Server Advice Wanted.

Hi all,

I had recently a request for a project from a customer and I need some
advice.

This project requires a database program for a library.
Must be able to categorize and keep information on varius
books and the ability to convert books in to electronic
documents. The strange thing is that there is a
roule against OCRs and the library is hooge at least
100.000 books. After some calculations using the
requirements of each pictures and an average of
pages per book given by the customer I have came
to the result that I need aproximetly 3.2 TB in
order to hold the pictures. Now since this customer
requires a 24/7 up time with aproximetly 50 concarent
users.

I need some advice for
1) hardware
2xComputer with a 8TB SCSI Raid 5 (4TB for work and 4TB Mirroring)
One for a day to day work and one for mirroring in case something
goes realy wrong with the first to give me a couple of days to
respond (travel to customer 500~700KM from my office).
2) Tape Streamers capable to back up at least 4TB once or twice a week
and take incremental backups with the ability to work with the
database server.
3) Database server capable serving 20~30MB per second on 50 concarent
users
4) gigabit switchies/hubs routers and cables either ethernet or Fibre
Optic

I am thinging to use Oracle for this customer any other recomendations
with technical links will be appreciated.

By the way I do not expect 0.8 terra byte increase of the database
after the images have scanned for the next 10 years I expect an
increase of around 5GB every year but I want to be safe.

Regards
Yannis.
.

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