Actually, we use them for both. If the system doesn't need more than
two 145 gig drives, two nics, two processors and (I believe) two gigs of
ram we use the blades. If these requirements don't meet our needs, we
buy a normal server.
Nathaniel Hall, GSEC
Intrusion Detection and Firewall Technician
Ozarks Technical Community College -- Office of Computer Networking
halln@xxxxxxx
417-799-0552
Jason Staudenmayer wrote:
Yes that does help, thank you for clearing that up for me. I'm guessing they
would be geared towards "low powered" servers like DNS and not a major DB
server.
-----Original Message-----
From: Nathaniel Hall [mailto:halln@xxxxxxx]
Sent: Thursday, October 28, 2004 10:35 AM
To: General Red Hat Linux discussion list
Subject: Re: question.. not sure where to post..!!
The blade servers a separate server. I suppose you could
cluster them
using software, they are actually separate servers. We use
Dell blades
at the time. The shared chassis has a built in KVM and Gig switch.
Each blade that we order has two processors, two gigs of ram, two 145
gig SCSI drives raided together and, through the use of the
chassis, two
gig nics. A USB 1.1 floppy and CD-ROM is used for
installation (not at
the same time). 6 blades can fit into each 3 U chassis and
each chassis
( on the cheaper end) uses 120 volt power.
HP has a similar product, but the chassis is 6 U and uses 240
volt power
and can usually have 20 blades per enclosure. The main
reason for not
going with HP, other than power, was the hard drive. Instead
of using
normal SCSI drives, the model we looked at used IDE laptop
drives. The
laptop drives spin much slower than other drives, usually 5400 RPMs.
Hope that helped.
Nathaniel Hall, GSEC
Intrusion Detection and Firewall Technician
Ozarks Technical Community College -- Office of Computer Networking
halln@xxxxxxx
417-799-0552
Jason Staudenmayer wrote:
-----Original Message-----
From: Dave Ihnat [mailto:ignatz@xxxxxxxxxx]
Sent: Thursday, October 28, 2004 9:34 AM
To: General Red Hat Linux discussion list
Subject: Re: question.. not sure where to post..!!
On Thu, Oct 28, 2004 at 09:14:09AM -0400, Jason Staudenmayer wrote:
I'm thinking the same thing. You could just get a blade box
but I've never
played with one, so I'm not quit sure of how they function.
I would imagine
it's a cluster situation.
The biggest problem with blades today is that they're still
proprietary. I
won't touch 'em until there's enough of a standard that
you're not locked
into one manufacturer once you select a blade system.
--
Dave Ihnat
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Are they a cluster or can they act as separate machines?
(just for my own
knowledge).
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