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Re: [Qemu-ppc] Bug with REPORT LUNS in IBM VSCSI
From: |
Paolo Bonzini |
Subject: |
Re: [Qemu-ppc] Bug with REPORT LUNS in IBM VSCSI |
Date: |
Thu, 03 Oct 2013 10:05:38 +0200 |
User-agent: |
Mozilla/5.0 (X11; Linux x86_64; rv:17.0) Gecko/20130923 Thunderbird/17.0.9 |
Il 02/10/2013 18:05, Nathan Whitehorn ha scritto:
>
>> Both Linux and Windows scan each channel separately. Linux, in
>> addition, does not expect REPORT LUNS to use the logical unit addressing
>> method in the returned list of LUNs. The driver converts the
>> channel/target/LUN tuple to that addressing method when it builds the
>> SRP commands.
>
> Right, I see that. And this is an approach that works, but is really
> really ugly since it is assumes a fixed range of possible LUNs. It also
> relies on some kind of inference about which LUNs actually exist since
> SRP has no mechanism to report a non-existant "target" back to the host
> (since there is only one target, it can't have non-existant targets, so
> there is no mechanism for this).
I can certainly change REPORT LUNS to report all subtargets, but I need
to be careful and not break Linux...
Paolo
- [Qemu-ppc] Bug with REPORT LUNS in IBM VSCSI, Nathan Whitehorn, 2013/10/02
- Re: [Qemu-ppc] Bug with REPORT LUNS in IBM VSCSI, Paolo Bonzini, 2013/10/02
- Re: [Qemu-ppc] Bug with REPORT LUNS in IBM VSCSI, Nathan Whitehorn, 2013/10/02
- Re: [Qemu-ppc] Bug with REPORT LUNS in IBM VSCSI, Paolo Bonzini, 2013/10/02
- Re: [Qemu-ppc] Bug with REPORT LUNS in IBM VSCSI, Nathan Whitehorn, 2013/10/02
- Re: [Qemu-ppc] Bug with REPORT LUNS in IBM VSCSI,
Paolo Bonzini <=
- Re: [Qemu-ppc] Bug with REPORT LUNS in IBM VSCSI, Nathan Whitehorn, 2013/10/03
- Re: [Qemu-ppc] Bug with REPORT LUNS in IBM VSCSI, Nathan Whitehorn, 2013/10/05
- Re: [Qemu-ppc] Bug with REPORT LUNS in IBM VSCSI, Nathan Whitehorn, 2013/10/05
- Re: [Qemu-ppc] Bug with REPORT LUNS in IBM VSCSI, Paolo Bonzini, 2013/10/07
- Re: [Qemu-ppc] Bug with REPORT LUNS in IBM VSCSI, Nathan Whitehorn, 2013/10/18
- Re: [Qemu-ppc] Bug with REPORT LUNS in IBM VSCSI, Nikunj A Dadhania, 2013/10/04
- Re: [Qemu-ppc] Bug with REPORT LUNS in IBM VSCSI, Nathan Whitehorn, 2013/10/04