Date: Fri, 24 Apr 1998 17:41:32 -0700 From: Don Wilde <don@partsnow.com> To: Tom <tom@sdf.com> Cc: freebsd-hardware@FreeBSD.ORG Subject: Re: *** Real Action Item: SPECweb Message-ID: <3541313C.FBA148E3@partsnow.com> References: <Pine.BSF.3.95q.980424164549.11519A-100000@misery.sdf.com>
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Tom wrote: > SCSI-to-SCSI RAID boxes impose latency. Plus the most you can get out a > single array is 40MB/s (or 80MB/s with Ultra2). > Figured as much, TNX. > DPT still uses SCSI, but only to talk to the drives. It talks to the > host via PCI (132MB/s), not SCSI that the stand-alone RAID boxes use. > Do they use just one chain or do they have the state machine designed to interface each drive separately? > Don't buy anything Compaq. Agreed, I've been burned too. > > Buy a server class motherboard from Intel. I think they make some nice > one with lots of PCI slots. Don't intend to buy, I expect Intel (or somebody) to GIVE me one to play with :) How's this for a scenario: We get an 8-slot passive-PCI chassis (or one of those SuperMicro's that was mentioned before) with a P-II/400 on its master, then put 2 DPT's each with 3-4 small FW-SCSI3 disks and populate the other 5 slots with the Intel intelligent 100/Pro cards. -- oooOOO O O O o * * * * * * o ___ _________ _________ ________ _________ _________ ___==_ V_=_=_DW ===--- Don Wilde [don@PartsNow.com] [http://www.PartsNow.com ] /oo0000oo-oo--oo-ooo---ooo-ooo---ooo-ooo--ooo-ooo---ooo-ooo---ooo-oo--oo To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-hardware" in the body of the message
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