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Re: [Qemu-devel] virtio-blk and virtio-scsi performance comparison


From: Paolo Bonzini
Subject: Re: [Qemu-devel] virtio-blk and virtio-scsi performance comparison
Date: Thu, 16 Apr 2015 13:57:16 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:31.0) Gecko/20100101 Thunderbird/31.5.0

On 16/04/2015 13:17, Konstantin Krotov wrote:
> In my production system i'm interested to use io=thread, becouse i
> export MD raid1 devices to guest's and i need to read from the MD device
> performs balanced between raid1 legs (it's true only if io=thread).

Can you detail the problem more?  That could be a kernel bug.

Paolo



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