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Re: [Qemu-devel] [PATCH 00/22] block: Support for 512b-on-4k emulation


From: Peter Lieven
Subject: Re: [Qemu-devel] [PATCH 00/22] block: Support for 512b-on-4k emulation
Date: Thu, 12 Dec 2013 11:26:06 +0100
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:24.0) Gecko/20100101 Thunderbird/24.1.1

Am 12.12.2013 10:47, schrieb Kevin Wolf:
> Am 12.12.2013 um 07:09 hat Peter Lieven geschrieben:
>> Should it be possible to boot from a 4K-native drive with this series?
>> If yes, I will run some test with some new iSCSI arrays we got for testing
>> they can export 4k blocksize LUNs.
> Yes, you should be able to use a 4k-native backend for a 512b-based
> guest with this series (at the cost of some performance, of course).
>
> Thanks for your testing offer!
>
>> Anyway, can you please include the patch from Paolo which sets
>> the bs->request_alignment = iscsilun->block_size in iscsi_open.
>> It should be a one-liner.
> Sure, I've included it now. For your test, it's probably easiest if you
> pull the updated version from here:
>
>     git://repo.or.cz/qemu/kevin.git align
>
> Do you think you'll run some tests already today? If so, I could wait a
> bit with sending out a v2 and see what your first results are.
I can do some basic testing like installing Linux and Windows on
such a partition and see if it succeeds.

Peter



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