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Latest revisions

# Date Author Comment
ebacb943 04/09/2010 10:57 am Iustin Pop

Make watcher request the max coverage

Since the actions are potentially destructive, we should try to get a
consistent view of the cluster, so it's better to get the most coverage
possible.

Signed-off-by: Iustin Pop <>
Reviewed-by: Guido Trotter <>
cc6484c4 04/09/2010 10:57 am Iustin Pop

ConfdClient.SendRequest: allow max coverage

This patch changes the coverage parameter to allow specification of max
coverage (via -1), versus auto-computation (default, 0) and manual
specification.

Unittests are updated for this case too.

Signed-off-by: Iustin Pop <>...
6328fea3 04/08/2010 06:50 pm Iustin Pop

Document the watcher node maintenance feature

The patch changes significantly the watcher man page, as it was very
simplistic.

Signed-off-by: Iustin Pop <>
Reviewed-by: Guido Trotter <>
50273051 04/08/2010 06:50 pm Iustin Pop

Watcher: automatic shutdown of orphan resources

This patch changes the watcher so that it maintains (on all nodes) the
list of instances and DRBD devices by shutting down ones that confd
daemons indicate should not be running on this node.

Signed-off-by: Iustin Pop <>...
5c465a95 04/08/2010 06:50 pm Iustin Pop

Export the maintain_node_health option in ssconf

Signed-off-by: Iustin Pop <>
Reviewed-by: Guido Trotter <>
3953242f 04/08/2010 06:50 pm Iustin Pop

Add a new cluster parameter maintain_node_health

This will be used to conditionally enable the watcher node maintenance
feature.

Signed-off-by: Iustin Pop <>
Reviewed-by: Guido Trotter <>
aa2efc52 04/08/2010 06:50 pm Iustin Pop

Add a new confd callback (StoreResultCallback)

This new callback simply stores (without calling any lower-level
callback) the last result; coupled with the filtering callback, this
ensures that it has the 'best' response after all have been received.

The result can then be retrieved via the GetResponse method....
bfbbc223 04/08/2010 06:50 pm Iustin Pop

ConfdClient: add synchronous wait for replies mode

Currently, there is no way for a user of the confd client library to
know how many replies there should be, whether all have been received,
etc. This is bad since we can't reliably detect the consistency of the...
71e114da 04/08/2010 06:50 pm Iustin Pop

ConfdClient: unify some internal variables

Currently the requests are tracked in _request and in _expire_requests.
This is conventient, but it restricts the ability to extend the request
tracking, e.g. via packet stats and/or extension of expiration time....
39292d3a 04/07/2010 04:57 pm Iustin Pop

Fix consistency checks in ConfdFilterCallback

Commit 49b3fda added consistency checks, but these are wrongly triggered
for old responses - we need to make sure to check that we have the same
serial.

Signed-off-by: Iustin Pop <>
Reviewed-by: Michael Hanselmann <>

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