Re: [Gluster-users] Ownership changed to root

2012-08-28 Thread Anand Avati
Is it possible a gluster volume rebalance (or remove brick) was in progress
in the background? If so you might have hit
http://review.gluster.org/3861. If not, can you please file a bug with the
client logs (of all the machines where 'disk' file was possibly getting
modified?

Thanks,
Avati

On Fri, Aug 24, 2012 at 2:17 PM, Joe Topjian  wrote:

> Hello,
>
> I'm seeing a weird issue with OpenStack and Gluster.
>
> I have /var/lib/nova/instances mounted as a glusterfs volume. The owner of
> /var/lib/nova/instances is nova:nova.
>
> When I launch a vm and watch it launching, I see the following:
>
> root@c01:/var/lib/nova/instances/instance-0012# ls -l
> total 8
> -rw-rw 1 nova nova0 Aug 24 14:22 console.log
> -rw-rw-r-- 1 nova nova 1459 Aug 24 14:22 libvirt.xml
>
> This is correct.
>
> Then it changes ownership to libvirt-qemu:
>
> root@c01:/var/lib/nova/instances/instance-0012# ls -l
> total 22556
> -rw-rw 1 libvirt-qemu kvm 0 Aug 24 14:22 console.log
> -rw-r--r-- 1 libvirt-qemu kvm  27262976 Aug 24 14:22 disk
> -rw-rw-r-- 1 nova nova 1459 Aug 24 14:22 libvirt.xm
>
> Again, this is correct.
>
> But then it changes to root:
>
> root@c01:/var/lib/nova/instances/instance-0012# ls -l
> total 22556
> -rw-rw 1 root root0 Aug 24 14:22 console.log
> -rw-r--r-- 1 root root 27262976 Aug 24 14:22 disk
> -rw-rw-r-- 1 nova nova 1459 Aug 24 14:22 libvirt.xml
>
> OpenStack then errors out due to not being able to correctly access the
> files.
>
> If I remove the /var/lib/nova/instances mount and just use the normal
> filesystem, the root ownership part does not happen.
>
> I have successfully had Gluster working with OpenStack in this way on a
> different installation, so I'm not sure why I'm seeing this issue now.
>
> Any ideas?
>
> Thanks,
> Joe
>
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Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread Anand Avati
On Tue, Aug 28, 2012 at 4:06 AM, Amar Tumballi  wrote:

> Hi,
>
> Wanted to check if any one is using gluster CLI output of 'peer status' in
> their scripts/programs? If yes, let me know. If not, we are trying to make
> it more script friendly.
>
> For example the current output would look something like:
>
> -
> Hostname: 10.70.36.7
> Uuid: c7283ee7-0e8d-4cb8-8552-**a63ab05deaa7
> State: Peer in Cluster (Connected)
>
> Hostname: 10.70.36.6
> Uuid: 5a2fdeb3-e63e-4e56-aebe-**8b68a5abfcef
> State: Peer in Cluster (Connected)
>
> -
>
> New changes would make it look like :
>
> ---
> UUID  Hostname   Status
> c7283ee7-0e8d-4cb8-8552-**a63ab05deaa7  10.70.36.7 Connected
> 5a2fdeb3-e63e-4e56-aebe-**8b68a5abfcef  10.70.36.6 Connected
>
> ---
>
> If anyone has better format, or want more information, let us know now. I
> would keep timeout for this mail as 3 more working days, and without any
> response, we will go ahead with the change.
>
>
I suggest we retain the current output of 'gluster peer status' as-is and
implement the above proposed format in the output of 'gluster --mode=script
peer status' (perhaps make it even more script friendly?). Since
--mode=script is already a support cli switch it would be ideal to include
this change under that itself. Handling of --xml would be independent issue.

If there are suggestions to the desired output format of 'gluster
--mode=script peer status' from the users, it would be good to bring it up
now.

Avati
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Re: [Gluster-users] [Gluster-devel] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread Stephan von Krawczynski
Ok, maybe I didn't explain the true nature in detail:
The number of fields and the formatting is all the same. nobody wants to read
the output. Instead it is read by scripts most of the time. so the only valid
question is the field delimiter, simply to make the output parseable as easy
as possible for some scripts. There is no human in front of a terminal who
really likes to read this output all day long. Does that make the point clear?



On Tue, 28 Aug 2012 09:57:13 -0400 (EDT)
Pranith Kumar Karampuri  wrote:

> No. Output formats in that way generally start out nice but as you start 
> adding more fields, formatting them becomes difficult IMO.
> 
> Pranith
> - Original Message -
> From: "Stephan von Krawczynski" 
> To: "Pranith Kumar Karampuri" 
> Cc: "gluster-users" , "Gluster Devel" 
> 
> Sent: Tuesday, August 28, 2012 7:01:57 PM
> Subject: Re: [Gluster-devel] [Gluster-users] FeedBack Requested : Changes to 
> CLI output of 'peer status'
> 
> Top posting and kidding is a bit exaggerated for one posting ...
> 
> You are not seriously talking about 80 char terminals for an output that is
> commonly used by scripts and stuff like nagios, are you?
> 
> 
> On Tue, 28 Aug 2012 08:46:22 -0400 (EDT)
> Pranith Kumar Karampuri  wrote:
> 
> > hi Amar,
> >  This is the format we considered initially but we did not go with this 
> > because it may exceed 80 chars and wrap over for small terminals if we want 
> > to add more fields in future.
> > 
> > Pranith.
> > - Original Message -
> > From: "Amar Tumballi" 
> > To: "Gluster Devel" , "gluster-users" 
> > 
> > Sent: Tuesday, August 28, 2012 4:36:07 PM
> > Subject: [Gluster-users] FeedBack Requested : Changes to CLI output of 
> > 'peerstatus'
> > 
> > Hi,
> > 
> > Wanted to check if any one is using gluster CLI output of 'peer status' 
> > in their scripts/programs? If yes, let me know. If not, we are trying to 
> > make it more script friendly.
> > 
> > For example the current output would look something like:
> > 
> > -
> > Hostname: 10.70.36.7
> > Uuid: c7283ee7-0e8d-4cb8-8552-a63ab05deaa7
> > State: Peer in Cluster (Connected)
> > 
> > Hostname: 10.70.36.6
> > Uuid: 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef
> > State: Peer in Cluster (Connected)
> > 
> > -
> > 
> > New changes would make it look like :
> > 
> > ---
> > UUID  Hostname   Status
> > c7283ee7-0e8d-4cb8-8552-a63ab05deaa7  10.70.36.7 Connected
> > 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef  10.70.36.6 Connected
> > 
> > ---
> > 
> > If anyone has better format, or want more information, let us know now. 
> > I would keep timeout for this mail as 3 more working days, and without 
> > any response, we will go ahead with the change.
> > 
> > Regards,
> > Amar
> > ___
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> > http://gluster.org/cgi-bin/mailman/listinfo/gluster-users
> > 
> > ___
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> > https://lists.nongnu.org/mailman/listinfo/gluster-devel
> > 
> 
> 
> -- 
> Regards,
> Stephan
> 
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-- 
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ith Kommunikationstechnik GmbH

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Re: [Gluster-users] Typical setup questions

2012-08-28 Thread Bryan Whitehead
I'f found pricing for Infiniband switches / cards to be cheaper than
10G cards/switches with the addition of being 4X fast.

On Tue, Aug 28, 2012 at 11:44 AM, Joe Topjian  wrote:
> Hi Matt,
>
> On Tue, Aug 28, 2012 at 9:29 AM, Matt Weil  wrote:
>>
>> Since we are on the subject of hardware what would be the perfect fit for
>> a gluster brick. We where looking at a PowerEdge C2100 Rack Server.
>
>
> Just a note: the c2100 has been superseded by the Dell r720xd. Although the
> r720 is not part of the c-series, it's their official replacement.
>
>>
>> During testing I found it pretty easy to saturate 1 Gig network links.
>> This was also the case when multiple links where bonded together.  Are there
>> any cheap 10 gig switch alternatives that anyone would suggest?
>
>
> While not necessarily cheap, I've had great luck with Arista 7050 switches.
>
> We implement them in sets of two, linked together. We then use dual-port
> 10gb NICs and connect each NIC to each switch. It gives multiple layers of
> redundancy + a theoretical 20gb throughput per server.
>
> Thanks,
> Joe
>
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Re: [Gluster-users] QEMU-GlusterFS native integration demo video

2012-08-28 Thread Bryan Whitehead
I'd just like to also state this is fantastic. I hope the performance
will match.

On Tue, Aug 28, 2012 at 2:34 AM, Fernando Frediani (Qube)
 wrote:
> Thanks for sharing it with us Bharata.
>
> I saw you have two nodes. Have you done any performance tests and if so how 
> they compare with creating normal .qcow2 or .raw files on the filesystem, 
> specially for the writes ?
>
> Thanks
>
> Fernando
>
> -Original Message-
> From: gluster-users-boun...@gluster.org 
> [mailto:gluster-users-boun...@gluster.org] On Behalf Of Bharata B Rao
> Sent: 28 August 2012 05:14
> To: gluster-users@gluster.org; gluster-de...@nongnu.org
> Subject: [Gluster-users] QEMU-GlusterFS native integration demo video
>
> Hi,
>
> If you are interested and/or curious to know how QEMU can be used to create 
> and boot VM's from GlusterFS volume, take a look at the demo video I have 
> created at:
>
> www.youtube.com/watch?v=JG3kF_djclg
>
> Regards,
> Bharata.
> --
> http://bharata.sulekha.com/blog/posts.htm, http://raobharata.wordpress.com/ 
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Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread James
On Tue, 2012-08-28 at 13:02 -0600, Joe Topjian wrote:
> Hi James,
> 
> FWIW: I tend to agree on this point. The other question that
> comes to
> mind is what "quick" bash scripts are you writing for managing
> gluster?
> 
> 
> "quick" might not have been the best word to use -- maybe "small"
> would have been better. 
> 
> 
> For example, "peer status" + columns + grep + awk could be used for a
> small Nagios check command.
Gotcha...

As an aside,

If it's at all helpful to you, I've needed to parse some gluster --xml
and I've made this:
https://github.com/purpleidea/puppet-gluster/blob/master/files/xml.py
which I call from within bash (puppet) basically.

I'm hoping that it remains stable and I don't need to add versions
checks everywhere. It might be a good idea for nagios stuff too.

HTH,
James
> 
> 
> Thanks,
> Joe 



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Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread Joe Topjian
Hi James,

FWIW: I tend to agree on this point. The other question that comes to
> mind is what "quick" bash scripts are you writing for managing gluster?
>

"quick" might not have been the best word to use -- maybe "small" would
have been better.

For example, "peer status" + columns + grep + awk could be used for a small
Nagios check command.

Thanks,
Joe
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Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread James
On Tue, 2012-08-28 at 12:51 -0600, Joe Topjian wrote:
> Hi Pranith,
> 
> On Tue, Aug 28, 2012 at 6:51 AM, Pranith Kumar Karampuri
>  wrote:
>Why not use --xml at the end of the command? That will
> print the output in xml format. Would that make it easy to
> parse?.
> 
> 
> IMO, I can see --xml being useful for more "sophisticated" scripts
> that utilize Perl, Python, or Ruby, however, for quick shell
> scripting, I can see this being very difficult if not unusable.
FWIW: I tend to agree on this point. The other question that comes to
mind is what "quick" bash scripts are you writing for managing gluster?

Get curious,
James
> 
> 
> Having the output print in set columns, though might wrap when printed
> on <=80 char terminals, would make it very easy to parse with awk.
> 
> 
> Thanks,
> Joe
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Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread Joe Topjian
Hi Pranith,

On Tue, Aug 28, 2012 at 6:51 AM, Pranith Kumar Karampuri <
pkara...@redhat.com> wrote:
>
>Why not use --xml at the end of the command? That will print the output
> in xml format. Would that make it easy to parse?.


IMO, I can see --xml being useful for more "sophisticated" scripts that
utilize Perl, Python, or Ruby, however, for quick shell scripting, I can
see this being very difficult if not unusable.

Having the output print in set columns, though might wrap when printed on
<=80 char terminals, would make it very easy to parse with awk.

Thanks,
Joe
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Re: [Gluster-users] Typical setup questions

2012-08-28 Thread Joe Topjian
Hi Matt,

On Tue, Aug 28, 2012 at 9:29 AM, Matt Weil  wrote:

> Since we are on the subject of hardware what would be the perfect fit for
> a gluster brick. We where looking at a PowerEdge C2100 Rack Server.
>

Just a note: the c2100 has been superseded by the Dell r720xd. Although the
r720 is not part of the c-series, it's their official replacement.


> During testing I found it pretty easy to saturate 1 Gig network links.
> This was also the case when multiple links where bonded together.  Are
> there any cheap 10 gig switch alternatives that anyone would suggest?


While not necessarily cheap, I've had great luck with Arista 7050 switches.

We implement them in sets of two, linked together. We then use dual-port
10gb NICs and connect each NIC to each switch. It gives multiple layers of
redundancy + a theoretical 20gb throughput per server.

Thanks,
Joe
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Re: [Gluster-users] Feodra 17 GlusterFS 3.3 and Firefox

2012-08-28 Thread Joe Julian
I was able to cause client crashes with the 3.5 kernels in Fedora and have 
opened a bug report.

Bugzilla is down right now or I would give you the bug link. 

Yannik Lieblinger  wrote:

>Hi Joe,
>
>I have do an update to the new kernel 3.5.2-3.fc17.x86_64. And have the same 
>problem.
>
>Does you test give some interesting results? 
> 
> 
>-- 
>Best regards
>
>Yannik Lieblinger
>
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Re: [Gluster-users] Typical setup questions

2012-08-28 Thread Brian Candler
On Tue, Aug 28, 2012 at 10:29:55AM -0500, Matt Weil wrote:
> Since we are on the subject of hardware what would be the perfect
> fit for a gluster brick. We where looking at a PowerEdge C2100 Rack
> Server.

Looks fine to me; UK website doesn't give the pricing so I imagine it's
pretty expensive :-)

> During testing I found it pretty easy to saturate 1 Gig network
> links. This was also the case when multiple links where bonded
> together.  Are there any cheap 10 gig switch alternatives that
> anyone would suggest?

Netgear XSM7224S, Intel X520-DA2 adapters, and direct-attach cables (I've
used Netgear ones for 3m and Intel for 5m)
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Re: [Gluster-users] Typical setup questions

2012-08-28 Thread Matt Weil

Brian

thanks for this response.

Since we are on the subject of hardware what would be the perfect fit 
for a gluster brick. We where looking at a PowerEdge C2100 Rack Server.


During testing I found it pretty easy to saturate 1 Gig network links. 
This was also the case when multiple links where bonded together.  Are 
there any cheap 10 gig switch alternatives that anyone would suggest?


Matt

On 8/24/12 4:28 PM, Brian Candler wrote:

On Fri, Aug 24, 2012 at 10:51:24AM -0500, Matt Weil wrote:

I am curious what is used typically for the file system replication
and how do you make sure that it is consistent.

So for example when using large 3TB+ sata/NL-sas drives.  Is is
typical to replicate three times to get similar protection to raid
6?


Gluster sits on top of existing filesystems on the storage bricks, so it's
fine to continue to use RAID10 (for performance) or RAID6 (for capacity) on
those nodes.  Gluster replicated volumes, and/or gluster geo-replication,
then give you an additional layer of replication on top of that, and the
ability to handle entire servers going out of service.

If I were you, I would not want to have a non-resilient array like a RAID0
on my storage bricks.

Whilst in principle you could have lots of separate 3TB filesystems and put
them into a large distributed/replicated set, I think this is likely to be
difficult to manage.  In particular, the process of replacing a failed disk
requires more skill than a simple RAID drive swap.

One word of warning: when choosing 3TB SATA drives, ensure they support
error recovery control (a.k.a. time-limited error recovery).

Enterprise drives do, but many consumer ones don't. The Hitachi consumer
ones do, for now anyway; Seagate ones do not.

To attempt to enable it on a particular drive:

 # smartctl -l scterc,70,70 /dev/sda

If the drive supports it, you'll see:

 SCT Error Recovery Control set to:
Read: 70 (7.0 seconds)
   Write: 70 (7.0 seconds)

There's plenty of discussion on the linux-raid mailing list if you want to
go through the archives.


Also what is typically done to ensure that all replicas are in place
and consistent?  A cron that stats of ls's the file system from a
single client?


I don't have a good answer to that. Stat'ing all files recursively used to
be required for gluster <3.3 to force healing.  As of gluster 3.3, there is
a self-healing daemon which handles this automatically.  So basically, you
trust gluster to do its job.

I guess there could be value in running a recursive md5sum on each replica
locally and comparing the results (but you'd have to allow for files which
were in the process of changing during the scan)

Regards,

Brian.



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Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread James
On Tue, 2012-08-28 at 08:46 -0400, Pranith Kumar Karampuri wrote:
> hi Amar,
>  This is the format we considered initially but we did not go with this 
> because it may exceed 80 chars and wrap over for small terminals if we want 
> to add more fields in future.
This actually seems like a fairly reasonable point to me 
However, the most important thing to me is that the --xml output stays
stable. 

Thank you!
James

> 
> Pranith.
> - Original Message -
> From: "Amar Tumballi" 
> To: "Gluster Devel" , "gluster-users" 
> 
> Sent: Tuesday, August 28, 2012 4:36:07 PM
> Subject: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer  
> status'
> 
> Hi,
> 
> Wanted to check if any one is using gluster CLI output of 'peer status' 
> in their scripts/programs? If yes, let me know. If not, we are trying to 
> make it more script friendly.
> 
> For example the current output would look something like:
> 
> -
> Hostname: 10.70.36.7
> Uuid: c7283ee7-0e8d-4cb8-8552-a63ab05deaa7
> State: Peer in Cluster (Connected)
> 
> Hostname: 10.70.36.6
> Uuid: 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef
> State: Peer in Cluster (Connected)
> 
> -
> 
> New changes would make it look like :
> 
> ---
> UUID  Hostname   Status
> c7283ee7-0e8d-4cb8-8552-a63ab05deaa7  10.70.36.7 Connected
> 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef  10.70.36.6 Connected
> 
> ---
> 
> If anyone has better format, or want more information, let us know now. 
> I would keep timeout for this mail as 3 more working days, and without 
> any response, we will go ahead with the change.
> 
> Regards,
> Amar
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Re: [Gluster-users] [Gluster-devel] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread Kaushal M
Bryan,
FYI XML output for 'peer status' isn't yet present in 3.3.0. It was
just pushed into master. So if you want to test it, you'll have to
build from master

- Kaushal

On Tue, Aug 28, 2012 at 7:27 PM, Pranith Kumar Karampuri
 wrote:
> No. Output formats in that way generally start out nice but as you start 
> adding more fields, formatting them becomes difficult IMO.
>
> Pranith
> - Original Message -
> From: "Stephan von Krawczynski" 
> To: "Pranith Kumar Karampuri" 
> Cc: "gluster-users" , "Gluster Devel" 
> 
> Sent: Tuesday, August 28, 2012 7:01:57 PM
> Subject: Re: [Gluster-devel] [Gluster-users] FeedBack Requested : Changes to 
> CLI output of 'peer status'
>
> Top posting and kidding is a bit exaggerated for one posting ...
>
> You are not seriously talking about 80 char terminals for an output that is
> commonly used by scripts and stuff like nagios, are you?
>
>
> On Tue, 28 Aug 2012 08:46:22 -0400 (EDT)
> Pranith Kumar Karampuri  wrote:
>
>> hi Amar,
>>  This is the format we considered initially but we did not go with this 
>> because it may exceed 80 chars and wrap over for small terminals if we want 
>> to add more fields in future.
>>
>> Pranith.
>> - Original Message -
>> From: "Amar Tumballi" 
>> To: "Gluster Devel" , "gluster-users" 
>> 
>> Sent: Tuesday, August 28, 2012 4:36:07 PM
>> Subject: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer 
>>  status'
>>
>> Hi,
>>
>> Wanted to check if any one is using gluster CLI output of 'peer status'
>> in their scripts/programs? If yes, let me know. If not, we are trying to
>> make it more script friendly.
>>
>> For example the current output would look something like:
>>
>> -
>> Hostname: 10.70.36.7
>> Uuid: c7283ee7-0e8d-4cb8-8552-a63ab05deaa7
>> State: Peer in Cluster (Connected)
>>
>> Hostname: 10.70.36.6
>> Uuid: 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef
>> State: Peer in Cluster (Connected)
>>
>> -
>>
>> New changes would make it look like :
>>
>> ---
>> UUID  Hostname   Status
>> c7283ee7-0e8d-4cb8-8552-a63ab05deaa7  10.70.36.7 Connected
>> 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef  10.70.36.6 Connected
>>
>> ---
>>
>> If anyone has better format, or want more information, let us know now.
>> I would keep timeout for this mail as 3 more working days, and without
>> any response, we will go ahead with the change.
>>
>> Regards,
>> Amar
>> ___
>> Gluster-users mailing list
>> Gluster-users@gluster.org
>> http://gluster.org/cgi-bin/mailman/listinfo/gluster-users
>>
>> ___
>> Gluster-devel mailing list
>> gluster-de...@nongnu.org
>> https://lists.nongnu.org/mailman/listinfo/gluster-devel
>>
>
>
> --
> Regards,
> Stephan
>
> ___
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Re: [Gluster-users] [Gluster-devel] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread s19n
* Stephan von Krawczynski  [2012 08 28, 15:31]:
> You are not seriously talking about 80 char terminals for an output
> that is commonly used by scripts and stuff like nagios, are you?
>
> > -
> > Hostname: 10.70.36.7
> > Uuid: c7283ee7-0e8d-4cb8-8552-a63ab05deaa7
> > State: Peer in Cluster (Connected)
> > -

 Given the '80 char terminals' and the plan to add more fields, I would
suggest a kind of key-value output which should be as easy to parse:

- cut here -
c7283ee7-0e8d-4cb8-8552-a63ab05deaa7: Hostname: 10.70.36.7
c7283ee7-0e8d-4cb8-8552-a63ab05deaa7: State: Connected
- cut here -

 This way you should be able to line-filter the output as if it was all
in one line.

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Re: [Gluster-users] [Gluster-devel] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread Pranith Kumar Karampuri
No. Output formats in that way generally start out nice but as you start adding 
more fields, formatting them becomes difficult IMO.

Pranith
- Original Message -
From: "Stephan von Krawczynski" 
To: "Pranith Kumar Karampuri" 
Cc: "gluster-users" , "Gluster Devel" 

Sent: Tuesday, August 28, 2012 7:01:57 PM
Subject: Re: [Gluster-devel] [Gluster-users] FeedBack Requested : Changes to 
CLI output of 'peer status'

Top posting and kidding is a bit exaggerated for one posting ...

You are not seriously talking about 80 char terminals for an output that is
commonly used by scripts and stuff like nagios, are you?


On Tue, 28 Aug 2012 08:46:22 -0400 (EDT)
Pranith Kumar Karampuri  wrote:

> hi Amar,
>  This is the format we considered initially but we did not go with this 
> because it may exceed 80 chars and wrap over for small terminals if we want 
> to add more fields in future.
> 
> Pranith.
> - Original Message -
> From: "Amar Tumballi" 
> To: "Gluster Devel" , "gluster-users" 
> 
> Sent: Tuesday, August 28, 2012 4:36:07 PM
> Subject: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer  
> status'
> 
> Hi,
> 
> Wanted to check if any one is using gluster CLI output of 'peer status' 
> in their scripts/programs? If yes, let me know. If not, we are trying to 
> make it more script friendly.
> 
> For example the current output would look something like:
> 
> -
> Hostname: 10.70.36.7
> Uuid: c7283ee7-0e8d-4cb8-8552-a63ab05deaa7
> State: Peer in Cluster (Connected)
> 
> Hostname: 10.70.36.6
> Uuid: 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef
> State: Peer in Cluster (Connected)
> 
> -
> 
> New changes would make it look like :
> 
> ---
> UUID  Hostname   Status
> c7283ee7-0e8d-4cb8-8552-a63ab05deaa7  10.70.36.7 Connected
> 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef  10.70.36.6 Connected
> 
> ---
> 
> If anyone has better format, or want more information, let us know now. 
> I would keep timeout for this mail as 3 more working days, and without 
> any response, we will go ahead with the change.
> 
> Regards,
> Amar
> ___
> Gluster-users mailing list
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-- 
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Stephan

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Re: [Gluster-users] [Gluster-devel] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread Stephan von Krawczynski
Top posting and kidding is a bit exaggerated for one posting ...

You are not seriously talking about 80 char terminals for an output that is
commonly used by scripts and stuff like nagios, are you?


On Tue, 28 Aug 2012 08:46:22 -0400 (EDT)
Pranith Kumar Karampuri  wrote:

> hi Amar,
>  This is the format we considered initially but we did not go with this 
> because it may exceed 80 chars and wrap over for small terminals if we want 
> to add more fields in future.
> 
> Pranith.
> - Original Message -
> From: "Amar Tumballi" 
> To: "Gluster Devel" , "gluster-users" 
> 
> Sent: Tuesday, August 28, 2012 4:36:07 PM
> Subject: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer  
> status'
> 
> Hi,
> 
> Wanted to check if any one is using gluster CLI output of 'peer status' 
> in their scripts/programs? If yes, let me know. If not, we are trying to 
> make it more script friendly.
> 
> For example the current output would look something like:
> 
> -
> Hostname: 10.70.36.7
> Uuid: c7283ee7-0e8d-4cb8-8552-a63ab05deaa7
> State: Peer in Cluster (Connected)
> 
> Hostname: 10.70.36.6
> Uuid: 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef
> State: Peer in Cluster (Connected)
> 
> -
> 
> New changes would make it look like :
> 
> ---
> UUID  Hostname   Status
> c7283ee7-0e8d-4cb8-8552-a63ab05deaa7  10.70.36.7 Connected
> 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef  10.70.36.6 Connected
> 
> ---
> 
> If anyone has better format, or want more information, let us know now. 
> I would keep timeout for this mail as 3 more working days, and without 
> any response, we will go ahead with the change.
> 
> Regards,
> Amar
> ___
> Gluster-users mailing list
> Gluster-users@gluster.org
> http://gluster.org/cgi-bin/mailman/listinfo/gluster-users
> 
> ___
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> gluster-de...@nongnu.org
> https://lists.nongnu.org/mailman/listinfo/gluster-devel
> 


-- 
Regards,
Stephan
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Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread Washer, Bryan
Pranith,

  I will look at it...Thanks.

Bryan

-Original Message-
From: Pranith Kumar Karampuri [mailto:pkara...@redhat.com] 
Sent: Tuesday, August 28, 2012 7:51 AM
To: Washer, Bryan
Cc: Amar Tumballi; Gluster Devel; gluster-users
Subject: Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 
'peer status'

Bryan,
   Why not use --xml at the end of the command? That will print the output in 
xml format. Would that make it easy to parse?.

Pranith.
- Original Message -
From: "Bryan Washer" 
To: "Amar Tumballi" , "Gluster Devel" 
, "gluster-users" 
Sent: Tuesday, August 28, 2012 5:40:16 PM
Subject: Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 
'peerstatus'




I would love thisand would be more than happy to change my current 
parsing...this would make it A LOT easier to parseas well as easier to see 
all information on a disconnected peer as the information will be in a single 
line. 

Bryan Washer 

-Original Message- 
From: gluster-users-boun...@gluster.org 
[mailto:gluster-users-boun...@gluster.org] On Behalf Of Amar Tumballi 
Sent: Tuesday, August 28, 2012 6:06 AM 
To: Gluster Devel; gluster-users 
Subject: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer 
status' 

Hi, 

Wanted to check if any one is using gluster CLI output of 'peer status' 
in their scripts/programs? If yes, let me know. If not, we are trying to 
make it more script friendly. 

For example the current output would look something like: 

- 
Hostname: 10.70.36.7 
Uuid: c7283ee7-0e8d-4cb8-8552-a63ab05deaa7 
State: Peer in Cluster (Connected) 

Hostname: 10.70.36.6 
Uuid: 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef 
State: Peer in Cluster (Connected) 

- 

New changes would make it look like : 

--- 
UUID Hostname Status 
c7283ee7-0e8d-4cb8-8552-a63ab05deaa7 10.70.36.7 Connected 
5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef 10.70.36.6 Connected 

--- 

If anyone has better format, or want more information, let us know now. 
I would keep timeout for this mail as 3 more working days, and without 
any response, we will go ahead with the change. 

Regards, 
Amar 
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Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread Washer, Bryan
If this is the case...why not add a flag for the more verbose 
information ...and let the default provide just the basics with output very 
easy to parse like this...

Bryan Washer

-Original Message-
From: gluster-users-boun...@gluster.org 
[mailto:gluster-users-boun...@gluster.org] On Behalf Of Pranith Kumar Karampuri
Sent: Tuesday, August 28, 2012 7:46 AM
To: Amar Tumballi
Cc: gluster-users; Gluster Devel
Subject: Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 
'peer status'

hi Amar,
 This is the format we considered initially but we did not go with this 
because it may exceed 80 chars and wrap over for small terminals if we want to 
add more fields in future.

Pranith.
- Original Message -
From: "Amar Tumballi" 
To: "Gluster Devel" , "gluster-users" 

Sent: Tuesday, August 28, 2012 4:36:07 PM
Subject: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer
status'

Hi,

Wanted to check if any one is using gluster CLI output of 'peer status' 
in their scripts/programs? If yes, let me know. If not, we are trying to 
make it more script friendly.

For example the current output would look something like:

-
Hostname: 10.70.36.7
Uuid: c7283ee7-0e8d-4cb8-8552-a63ab05deaa7
State: Peer in Cluster (Connected)

Hostname: 10.70.36.6
Uuid: 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef
State: Peer in Cluster (Connected)

-

New changes would make it look like :

---
UUID  Hostname   Status
c7283ee7-0e8d-4cb8-8552-a63ab05deaa7  10.70.36.7 Connected
5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef  10.70.36.6 Connected

---

If anyone has better format, or want more information, let us know now. 
I would keep timeout for this mail as 3 more working days, and without 
any response, we will go ahead with the change.

Regards,
Amar
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Please note that all communications and information transmitted through this 
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Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread Marcelo Roccasalva
On Tue, Aug 28, 2012 at 9:46 AM, Pranith Kumar Karampuri <
pkara...@redhat.com> wrote:

> hi Amar,
>  This is the format we considered initially but we did not go with
> this because it may exceed 80 chars and wrap over for small terminals if we
> want to add more fields in future.
>

It would be good to provide a switch for the new format while preserving
the default...


>
> Pranith.
> - Original Message -
> From: "Amar Tumballi" 
> To: "Gluster Devel" , "gluster-users" <
> gluster-users@gluster.org>
> Sent: Tuesday, August 28, 2012 4:36:07 PM
> Subject: [Gluster-users] FeedBack Requested : Changes to CLI output of
> 'peerstatus'
>
> Hi,
>
> Wanted to check if any one is using gluster CLI output of 'peer status'
> in their scripts/programs? If yes, let me know. If not, we are trying to
> make it more script friendly.
>
> For example the current output would look something like:
>
> -
> Hostname: 10.70.36.7
> Uuid: c7283ee7-0e8d-4cb8-8552-a63ab05deaa7
> State: Peer in Cluster (Connected)
>
> Hostname: 10.70.36.6
> Uuid: 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef
> State: Peer in Cluster (Connected)
>
> -
>
> New changes would make it look like :
>
> ---
> UUID  Hostname   Status
> c7283ee7-0e8d-4cb8-8552-a63ab05deaa7  10.70.36.7 Connected
> 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef  10.70.36.6 Connected
>
> ---
>
> If anyone has better format, or want more information, let us know now.
> I would keep timeout for this mail as 3 more working days, and without
> any response, we will go ahead with the change.
>
> Regards,
> Amar
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-- 
Marcelo

"¿No será acaso que esta vida moderna está teniendo más de moderna que de
vida?" (Mafalda)
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Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread Pranith Kumar Karampuri
Bryan,
   Why not use --xml at the end of the command? That will print the output in 
xml format. Would that make it easy to parse?.

Pranith.
- Original Message -
From: "Bryan Washer" 
To: "Amar Tumballi" , "Gluster Devel" 
, "gluster-users" 
Sent: Tuesday, August 28, 2012 5:40:16 PM
Subject: Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 
'peerstatus'




I would love thisand would be more than happy to change my current 
parsing...this would make it A LOT easier to parseas well as easier to see 
all information on a disconnected peer as the information will be in a single 
line. 

Bryan Washer 

-Original Message- 
From: gluster-users-boun...@gluster.org 
[mailto:gluster-users-boun...@gluster.org] On Behalf Of Amar Tumballi 
Sent: Tuesday, August 28, 2012 6:06 AM 
To: Gluster Devel; gluster-users 
Subject: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer 
status' 

Hi, 

Wanted to check if any one is using gluster CLI output of 'peer status' 
in their scripts/programs? If yes, let me know. If not, we are trying to 
make it more script friendly. 

For example the current output would look something like: 

- 
Hostname: 10.70.36.7 
Uuid: c7283ee7-0e8d-4cb8-8552-a63ab05deaa7 
State: Peer in Cluster (Connected) 

Hostname: 10.70.36.6 
Uuid: 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef 
State: Peer in Cluster (Connected) 

- 

New changes would make it look like : 

--- 
UUID Hostname Status 
c7283ee7-0e8d-4cb8-8552-a63ab05deaa7 10.70.36.7 Connected 
5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef 10.70.36.6 Connected 

--- 

If anyone has better format, or want more information, let us know now. 
I would keep timeout for this mail as 3 more working days, and without 
any response, we will go ahead with the change. 

Regards, 
Amar 
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Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread Pranith Kumar Karampuri
hi Amar,
 This is the format we considered initially but we did not go with this 
because it may exceed 80 chars and wrap over for small terminals if we want to 
add more fields in future.

Pranith.
- Original Message -
From: "Amar Tumballi" 
To: "Gluster Devel" , "gluster-users" 

Sent: Tuesday, August 28, 2012 4:36:07 PM
Subject: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer
status'

Hi,

Wanted to check if any one is using gluster CLI output of 'peer status' 
in their scripts/programs? If yes, let me know. If not, we are trying to 
make it more script friendly.

For example the current output would look something like:

-
Hostname: 10.70.36.7
Uuid: c7283ee7-0e8d-4cb8-8552-a63ab05deaa7
State: Peer in Cluster (Connected)

Hostname: 10.70.36.6
Uuid: 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef
State: Peer in Cluster (Connected)

-

New changes would make it look like :

---
UUID  Hostname   Status
c7283ee7-0e8d-4cb8-8552-a63ab05deaa7  10.70.36.7 Connected
5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef  10.70.36.6 Connected

---

If anyone has better format, or want more information, let us know now. 
I would keep timeout for this mail as 3 more working days, and without 
any response, we will go ahead with the change.

Regards,
Amar
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Re: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread Washer, Bryan
I would love thisand would be more than happy to change my 
current parsing...this would make it A LOT easier to parseas well as easier 
to see all information on a disconnected peer as the information will be in a 
single line.

Bryan Washer

-Original Message-
From: gluster-users-boun...@gluster.org 
[mailto:gluster-users-boun...@gluster.org] On Behalf Of Amar Tumballi
Sent: Tuesday, August 28, 2012 6:06 AM
To: Gluster Devel; gluster-users
Subject: [Gluster-users] FeedBack Requested : Changes to CLI output of 'peer 
status'

Hi,

Wanted to check if any one is using gluster CLI output of 'peer status' 
in their scripts/programs? If yes, let me know. If not, we are trying to 
make it more script friendly.

For example the current output would look something like:

-
Hostname: 10.70.36.7
Uuid: c7283ee7-0e8d-4cb8-8552-a63ab05deaa7
State: Peer in Cluster (Connected)

Hostname: 10.70.36.6
Uuid: 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef
State: Peer in Cluster (Connected)

-

New changes would make it look like :

---
UUID  Hostname   Status
c7283ee7-0e8d-4cb8-8552-a63ab05deaa7  10.70.36.7 Connected
5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef  10.70.36.6 Connected

---

If anyone has better format, or want more information, let us know now. 
I would keep timeout for this mail as 3 more working days, and without 
any response, we will go ahead with the change.

Regards,
Amar
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for the stated purpose. Any improper use or distribution is prohibited. If you 
are not the intended recipient, please notify the sender; do not review, copy 
or distribute; and promptly delete or destroy all transmitted information. 
Please note that all communications and information transmitted through this 
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email is automatically scanned by a third party spam and filtering service

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Re: [Gluster-users] Failed to get names of volumes

2012-08-28 Thread Kaushal M
Glusterd holds a cluster wide lock before performing any volume
operation requested by cli (excluding 'volume info'). This lock is
supposed to be released at the end of the given operation, whether the
operation succeeded or not, but it appears that it hasn't in your
case. But I don't think you've encountered the bug (843003) mentioned.
Could you provide the glusterd logs of the server with the lock still
held, so that we can make a diagnosis?

- Kaushal

On Tue, Aug 28, 2012 at 3:15 PM, s19n  wrote:
>
> * s19n  [2012 08 27, 17:56]:
> >  Additional update: seems that the command (and many others) is not
> > working because of a 'local lock' being held.
>
> I think I am hitting the following, so I'll be looking forward the fix:
>
> https://bugzilla.redhat.com/show_bug.cgi?id=843003
>
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[Gluster-users] FeedBack Requested : Changes to CLI output of 'peer status'

2012-08-28 Thread Amar Tumballi

Hi,

Wanted to check if any one is using gluster CLI output of 'peer status' 
in their scripts/programs? If yes, let me know. If not, we are trying to 
make it more script friendly.


For example the current output would look something like:

-
Hostname: 10.70.36.7
Uuid: c7283ee7-0e8d-4cb8-8552-a63ab05deaa7
State: Peer in Cluster (Connected)

Hostname: 10.70.36.6
Uuid: 5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef
State: Peer in Cluster (Connected)

-

New changes would make it look like :

---
UUID  Hostname   Status
c7283ee7-0e8d-4cb8-8552-a63ab05deaa7  10.70.36.7 Connected
5a2fdeb3-e63e-4e56-aebe-8b68a5abfcef  10.70.36.6 Connected

---

If anyone has better format, or want more information, let us know now. 
I would keep timeout for this mail as 3 more working days, and without 
any response, we will go ahead with the change.


Regards,
Amar
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Re: [Gluster-users] Failed to get names of volumes

2012-08-28 Thread s19n
* s19n  [2012 08 27, 17:56]:
>  Additional update: seems that the command (and many others) is not
> working because of a 'local lock' being held.

I think I am hitting the following, so I'll be looking forward the fix:

https://bugzilla.redhat.com/show_bug.cgi?id=843003

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Re: [Gluster-users] QEMU-GlusterFS native integration demo video

2012-08-28 Thread Fernando Frediani (Qube)
Thanks for sharing it with us Bharata.

I saw you have two nodes. Have you done any performance tests and if so how 
they compare with creating normal .qcow2 or .raw files on the filesystem, 
specially for the writes ?

Thanks

Fernando

-Original Message-
From: gluster-users-boun...@gluster.org 
[mailto:gluster-users-boun...@gluster.org] On Behalf Of Bharata B Rao
Sent: 28 August 2012 05:14
To: gluster-users@gluster.org; gluster-de...@nongnu.org
Subject: [Gluster-users] QEMU-GlusterFS native integration demo video

Hi,

If you are interested and/or curious to know how QEMU can be used to create and 
boot VM's from GlusterFS volume, take a look at the demo video I have created 
at:

www.youtube.com/watch?v=JG3kF_djclg

Regards,
Bharata.
--
http://bharata.sulekha.com/blog/posts.htm, http://raobharata.wordpress.com/ 
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Re: [Gluster-users] Ownership changed to root

2012-08-28 Thread Stephan von Krawczynski
On Tue, 28 Aug 2012 09:21:57 +0100
Brian Candler  wrote:

> On Tue, Aug 28, 2012 at 10:01:16AM +0200, Stephan von Krawczynski wrote:
> > Again, let me note two things:
> > - the current code has a lot more (other) problems than the 2.X tree, that 
> > is
> > why we won't use that.
> > - if one has to look at the code to find out the basic problem he is not the
> > target person of our question.
> 
> To which I would suggest that if such a fundamental problem were known
> about, it would have been fixed long ago.
> 
> IMO your best bet is to raise a bug report in bugzilla.

It is obvious I cannot do that because the only answer will be to update to a
current version and re-file the report if the problem still persists.

I am well aware though that the problem is quite fundamental for a fs...

-- 
Regards,
Stephan
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Re: [Gluster-users] Ownership changed to root

2012-08-28 Thread Brian Candler
On Tue, Aug 28, 2012 at 10:01:16AM +0200, Stephan von Krawczynski wrote:
> Again, let me note two things:
> - the current code has a lot more (other) problems than the 2.X tree, that is
> why we won't use that.
> - if one has to look at the code to find out the basic problem he is not the
> target person of our question.

To which I would suggest that if such a fundamental problem were known
about, it would have been fixed long ago.

IMO your best bet is to raise a bug report in bugzilla.
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Re: [Gluster-users] Ownership changed to root

2012-08-28 Thread Stephan von Krawczynski
On Mon, 27 Aug 2012 18:43:27 +0100
Brian Candler  wrote:

> On Mon, Aug 27, 2012 at 03:08:21PM +0200, Stephan von Krawczynski wrote:
> > The gluster version is 2.X and cannot be changed.
> 
> Ah, that's the important bit. If you have a way to replicate the problem
> with current code it will be easier to get someone to look at it.

Again, let me note two things:
- the current code has a lot more (other) problems than the 2.X tree, that is
why we won't use that.
- if one has to look at the code to find out the basic problem he is not the
target person of our question.

-- 
Regards,
Stephan
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