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Commit Graph

204 Commits

Author SHA1 Message Date
Ronnie Sahlberg
206fb1fd3b add a recover test change alignment for the pull/push db structures
(This used to be ctdb commit 0eb45623ca103e69765ed577ae02e7f8ca777e37)
2007-05-02 21:00:02 +10:00
Ronnie Sahlberg
a1cac30684 discard REQ/REPLY DMASTER when generation id is wrong or when in
recovery mode

(This used to be ctdb commit bfd6d430f22e38cff1d64510dc447cfbe1dab35f)
2007-05-02 13:31:42 +10:00
Ronnie Sahlberg
599fa31266 update some calls to ctdb_control() that were still using the old
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)
2007-05-02 11:02:04 +10:00
Ronnie Sahlberg
3a891c6676 merge with tridges tree to resolve all conflicts
(This used to be ctdb commit 0f7c6c580ef0de60af68fd22bce36c0c0b2515b0)
2007-05-02 10:53:29 +10:00
Ronnie Sahlberg
88e3ca3b2e fix a bug in pushdb control.
we should only write the pushed record if RSN of the new one if higher 
than the rsn of the existing one    not the other way around

(This used to be ctdb commit f535008c3755cf84acff7bc73ea05c0901e940ef)
2007-05-02 10:25:14 +10:00
Ronnie Sahlberg
51630f9b12 add an initial recovery control to perform samba3 style recovery
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)
2007-05-02 10:20:34 +10:00
Andrew Tridgell
2dc24c7d56 added a hopcount in ctdb_call
(This used to be ctdb commit 36d838801a2a2008c50322cdbfff65a308b1cd1a)
2007-05-01 13:25:02 +10:00
Andrew Tridgell
5b8c4bba5a auto-determine listen address by attempting to bind to each address in the cluster in turn
(This used to be ctdb commit 2fab9f96df2e5b5c51c860fd65caf0e926a63e34)
2007-05-01 06:34:55 +10:00
Andrew Tridgell
9366120d92 changed the way set_call and attach are done so that you can safely
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)
2007-04-30 15:31:40 +02:00
Andrew Tridgell
4832d8f834 don't use stderr here - rely on logging
(This used to be ctdb commit a2a3b254b22dbaafc8c4934d99cc67d6ae4adbd1)
2007-04-30 11:10:21 +02:00
Andrew Tridgell
f455d3f44b saner logfile code
testing of ctdbd

(This used to be ctdb commit 05789da5818f8b20f04779b0df5125914d9047f6)
2007-04-29 22:42:23 +02:00
Ronnie Sahlberg
eacfcaf437 add push/pull of tdb and a control to copy a tdb from one node to
another node

(This used to be ctdb commit c313daff4c1362cd08a9f682ce04cab312678038)
2007-04-30 00:58:27 +10:00
Andrew Tridgell
e21f69107f yay! finally fixed the bug that volker, ronnie and I have been chasing
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)
2007-04-29 16:19:40 +02:00
Ronnie Sahlberg
f67a79ad8e merge from tridge
(This used to be ctdb commit a84e9b47a87fc7d4756b4a179aa2ea0bc7c54c78)
2007-04-29 23:49:27 +10:00
Ronnie Sahlberg
77ce5750b2 add a new "recovery mode" field to ctdb.
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)
2007-04-29 22:51:56 +10:00
Ronnie Sahlberg
1af701291f implement a control to pull a database from a remote node
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)
2007-04-29 22:14:51 +10:00
Ronnie Sahlberg
376a3ea852 control to delete all records in a database
(This used to be ctdb commit 6664e00fc02e1c60cc1a35ecd15f4893a34f23d1)
2007-04-29 18:48:46 +10:00
Ronnie Sahlberg
c0b0b4a0f5 add a new control to set all records in a database to a new dmaster
(This used to be ctdb commit fd0d2385206b0329b74d908f3bdf89d3f32095d1)
2007-04-29 18:34:11 +10:00
Ronnie Sahlberg
097037a055 add a control to read an entire tdb from a node including
key/lmaster/header and data

(This used to be ctdb commit ac00d6271ba6356c1edf804df44d0d2600791610)
2007-04-29 05:47:13 +10:00
Andrew Tridgell
10910f52eb added reset status control
(This used to be ctdb commit ec342b667a085a5c740fbeec8882070571071862)
2007-04-28 19:13:36 +02:00
Andrew Tridgell
1627a5d749 removed unnecessary variable
(This used to be ctdb commit ef0027faa631b00c7fc1a7c4538fbf3080248f0b)
2007-04-28 18:55:37 +02:00
Andrew Tridgell
6e09bfdaf9 much simpler redirect logic
(This used to be ctdb commit 95db9afa7dd039e1700e2f3078782f6ac66e9f51)
2007-04-28 18:18:33 +02:00
Andrew Tridgell
c885b159f4 use ctdb_get_connected_nodes for node listing
(This used to be ctdb commit b4efdd1944207e51dccd6cd5e50f451a7dddcd91)
2007-04-28 17:42:40 +02:00
Andrew Tridgell
4b6d00974d added status all and debug all control operations
(This used to be ctdb commit 7f902f6c4270adc0543096c78415d335b88d6232)
2007-04-28 17:13:30 +02:00
Andrew Tridgell
e6d5848a20 report number of clients in ping
(This used to be ctdb commit 9deaa1892faa8288cad9f6fde20d2aa8ba8af699)
2007-04-28 15:15:21 +02:00
Ronnie Sahlberg
d81b306b93 merge with tridge
fix the logic in ctdb_connected to print CONNECTED if the node is 
connected and UNAVAILABLE when the node is dead  instead of the opposite

(This used to be ctdb commit 0f431d2f3e0bd94d10fe77e56cf0ed6c48402400)
2007-04-28 23:11:23 +10:00
Andrew Tridgell
2e77ee8f4d merged from ronnie
(This used to be ctdb commit 521484a462dcddeebe02bb9c725e18939919b6fe)
2007-04-28 13:02:59 +02:00
Ronnie Sahlberg
acb4bc095b add a few more controls that are useful for debugging a cluster
(This used to be ctdb commit 751c1365ab55a217ff33d985d52bd26581578617)
2007-04-28 20:40:26 +10:00
Andrew Tridgell
6c56be8888 allow ctdbd_allocate_pkt to be used in client code
(This used to be ctdb commit 2c37cc7bb97dee5bb2e929958e6c834b27c9ae6a)
2007-04-28 12:01:46 +02:00
Ronnie Sahlberg
643bfe83d3 add a control to pull the database list from a remote node
(This used to be ctdb commit d130e02936ea4bdcd3a6f02c53be4b7771993138)
2007-04-28 20:00:50 +10:00
Andrew Tridgell
ee228e870d fixed some warnings
(This used to be ctdb commit b5434a40cf2db008eb1e681fcd2ceeff331324fa)
2007-04-28 11:35:49 +02:00
Ronnie Sahlberg
fd9b5591ba you cant dereference ctdb->vnnmap in the client since it is null in hte
client

(This used to be ctdb commit cbd01fc8978f798a5eb5c8920a1acb68d43f7a80)
2007-04-28 19:28:25 +10:00
Andrew Tridgell
353a82f87c factor out the packet allocation code
(This used to be ctdb commit 4cbaf22cc4bede8c95dd9b87e21bbe886307e23b)
2007-04-28 10:50:32 +02:00
Andrew Tridgell
a8de91b83f merge from ronnie
(This used to be ctdb commit 9253714401de1d7fea6ad44c35f324004683abd7)
2007-04-28 09:54:45 +02:00
Ronnie Sahlberg
21331d3c94 ctdb will now verify that the generation id for all CTDB_REQ_CALLs that
it receives from remote nodes with its own generation number.

if the generation id do not match the daemon will just discard the 
packet completely.
this will require that clients such as samba3 will have to be aware that 
calls it sends to remote nodes may get lost and will have to resend the 
requests after a timeout.

during cluster recovery/reconfiguration the generation nnumbers will be 
changing and this can be used to prevent nodes that are still in the 
"old" instance from talking to nodes that belong to the new generation 
instance

(This used to be ctdb commit 4c197f1cbfdd5f65af9c059aae2b4508ebd0cd34)
2007-04-28 01:48:31 +10:00
Ronnie Sahlberg
8d670cbf74 clients should not fill in "generation" nor be aware of what generation
the cluster is currently in.

remove all instances where the clients try to fill in the generation 
field of the header

(This used to be ctdb commit fd75463f69f9f9100b2fe4cb710201a8262cdcec)
2007-04-28 01:19:40 +10:00
Andrew Tridgell
d2f600b15f always use allocated packets to avoid alignment errors
(This used to be ctdb commit 47b53d344941a3203c87788439e7df59477681be)
2007-04-27 17:10:47 +02:00
Ronnie Sahlberg
916c55ec2f add a generation field to the pdu header.
this will allow a node to verify that a received pdu is sent from a node 
in the same generation instance of a cluster.

(This used to be ctdb commit e32d3ca9a622237c4e2622de98825c0962760d48)
2007-04-28 01:06:26 +10:00
Andrew Tridgell
e629252b2c merge from ronnie
(This used to be ctdb commit d21de127cceea7174b2e05701c8846c0b0c881c0)
2007-04-27 16:53:52 +02:00
Andrew Tridgell
eee3912c99 some debug code
(This used to be ctdb commit 957801ad6285c21fd11469a60dbdcc170e7009cb)
2007-04-27 16:42:43 +02:00
Ronnie Sahlberg
5b4ebe1345 make srvid 64 bits instead of 32 bits
(This used to be ctdb commit 723bcfbba1d5aa711496d37b9658190b78a2d66b)
2007-04-28 00:31:45 +10:00
Ronnie Sahlberg
7d1b82fd09 merge from tridge
(This used to be ctdb commit 0d6fb241faa15cb2183d2faa4c5ffa607b9d5f46)
2007-04-27 23:41:45 +10:00
Andrew Tridgell
3dc6331aee merged broadcast messages from ronnie
(This used to be ctdb commit bc20a7de280dbaa5e8ceb5493c51c059aa80d41c)
2007-04-27 15:26:13 +02:00
Ronnie Sahlberg
f616f2de10 add a special VNN that means "all" nodes so that a message can be
broadcasted to all daemons in the cluster

change the message dispatch routine for sending messages so that it 
allows several clients to use the same srvid
messages are then passed on to all clients that have that srvid

(This used to be ctdb commit 05d7ebb3556785f0f17a87d808f31ffe8dac288a)
2007-04-27 23:16:17 +10:00
Andrew Tridgell
22546add19 debug level controls
(This used to be ctdb commit 85f883c081dd1ab069420d2e7f4f2e9d708b3cde)
2007-04-27 15:14:36 +02:00
Andrew Tridgell
837c3cc4b1 nicer testing of control data size
(This used to be ctdb commit 67d51cd74c8bbd20cae1da9f04f32ff887fc4f8c)
2007-04-27 14:49:44 +02:00
Ronnie Sahlberg
d4c54a93a0 add a new control : SETVNNMAP to set the generation id and also the vnn
map on a ctdbd daemon

(This used to be ctdb commit f55707885f7b233ad6ddfc952d08851577063200)
2007-04-27 22:08:12 +10:00
Ronnie Sahlberg
d9edf88ae5 add a control to read the vnnmap configuration from a node
add support in ctdb_control to fetch this information from a node

(This used to be ctdb commit 8d7f26c8d78d30c3ccb15a28ddea940d8666e052)
2007-04-27 20:56:10 +10:00
Ronnie Sahlberg
ec3856ead9 add a mapping table from a hash value to a lmaster vnn number
update ctdb_lmaster() return the lmaster based on this tables contents


initialize the vnn table based on number of nodes for now.
later when recovery is implemented the recovery process will populate 
this mapping table.

(This used to be ctdb commit 71e440f6c26ea074f9887237c962101c8cef8c80)
2007-04-27 18:43:52 +10:00
Andrew Tridgell
7d3ab0f5fb null terminate a string
(This used to be ctdb commit a7408802c7bff235bd917d06f98e00e309d2d5ca)
2007-04-26 23:29:26 +02:00