Horst Herb wrote:
On Mon, 21 Nov 2005 14:56, Greg Twyford wrote:
I've yet to see a medical centre prepared to spring for two good
servers. One is hard enough. I had a win in April with a HP G4 series
bundle with 3.2GHz Xeon, dual processor capability, SCSI RAID 1 and
redundant everything for $5k. Goes very well, we'll see what happens
with MD3, though.
Guess it is difficult to say what is "good".
Too much money is spent on
- too powerful processors (a 3.2 GHz Xeon is surely an overkill for anything
less than 20 clients connected simultaneously, and an Athlon64 would deliver
superior processor power while producing substantially less heat)
- too powerful graphics adapters that do nothing else but generate lots of
heat on servers that shouldn't have a display attached in the first place.
The HP box had redundant power supplies, redundant hot-swap RAM
capability, SCSI RAID 1 standard, top quality cooling, etc. to ensure
best reliability as possible and be ready for MD3.
Too little money is spent on
- RAM (surgeries usually need MORE on the servers),
- quality power supplies,
- quality switches
It has 1 GB of ECC PC3200 SDRAM. It has a D-Link gigabit switch and
onboard Gigabit NICs on the server and all the new desktops used in the
consulting rooms.
SCSI is not providing any value for money any more when compared to SATA, and
the way to go nowadays are external autonomous SATA RAID boxes which require
no drivers etc. and can simply be plugged into the eSATA connector of a
diskless spare server in case of server failure
Except that they are rated for continuous operation owing to not using
the shitty fluid dynamic bearings used in all desktop SATA and IDE HDDs
now. If you buy IDE or SATA RAID, also buy spare drives, as you'll need
them.
Greg
--
Greg Twyford
Information Management & Technology Program Officer
Canterbury Division of General Practice
E-mail: [EMAIL PROTECTED]
Ph.: 02 9787 9033
Fax: 02 9787 9200
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