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Re: [Qemu-devel] [RFC] block-trace Low Level Command Supporting Disk Int

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [RFC] block-trace Low Level Command Supporting Disk Introspection
Date: Wed, 22 May 2013 23:46:15 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130514 Thunderbird/17.0.6

Il 22/05/2013 22:47, Richard W.M. Jones ha scritto:
>> > 
>> > I meant if there was interest in reading from a disk that isn't fully
>> > synchronized
>> > (yet) to the original disk (it might have old blocks).  Or would you only
>> > want to
>> > connect once a (complete) snapshot is available (synchronized completely to
>> > some point-in.
> IIUC a disk which wasn't fully synchronized wouldn't necessarily be
> interpretable by libguestfs, so I guess we would need the complete
> snapshot.

In the case of point-in-time backups (Stefan's block-backup) the plan is
to have the snapshot complete from the beginning.


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