Date: Fri, 23 Feb 1996 14:26:28 -0500 (EST) From: Rashid Karimov <rashid@rk.ios.com> To: hackers@freebsd.org Subject: Disk perf. with different HDs/Adapt. Message-ID: <199602231926.OAA08588@rk.ios.com>
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Hi there folx, Who are Today's Fastest ? :) I mean the combination of motherboard/SCSI HD/SCI adapter that delivers max perfomance ? max read/write speed etc ? I have different values here on ASUS 133/166 Mhz P5, 150/200Mhz PPro machines( with mucho deprecated PCI set) and RAID Arrays. For example (command is: dd if=/dev/rsd0a of=/dev/null count=200 bs=64k) P166/ASUS/Aha2940(not wide,Seagate): 13107200 bytes transferred in 2 secs (6553600 bytes/sec) P133(other stuff the same) 52428800 bytes transferred in 8 secs (6553600 bytes/sec) P6-200Mhz(the same, runs INND and ~130 readers + 2 feeds at the time of the test): 13107200 bytes transferred in 3 secs (4369066 bytes/sec) real slow comparing to the "regular" PCI chip like one in P5 ASUSes P5-166(Bustec Wide SCSI, Seagate 32250W, under BSDI) - ~8700000 bytes/sec P6-200 ASUS( hate it!) with RAID array ( all in HW no special drivers reqd) - only 3Mb/sec ! So ... any1 here has some info on the topic to share? I'd really like to know read speed on ftp.freebdf.org ( I wasnt able to get Alder here :)) Any considerations of what to do to make the system fly ? What's the max one saw with Wide Adaptors ? 100Mb ethernet ? Rashid
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