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Re: [Qemu-devel] [RFC V8 01/24] qcow2: Add journal specification.

From: Benoît Canet
Subject: Re: [Qemu-devel] [RFC V8 01/24] qcow2: Add journal specification.
Date: Wed, 17 Jul 2013 00:45:30 +0200
User-agent: Mutt/1.5.21 (2010-09-15)

> > Simple is good.  Even for deduplication alone, I think data integrity is
> > critical - otherwise we risk stale dedup metadata pointing to clusters
> > that are unallocated or do not contain the right data.  So the journal
> > will probably need to follow techniques for commits/checksums.

I'll add checksums to the journal and clean the journal entry size mess soon.

For the transactional/commits aspect of the journal I think that we need Kevin's
point of view on the subject.

Best regards


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