[Openstack-operators] Storage backend for glance
joe at topjian.net
Wed Jan 27 15:02:09 UTC 2016
Yup, it's definitely possible. All Glance nodes will need to share the same
database as well as the same file system. Common ways of sharing the file
system are to mount /var/lib/glance/images either from NFS (like you
mentioned) or Gluster.
I've done both in the past with no issues. The usual caveats with shared
file systems apply: file permissions, ownership, and such. Other than that,
you shouldn't have any problems.
Hope that helps,
On Wed, Jan 27, 2016 at 3:23 PM, Sławek Kapłoński <slawek at kaplonski.pl>
> I want to install Openstack with at least two glance nodes (to have HA)
> but with local filesystem as glance storage. Is it possible to use
> something like that in setup with two glance nodes? Maybe someone of You
> already have something like that?
> I'm asking because AFAIK is image will be stored on one glance server
> and nova-compute will ask other glance host to download image then image
> will not be available to download and instance will be in ERROR state.
> So maybe someone used it somehow in similar setup (maybe some NFS or
> something like that?). What are You experience with it?
> Best regards / Pozdrawiam
> Sławek Kapłoński
> slawek at kaplonski.pl
> OpenStack-operators mailing list
> OpenStack-operators at lists.openstack.org
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