[libvirt] [libvirt-users] Libvirtd running as root tries to access oneadmin (OpenNebula) NFS mount but throws: error: can’t canonicalize path
Martin Kletzander
mkletzan at redhat.com
Tue Apr 12 20:36:45 UTC 2016
On Tue, Apr 12, 2016 at 10:29:29PM +0200, Martin Kletzander wrote:
>On Tue, Apr 12, 2016 at 03:55:45PM -0400, TomK wrote:
>>On 4/12/2016 3:40 PM, Martin Kletzander wrote:
>>> [ I would be way easier to reply if you didn't top-post ]
>>>
>>> On Tue, Apr 12, 2016 at 12:07:50PM -0400, TomK wrote:
>>>> On 4/12/2016 11:45 AM, John Ferlan wrote:
>>>>> What got my attention was the error message "initializing FS storage
>>>>> file" with the "file:" prefix to the name and 9869:9869 as the uid:gid
>>>>> trying to access the file (I assume that's oneadmin:oneadmin on your
>>>>> system).
>>>>>
>>>
>>> I totally missed this. So the only thing that popped on my mind now was
>>> checking the whole path:
>>>
>>> ls -ld /var{,/lib{,/one{,/datastores{,/0{,/38{,/disk.1}}}}}}
>>>
>>> You can also run it as root and oneadmin, however after reading through
>>> all the info again, I don't think that'll help.
>>>
>>I top post by default in thunderbird and we have same setup at work with
>>M$ LookOut. Old habits are to blame I guess. I'll try to reply like
>>this instead. But yeah it's terrible for mailing lists to top post.
>>Here's the output and thanks again:
>>
>>[oneadmin at mdskvm-p01 ~]$ ls -ld
>>/var{,/lib{,/one{,/datastores{,/0{,/38{,/disk.1}}}}}}
>>drwxr-xr-x. 21 root root 4096 Apr 11 07:10 /var
>>drwxr-xr-x. 45 root root 4096 Apr 12 07:58 /var/lib
>>drwxr-x--- 12 oneadmin oneadmin 4096 Apr 12 15:50 /var/lib/one
>
>Look ^^, maybe for a quick workaround you could try doing:
>
> chmod o+rx /var/lib/one
>
Actually, o+x ought to be enough.
>Let me know if that does the trick (at least for now).
>
>>drwxrwxr-x 6 oneadmin oneadmin 46 Mar 31 02:44 /var/lib/one/datastores
>>drwxrwxr-x 6 oneadmin oneadmin 42 Apr 5 00:20
>>/var/lib/one/datastores/0
>>drwxrwxr-x 2 oneadmin oneadmin 68 Apr 5 00:20
>>/var/lib/one/datastores/0/38
>>-rw-r--r-- 1 oneadmin oneadmin 372736 Apr 5 00:20
>>/var/lib/one/datastores/0/38/disk.1
>>[oneadmin at mdskvm-p01 ~]$
>>
>>That's the default setting but I think I see what you're getting at that
>>permissions get inherited?
>>
>
>No, I just think you need eXecute on all parent directories. That
>shouldn't hinder your security and could help.
>
>>Cheers,
>>Tom K.
>>-------------------------------------------------------------------------------------
>>
>>
>>Living on earth is expensive, but it includes a free trip around the sun.
>>
>--
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>libvir-list at redhat.com
>https://www.redhat.com/mailman/listinfo/libvir-list
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