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List:       drbd-user
Subject:    Re: [DRBD-user] The 8.2 branch
From:       Philipp Reisner <philipp.reisner () linbit ! com>
Date:       2009-08-26 16:21:46
Message-ID: 200908261821.47179.philipp.reisner () linbit ! com
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On Wednesday 26 August 2009 16:19:55 Johnny Hughes wrote:
> I see that the 8.3 branch "Supersedes 8.2" ... does this mean there are
> no more changes to 8.2 and it is orphaned?  Or are you maintaining 8.2
> for a period along with 8.3?
>

As of today, there will be not more 8.2 releases.

DRBD 8.3 is compatible, it will accept from 8.2:
- configuration (*1)
- wire protocoll
- meta data on disk

... and upgrade from 8.2 to 8.3 is completely seamless, and can 
be done in as "rolling upgrade".

> I am trying to decide how to handle the 8.2 to 8.3 transition in CentOS
> Extras (a conflict or an obsolete in RPM).

I think is should be the natural upgrade path.

(*1)
  The "outdate-peer "handler got renamed to "fence-peer", but the
  parser accepts both. Automatic update of the config file could
  by done by "drbdadm dump all > /etc/drbd.conf_new"

The reason that it is called "drbd-8.3" instead of "drbd-8.2"
because a number of new features got included (stacking),
but there where not fundamental internal changes.

-Phil
-- 
: Dipl-Ing Philipp Reisner
: LINBIT | Your Way to High Availability
: Tel: +43-1-8178292-50, Fax: +43-1-8178292-82
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