XFS Realtime Replication problem

XFS Realtime Replication problem

[Jignesh]

Dear,

We have SGI IS3500 Storage server and we have installed RHEL 6.2 with 
XVM and XFS. We have installed CA ARCserve Replication host based 
realtime replication software for Realtime byte level replications to 
other server in network for DR.

Now we are facing one problem that at the time of Realtime replication 
if we update any file on Master (Source) server, file size becomes 0 
byte in master server the same file content becomes garbage and slave 
side also file size becomes 0 size.

Please help, we are struggling from last one month.

With warm Regards,

  
Jignesh Prajapati
Sr. IT Manager-CS
CMC Limited
(A TATA Enterprise)
6th Floor, Premier House-1, Bodakdev, S G Highway, Ahmedabad-380054
Direct Line: +91 79 66090924 | Email: jignesh.prajapati@cmcltd.com
www.cmcltd.com
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Re: XFS Realtime Replication problem

[Jignesh]

One thing I want to update that the same Realtime Replication works fine 
with ext4 Filesystem.

Regards,

Jignesh P.

On 03-07-2014 10:24, Jignesh wrote:
> Dear,
>
> We have SGI IS3500 Storage server and we have installed RHEL 6.2 with 
> XVM and XFS. We have installed CA ARCserve Replication host based 
> realtime replication software for Realtime byte level replications to 
> other server in network for DR.
>
> Now we are facing one problem that at the time of Realtime replication 
> if we update any file on Master (Source) server, file size becomes 0 
> byte in master server the same file content becomes garbage and slave 
> side also file size becomes 0 size.
>
> Please help, we are struggling from last one month.
>
> With warm Regards,
>
>
> Jignesh Prajapati
> Sr. IT Manager-CS
> CMC Limited
> (A TATA Enterprise)
> 6th Floor, Premier House-1, Bodakdev, S G Highway, Ahmedabad-380054
> Direct Line: +91 79 66090924 | Email: jignesh.prajapati@cmcltd.com
> www.cmcltd.com
> ---------------------------------------------------------------------------------------------------------- 
>
> System Engineering | Integration | Solution & Sales
> ---------------------------------------------------------------------------------------------------------- 
>
>


-- 
Jignesh Prajapati
Sr. IT Manager-CS
CMC Limited
(A TATA Enterprise)
6th Floor, Premier House-1, Bodakdev, S G Highway, Ahmedabad-380054
Direct Line: +91 79 66090924 | Email: jignesh.prajapati@cmcltd.com
www.cmcltd.com
----------------------------------------------------------------------------------------------------------
System Engineering | Integration | Solution & Sales
----------------------------------------------------------------------------------------------------------

______________________________________________________________________________

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Re: XFS Realtime Replication problem

[Dave Chinner]

On Thu, Jul 03, 2014 at 10:24:36AM +0530, Jignesh wrote:
> Dear,
> 
> We have SGI IS3500 Storage server and we have installed RHEL 6.2
> with XVM and XFS. We have installed CA ARCserve Replication host
> based realtime replication software for Realtime byte level
> replications to other server in network for DR.

SGI storage product, SGI proprietary kernel modules - you probably
should be sending email to your SGI support contact, not to the
public upstream XFS development list....

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com

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Re: XFS Realtime Replication problem

[Jignesh]

Dear Dave,

Thanks for your quick response.

This is not SGI Proprietary Storage product and not using any SGI 
proprietary kernel module. SGI IS3500 is normal Intel Server with 36 
HDDs. ( Storage Server), We have installed RHEL 6.2 on this Server and 
configured XVM and XFS.

Regards,

Jignesh P.

On 03-07-2014 11:45, Dave Chinner wrote:
> On Thu, Jul 03, 2014 at 10:24:36AM +0530, Jignesh wrote:
>> Dear,
>>
>> We have SGI IS3500 Storage server and we have installed RHEL 6.2
>> with XVM and XFS. We have installed CA ARCserve Replication host
>> based realtime replication software for Realtime byte level
>> replications to other server in network for DR.
> SGI storage product, SGI proprietary kernel modules - you probably
> should be sending email to your SGI support contact, not to the
> public upstream XFS development list....
>
> Cheers,
>
> Dave.


-- 
Jignesh Prajapati
Sr. IT Manager-CS
CMC Limited
(A TATA Enterprise)
6th Floor, Premier House-1, Bodakdev, S G Highway, Ahmedabad-380054
Direct Line: +91 79 66090924 | Email: jignesh.prajapati@cmcltd.com
www.cmcltd.com
----------------------------------------------------------------------------------------------------------
System Engineering | Integration | Solution & Sales
----------------------------------------------------------------------------------------------------------

______________________________________________________________________________

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are strictly prohibited. If you have received this communication in error,
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telephone and immediately and permanently delete the message and any
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Re: XFS Realtime Replication problem

[Dave Chinner]

On Thu, Jul 03, 2014 at 11:57:03AM +0530, Jignesh wrote:
> Dear Dave,
> 
> Thanks for your quick response.
> 
> This is not SGI Proprietary Storage product and not using any SGI
> proprietary kernel module. SGI IS3500 is normal Intel Server with 36
> HDDs. ( Storage Server), We have installed RHEL 6.2 on this Server
> and configured XVM and XFS.

XVM is SGI proprietary software:

http://www.sgi.com/products/storage/software/xvm.html

As it is, if you are using RHEL, you should talk to your Red Hat
support contact. They'll be able to tell you if it's a known problem
w/ XFS on RHEL and which version of RHEL 6.x it is fixed in. 

Cheers,

Dave.
-- 
Dave Chinner
david@fromorbit.com

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Re: XFS Realtime Replication problem

[Jignesh]

Dear Dave,

Thanks for your reply.

Regards,

Jignesh P.

On 03-07-2014 14:32, Dave Chinner wrote:
> On Thu, Jul 03, 2014 at 11:57:03AM +0530, Jignesh wrote:
>> Dear Dave,
>>
>> Thanks for your quick response.
>>
>> This is not SGI Proprietary Storage product and not using any SGI
>> proprietary kernel module. SGI IS3500 is normal Intel Server with 36
>> HDDs. ( Storage Server), We have installed RHEL 6.2 on this Server
>> and configured XVM and XFS.
> XVM is SGI proprietary software:
>
> http://www.sgi.com/products/storage/software/xvm.html
>
> As it is, if you are using RHEL, you should talk to your Red Hat
> support contact. They'll be able to tell you if it's a known problem
> w/ XFS on RHEL and which version of RHEL 6.x it is fixed in.
>
> Cheers,
>
> Dave.


-- 
Jignesh Prajapati
Sr. IT Manager-CS
CMC Limited
(A TATA Enterprise)
6th Floor, Premier House-1, Bodakdev, S G Highway, Ahmedabad-380054
Direct Line: +91 79 66090924 | Email: jignesh.prajapati@cmcltd.com
www.cmcltd.com
----------------------------------------------------------------------------------------------------------
System Engineering | Integration | Solution & Sales
----------------------------------------------------------------------------------------------------------

______________________________________________________________________________

DISCLAIMER

The information contained in this e-mail message and/or attachments to it may
contain confidential or privileged information. If you are not the intended
recipient, any dissemination, use, review, distribution, printing or copying
of the information contained in this e-mail message and/or attachments to it
are strictly prohibited. If you have received this communication in error,
please notify us by reply e-mail or directly to netsupport@cmcltd.com or
telephone and immediately and permanently delete the message and any
attachments. Thank you.

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Re: XFS Realtime Replication problem

[Troy McCorkell]

On 07/03/2014 04:21 AM, Jignesh wrote:
> Dear Dave,
>
> Thanks for your reply.
>
> Regards,
>
> Jignesh P.
>
> On 03-07-2014 14:32, Dave Chinner wrote:
>> On Thu, Jul 03, 2014 at 11:57:03AM +0530, Jignesh wrote:
>>> Dear Dave,
>>>
>>> Thanks for your quick response.
>>>
>>> This is not SGI Proprietary Storage product and not using any SGI
>>> proprietary kernel module. SGI IS3500 is normal Intel Server with 36
>>> HDDs. ( Storage Server), We have installed RHEL 6.2 on this Server
>>> and configured XVM and XFS.
>> XVM is SGI proprietary software:
>>
>> http://www.sgi.com/products/storage/software/xvm.html
>>
>> As it is, if you are using RHEL, you should talk to your Red Hat
>> support contact. They'll be able to tell you if it's a known problem
>> w/ XFS on RHEL and which version of RHEL 6.x it is fixed in.
>>
>> Cheers,
>>
>> Dave.

Jignesh,

If you have SGI XVM installed, then you most likely have the SGI 
supplied version
of XFS installed as well.

If you do have the SGI supplied version of XFS installed, Red Hat 
support will redirect you
to SGI for support.

Thanks,
Troy McCorkell



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