From mboxrd@z Thu Jan  1 00:00:00 1970
Message-ID: <3420a02f2a00b8f8232a27812b0126c8@plan9.bell-labs.com>
Date: Tue, 19 Apr 2005 10:07:26 -0400
From: jmk@plan9.bell-labs.com
To: 9fans@cse.psu.edu
Subject: Re: [9fans] fs + jukeboxes + non-WORM MO drives
In-Reply-To: <20050419090123.GJ6515@xware.cx>
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We have 2 HP Surestore Optical jukeboxes, one is filled with RW
platters, the other with WO. The fs kernel doesn't care.

--jim

On Tue Apr 19 05:02:17 EDT 2005, xfire-9fans@xware.cx wrote:
> OK, this could be trivial or not...
> 
> I am wondering if anybody knows if the current (4e) version of the
> fileserver kernel can work with a MO jukebox that is using non-WORM
> cartridges.  That is, an MO jukebox which uses the standard SCSI
> random access read/write commands to store and read data.
> 
> If not, how hard would it be to 'fix' the file server kernel so it
> does?  (And does anybody have some good starting points on where to
> start with such a modification).
> 
> All the material currently refers to the use of single drives as
> Fake-WORMs, or the use of WORM catridges in such jukeboxes.  Whilst
> the jukeboxes I do have support WORM and support the appropriate
> commandset, I do not possess enough WORM catridges to operate it in
> this mode, and would rather run it using the large stack of rewritable
> cartridges I have on hand.
> 
> Thanks,
> C.