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From: Stefan Hajnoczi <stefanha@gmail.com>
To: "Spensky, Chad - 0559 - MITLL" <chad.spensky@ll.mit.edu>
Cc: Fam Zheng <famz@redhat.com>,
	"kvm@vger.kernel.org" <kvm@vger.kernel.org>,
	wolf@cs.cmu.edu
Subject: Re: KVM Block Device Driver
Date: Wed, 14 Aug 2013 16:07:29 +0200	[thread overview]
Message-ID: <20130814140729.GD28039@stefanha-thinkpad.redhat.com> (raw)
In-Reply-To: <CE30E1FB.E01E%chad.spensky@ll.mit.edu>

On Wed, Aug 14, 2013 at 07:29:53AM -0400, Spensky, Chad - 0559 - MITLL wrote:
>   We are trying to keep an active shadow copy while the system is running
> without any need for pausing.  More precisely we want to log every
> individual access to the drive into a database so that the entire stream
> of accesses could be replayed at a later time.

CCing Wolfgang Richter who was previously interested in block I/O
tracing:
https://lists.nongnu.org/archive/html/qemu-devel/2013-05/msg01725.html

Stefan

  parent reply	other threads:[~2013-08-14 14:07 UTC|newest]

Thread overview: 16+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2013-08-13 20:13 KVM Block Device Driver Spensky, Chad - 0559 - MITLL
2013-08-14  2:40 ` Fam Zheng
2013-08-14 10:05   ` Stefan Hajnoczi
2013-08-14 11:29     ` Spensky, Chad - 0559 - MITLL
2013-08-14 12:16       ` Fam Zheng
2013-08-14 12:19         ` Spensky, Chad - 0559 - MITLL
2013-08-14 12:35           ` Fam Zheng
2013-08-14 14:07       ` Stefan Hajnoczi [this message]
2013-08-14 14:40         ` Wolfgang Richter
2013-08-14 14:43           ` Spensky, Chad - 0559 - MITLL
2013-08-14 15:02             ` Wolfgang Richter
2013-08-14 15:49               ` Wolfgang Richter
2013-08-14 18:44                 ` Spensky, Chad - 0559 - MITLL
2013-08-14 19:42                   ` Wolfgang Richter
2013-08-18 14:04                   ` Paolo Bonzini
2013-08-18 14:48                     ` Wolfgang Richter

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