Category Archives: ganeti

Migrating from ganeti to OpenStack via Ceph

On ganeti, shutdown the instance and activate its disks: z2-8:~# gnt-instance shutdown nerrant Waiting for job 1089813 for nerrant… z2-8:~# gnt-instance activate-disks nerrant z2-8.host.gnt:disk/0:/dev/drbd10 On an OpenStack Havana installation using a Ceph cinder backend, create a volume with the same … Continue reading

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Migrating ganeti virtual machines to OpenStack (part 2 / 2)

A ganeti cluster hosts GNU/Linux based fully virtualized virtual machines, booting from a disk image with a boot loader and a partition table. The case of para-virtualized virtual machines has been covered in a previous post. An OpenStack LVM volume … Continue reading

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Migrating ganeti virtual machines to OpenStack (part 1 / 2)

A ganeti cluster hosts GNU/Linux based para-virtualized virtual machines. The disk is extracted with kpartx(8) and uploaded to the glance OpenStack image service with glance add … disk_format=ami…. It is associated with a kernel image compatible with both OpenStack and … Continue reading

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osm.fsffrance.org migration

The osm.fsffrance.org was migrated to the tetaneutral datacenter. It was reconfigured to benefit from a 250GB SSD. The IPv4 assigned to it goes from OVH to tetaneutral (and back) using an IPv6 tunnel.

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installing yet another host for FSF France

Instead of following the howto or resurect from backup, the z2-1 host of the FSF France ganeti cluster was recreated from scratch.

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adding a new host to the FSF cluster

Instead of following the howto or resurect from backup, the z2-5 host of the FSF France ganeti cluster was recreated from scratch.

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dynamic balloon for ganeti

A draft implementation supporting persistent and dynamic modification of the KVM instance memory ( ballooning ) was submitted for comment to the ganeti mailing list.

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add support for kvm balloon in ganeti

A patch against the devel-4.2 branch of ganeti was implemented to support the balloon memory driver KVM.

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