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Date: Sat, 24 Dec 2005 17:57:31 -0500 (EST)
From: Justin Piszcz <jpiszcz@lucidpixels.com>
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To: Jonathan Corbet <corbet@lwn.net>
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Subject: Re: Tape Drive Question (2.6.14.4) 
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Ahhh, ok thanks!

Justin.

On Sat, 24 Dec 2005, Jonathan Corbet wrote:

>> $ ls -l /dev/st0*
>> crw-rw-rw-  1 root tape 9,  0 2004-09-18 07:51 /dev/st0
>> crw-rw-rw-  1 root tape 9, 96 2004-09-18 07:51 /dev/st0a
>> crw-rw-rw-  1 root tape 9, 32 2004-09-18 07:51 /dev/st0l
>> crw-rw-rw-  1 root tape 9, 64 2004-09-18 07:51 /dev/st0m
>>
>> What differentiates st0 from a,l,m?
>> What does writing or reading to a tape using a,l,m signify?
>
> By default, they're all the same.  You can tweak the driver parameters,
> however, to cause the different devices to use different densities and
> blocking modes.  See mt(1) and Documentation/scsi/st.txt.
>
> jon
>
> Jonathan Corbet
> Executive editor, LWN.net
> corbet@lwn.net
>