|Subject:||Re: [Qemu-discuss] 答复: How to connect megasas to its backend?|
|Date:||Tue, 07 Apr 2015 09:46:15 +0200|
|User-agent:||Mozilla/5.0 (Windows NT 6.3; WOW64; rv:31.0) Gecko/20100101 Thunderbird/31.6.0|
On 07/04/2015 09:05, Yu Hou (侯雨) wrote:
Please start your own thread next time.Hi, all, may I ask a question? How to write the -drive and -device parameter to specify two files to work as two partitions/drivers in qemu? I am hoping to use virtio-blk-device, thanks!
Simply provide more than one pair of --device and --drive
options, one for each virtual drive.
If using virtio-blk-device, there is no option for a
virtual SCSI adapter, otherwise multiple drives can share
a single SCSI adapter.
________________________________________ Hannes Reinecke <address@hidden> 发送时间: 2015年4月7日 14:50 收件人: Ming Lin 抄送: address@hidden 主题: Re: [Qemu-discuss] How to connect megasas to its backend? 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 or -device scsi-disk,drive=foo,serial=1234,scsi-id=0
Enjoy Jakob -- Jakob Bohm, CIO, Partner, WiseMo A/S. https://www.wisemo.com Transformervej 29, 2860 Søborg, Denmark. Direct +45 31 13 16 10 This public discussion message is non-binding and may contain errors. WiseMo - Remote Service Management for PCs, Phones and Embedded
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