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Re: [Qemu-discuss] How to connect megasas to its backend?

From: Hannes Reinecke
Subject: Re: [Qemu-discuss] How to connect megasas to its backend?
Date: Tue, 07 Apr 2015 08:50:09 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.2.0

On 04/03/2015 08:40 AM, Ming Lin wrote:
> Hi,
> For nvme, it uses "drive=" property to connect to backend.
> -drive file=/path/to/image,if=none,id=foo -device nvme,drive=foo,serial=1234
> But megasas doesn't have "drive" property.
> Could you share qemu commands to connect megasas device to its backend drive?
Of course megasas doesn't. Megasas is a SCSI HBA emulation, not a
SCSI device emulation.

You'd have to use two device specifications here:

-drive file=/path/to/image,if=none,id=foo -device megasas,id=raid
-device scsi-disk,drive=foo,serial=1234,bus=raid.0


-device scsi-disk,drive=foo,serial=1234,scsi-id=0


Dr. Hannes Reinecke                            zSeries & Storage
address@hidden                                 +49 911 74053 688
SUSE LINUX GmbH, Maxfeldstr. 5, 90409 Nürnberg
GF: F. Imendörffer, J. Smithard, J. Guild, D. Upmanyu, G. Norton
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