Re: Repository synchronization between two cvs server

[Todd Denniston]

Arthur Barrett wrote:
> Nithin.v.r,
>
>
> > Some users are working on cvs server1 for 
> > Project1. Other some users are working on 
> > cvs server2 at remote location for same 
> > Project(Project1).
> >
> > I need to merge (synchronised merging)  
> > between these two cvs server repositories 
> > without any data lose and end result to be 
> > one repository(project1) that should
> > be same (mirrored copy) in both cvs server
> > This process should be conducted in regular 
> > interwel.
>
>
> This is a contentious topic.
>
> CVS was designed for use on networks much slower than todays, and so
> therefore operates well in a multi site environment without the need for
> repository replication.
>
> However there are some good business reasons for repository replication
> and there are various tools to help you do that, eg: cvsup, rsync,
> unison.  However none of these will give you specifically what you are
> asking for.

For disaster recovery replication of CVS and other on disk data, if you are 
using Linux servers, you may also want to look at drbd.
http://www.drbd.org/
http://linux-ha.org/DRBD
http://lists.linbit.com/mailman/listinfo/drbd-user

> CVSNT (free/GPL for Unix/Linux, Windows etc) supports in-built basic
> repository replication and access control for free or you can contact
> the company I work that wrote CVSNT to implement a more comprehensive
> solution closer to what you have asked for.  There are many CVS
> consultants who will implement multi site solutions for you in addition
> to us listed here:
> http://ximbiot.com/cvs/wiki/index.php?title=Commercial_Support
>
> However let me stress - CVS does not require repository replication in
> order to allow teams of people at multiple locations to efficiently use
> the server.  Replication strategies should address a business
> requirement (eg: disaster recovery) and be designed to address those
> requirements and have a tangible cost/benefit.
>
> The core requirement of your versioning system is NOT replication, so if
> you do require support - in my opinion a solution from Ximbiot or March
> Hare who have developed CVS/CVSNT for many years for the open source
> community and have intimate knowledge and of the underlying foundations
> will serve you best.
>
> Regards,
>
>
> Arthur Barrett


--
Todd Denniston
Crane Division, Naval Surface Warfare Center (NSWC Crane)
Harnessing the Power of Technology for the Warfighter