Date: Mon, 09 May 2005 11:26:39 -0700 From: Amandeep <aman@chamkila.org> To: Eric Anderson <anderson@centtech.com> Cc: john@essenz.com Subject: Re: Low HDD tranfer rate with FreeBSD 5.3-Release Message-ID: <427FAB5F.6070508@chamkila.org> In-Reply-To: <427FA8CD.8040405@centtech.com> References: <427FA802.90805@chamkila.org> <427FA8CD.8040405@centtech.com>
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Hi Eric, Shouldnt it be around 54MB/s for a regular IDE drive. Here is the output of dmesg and iostat Copyright (c) 1992-2004 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 5.3-RELEASE #0: Fri Nov 5 04:19:18 UTC 2004 root@harlow.cse.buffalo.edu:/usr/obj/usr/src/sys/GENERIC Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2391.14-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0xf29 Stepping = 9 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 = 1064173568 (1014 MB) avail memory = 1031811072 (984 MB) ACPI APIC Table: <IntelR AWRDACPI> ioapic0 <Version 2.0> irqs 0-23 on motherboard npx0: [FAST] npx0: <math processor> on motherboard npx0: INT 16 interface acpi0: <IntelR AWRDACPI> on motherboard acpi0: Power Button (fixed) Timecounter "ACPI-fast" frequency 3579545 Hz quality 1000 acpi_timer0: <24-bit timer at 3.579545MHz> port 0x408-0x40b on acpi0 cpu0: <ACPI CPU> on acpi0 acpi_tz0: <Thermal Zone> on acpi0 acpi_button0: <Power Button> on acpi0 pcib0: <ACPI Host-PCI bridge> port 0xcf8-0xcff on acpi0 pci0: <ACPI PCI bus> on pcib0 agp0: <Intel 82845G (845G GMCH) SVGA controller> mem 0xe8100000-0xe817ffff,0xe0000000-0xe7ffffff irq 16 at device 2.0 on pci0 agp0: detected 8060k stolen memory agp0: aperture size is 128M uhci0: <Intel 82801DB (ICH4) USB controller USB-A> port 0xe200-0xe21f irq 16 at device 29.0 on pci0 uhci0: [GIANT-LOCKED] usb0: <Intel 82801DB (ICH4) USB controller USB-A> on uhci0 usb0: USB revision 1.0 uhub0: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub0: 2 ports with 2 removable, self powered uhci1: <Intel 82801DB (ICH4) USB controller USB-B> port 0xe000-0xe01f irq 19 at device 29.1 on pci0 uhci1: [GIANT-LOCKED] usb1: <Intel 82801DB (ICH4) USB controller USB-B> on uhci1 usb1: USB revision 1.0 uhub1: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub1: 2 ports with 2 removable, self powered uhci2: <Intel 82801DB (ICH4) USB controller USB-C> port 0xe100-0xe11f irq 18 at device 29.2 on pci0 uhci2: [GIANT-LOCKED] usb2: <Intel 82801DB (ICH4) USB controller USB-C> on uhci2 usb2: USB revision 1.0 uhub2: Intel UHCI root hub, class 9/0, rev 1.00/1.00, addr 1 uhub2: 2 ports with 2 removable, self powered pci0: <serial bus, USB> at device 29.7 (no driver attached) pcib1: <ACPI PCI-PCI bridge> at device 30.0 on pci0 pci1: <ACPI PCI bus> on pcib1 em0: <Intel(R) PRO/1000 Network Connection, Version - 1.7.35> port 0xd000-0xd03f mem 0xe8020000-0xe803ffff,0xe8000000-0xe801ffff irq 21 at device 3.0 on pci1 em0: Ethernet address: 00:e0:81:56:1e:64 em0: Speed:N/A Duplex:N/A em1: <Intel(R) PRO/1000 Network Connection, Version - 1.7.35> port 0xd100-0xd13f mem 0xe8060000-0xe807ffff,0xe8040000-0xe805ffff irq 20 at device 4.0 on pci1 em1: Ethernet address: 00:e0:81:56:1e:65 em1: Speed:N/A Duplex:N/A isab0: <PCI-ISA bridge> at device 31.0 on pci0 isa0: <ISA bus> on isab0 atapci0: <Intel ICH4 UDMA100 controller> port 0xf000-0xf00f,0x376,0x170-0x177,0x3f6,0x1f0-0x1f7 at device 31.1 on pci0 ata0: channel #0 on atapci0 ata1: channel #1 on atapci0 pci0: <serial bus, SMBus> at device 31.3 (no driver attached) fdc0: <floppy drive controller> port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on acpi0 fdc0: [FAST] sio0: <16550A-compatible COM port> port 0x3f8-0x3ff irq 4 flags 0x10 on acpi0 sio0: type 16550A sio1: <16550A-compatible COM port> port 0x2f8-0x2ff irq 3 on acpi0 sio1: type 16550A atkbdc0: <Keyboard controller (i8042)> port 0x64,0x60 irq 1 on acpi0 atkbd0: <AT Keyboard> irq 1 on atkbdc0 kbd0 at atkbd0 atkbd0: [GIANT-LOCKED] psm0: <PS/2 Mouse> irq 12 on atkbdc0 psm0: [GIANT-LOCKED] psm0: model IntelliMouse Explorer, device ID 4 orm0: <ISA Option ROM> at iomem 0xcc000-0xccfff on isa0 pmtimer0 on isa0 ppc0: parallel port not found. sc0: <System console> at flags 0x100 on isa0 sc0: VGA <16 virtual consoles, flags=0x300> vga0: <Generic ISA VGA> at port 0x3c0-0x3df iomem 0xa0000-0xbffff on isa0 Timecounter "TSC" frequency 2391144260 Hz quality 800 Timecounters tick every 10.000 msec ad0: 156334MB <Maxtor 6Y160P0/YAR41BW0> [317632/16/63] at ata0-master UDMA100 acd0: DVDROM <HL-DT-STDVD-ROM GDR8082N/0002> at ata1-master UDMA33 Mounting root from ufs:/dev/ad0s1a em0: Link is up 100 Mbps Full Duplex em0: Link is up 100 Mbps Full Duplex em0: Link is up 100 Mbps Full Duplex IOSTAT tty ad0 cpu tin tout KB/t tps MB/s us ni sy in id 0 20 114.15 10 1.09 0 0 1 0 98 0 0 0.00 0 0.00 0 0 0 0 100 0 0 0.00 0 0.00 0 0 0 0 100 1 3 128.00 21 2.60 0 0 3 0 97 0 0 128.00 124 15.47 0 0 6 2 91 0 0 117.49 133 15.22 0 0 6 0 94 0 0 128.00 124 15.47 0 0 8 0 92 0 0 126.11 125 15.36 0 0 10 2 88 0 0 128.00 124 15.47 0 0 8 0 92 0 0 128.00 124 15.47 0 0 6 0 94 0 0 127.10 123 15.24 0 0 6 0 94 0 0 128.00 124 15.47 2 0 8 1 90 0 0 127.10 124 15.36 0 0 10 0 90 0 0 128.00 124 15.47 0 0 6 0 94 0 0 127.10 123 15.24 0 0 7 1 92 0 0 128.00 124 15.47 0 0 7 1 92 0 0 121.77 128 15.19 0 0 9 1 90 0 0 128.00 124 15.47 0 0 8 0 92 0 0 127.10 123 15.24 0 0 7 1 92 1 2 128.00 124 15.47 0 0 6 0 94 Thanks for your help and replies. A Eric Anderson wrote: > Amandeep wrote: > >> Hi all, >> >> I am using Tyan S2098 MB with 160GB Maxtor ATA Drive and the >> transfer rate is very low. FreeBSD 5.3-Release. >> Any ideas what is going on here. >> >> The transfer rate is about 15MB/s >> >> when I run >> #dd if=/dev/zero of=/usr/junk bs=8192 >> >> then do >> #iostat 1 > > > You should probably provide the appropriate information from dmesg > output, along with what you expect it to be, and the outputs of the dd > command. > > Eric > > >
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