[Openstack] Cinder and NFS: permission denied when creating a volume

Francesc Pinyol Margalef francesc.pinyol.m at gmail.com
Mon Aug 3 09:22:46 UTC 2015

I've configured an NFS server in another node (compute node), under CentOS,
with these
two configurations in /etc/exports:

a) /var/toto/,sync,no_root_squash,no_all_squash)
Everything is fine. Cinder can create a new volume:
[root at storage-node cinder]# ls -l
total 0
-rw-rw-rw-. 1 root   root   1073741824 Aug  3 10:52

b) /var/toto/,sync,root_squash,no_all_squash)
Cinder cannot create a new volume: I get a "Permission denied" error, like
accessing Fujitsu Eternus DX.

The conclusion is that Fujitsu Eternus DX behaviour is "root_squash", which
Cinder for working.
System administrator told me that squash cannot be configured in Fujitsu
Eternus DX.

Can Cinder be modified in order to allow creating files as cinder.cinder
instead of


2015-08-01 1:16 GMT+02:00 italy1 <remo at italy1.com>:

> Can you create a new nfs on your Linux box test it that way then you know
> where the error is.
> Inviato da IPhones

Francesc Pinyol Margalef
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