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From: Juergen Gross <jgross@suse.com>
To: Ian Jackson <Ian.Jackson@eu.citrix.com>, Bob Liu <bob.liu@oracle.com>
Cc: paul.durrant@citrix.com, roger.pau@citrix.com, jbeulich@suse.com,
	xen-devel@lists.xen.org
Subject: Re: [RFC PATCH] xen-block: introduces extra request to pass-through SCSI commands
Date: Wed, 2 Mar 2016 08:39:51 +0100	[thread overview]
Message-ID: <56D698C7.9060505@suse.com> (raw)
In-Reply-To: <22229.55976.973606.604758@mariner.uk.xensource.com>

On 01/03/16 19:08, Ian Jackson wrote:
> Bob Liu writes ("Re: [RFC PATCH] xen-block: introduces extra request to pass-through SCSI commands"):
>> One thing I'm still not sure about PVSCSI is do we have the same security issue since LIO can interface to any block device.
>> E.g when using a partition /dev/sda1 as the PVSCSI-backend, but the PVSCSI-frontend may still send SCSI operates on LUN bases (the whole disk).
> 
> I don't think you can use pvscsi to passthrough a partition such as
> /dev/sda1.  Such a thing is not a SCSI command target.

It might be possible via the fileio target backend. In this case LUN
based SCSI operations are ignored/refused/emulated by LIO.


Juergen


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  reply	other threads:[~2016-03-02  7:39 UTC|newest]

Thread overview: 27+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2016-02-29  3:37 [RFC PATCH] xen-block: introduces extra request to pass-through SCSI commands Bob Liu
2016-02-29  8:12 ` Juergen Gross
2016-02-29 15:05   ` Konrad Rzeszutek Wilk
2016-02-29 15:34     ` Juergen Gross
2016-02-29  9:13 ` Paul Durrant
2016-02-29 14:55   ` Konrad Rzeszutek Wilk
2016-02-29 15:28     ` Paul Durrant
2016-02-29 15:35       ` Roger Pau Monné
2016-02-29 16:48         ` Konrad Rzeszutek Wilk
2016-02-29 16:56           ` Paul Durrant
2016-02-29 16:14 ` Ian Jackson
2016-02-29 16:29   ` Ian Jackson
2016-02-29 23:45     ` Bob Liu
2016-02-29 23:45     ` Bob Liu
2016-03-01 18:08       ` Ian Jackson
2016-03-02  7:39         ` Juergen Gross [this message]
2016-03-02  7:57           ` Bob Liu
2016-03-02 11:40             ` Ian Jackson
2016-03-02 11:46               ` Paul Durrant
2016-03-02 12:00                 ` Juergen Gross
2016-03-02 12:28               ` Bob Liu
2016-03-02 14:44                 ` Ian Jackson
     [not found]                   ` <20160302172257.GC27821@char.us.oracle.com>
2016-03-03 11:54                     ` Paul Durrant
2016-03-03 12:03                       ` Ian Jackson
2016-03-03 12:25                         ` Juergen Gross
2016-03-03 14:07                           ` Konrad Rzeszutek Wilk
2016-03-03 14:19                             ` Paul Durrant

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