> just curious, what tests did you get your numbers on for the average
> throughput?
> and an fyi, Digital Equipment AKA Compaq has several servers with multiple
> PCI buses if you need more slots.
>
> -----Original Message-----
> From: ADSML [mailto:adsml AT YIFAN DOT NET]
> Sent: Tuesday, October 26, 1999 10:46 AM
> To: ADSM-L AT VM.MARIST DOT EDU
> Subject: Re: ADSM/NT Server limitations.
>
>
> It's not a bad idea.  NT is a very cost-effective way of running an ADSM
> Server, assuming that's the only thing running on it - Very much the key
for
> any NT Server.
>
> 1) Through tests, Average Throughput Tends to top out at 30GB/hour.  20GB
is
> more reasonable.  Migration and Reclaimation can bring this down to under
> 10GB/hour.
> That shouldn't happen too often or config may need to change.
>
> 2) Total number of clients is unlimited, but simultaneous can top out @ 50
> comfortably.
>
> 3)   Generic Branding 4-5 PCI slots with PII or PIII CPUs.  Not too much
> difference with SMP models performance wise.
>
> 4)  Use UWSCSI at a minimum, very reasonable pricing these days.  SSA and
> FC-AL arrays are fine too, but SSA isn't always the best option.
>
> Best suggestions for PCs used as ADSM Servers...
>
> -- PII or PIII or AMD Athlon Processors (133MHz CPUs very nice right now)
>     Merced will set all these back a few years.
> -- CAS-2 SDRAM, branded PC-100 or PC-133
> -- Multiple SCSI channels/buses into one that contains your WinNT bootup
> drive, and others for storage equip.
> -- Networking...Fast Ethernet is reasonable, for performance go fiber.
>
> All of this equipment does have a "noticable" performance effect on your
> system.  And at the prices seen, can very much be in the ballpark.
>
> ADSML
>
>
> ----- Original Message -----
> From: Kyle Payne <payne AT BERBEE DOT COM>
> To: <ADSM-L AT VM.MARIST DOT EDU>
> Sent: Tuesday, October 26, 1999 9:07 AM
> Subject: ADSM/NT Server limitations.
>
>
> > ADSMers,
> >         We recently proposed an ADSM solution with an HP-UX V-class
> machine as the
> > ADSM server.  We were asked by upper management why not a NT as the ADSM
> > server.  Ok, many of you will laugh, I'm sorry but please hold your
> > comments.  To the rest of you, I honestly need to know what the
> limitations
> > of NT are so we could tell them how many NT machines it would take.  I
am
> > looking for the following:
> > 1)  Any through put numbers you might have.  I have heard NT can handle
up
> > to 50 GB an hour with V3.1.2.40 and up to 80 GB with V3.7.
> > 2)  Number of clients you have connected an NT based ADSM server.  Can
it
> > handle 50 -100, 100 -200, or 200 + clients?
> > 3)  We are finding that it may be an expansion slot issue.  What Intel
> > machines are you using and how many slots do they have?
> > 4)  Any other information you feel might be of use to us.
> >
> > Thank you in advance for your comments,
> >         Kyle
> > ~~~~~~~~~~~~~~
> > payne AT berbee DOT com
> > ~~~~~~~~~~~~~~
> >
>