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Re: [Qemu-devel] qemu - SCSI disk "Device Model", "Serial Number", and "


From: Paolo Bonzini
Subject: Re: [Qemu-devel] qemu - SCSI disk "Device Model", "Serial Number", and "Firmware Version"?
Date: Tue, 07 Jun 2011 11:02:15 +0200
User-agent: Mozilla/5.0 (X11; U; Linux x86_64; en-US; rv:1.9.2.17) Gecko/20110428 Fedora/3.1.10-1.fc14 Lightning/1.0b3pre Mnenhy/0.8.3 Thunderbird/3.1.10

On 06/07/2011 10:11 AM, Kevin Wolf wrote:
> >  SMART is only available in ATA Version 3 Revision 3 or greater.
> >  We will try to proceed in spite of this.
> >  SMART support is: Ambiguous - ATA IDENTIFY DEVICE words 82-83 don't show 
if SMART supported.
> >                      Checking for SMART support by trying SMART ENABLE 
command.
> >                      SMART ENABLE appeared to work!  Continuing.
> >  SMART support is: Ambiguous - ATA IDENTIFY DEVICE words 85-87 don't show 
if SMART is enabled.
> >  A mandatory SMART command failed: exiting. To continue, add one or more 
'-T permissive' options
> >  -------------------------------------------------------
>
>  Here we should perhaps try to improve the ATA emulation.

But this is scsi-disk - what does smartctl even try here?

smartctl has to try anyway because libata shows IDE disks as /dev/sdX. I tried smartctl on a USB drive and it will happily run (and show no SMART support).

Paolo



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