openstack team mailing list archive

[Andrew Holway <a.holway@xxxxxxxxxxxx>]

Ah shame. You can specify different storage domains in oVirt.

On Dec 20, 2012, at 4:16 PM, David Busby wrote:

> Hi Andrew,
> 
> An interesting idea, but I am unaware if nova supports storage affinity in any way, it does support host affinity iirc, as a kludge you could have say some nova compute nodes using your "slow mount" and reserve the "fast mount" nodes as required, perhaps even defining separate zones for deployment?
> 
> Cheers
> 
> David
> 
> 
> 
> 
> 
> On Thu, Dec 20, 2012 at 2:53 PM, Andrew Holway <a.holway@xxxxxxxxxxxx> wrote:
> Hi David,
> 
> It is for nova.
> 
> Im not sure I understand. I want to be able to say to openstack; "openstack, please install this instance (A) on this mountpoint and please install this instance (B) on this other mountpoint." I am planning on having two NFS / Gluster based stores, a fast one and a slow one.
> 
> I probably will not want to say please every time :)
> 
> Thanks,
> 
> Andrew
> 
> On Dec 20, 2012, at 3:42 PM, David Busby wrote:
> 
> > Hi Andrew,
> >
> > Is this for glance or nova ?
> >
> > For nova change:
> >
> > state_path = /var/lib/nova
> > lock_path = /var/lib/nova/tmp
> >
> > in your nova.conf
> >
> > For glance I'm unsure, may be easier to just mount gluster right onto /var/lib/glance (similarly could do the same for /var/lib/nova).
> >
> > And just my £0.02 I've had no end of problems getting gluster to "play nice" on small POC clusters (3 - 5 nodes, I've tried nfs tried glusterfs, tried 2 replica N distribute setups with many a random glusterfs death), as such I have opted for using ceph.
> >
> > ceph's rados can also be used with cinder from the brief reading I've been doing into it.
> >
> >
> > Cheers
> >
> > David
> >
> >
> >
> >
> >
> > On Thu, Dec 20, 2012 at 1:53 PM, Andrew Holway <a.holway@xxxxxxxxxxxx> wrote:
> > Hi,
> >
> > If I have /nfs1mount and /nfs2mount or /nfs1mount and /glustermount can I control where openstack puts the disk files?
> >
> > Thanks,
> >
> > Andrew
> >
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> 
>