[Top][All Lists]

[Date Prev][Date Next][Thread Prev][Thread Next][Date Index][Thread Index]

Re: [Qemu-devel] [PATCH 1/5] scsi-disk: removable hard disks support STA

From: Paolo Bonzini
Subject: Re: [Qemu-devel] [PATCH 1/5] scsi-disk: removable hard disks support START/STOP
Date: Mon, 23 Jul 2012 18:50:19 +0200
User-agent: Mozilla/5.0 (X11; Linux x86_64; rv:13.0) Gecko/20120615 Thunderbird/13.0.1

Il 23/07/2012 18:44, Blue Swirl ha scritto:
>> > Support for START/STOP UNIT right now is limited to CD-ROMs.  This is 
>> > wrong,
>> > since removable hard disks (in the real world: SD card readers) also 
>> > support
>> > it in pretty much the same way.
> I remember vaguely tuning a set of large SCSI hard disks
> (non-removable) so that they all didn't start immediately at the same
> time (which could have burned out the PSU) but only with START UNIT
> command. I think Linux or maybe even the BIOS started the drives
> (nicely in sequence) before accessing the drive.

Yes, all disks do start/stop.  Removable disks support load and eject in
addition.  I'll fix the commit message.


reply via email to

[Prev in Thread] Current Thread [Next in Thread]