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root / src / Ganeti / HTools @ a12b230c

Name Size
  Backend
  Program
CLI.hs 24.1 kB
Cluster.hs 69.8 kB
Container.hs 2.4 kB
ExtLoader.hs 4.6 kB
Graph.hs 7.8 kB
Group.hs 3 kB
Instance.hs 13.1 kB
Loader.hs 13.2 kB
Nic.hs 2.8 kB
Node.hs 28.7 kB
PeerMap.hs 2.9 kB
Types.hs 15.1 kB

Latest revisions

# Date Author Comment
a12b230c 07/01/2013 10:53 am Klaus Aehlig

hroller: option --full-evacuation

Add an option to hroller, to plan for full evacuation of the
nodes to be rebooted, i.e., also plan for replacement secondary
nodes for all instances on the node after migrating out instances
with this node as primary.

Signed-off-by: Klaus Aehlig <>...

fdbdeaa3 07/01/2013 10:53 am Klaus Aehlig

Extract a partition functional

Separate the partitionNonRedundant function in hroller into a
general functional that partitions a list of nodes according
to some clearing strategy and the specialization of moving
non-redundant instances out. In this way, we don't have to...

a947a583 07/01/2013 10:53 am Klaus Aehlig

Extract functional for greedily clearing nodes

The method clearNodes in hroller greedily clears nodes of
non-redundant instances by moving them to a different node. This patch
separates the greedy clearing algorithm from the specialization to
non-redundant instances; in this way, we don't have to duplicate code...

634a1460 07/01/2013 10:52 am Klaus Aehlig

Make hroller not consider offline nodes for evacuation

When planing on where to evacuate the non-redundant instances
of the nodes to be rebooted, it doesn't make sense to consider
offline nodes. So add this restriction to hroller.

Signed-off-by: Klaus Aehlig <>...

a8cbe1d7 07/01/2013 10:52 am Klaus Aehlig

Update comments in hroller code

hroller schedules moves of instances to have rebooted nodes
free of instances with this node as primary. Update the comments
to reflect that this move planning is for non-redundant instances
only.

Signed-off-by: Klaus Aehlig <>...

34ad1d7c 07/01/2013 10:52 am Klaus Aehlig

Remove obsolete TODO

Originally, hroller started as a tool for offline maintenance only.
There it made sense to warn about instances still running. By now,
default planning is to migrate instance off the nodes to be rebooted,
with options for other behavior (like pretending that all instances...

da4a52a3 06/20/2013 05:04 pm Thomas Thrainer

Index instances by their UUID

No longer index instances by their name but by their UUID in the cluster
config. This change changes large parts of the code, as the following
adjustments were necessary: * Change the index key to UUID in the configuration and the...

0cac64ac 06/20/2013 02:46 pm Klaus Aehlig

Merge branch 'stable-2.8' into master

  • stable-2.8
    In tiered allocation, cut non-promising shrinking tries
    Add confd user to masterd group

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Thomas Thrainer <>

f9e7e331 06/20/2013 08:12 am Klaus Aehlig

In tiered allocation, cut non-promising shrinking tries

The heuristics for tiered allocation has been improved in that it
chooses to shrink such a resource next where by shrinking only this
resource a valid allocation can be made, if such a resource exists....

f5c4553b 06/18/2013 06:24 pm Michele Tartara

Merge branch 'stable-2.8' into 'master'

  • stable-2.8
    Version bump to 2.8.0~alpha1
    Make cfgupgrade idempotent
    Update config version number when downgrading
    Add test for shrink heuristics over different resources
    Improve hspace shrinking strategy...

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