[CentOS] mkswap - unable to relabel, operation not supported

Thu Mar 10 22:29:23 UTC 2011
Daniel J Walsh <dwalsh at redhat.com>

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On 03/10/2011 04:37 PM, neubyr wrote:
> On Thu, Mar 10, 2011 at 3:24 PM, Daniel J Walsh <dwalsh at redhat.com> wrote:
> On 03/10/2011 04:02 PM, neubyr wrote:
>>>> Hi,
>>>>
>>>> I am getting following error on creating a swap fs. CentOS 5.5
>>>> {{{
>>>> mkswap: unable to relabel /srv/cloud/one/var/25/images/disk.1 to
>>>> system_u:object_r:swapfile_t: Operation not supported
>>>> }}}
>>>>
>>>> The selinux is configured in permissive mode. Any clues on what might
>>>> be wrong here and how to fix it?
>>>>
>>>> {{{
>>>> # /bin/dd if=/dev/zero of=/srv/cloud/one/var/25/images/disk.1 bs=1
>>>> count=1 seek=512M
>>>>
>>>> # sudo /sbin/mkswap /srv/cloud/one/var/25/images/disk.1
>>>> Setting up swapspace version 1, size = 536866 kB
>>>> mkswap: unable to relabel /srv/cloud/one/var/25/images/disk.1 to
>>>> system_u:object_r:swapfile_t: Operation not supported
>>>>
>>>> # file /srv/cloud/one/var/25/images/disk.1
>>>> /srv/cloud/one/var/25/images/disk.1: Linux/i386 swap file (new style)
>>>> 1 (4K pages) size 131071 pages
>>>> }}}
>>>>
>>>> --
>>>> thanks,
>>>> neuby.r
>>>> _______________________________________________
>>>> CentOS mailing list
>>>> CentOS at centos.org
>>>> http://lists.centos.org/mailman/listinfo/centos
> Are you doing this on an NFS partition?
>>

> Yup, the 'var' directory in path above is a nfs mount. Is there anyway
> I can enable this?

> Thanks,
> neuby.r

Not sure you want to swap on top of NFS.  Not sure why it is trying to
label.  You could try to specify the nfs label.

mkswap -l system_u:object_r:nfs_t:s0




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