Hi Everyone: I am trying to create a volume using the vol-create-as command but it fails with an “Operation not permitted” error. It appears to be caused by an attempt to run chown on an NFS mounted file system but I have set dynamic_ownership to 0 in /etc/qemu.conf. Is it possible to disable the chown operation? If not, is there a guide that describes how to create storage pools on NFS filers? I have read http://libvirt.org/storage.html but there was no discussion of to work around this problem. Any help would be greatly appreciated. Here is the command and error message: $ virsh vol-create-as default webtst 10G error: Failed to create vol webtst error: cannot create path '/var/lib/libvirt/images/webtst': Operation not permitted The /var/lib/libvirt/images is linked to a common filer: /shared/vm/images. The permissions on the directory are 0777. When I looked at tail /var/log/libvirt/libvirtd.log it showed that the problem was occurring because a chown command: 2012-11-05 02:55:44.841+0000: 26384: info : libvirt version: 0.9.10, package: 21.el6_3.5 (CentOS BuildSystem <http://bugs.centos.org>, 2012-10-11-13:57:12, c6b9.bsys.dev.centos.org) 2012-11-05 02:55:44.841+0000: 26384: error : virFileOpenForceOwnerMode:796 : cannot chown '/var/lib/libvirt/images/webtst' to (0, 0): Operation not permitted 2012-11-05 02:55:44.841+0000: 26384: error : virStorageBackendCreateRaw:401 : cannot create path '/var/lib/libvirt/images/webtst': Operation not permitted Regards, Joe |
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