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Latest revisions

# Date Author Comment
fb460cf7 09/30/2011 02:05 pm Andrea Spadaccini

Split starting and stopping master IP and daemons

lib/backend.py
  • split StartMaster() in ActivateMasterIp() and StartMasterDaemons()
  • split StopMaster() in DeactivateMasterIp() and StopMasterDaemons()
lib/server/noded.py, lib/rpc.py
  • adapt the call chains to the new functions, define new RPCs...
60af751d 09/29/2011 12:41 pm Andrea Spadaccini

Adapt non-KVM hypervisors to new migration RPCs

Signed-off-by: Andrea Spadaccini <>
Reviewed-by: Michael Hanselmann <>
61643226 09/29/2011 12:41 pm Andrea Spadaccini

Add memory transfer progress info to migration

  • hypervisor/hv_kvm.py
    - parse the memory transfer status
  • cmdlib.py
    - represent memory transfer info, if available

Signed-off-by: Andrea Spadaccini <>
Reviewed-by: Michael Hanselmann <>
6a1434d7 09/29/2011 12:41 pm Andrea Spadaccini

Make migration RPC non-blocking

To add status reporting for the KVM migration, the instance_migrate RPC
must be non-blocking. Moreover, there must be a way to represent the
migration status and a way to fetch it.

  • constants.py:
    - add constants representing the migration statuses...
f8326fca 09/29/2011 12:41 pm Andrea Spadaccini

Move _TimeoutExpired to utils

Signed-off-by: Andrea Spadaccini <>
Reviewed-by: Michael Hanselmann <>
b8a2c0ab 09/29/2011 10:16 am Iustin Pop

Add an allocation limit to hspace

This is very useful for testing/benchmarking.

Signed-off-by: Iustin Pop <>
Reviewed-by: Agata Murawska <>
1bf6d813 09/29/2011 10:16 am Iustin Pop

Small simplification in tryAlloc

Signed-off-by: Iustin Pop <>
Reviewed-by: Agata Murawska <>
b0631f10 09/29/2011 10:16 am Iustin Pop

Change how node pairs are generated/used

Currently, the node pairs used for allocation are a simple [(primary,
secondary)] list of tuples, as this is how they were used before the
previous patch. However, for that patch, we use them separately per
primary node, and we have to unpack this list right after generation....
f828f4aa 09/29/2011 10:15 am Iustin Pop

Parallelise instance allocation/capacity computation

This patch finally enables parallelisation in instance placement.

My original try for enabling this didn't work well, but it took a
while (and liberal use of threadscope) to understand why. The attempt...
d7339c99 09/29/2011 10:15 am Iustin Pop

Abstract comparison of AllocElements

This is moved outside of the concatAllocs as it will be needed in
another place in the future.

Signed-off-by: Iustin Pop <>
Reviewed-by: Agata Murawska <>

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