[Ocfs2-users] OCFS2 replication

[Garcia, Raymundo]

We have 2 sites, and each site have 2 servers with a shared OCFS filesystem.... What we want to do is to replicate everything that changes  in a certain folder (application) in OCFS2 FS in site A into the same folder on the shared OCFS2 filesystem on site B....

                SITE A                                    100 Mbit                                              SITE B
                                                       ------------------------->
      Server1  --- Server2                                                                   Server1 --- Server2
        \       OCFS2          /                                                                        \        OCFS2         /

In fact we just need this for DR situation.... site B will be standby only...

I wonder if there is any comercial or open-source solution to achiebe this....

thanks

Raymundo



From: ocfs2-users-bounces at oss.oracle.com [mailto:ocfs2-users-bounces at oss.oracle.com] On Behalf Of Luis Freitas
Sent: Friday, January 23, 2009 6:22 AM
To: Brian Kroth
Cc: ocfs2-users at oss.oracle.com
Subject: Re: [Ocfs2-users] OCFS2 replication

Brian,

   We have EMC Mirrorview here, but it doesnt allow an active-active mirror, we mount only the primary lun on both servers, and the mirror lun needs to be "promoted" to primary, and then mounted in case of a disaster recovery. We have a script to do that.

Regards,
Luis

--- On Thu, 1/22/09, Brian Kroth <bpkroth at gmail.com> wrote:
From: Brian Kroth <bpkroth at gmail.com>
Subject: Re: [Ocfs2-users] OCFS2 replication
To: "CA Lists" <lists at creativeanvil.com>
Cc: "ocfs2-users at oss.oracle.com" <ocfs2-users at oss.oracle.com>
Date: Thursday, January 22, 2009, 9:35 PM
Our iscsi San (equallogic) does block level replication so we were thinking of trying to set something up soon so that we could have some nodes in another building connected via fiber to provide site level failover.  I'll report back our experiences when we do that, but I imagine it would be similar to drdb with nice interconnect.

Brian

On Jan 22, 2009, at 2:08 PM, CA Lists <lists at creativeanvil.com<mailto:lists at creativeanvil.com>> wrote:
Can't say I've replicated it between two sites, but definitely between two physical servers. I used drbd in my particular case. Here's a small blog entry I put together a while back about what I did. Hopefully it's helpful:

http://www.creativeanvil.com/blog/2008/how-to-create-an-iscsi-san-using-heartbeat-drbd-and-ocfs2/


Joe Koenig



Creative Anvil, Inc.

Phone: 314.692.0338

1346 Baur Blvd.

Olivette, MO 63132

joe at creativeanvil.com<mailto:joe at creativeanvil.com>

http://www.creativeanvil.com


David Schüler wrote:
What about drbd?

________________________________
Von: ocfs2-users-bounces at oss.oracle.com<mailto:ocfs2-users-bounces at oss.oracle.com> [mailto:ocfs2-users-bounces at oss.oracle.com] Im Auftrag von Garcia, Raymundo
Gesendet: Donnerstag, 22. Januar 2009 20:46
An: ocfs2-users at oss.oracle.com<mailto:ocfs2-users at oss.oracle.com>
Betreff: Re: [Ocfs2-users] OCFS2 replication
RSYNC is not real time.... any other suggestion...? I treid RSYNC already...

From: ocfs2-users-bounces at oss.oracle.com<mailto:ocfs2-users-bounces at oss.oracle.com> [mailto:ocfs2-users-bounces at oss.oracle.com] On Behalf Of Sérgio Surkamp
Sent: Thursday, January 22, 2009 12:32 PM
Cc: ocfs2-users at oss.oracle.com<mailto:ocfs2-users at oss.oracle.com>
Subject: Re: [Ocfs2-users] OCFS2 replication

Try rsync.

Garcia, Raymundo wrote:
Hello... I am trying to replicate a OCFS2 filesystem in a site A to another OCFS@ based partition in another site B ... I have tried several products, inmage, steeleye.. etc without any luck.. those programs help me to replicate the filesystem but nnot the OCFS2 mounted ...    I assume that this is because that most software based replication system work on the block level instead of the file leve... I wonder is anyone have tried to replicate OCFS2 between 2 sites....

Thanks

Raymundo Garcia




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