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root / src / Ganeti / HTools / Program @ 4fe04580

Name Size
Hail.hs 2.9 kB
Harep.hs 18.8 kB
Hbal.hs 15 kB
Hcheck.hs 11.6 kB
Hinfo.hs 5.7 kB
Hroller.hs 6.2 kB
Hscan.hs 5 kB
Hspace.hs 17.9 kB
Main.hs 4.3 kB

Latest revisions

# Date Author Comment
8d38fb72 05/10/2013 01:55 pm Klaus Aehlig

Support online-maintenance in hroller

Make hroller take into account the nodes (redundant) instances
will be migrated to. This be behavior can be overridden by the
--offline-maintenance option which will make hroller plan under
the assumption that all instances will be shutdown before starting...

2207220d 05/10/2013 01:55 pm Klaus Aehlig

Add option --one-step-only to hroller

Add a new option to hroller to only output information about the first
reboot group. Together with the option --node-tags this allows for the
following work flow. First tag all nodes; then repeatedly compute the
first node group, handle these nodes and remove the tags. In between...

a39779f6 05/10/2013 01:54 pm Klaus Aehlig

Sort reboot groups by size

Make hroller output the node groups not containing the master node
sorted by size, largest group first. The master node still remains
the last node of the last reboot group. In this way, most progress
is made when switching back to normal cluster operations after the...

004398d0 05/07/2013 07:40 pm Klaus Aehlig

Fix lint errors (redundant bracket)

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Guido Trotter <>

313fdabc 05/07/2013 06:59 pm Klaus Aehlig

Add option to hroller to select nodes based on tags

Add option --node-tags to tell hroller to consider only nodes
with these tags. A use case would be a tag tracking on which
nodes the maintenance has not yet been carried out, e.g., if
rolling reboots are interleaved with other cluster operations....

442d5aae 05/07/2013 06:58 pm Klaus Aehlig

Make hroller filter the nodes before coloring the graph

Hroller used to first compute a coloring of the node graph and then
filter out the nodes that it had to work on. While the only filtering
was according to node groups this did not make a difference, as there...

53822ec4 04/29/2013 06:54 pm Bernardo Dal Seno

hspace: Handle multiple ipolicy specs

With tiered allocation, hspace uses all the max specs in turn as the
initial instance spec.

Signed-off-by: Bernardo Dal Seno <>
Reviewed-by: Helga Velroyen <>

41044e04 04/29/2013 06:53 pm Bernardo Dal Seno

Add multiple min/max specs in instance policy

Now instance policies can contain more than one min/max specs. This is the
main element of the "Constrained instance sizes" section in the
"Partitioned Ganeti" design doc.

This is a big patch, but changing the type of a configuration item requires...

7dbe4c72 04/19/2013 02:54 pm Klaus Aehlig

Make hroller insist on finding precisely one master node

As people rely on the master node being the last node of the last
group, make hroller fail, if no master node could be found in the
cluster. This happens, e.g., if a backend format is used that does not...

5b658b83 04/19/2013 02:54 pm Klaus Aehlig

Make Hroller present master node last

If in the list of nodes to be scheduled for maintaince,
one is marked as being the master node, schedule it
as the last node in the last group.

Signed-off-by: Klaus Aehlig <>
Reviewed-by: Guido Trotter <>

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