20
Ronnie Sahlberg [Tue, 8 Feb 2011 06:01:33 +0000 (17:01 +1100)]
New version 1.2.20

13 years agoWe default to non-deterministic ip now where ips are "sticky" and dont change
Ronnie Sahlberg [Wed, 2 Feb 2011 04:00:53 +0000 (15:00 +1100)]
We default to non-deterministic ip now where ips are "sticky" and dont change
too much.
This means we can simplify the way we add ips significantly and stop
trying to move them.

We also check if the node already hosts the ip, in which case we used to return an error. Instead just print an error string but return 0, ok.
This makes it easier to script, and works around broken scripts.

CQ1021034

13 years agoNew version 1.2.19
Ronnie Sahlberg [Mon, 31 Jan 2011 06:48:22 +0000 (17:48 +1100)]
New version 1.2.19