[Gluster-users] Volume creation fails with "prefix of it is already part of a volume"

Wed Aug 28 04:47:08 UTC 2013

What about getxattr -d -m . -e hex /mnt/brick1 and brick2?

Avati

On Tue, Aug 27, 2013 at 2:09 AM, Stroppa Daniele (strp) <strp at zhaw.ch>wrote:

>  Hi Anand,
>
>  See output below. gluster-node4 is where I execute the create volume
> command.
>
>  On gluster-node1:
>  > getfattr -d -e hex -m . /mnt
> getfattr: Removing leading '/' from absolute path names
> # file: mnt
> security.selinux=0x73797374656d5f753a6f626a6563745f723a6d6e745f743a733000
>
>  > getfattr -d -e hex -m . /mnt/brick1
> > getfattr -d -e hex -m . /mnt/brick1/vol_icclab
> > getfattr -d -e hex -m . /mnt/brick2
> > getfattr -d -e hex -m . /mnt/brick2/vol_icclab
>
>  On gluster-node4:
>  > getfattr -d -e hex -m . /mnt
> getfattr: Removing leading '/' from absolute path names
> # file: mnt
> security.selinux=0x73797374656d5f753a6f626a6563745f723a6d6e745f743a733000
>
>  > getfattr -d -e hex -m . /mnt/brick1
> > getfattr -d -e hex -m . /mnt/brick1/vol_icclab/
> getfattr: Removing leading '/' from absolute path names
> # file: mnt/brick1/vol_icclab/
> trusted.glusterfs.volume-id=0xa2b943d2271a464da2ae7e29ede15552
>
>  > getfattr -d -e hex -m . /mnt/brick2
> > getfattr -d -e hex -m . /mnt/brick2/vol_icclab/
> getfattr: Removing leading '/' from absolute path names
> # file: mnt/brick2/vol_icclab/
> trusted.glusterfs.volume-id=0xa2b943d2271a464da2ae7e29ede15552
>
>  Cheers,
>   --
> Daniele Stroppa
> Researcher
> Institute of Information Technology
> Zürich University of Applied Sciences
> http://www.cloudcomp.ch
>
>
>   From: Anand Avati <anand.avati at gmail.com>
> Date: Fri, 23 Aug 2013 11:02:20 -0700
> To: Daniele Stroppa <strp at zhaw.ch>
> Cc: Vijay Bellur <vbellur at redhat.com>, "gluster-users at gluster.org" <
> gluster-users at gluster.org>
> Subject: Re: [Gluster-users] Volume creation fails with "prefix of it is
> already part of a volume"
>
>  Please provide the output of the following commands on the respective
> nodes:
>
>  on gluster-node1 and gluster-node4:
>
>  getfattr -d -e hex -m . /mnt
> getfattr -d -e hex -m . /mnt/brick1
> getfattr -d -e hex -m . /mnt/brick1/vol_icclab
> getfattr -d -e hex -m . /mnt/brick2
> getfattr -d -e hex -m . /mnt/brick2/vol_icclab
>
>  Thanks,
> Avati
>
>
>
> On Wed, Aug 21, 2013 at 11:59 PM, Stroppa Daniele (strp) <strp at zhaw.ch>wrote:
>
>> Hi Vijay,
>>
>> I did saw the link you posted, but as mentioned earlier I get this error
>> when creating the volume for the first time, not when I try to remove and
>> then re-add a brick to a volume.
>>
>> Thanks,
>> --
>> Daniele Stroppa
>> Researcher
>> Institute of Information Technology
>> Zürich University of Applied Sciences
>> http://www.cloudcomp.ch <http://www.cloudcomp.ch/>
>>
>>
>>
>>
>>
>>
>>
>>  On 22/08/2013 08:19, "Vijay Bellur" <vbellur at redhat.com> wrote:
>>
>> >On 08/21/2013 08:21 PM, Stroppa Daniele (strp) wrote:
>> >> Thanks Daniel.
>> >>
>> >> I'm indeed running Gluster 3.4 on CentOS 6.4.
>> >>
>> >> I've tried your suggestion, it does work for me too, but it's not an
>> >> optimal solution.
>> >>
>> >> Maybe someone could shed some light on this behaviour?
>> >
>> >This might be of help in understanding the behavior:
>> >
>> >
>> http://joejulian.name/blog/glusterfs-path-or-a-prefix-of-it-is-already-par
>> >t-of-a-volume/
>> >
>> >Please do let us know if you need more clarity on this.
>> >
>> >-Vijay
>> >>
>> >> Thanks,
>> >> --
>> >> Daniele Stroppa
>> >> Researcher
>> >> Institute of Information Technology
>> >> Zürich University of Applied Sciences
>> >> http://www.cloudcomp.ch <http://www.cloudcomp.ch/>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >>
>> >> On 21/08/2013 09:00, "Daniel Müller" <mueller at tropenklinik.de> wrote:
>> >>
>> >>> Are you running with gluster 3.4?
>> >>> I had the same issue. I solved it by deleting my subfolders again and
>> >>>then
>> >>> create new ones. In your case brick1 and brick2.
>> >>> Then create new subfolders in the place,ex.: mkdir /mnt/bricknew1  and
>> >>> /mnt/bricknew2 .
>> >>> This solved the problem for me, not knowing why gluster 3.4 behave
>> like
>> >>> this.
>> >>> Good Luck
>> >>>
>> >>>
>> >>> EDV Daniel Müller
>> >>>
>> >>> Leitung EDV
>> >>> Tropenklinik Paul-Lechler-Krankenhaus
>> >>> Paul-Lechler-Str. 24
>> >>> 72076 Tübingen
>> >>> Tel.: 07071/206-463, Fax: 07071/206-499
>> >>> eMail: mueller at tropenklinik.de
>> >>> Internet: www.tropenklinik.de
>> >>>
>> >>> Von: gluster-users-bounces at gluster.org
>> >>> [mailto:gluster-users-bounces at gluster.org] Im Auftrag von Stroppa
>> >>>Daniele
>> >>> (strp)
>> >>> Gesendet: Dienstag, 20. August 2013 21:51
>> >>> An: gluster-users at gluster.org
>> >>> Betreff: [Gluster-users] Volume creation fails with "prefix of it is
>> >>> already
>> >>> part of a volume"
>> >>>
>> >>> Hi All,
>> >>>
>> >>> I'm setting up a small test cluster: 2 nodes (gluster-node1 and
>> >>> gluster-node4) with 2 bricks each (/mnt/brick1 and /mnt/brick2) and
>> one
>> >>> volume (vol_icclab). When I issue the create volume command I get the
>> >>> following error:
>> >>>
>> >>> # gluster volume create vol_icclab replica 2 transport tcp
>> >>> gluster-node4.test:/mnt/brick1/vol_icclab
>> >>> gluster-node1.test:/mnt/brick1/vol_icclab
>> >>> gluster-node4.test:/mnt/brick2/vol_icclab
>> >>> gluster-node1.test:/mnt/brick2/vol_icclab
>> >>> volume create: vol_icclab: failed: /mnt/brick1/vol_icclab or a prefix
>> >>>of
>> >>> it
>> >>> is already part of a volume
>> >>>
>> >>> I checked and found this [1], but in my case the issue it's happening
>> >>>when
>> >>> creating the volume for the first time, not after removing/adding a
>> >>>brick
>> >>> to
>> >>> a volume.
>> >>>
>> >>> Any suggestions?
>> >>>
>> >>> [1]
>> >>>
>> >>>
>> http://joejulian.name/blog/glusterfs-path-or-a-prefix-of-it-is-already-p
>> >>> art-of-a-volume/
>> >>>
>> >>> Thanks,
>> >>> --
>> >>> Daniele Stroppa
>> >>> Researcher
>> >>> Institute of Information Technology
>> >>> Zürich University of Applied Sciences
>> >>> http://www.cloudcomp.ch
>> >>>
>> >>>
>> >>
>> >> _______________________________________________
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>> >> Gluster-users at gluster.org
>> >> http://supercolony.gluster.org/mailman/listinfo/gluster-users
>> >>
>> >
>>
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>
>
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