RE: [PATCH 1/2] md bitmap bug fixes

Oh!  I never read it like you just said.  I have been reading it like copy
in both directions based on both bitmaps!  What you said below, seems
reasonable.

Guy

-----Original Message-----
From: Lars Marowsky-Bree [mailto:lmb@suse.de] 
Sent: Saturday, March 19, 2005 12:54 PM
To: Guy; 'Peter T. Breuer'; linux-raid@vger.kernel.org
Subject: Re: [PATCH 1/2] md bitmap bug fixes

On 2005-03-19T12:44:14, Guy [off-list ref] wrote:

In the case of a split brain, I think one must be 100% voided, and a full
re-sync must be done.

Exactly. And that's where the bitmaps come into play; you can look at
what is modified on each side, merge those sets, and copy all affected
blocks from one side to the other; afterwards, you'll have a consistent
block device again.


Sincerely,
    Lars Marowsky-Brée [off-list ref]

-- 
High Availability & Clustering
SUSE Labs, Research and Development
SUSE LINUX Products GmbH - A Novell Business

-
To unsubscribe from this list: send the line "unsubscribe linux-raid" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at  http://vger.kernel.org/majordomo-info.html