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Re: [Qemu-devel] [RFC V8 01/24] qcow2: Add journal specification.
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From: |
Benoît Canet |
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Subject: |
Re: [Qemu-devel] [RFC V8 01/24] qcow2: Add journal specification. |
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Date: |
Wed, 17 Jul 2013 00:45:30 +0200 |
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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
Benoît
- Re: [Qemu-devel] [RFC V8 01/24] qcow2: Add journal specification., (continued)