[Openstack-operators] Migrate ephemeral nodes

Cynthia Lopes clsacramento at gmail.com
Fri Dec 4 16:55:30 UTC 2015


Hi,

Creating a new volume and doing 'dd' of the content works but you would
have to delete the instances and re launch them from the new volumes:

dd if=original_disk of=/dev/vg/new_lvm bs=1M

Kind regards,
Cynthia

2015-12-04 12:24 GMT+01:00 Davíð Örn Jóhannsson <davidoj at siminn.is>:

> Is it possible to migrate ephemeral volumes from their default location to
> an ephemeral LVM volume?
>
>
> The reason for this is that we just added additional storage to the
> servers and created a volume group that we want to use as a backend for
> ephemeral storage on the compute hosts and are searching for ways to move
> instances to that without having to delete and re-create instances
> currently using /var/lib/nova/instances as backend for epithermal storage.
>
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