From: Guest section DW <dwguest@win.tue.nl>
To: "Thomas Tanner" <tanner@ffii.org>, <linux-kernel@vger.kernel.org>
Subject: Re: harddisk suddenly locked?!
Date: Wed, 1 Aug 2001 02:05:39 +0200 [thread overview]
Message-ID: <20010801020539.A11083@win.tue.nl> (raw)
In-Reply-To: <MABBKEJEMCFLBEDCGCDNGEABCAAA.tanner@ffii.org>
In-Reply-To: <MABBKEJEMCFLBEDCGCDNGEABCAAA.tanner@ffii.org>; from Thomas Tanner on Tue, Jul 31, 2001 at 01:00:07PM +0200
On Tue, Jul 31, 2001 at 01:00:07PM +0200, Thomas Tanner wrote:
> I can't access the data on my harddrive any longer ;-((
>
> The IBM Disk Fitness Test tool tells me:
> Model : IBM-DJNA-372200
> Microcode level : J71OA30K
> ATA Compliance : ATA-4
> Security feature : Supported
> Password : Set
> Password level : High
> Security mode : Locked
>
> However, I haven't set any password. I don't even know how to set it!!
> My system is (was) Linux 2.4.7 with PIIX support and "SCSI over IDE"
> enabled,
> I wanted to start XWindows (4.01). However, it switched the video mode and
> suddenly locked up for ~10 sec. I pressed Ctrl-Alt-Backspace/Del
> After some seconds it responded and seemed to shut down as usual.
> Since then the hd is locked and I don't know why.
Better shield your monitor?
> According to the ATA-3 specification
ATA-4 is also online.
> To unlock a drive one has to send the command SECURITY UNLOCK (0xBB)
> and transfer a single sector to the drive:
Maybe someone has already done it. Otherwise you'll have to play a little
with the code. It is easy. You could try to take setmax and hdparm as example
and add an ioctl that combines HDIO_DRIVE_TASK and HDIO_DRIVE_CMD.
prev parent reply other threads:[~2001-08-01 0:05 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
2001-07-31 11:00 Thomas Tanner
2001-07-29 20:58 ` Alan Cox
2001-08-02 20:57 ` Dan Hollis
2001-08-02 21:09 ` Alan Cox
2001-08-01 0:05 ` Guest section DW [this message]
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