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тАО06-29-2007 11:26 AM
тАО06-29-2007 11:26 AM
DEC RWZ52 optical drive installation
I am totally new to VAX/VMS, I am trying to connect an external scsi optical drive (DEC RWZ52)to my VAX4000-105. run sho dev at >>> prompt show detection as *KA100, but after system was booted, the device is not shown. Checked this forum for answer to problem, there is a similar posted by "bbetts", he did resolved the problem by loading the driver using sysgen and connect command, but did not show detail instruction.
Please help! Thanks in advance.
Khanh
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тАО06-29-2007 06:59 PM
тАО06-29-2007 06:59 PM
Re: DEC RWZ52 optical drive installation
it looks like you may need to have the OSDS/OSMS software installed to be able to connect a RWZ52 WORM drive using WDDRIVER and WD$STARTUP.COM
Volker.
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тАО06-30-2007 09:19 PM
тАО06-30-2007 09:19 PM
Re: DEC RWZ52 optical drive installation
Thanks
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тАО06-30-2007 09:31 PM
тАО06-30-2007 09:31 PM
Re: DEC RWZ52 optical drive installation
Because of the way the drive works you need a layer of software between the operating system and the device to process the file system data. A "write once" drive cannot have a block that's already been written written again - and a normal file system relies on reading and updating certain disc blocks to maintain the underlying structures. Obviously that can't happen with an optical "write once" drive. Even with a re-writable optical drive it's a slow process, so for performance reasons the file system metadata is usually cached in memory anyway.
For these drives a company called US Design wrote a driver and intermediate layer that handles this. It's known as OSMS or OSDS depending which version you have and which drives / jukeboxes you have.
So, in order to use these drives you need to have that additional layered product software. As far as I can remember you should find the OSDS / OSMS software on the VAX layered product CDs. Install it, configure it and it should work.
Good luck.
Cheers, Colin (http://www.xdelta.co.uk).
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тАО07-01-2007 09:39 AM
тАО07-01-2007 09:39 AM
Re: DEC RWZ52 optical drive installation
"us design" site:h71000.www7.hp.com
DIGITAL retired the magneto-optical (MO) hardware and software, and transferred it all over to US Design over a decade or so ago. (IIRC, this dates back to DIGITAL days, and prior to Compaq and HP.)
Now most folks use DVD for this sort of RWZ-series task. The usual path for existing RWZ-series media involves migrating the data over to DVD or such, and scrapping the old hardware.
US Designs does offer (far) newer products in this product space, too -- and US Design is specifically partnering with HP for MO widgets, according to their web site...
http://www.usdesign.com/ProductOverview.html
The replacement software is the US Design OSS software package.