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Re: [Qemu-devel] [PATCH] block/iscsi: use 16 byte CDBs only when necessa

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH] block/iscsi: use 16 byte CDBs only when necessary
Date: Tue, 17 Jun 2014 13:15:29 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.5.0 
Il 17/06/2014 08:14, Peter Lieven ha scritto:




BTW, while debugging a case with a bigger storage supplier I found
that open-iscsi seems to do exactly this undeterministic behaviour.
I have a 3TB LUN. If I access < 2TB sectors it uses READ10/WRITE10 and
if I go beyond 2TB it changes to READ16/WRITE16.


Isn't that exactly what your latest patch does for >64K sector writes? :)

It's the reason why I haven't merged that patch yet.

Paolo
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