Dimitar Vassilev wrote: >Read the links and adjust your values accordingly. I haven't been able to >implement all options, but I have a similar problem on 10/100mbit net with a >slack 10/2.6.8 kernel. The tips on netbios over tcp and computer browser were >given me by my net admin. The rest I googled and wrote down. Hope it helps. >Please tell how it works. >Regards, >Dimitar Vassilev
I adjusted the settings, and i got a plus in performance of 1 MB so i get a download of 9-10 MB now. But not what i expected. Anyway: thanks for your help, it gave me a great insight in the configuration of the samba Server. If i should Cc: you in the following mails, please let me know. Regards, Steffen Timmermann Tom Hibbert wrote: >Hi Steffen > >Looking at the configuration of the server PC, you have a Realtek >network card and an unspecified RAID card on a P2 300. I'm guessing that >the machine is based on an LX or BX chipset with PC66 or PC100 ram. I looked it up and it's an ASUS P2B-LS Motherboard with the 440BX Chipset. >You have 66mhz bandwidth to play with in the PCI bus. You also have >66mhz FSB thanks to the PII 300 CPU. All the benchmarking you have done >(both Iperf and hdparm) both test the two subsystems individually, not >together. My initial guess is that your PCI bus and/or CPU cannot drive >this system at its full potential. Look at the load average on the >server during transfer. The average loads are 0.23, 0.22, 0.12 I don't know what it means exactly, but i get them out of "top" during transfer > >Secondly you are running Redhat 9 with a Realtek 8169. There were a >number of issues with the stock Redhat 9 kernel versus a Realtek 8169, >see here >http://www.linuxquestions.org/questions/showthread.php?s=&threadid=14975 >1&highlight=8169. In fact these users are reporting only 8-10mb >throughput which is exactly what you are describing. I have tested the machine with Suse 8.2 before, but there's the same problem. Maybe because the Kernel version is almost the same? (2.4.20) >My advice to you is to roll a custom kernel for your system I have once compiled a new kernel on another machine, but i'm not familiar with it. Please tell me the commands i have to run for this. >(optimized >for Pentium 2, raid and network drivers built into kernel instead of >modules). At the Moment they're both modules [r8169.o (version 2.2 from realtek site) and the raidcontroller (which is an ITE 8212)] >Then perform a proper hard disk benchmark using Bonnie++ so >you know what the disks are truly capable of (hdparm -t doesn't cut it >in this respect). I've done it. Here are the results: On /dev/sda: [EMAIL PROTECTED] bonnie]# ./Bonnie File './Bonnie.1938', size: 104857600 Writing with putc()...done Rewriting...done Writing intelligently...done Reading with getc()...done Reading intelligently...done Seeker 1...Seeker 2...Seeker 3...start 'em...done...done...done... -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 100 2419 99.2 42898 85.5 58114 98.2 2378 99.5 154956 99.9 7765.2 99.0 [EMAIL PROTECTED] bonnie]# On /dev/sdb: [EMAIL PROTECTED] bonnie]# ./Bonnie File './Bonnie.1926', size: 104857600 Writing with putc()...done Rewriting...done Writing intelligently...done Reading with getc()...done Reading intelligently...done Seeker 1...Seeker 2...Seeker 3...start 'em...done...done...done... -------Sequential Output-------- ---Sequential Input-- --Random-- -Per Char- --Block--- -Rewrite-- -Per Char- --Block--- --Seeks--- Machine MB K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU K/sec %CPU /sec %CPU 100 2259 99.6 27232 99.5 60478 93.3 2382 99.6 154711 101.2 7958.0 99.5 [EMAIL PROTECTED] bonnie]# As I see, there is almost 100% CPU Used when the Program reads/writes from/to the Harddisks. In this case, do you think upgrading the System to an 700 Mhz Celeron will bring more Performance? When I want to do so, i must ensure that the data on the RAID isn't lost while transferring the harddisks and the controller to the other PC, because it's too much to transfer on the 2nd PC. (By the Way: Do you know if the Data on the disks is lost when i transfer the raid out of the one machine into another?) >Then I would compare the difference between throughput serving from both >your SCSI disk (sda) and RAID array with the benchmark data given by >bonnie++. This may reveal a CPU or FSB bottleneck. > > >Good luck and thanks > >Tom Additional information about the System: This is the dmesg output: [EMAIL PROTECTED] root]# dmesg Linux version 2.4.20-8 ([EMAIL PROTECTED]) (gcc version 3.2.2 20030222 (Red Hat Linux 3.2.2-5)) #1 Thu Mar 13 17:54:28 EST 2003 BIOS-provided physical RAM map: BIOS-e820: 0000000000000000 - 000000000009f800 (usable) BIOS-e820: 000000000009f800 - 00000000000a0000 (reserved) BIOS-e820: 00000000000f0000 - 0000000000100000 (reserved) BIOS-e820: 0000000000100000 - 000000000fffd000 (usable) BIOS-e820: 000000000fffd000 - 000000000ffff000 (ACPI data) BIOS-e820: 000000000ffff000 - 0000000010000000 (ACPI NVS) BIOS-e820: 00000000ffff0000 - 0000000100000000 (reserved) 0MB HIGHMEM available. 255MB LOWMEM available. On node 0 totalpages: 65533 zone(0): 4096 pages. zone(1): 61437 pages. zone(2): 0 pages. Kernel command line: auto BOOT_IMAGE=linux ro BOOT_FILE=/boot/vmlinuz-2.4.20-8 root=LABEL=/ Initializing CPU#0 Detected 300.686 MHz processor. Console: colour VGA+ 80x25 Calibrating delay loop... 599.65 BogoMIPS Memory: 252844k/262132k available (1347k kernel code, 6856k reserved, 999k data, 132k init, 0k highmem) Dentry cache hash table entries: 32768 (order: 6, 262144 bytes) Inode cache hash table entries: 16384 (order: 5, 131072 bytes) Mount cache hash table entries: 512 (order: 0, 4096 bytes) Buffer-cache hash table entries: 16384 (order: 4, 65536 bytes) Page-cache hash table entries: 65536 (order: 6, 262144 bytes) CPU: L1 I cache: 16K, L1 D cache: 16K CPU: L2 cache: 512K Intel machine check architecture supported. Intel machine check reporting enabled on CPU#0. CPU: After generic, caps: 0080f9ff 00000000 00000000 00000000 CPU: Common caps: 0080f9ff 00000000 00000000 00000000 CPU: Intel Pentium II (Klamath) stepping 04 Checking 'hlt' instruction... OK. POSIX conformance testing by UNIFIX mtrr: v1.40 (20010327) Richard Gooch ([EMAIL PROTECTED]) mtrr: detected mtrr type: Intel PCI: PCI BIOS revision 2.10 entry at 0xf0550, last bus=1 PCI: Using configuration type 1 PCI: Probing PCI hardware PCI: Using IRQ router PIIX [8086/7110] at 00:04.0 Limiting direct PCI/PCI transfers. isapnp: Scanning for PnP cards... isapnp: No Plug & Play device found Linux NET4.0 for Linux 2.4 Based upon Swansea University Computer Society NET3.039 Initializing RT netlink socket apm: BIOS version 1.2 Flags 0x0b (Driver version 1.16) Starting kswapd VFS: Disk quotas vdquot_6.5.1 pty: 2048 Unix98 ptys configured Serial driver version 5.05c (2001-07-08) with MANY_PORTS MULTIPORT SHARE_IRQ SERIAL_PCI ISAPNP enabled ttyS0 at 0x03f8 (irq = 4) is a 16550A ttyS1 at 0x02f8 (irq = 3) is a 16550A Real Time Clock Driver v1.10e Floppy drive(s): fd0 is 1.44M FDC 0 is a post-1991 82077 NET4: Frame Diverter 0.46 RAMDISK driver initialized: 16 RAM disks of 4096K size 1024 blocksize Uniform Multi-Platform E-IDE driver Revision: 7.00beta-2.4 ide: Assuming 33MHz system bus speed for PIO modes; override with idebus=xx PIIX4: IDE controller at PCI slot 00:04.1 PIIX4: chipset revision 1 PIIX4: not 100% native mode: will probe irqs later ide0: BM-DMA at 0xd800-0xd807, BIOS settings: hda:pio, hdb:pio ide1: BM-DMA at 0xd808-0xd80f, BIOS settings: hdc:pio, hdd:pio hda: CDA66801I, ATAPI CD/DVD-ROM drive ide0 at 0x1f0-0x1f7,0x3f6 on irq 14 ide-floppy driver 0.99.newide ide-floppy driver 0.99.newide md: md driver 0.90.0 MAX_MD_DEVS=256, MD_SB_DISKS=27 md: Autodetecting RAID arrays. md: autorun ... md: ... autorun DONE. NET4: Linux TCP/IP 1.0 for NET4.0 IP Protocols: ICMP, UDP, TCP, IGMP IP: routing cache hash table of 2048 buckets, 16Kbytes TCP: Hash tables configured (established 16384 bind 32768) Linux IP multicast router 0.06 plus PIM-SM NET4: Unix domain sockets 1.0/SMP for Linux NET4.0. RAMDISK: Compressed image found at block 0 Freeing initrd memory: 295k freed VFS: Mounted root (ext2 filesystem). SCSI subsystem driver Revision: 1.00 PCI: Found IRQ 9 for device 00:06.0 PCI: Sharing IRQ 9 with 00:04.2 scsi0 : Adaptec AIC7XXX EISA/VLB/PCI SCSI HBA DRIVER, Rev 6.2.8 <Adaptec aic7890/91 Ultra2 SCSI adapter> aic7890/91: Ultra2 Wide Channel A, SCSI Id=7, 32/253 SCBs blk: queue c1aca814, I/O limit 4095Mb (mask 0xffffffff) Vendor: IBM Model: DDRS-34560W Rev: S71D Type: Direct-Access ANSI SCSI revision: 02 blk: queue c1acaa14, I/O limit 4095Mb (mask 0xffffffff) Attached scsi disk sda at scsi0, channel 0, id 0, lun 0 (scsi0:A:0): 40.000MB/s transfers (20.000MHz, offset 15, 16bit) SCSI device sda: 8925000 512-byte hdwr sectors (4570 MB) Partition check: sda: sda1 sda2 < sda5 > Journalled Block Device driver loaded iteraid_init: Found Controller: IT8212 UDMA/ATA133 RAID Controller IssueIdentify: Checking for IDE. Status (50) FindDevices: Device 0 is IDE Channel[0] BM-DMA at 0xA400-0xA407 Channel[1] BM-DMA at 0xA408-0xA40F scsi1 : RAIDExpress133 Vendor: ITE Model: IT8212X Rev: 1.3 Type: Direct-Access ANSI SCSI revision: 00 Attached scsi disk sdb at scsi1, channel 0, id 0, lun 0 SCSI device sdb: 781443840 512-byte hdwr sectors (400099 MB) sdb: sdb1 sdb2 sdb3 divert: allocating divert_blk for eth0 PCI: Found IRQ 11 for device 00:0c.0 divert: allocating divert_blk for eth0 divert: freeing divert_blk for eth0 eth0: Identified chip type is 'RTL8169s/8110s'. eth0: RTL8169s/8110s Gigabit Ethernet driver 2.2 at 0x9800, 00:40:f4:a8:2e:5a, IRQ 11 eth0: Auto-negotiation Enabled. eth0: 1000Mbps Full-duplex operation. kjournald starting. Commit interval 5 seconds EXT3-fs: mounted filesystem with ordered data mode. Freeing unused kernel memory: 132k freed usb.c: registered new driver usbdevfs usb.c: registered new driver hub usb-uhci.c: $Revision: 1.275 $ time 17:59:01 Mar 13 2003 usb-uhci.c: High bandwidth mode enabled PCI: Found IRQ 9 for device 00:04.2 PCI: Sharing IRQ 9 with 00:06.0 usb-uhci.c: USB UHCI at I/O 0xd400, IRQ 9 usb-uhci.c: Detected 2 ports usb.c: new USB bus registered, assigned bus number 1 hub.c: USB hub found hub.c: 2 ports detected usb-uhci.c: v1.275:USB Universal Host Controller Interface driver usb.c: registered new driver hiddev usb.c: registered new driver hid hid-core.c: v1.8.1 Andreas Gal, Vojtech Pavlik <[EMAIL PROTECTED]> hid-core.c: USB HID support drivers mice: PS/2 mouse device common for all mice EXT3 FS 2.4-0.9.19, 19 August 2002 on sd(8,1), internal journal Adding Swap: 1100412k swap-space (priority -1) parport0: PC-style at 0x378 (0x778) [PCSPP,TRISTATE,EPP] parport0: irq 7 detected ip_tables: (C) 2000-2002 Netfilter core team ip_tables: (C) 2000-2002 Netfilter core team parport0: PC-style at 0x378 (0x778) [PCSPP,TRISTATE,EPP] parport0: irq 7 detected lp0: using parport0 (polling). lp0: console ready Thanks for your Reply. Regards, Steffen Timmermann -- To unsubscribe from this list go to the following URL and read the instructions: http://lists.samba.org/mailman/listinfo/samba