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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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