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a bool that specifies whether the ip was held by a loopback adaptor or
not
the name of the interface where the ip was held
when we release an ip address from an interface, move the ip address
over to the loopback interface
when we release an ip address after we have move it onto loopback,
use 60.nfs to kill off the server side (the local part) of the tcp
connection so that the tcp connections dont survive a
failover/failback
61.nfstickle, since we kill hte tcp connections when we release an ip
address we no longer need to restart the nfs service in 61.nfstickle
update ctdb_takeover to use the new signature for ctdb_sys_have_ip
when we add a tcp connection to kill in ctdb_killtcp_add_connection()
check if either the srouce or destination address match a known public
address
(This used to be ctdb commit f9fd2a4719c50f6b8e01d0a1b3a74b76b52ecaf3)
files
so that we can partition the cluster into different subsets of nodes
which each serve a different subset of the public addresses
(This used to be ctdb commit 889e0fe69e4c88c6166282b12843b8d9727552d6)
everytime we release an ip.
this context is used to hold all resources needed when sending out
gratious arps and tcp tickles during ip takeover.
we hang it off the vnn structure that manages that particular ip address
instead so that we can have multiple ones going in parallell
this bug (or the same bug in different shape) has probably been in ctdb
for very very long but is likely to be hard to trigger
(This used to be ctdb commit c58db1cadaba253b2659573673b28c235ef7db76)
multiple public addresses spread across multiple interfaces on each
node.
this is a massive patch since we have previously made the assumtion that
we only have one public address per node.
get rid of the public_interface argument. the public addresses file
now explicitely lists which interface the address belongs to
(This used to be ctdb commit 462ebbc791e906a6b874c862defea43235597ca8)
controls to register/unregister/check a server id.
a server id consists of TYPE:VNN:ID where type is specific to the
application. VNN is the node where the serverid was registered and ID
might be a node unique identifier such as a pid or similar.
Clients can register a server id for themself at the local ctdb daemon.
When a client dissappears or when the domain socket connection for the
client drops then any and all server ids registered across that domain
socket will also be automatically removed from the store.
clients can register as many server_ids as they want at the same time
but each TYPE:VNN:ID must be globally unique.
Clients have the option of explicitely unregister a server id by using
the UNREGISTER control.
Registration and unregistration can only be done by clients to the local
daemon. clients can not register their server id to a remote node.
clients can check if a server id does exist on any ctdb node in the
network by using the check control
(This used to be ctdb commit d44798feec26147c5cc05922cb2186f0ef0307be)
passing it as a parameter we set the callback function explicitely from
the caller if the ..._send() function returned a valid state pointer.
(This used to be ctdb commit aa939570662786455f63299b62c99882cff29d42)
callback function which is called upon completion (or timeout) of the
control.
modify scanning of recmaster in the monitoring_cluster code to try the
api out
(This used to be ctdb commit c37843f1d97b169afec910e7ddb4e5ac12c3015c)
struct so that if we timeout a control we can print debug info such as
what opcode failed and to which node
we dont need the *status parameter to ctdb_client_control_state
create async versions of the getrecmaster control
pass a memory context to getrecmaster
(This used to be ctdb commit 558b680c82f830fba82c283c78c2de8a0b150b75)
places.
create a new helper function to generate new generation id values that
know about the invalid id and avoids generating it.
update the ctdb status tool to know about the invalid generation id and
print the string INVALID instead
(This used to be ctdb commit 4fbcd189543cb8a92227fdcd3d158472e558ccda)
see both the old flags as well as the new flags (so we can tell which
flags changed)
send the CTDB_SRVID_RECONFIGURE messages to connected nodes only, not to
every node, connected or not, in the cluster.
in the handler inside the recovery daemon which is invoked for node flag
change messages, only do a takeover_run() and redistribute the ip addresses IF it was the
disabled or the unhealthy flags that changed. Also send out the cluster
reconfigured message in this case.
If any of the other flags changed we dont need to do the takeover_run(0
here since that will be done during recovery.
(This used to be ctdb commit 5549b2058e2c148a8ca9d419123acf3247bb8829)
specific script /etc/ctdb/events.d/00.ctdb
get rid of CTDB_EVENTS_SCRIPT and --event-script
(This used to be ctdb commit 81ccfaf838e5772d4a58eb6a70224b7b39aba9f3)
instead for from /etc/ctdb/events so that we can get better debugging
output in the logs when something fails in the scripts
(This used to be ctdb commit 4ed96b768aea1611e8002f7095d3c4d12ccf77a3)
there is an array for each node/public address that contains tcp tickles
we send a TCP_ADD as a broadcast to all nodes when a client is added
if tcp tickles are removed, they are only removed immediately from the
local node.
once every 20 seconds a node will push/broadcast out the tickle list for
all public addresses it manages. this will remove any deleted tickles
from the remote nodes
(This used to be ctdb commit e3c432a915222e1392d91835bc7a73a96ab61ac9)
ip/node
once we have started sending all tickles for a specific ip delete the
entire array so that the tickles dont remain forever in the ctdb
server
add a control to send the full list of every tickle that is registered
for a particular public ip/node
(This used to be ctdb commit d0eee33e44d3f8e26debbec21d41e2cbdbb520e6)
specific routines populate it as it see fit when creating a
capture socket.
pass this structure to read_tcp and close capture socket as parameter
(This used to be ctdb commit 79bbfcfb2223889126fe307d5bbfd24917da07ee)
let the caller create the sending socket and use a single socket instead
of one new one for each tickle.
pass a sending socket to ctdb_sys_send_tcp()
ctdb_sys_kill_tcp is not longer used so remove it
set the socketflags for close on exec and nonblocking in the helper that
creates the sockets instead of in the caller
add a helper to create a sending socket to send tickles from
(This used to be ctdb commit 469f3fb238a0674a2b48fdf1a7e657e32428178a)
we might want to have two sockets attached to the killtcp structure
one for capturing and a second one for sending so we dont have to
create a new socket for each tickle we want to send
(This used to be ctdb commit b3e82ec38047bbec1edfd88ade264077d4cbd2ee)
- split out the event script code into a separate module
- get rid of the separate takeover directory
(This used to be ctdb commit 8ea2c923a3e2464200ff79bf2c3f1f89e6a93ad4)
to make it possible to provide which seq/ack numbers to use and also
whether the RST flag should be set.
update all callers to the new signature
(This used to be ctdb commit b694d7d4a6f3865a18bea8f484ba690e4ae7546c)
- added DatabaseHashSize tunable
- added logging of events inside recovery (for timing)
(This used to be ctdb commit 3593cdb928b91e217faf1b3c537fa28dc82cdace)
