Open Stack

Hi,

We have an environment with glance and cinder using NFS.
It's important that they have the correct rights. The shares should be owned by nova on compute if mounted up on /var/lib/nova/instances
And the same for nova and glance on the controller..

It's important that you map the glance and nova up in fstab.

The cinder one is controlled by the nfsdriver.

We are running rhelosp6, Openstack Juno.

This parameter is used:
nfs_shares_config=/etc/cinder/shares-nfs.conf in the /etc/cinder/cinder.conf file and then we have specified the share in /etc/cinder/shares-nfs.conf.

chmod 0640 /etc/cinder/shares-nfs.conf

setsebool -P virt_use_nfs on
This one is important to make it work with SELinux

How up to date this is actually I don't know tbh, but it was up to date as of redhat documentation when we deployed it around 1.5y ago.

//Tobias

-----Ursprungligt meddelande-----
Från: Curtis [mailto:serverascode at gmail.com] 
Skickat: den 12 oktober 2016 19:21
Till: openstack-operators at lists.openstack.org
Ämne: [Openstack-operators] glance, nova backed by NFS

Hi All,

I've never used NFS with OpenStack before. But I am now with a small lab deployment with a few compute nodes.

Is there anything special I should do with NFS and glance and nova? I remember there was an issue way back when of images being deleted b/c certain components weren't aware they are on NFS. I'm guessing that has changed but just wanted to check if there is anything specific I should be doing configuration-wise.

I can't seem to find many examples of NFS usage...so feel free to point me to any documentation, blog posts, etc. I may have just missed it.

Thanks,
Curtis.

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