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From: Paolo Bonzini <pbonzini@redhat.com>
To: Orit Wasserman <owasserm@redhat.com>
Cc: kwolf@redhat.com, Stefan Hajnoczi <stefanha@linux.vnet.ibm.com>,
	dlaor@redhat.com, qemu-devel@nongnu.org,
	fujita.tomonori@lab.ntt.co.jp,
	Ronnie Sahlberg <ronniesahlberg@gmail.com>,
	hch@lst.de
Subject: Re: [Qemu-devel] [PATCH] This patch adds a new block driver : iSCSI
Date: Thu, 15 Sep 2011 14:58:35 +0200	[thread overview]
Message-ID: <4E71F67B.3@redhat.com> (raw)
In-Reply-To: <1316090109.29180.43.camel@dhcp-1-120.tlv.redhat.com>

On 09/15/2011 02:34 PM, Orit Wasserman wrote:
>> >  Then you need an iSCSI*target*  that understands qcow2, like qemu-nbd
>> >  but for iSCSI... that's exactly the thing you were worried about
>> >  implementing.
>
> Not really , this is just part of the target configuration.
> For each file in the chain we create a lun in the target that is backed
> by the file and we number the luns in chronological order (base is lun
> 1) . you can look at a tgtd configuration here
> http://wiki.qemu.org/Features/LiveBlockMigration#Example_single_base_master_image.

That's surely a weird way to use iSCSI. :)

It's clever, but I would call that shared storage, since you need to 
share the details of the snapshot chain between the source and 
destination, down to the file names.  We need a more precise nomenclature.

Paolo

  reply	other threads:[~2011-09-15 12:58 UTC|newest]

Thread overview: 64+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-09-10  4:23 [Qemu-devel] [PATCH] Add iSCSI support for QEMU Ronnie Sahlberg
2011-09-10  4:23 ` [Qemu-devel] [PATCH] This patch adds a new block driver : iSCSI Ronnie Sahlberg
2011-09-12  9:14   ` Stefan Hajnoczi
2011-09-14 14:36     ` Christoph Hellwig
2011-09-14 15:50       ` Stefan Hajnoczi
2011-09-16 15:53         ` Christoph Hellwig
2011-09-17  7:11           ` Stefan Hajnoczi
2011-09-14 22:51       ` ronnie sahlberg
2011-09-15  8:02         ` Daniel P. Berrange
2011-09-15  9:03         ` Kevin Wolf
2011-09-14 23:08     ` ronnie sahlberg
2011-09-15  6:04       ` Paolo Bonzini
2011-09-15  8:48         ` Dor Laor
2011-09-15  9:11           ` Paolo Bonzini
2011-09-15 11:27             ` ronnie sahlberg
2011-09-15 11:42             ` Dor Laor
2011-09-15 11:46               ` Christoph Hellwig
2011-09-15 12:01                 ` Dor Laor
2011-09-15 12:04                   ` Paolo Bonzini
2011-09-15 11:58               ` Paolo Bonzini
2011-09-15 12:34                 ` Orit Wasserman
2011-09-15 12:58                   ` Paolo Bonzini [this message]
2011-09-15 16:59                     ` Orit Wasserman
2011-09-15  9:44           ` Daniel P. Berrange
2011-09-15  9:10         ` Kevin Wolf
2011-09-15  9:39           ` Paolo Bonzini
2011-09-21  9:48     ` ronnie sahlberg
2011-09-23  9:15   ` Mark Wu
2011-09-23 10:16     ` Paolo Bonzini
2011-09-12  8:56 ` [Qemu-devel] [PATCH] Add iSCSI support for QEMU Kevin Wolf
2011-09-14 12:24   ` Orit Wasserman
2011-09-14 14:33     ` Christoph Hellwig
2011-09-14 14:37     ` Christoph Hellwig
2011-09-14 15:35       ` Stefan Hajnoczi
2011-09-14 15:40         ` Christoph Hellwig
2011-09-14 15:51           ` Stefan Hajnoczi
2011-09-14 16:36             ` Orit Wasserman
2011-09-15  6:06               ` Paolo Bonzini
2011-09-15  9:52                 ` Orit Wasserman
2011-09-15  9:55                   ` Paolo Bonzini
2011-09-15 10:10                     ` Kevin Wolf
2011-09-17 19:08                 ` Laurent Vivier
2011-09-18  7:43                   ` Paolo Bonzini
2011-09-14 16:37             ` Paolo Bonzini
2011-09-14 22:46     ` ronnie sahlberg
  -- strict thread matches above, loose matches on Subject: below --
2011-09-21  9:37 Ronnie Sahlberg
2011-09-21  9:37 ` [Qemu-devel] [PATCH] This patch adds a new block driver : iSCSI Ronnie Sahlberg
2011-09-21  9:45   ` Paolo Bonzini
2011-09-21  9:52     ` ronnie sahlberg
2011-09-27 20:08       ` ronnie sahlberg
2011-09-28  5:54         ` Paolo Bonzini
2011-09-29  6:54   ` Stefan Hajnoczi
2011-10-09 20:46     ` ronnie sahlberg
2011-10-13  9:46       ` ronnie sahlberg
2011-10-13  9:48         ` Paolo Bonzini
2011-10-13  9:54         ` Stefan Hajnoczi
2011-10-13 10:01         ` Daniel P. Berrange
2011-10-13 10:55           ` Daniel P. Berrange
2011-10-13 10:52         ` Kevin Wolf
2011-10-24 13:33   ` Kevin Wolf
2011-10-25  8:04     ` ronnie sahlberg
2011-10-25  8:17       ` Kevin Wolf
2011-10-25  8:23         ` ronnie sahlberg
2011-10-25  8:46           ` Kevin Wolf
2011-10-28 10:46   ` Zhi Yong Wu

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