Date: Mon, 09 May 2005 20:48:54 -0700 From: Peter Kieser <pfak@telus.net> To: Mike Tancsa <mike@sentex.net>, freebsd-hackers@freebsd.org Subject: Re: Low HDD tranfer rate with FreeBSD 5.3-Release Message-ID: <42802F26.3090909@telus.net> In-Reply-To: <ej4081lgb5qj5642mmdd6efpqkjde70pbj@4ax.com> References: <427FA802.90805@chamkila.org> <427FA8CD.8040405@centtech.com> <427FAB5F.6070508@chamkila.org> <ej4081lgb5qj5642mmdd6efpqkjde70pbj@4ax.com>
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ad0: 78167MB <Maxtor 4R080J0/RAMB1TU0> [158816/16/63] at ata0-master UDMA133 su-2.05b# dd if=/dev/zero of=/tmp/test bs=8192 count=30000 30000+0 records in 30000+0 records out 245760000 bytes transferred in 4.090394 secs (60082231 bytes/sec) ad0: 239372MB <Maxtor 6B250R0/BAH41E00> [486344/16/63] at ata0-master UDMA133 su-2.05b# dd if=/dev/zero of=/tmp/test bs=8192 count=30000 30000+0 records in 30000+0 records out 245760000 bytes transferred in 3.639685 secs (67522324 bytes/sec) Mike Tancsa wrote: >On Mon, 09 May 2005 11:26:39 -0700, in sentex.lists.freebsd.hackers >you wrote: > > > >>Hi Eric, >> >> >>Shouldnt it be around 54MB/s for a regular IDE drive. >> >> > > >As I did a >[releng5-865]# dd if=/dev/zero of=/tmp/test bs=8192 count=30000 >30000+0 records in >30000+0 records out >245760000 bytes transferred in 4.447737 secs (55255063 bytes/sec) >[releng5-865]# >5.4-STABLE FreeBSD 5.4-STABLE #1: Sat May 7 20:42:37 EDT 2005 > >And, after flushing the cache by rebooting, >[releng5-865]# dd if=/tmp/test of=/dev/null bs=8192 >30000+0 records in >30000+0 records out >245760000 bytes transferred in 4.517612 secs (54400422 bytes/sec) >[releng5-865]# > >run of the mill PATA segate >ad0: 38166MB <ST340014A/3.06> [77545/16/63] at ata0-master UDMA100 > > >You really should update to 5.4R > >[releng5-865]# dmesg | head -13 >Copyright (c) 1992-2005 The FreeBSD Project. >Copyright (c) 1979, 1980, 1983, 1986, 1988, 1989, 1991, 1992, 1993, >1994 > The Regents of the University of California. All rights >reserved. >FreeBSD 5.4-STABLE #1: Sat May 7 20:42:37 EDT 2005 > mdtancsa@releng5-865.sentex.ca:/usr/obj/usr/src/sys/pioneer >ACPI APIC Table: <AOpen AWRDACPI> >Timecounter "i8254" frequency 1193182 Hz quality 0 >CPU: Intel(R) Celeron(R) CPU 2.40GHz (2400.41-MHz 686-class CPU) > Origin = "GenuineIntel" Id = 0xf33 Stepping = 3 > >Features=0xbfebfbff<FPU,VME,DE,PSE,TSC,MSR,PAE,MCE,CX8,APIC,SEP,MTRR,PGE,MCA,CMOV,PAT,PSE36,CLFLUSH,DTS,ACPI,MMX,FXSR,SSE,SSE2,SS,HTT,TM,PBE> >real memory = 267321344 (254 MB) >avail memory = 251940864 (240 MB) >ioapic0 <Version 2.0> irqs 0-23 on motherboard >... >atapci0: <Intel ICH5 UDMA100 controller> port >0xf000-0xf00f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on >pci0 > >[releng5-865]# > > ---Mike > > > >-------------------------------------------------------- >Mike Tancsa, Sentex communications http://www.sentex.net >Providing Internet Access since 1994 >mike@sentex.net, (http://www.tancsa.com) >_______________________________________________ >freebsd-hackers@freebsd.org mailing list >http://lists.freebsd.org/mailman/listinfo/freebsd-hackers >To unsubscribe, send any mail to "freebsd-hackers-unsubscribe@freebsd.org" > > >
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