4.9-Stable: Disk error booting from hard drive
Hi all, I am completely stumped by this one. I have a new MSI 1u P1-1000 server: 2.4GHz P4, 1GB Ram, with a 40GB IDE (38166MB [77545/16/63]) hard drive on the primary master channel. Here's the problem, I can install 4.9-Stable, but when I finish and reboot the machine the bios reports disk error, the machine reboots and is trapped in this loop (I've tried setting the box up with a Boot Manger and Standard, but it doesn't work for either). To make things interesting 5.2-Release works fine, I can install, reboot, everything is cool. I don't understand what is going on here, I even tried re-downloading the 4.9 iso to check my cd with no luck. This machine will be a high use server so I really want to run Stable, what do I need to do? Thanks in advance, Max This is the dmesg from 5.2: 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 5.2-RELEASE #0: Sun Jan 11 04:21:45 GMT 2004 [EMAIL PROTECTED]:/usr/obj/usr/src/sys/GENERIC Preloaded elf kernel "/boot/kernel/kernel" at 0xc0a33000. Preloaded elf module "/boot/kernel/acpi.ko" at 0xc0a331f4. Timecounter "i8254" frequency 1193182 Hz quality 0 CPU: Intel(R) Pentium(R) 4 CPU 2.40GHz (2391.15-MHz 686-class CPU) Origin = "GenuineIntel" Id = 0xf29 Stepping = 9 Features=0xbfebfbff real memory = 1073676288 (1023 MB) avail memory = 1033510912 (985 MB) ACPI APIC Table: ioapic0 irqs 0-23 on motherboard Pentium Pro MTRR support enabled npx0: [FAST] npx0: on motherboard npx0: INT 16 interface acpi0: on motherboard pcibios: BIOS version 2.10 Using $PIR table, 10 entries at 0xc00fdec0 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 acpi_cpu0: on acpi0 acpi_cpu1: on acpi0 device_probe_and_attach: acpi_cpu1 attach returned 6 acpi_tz0: on acpi0 acpi_button0: on acpi0 acpi_button1: on acpi0 pcib0: port 0xcf8-0xcff on acpi0 pci0: on pcib0 agp0: mem 0xd000-0xdfff at device 0.0 on pci0 pcib1: at device 1.0 on pci0 pci1: on pcib1 uhci0: port 0xd800-0xd81f irq 16 at device 29.0 on pci0 usb0: 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: port 0xd000-0xd01f irq 19 at device 29.1 on pci0 usb1: 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: port 0xd400-0xd41f irq 18 at device 29.2 on pci0 usb2: 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: at device 29.7 (no driver attached) pcib2: at device 30.0 on pci0 pci2: on pcib2 em0: port 0xc000-0xc03f mem 0xe200-0xe201 irq 21 at device 5.0 on pci2 em0: Speed:N/A Duplex:N/A fxp0: port 0xc400-0xc43f mem 0xe202-0xe203,0xe2041000-0xe2041fff irq 23 at device 6.0 on pci2 fxp0: Ethernet address 00:0c:76:4e:78:73 miibus0: on fxp0 inphy0: on miibus0 inphy0: 10baseT, 10baseT-FDX, 100baseTX, 100baseTX-FDX, auto pci2: at device 7.0 (no driver attached) isab0: at device 31.0 on pci0 isa0: on isab0 atapci0: port 0xf000-0xf00f,0-0x3,0-0x7,0-0x3,0-0x7 at device 31.1 on pci0 ata0: at 0x1f0 irq 14 on atapci0 ata0: [MPSAFE] ata1: at 0x170 irq 15 on atapci0 ata1: [MPSAFE] pci0: at device 31.3 (no driver attached) fdc0: port 0x3f7,0x3f0-0x3f5 irq 6 drq 2 on acpi0 sio0 port 0x3f8-0x3ff irq 4 on acpi0 sio0: type 16550A sio1 port 0x2f8-0x2ff irq 3 on acpi0 sio1: type 16550A atkbdc0: port 0x64,0x60 irq 1 on acpi0 atkbd0: flags 0x1 irq 1 on atkbdc0 kbd0 at atkbd0 psm0: irq 12 on atkbdc0 psm0: model IntelliMouse, device ID 3 acpi_cpu1: on acpi0 device_probe_and_attach: acpi_cpu1 attach returned 6 orm0: at iomem 0xc-0xc7fff on isa0 pmtimer0 on isa0 ppc0: parallel port not found. sc0: at flags 0x100 on isa0 sc0: VGA <16 virtual consoles, flags=0x300> vga0: at port 0x3c0-0x3df iomem 0xa-0xb on isa0 Timecounter "TSC" frequency 2391145900 Hz quality 800 Timecounters tick every 10.000 msec GEOM: create disk ad0 dp=0xc6b80d60 ad0: 38166MB [77545/16/63] at ata0-master UDMA100 acd0: CDROM at ata1-master PIO4 Mounting root from ufs:/dev/ad0s1a em0: Link is up 100 Mbps Full Duplex em0: Link is up 100 Mbps Full Duplex ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
Making an ISO from a CD
Hi all, How do you create an ISO from a cd as the source? Obviously when the ISO where to be burned I would like it to be identical to the original cd. Thanks in advance, Max -- Max Clark maxc at beast.clarksys.com http://www.clarksys.com >> spamtrap: [EMAIL PROTECTED] - do NOT ever send email to this address << ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
File System Limits on FreeBSD-stable
Hi all, What are the file system, file size limits for FreeBSD-stable? I understand that there is a 2TB file system limit, but what about the file size? I have a friend who cannot create a file over 2GB. Should he be able to? Does 5.x handle this differently? Thanks in advance, Max -- Max Clark maxc at beast.clarksys.com http://www.clarksys.com >> spamtrap: [EMAIL PROTECTED] - do NOT ever send email to this address << ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
Re: Redirect to /dev/null
On Fri, Oct 10, 2003 at 04:26:16PM -0500, Charles Howse wrote: > It should be: > ... > /dev/null 2>&1 > The the greater-than symbol preceeds the ampersand . Thank you, that makes much more sense now. -- Max Clark http://www.clarksys.com";>Max Clark ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
Redirect to /dev/null
Hi all, What is the proper way to redirect output to /dev/null? I've been using the following in my crontab but output is still ending up in my mailbox. ... 2>&1 > /dev/null Thanks, Max -- Max Clark http://www.clarksys.com";>Max Clark ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
RE: 20TB Storage System
Depends on whether you plan on crashing or not :) According to http://lists.freebsd.org/pipermail/freebsd-fs/2003-July/000181.html, you may not want to create filesystems over 3TB if you want fsck to succeed. I don't know if that's using the default newfs settings (which would create an insane number of inodes), though. - This is a big problem (no pun intended), my smallest requirement is still 5TB... what would you recommend? The smallest file on the storage will be 500MB. To sustain only 30MByte/s across the entire set? Doesn't really matter, since even a single disk could do that. - What would I see better performance with ccd or vinum? So a better question isn't if I can sustain with 30MByte/s but what would I expect to maintain? ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
RE: FW: 20TB Storage System
Just make sure you run UFS2, which is the default on -CURRENT because UFS1 has a 1TB limit. - What's the limit with UFS2? Are there major requirements to run FreeBSD 5.x or can I still run stable with this? Thanks, Max ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
RE: FW: 20TB Storage System
I know adding ccd/vinum to the equation will lower my IO throughput, but the question is... if I have an external hardware shelf with 3.5TB (16 250GB drives w/ Raid 5 from hardware) and I put a Raid 0 stripe across 3 of these shelves what would my expected loss of IO be? Thanks, Max -Original Message- From: Poul-Henning Kamp [mailto:[EMAIL PROTECTED] Sent: Tuesday, September 02, 2003 1:02 PM To: Max Clark Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: Re: FW: 20TB Storage System In message <[EMAIL PROTECTED]>, "Max Clark" writ es: >Given the above: >1) What would my expected IO be using vinum to stripe the storage enclosures >detailed above? That depends a lot on the applications I/O pattern, an I doubt a precise prediction is possible. In particular the FibreChannel is hard to predict the throughput off because the various implementations seems to have each their own peculiar quirks performance wise. On a SEAGATE ST318452 disks, I see sequential transfer rates at the outside rim of the disk of 58MB/sec. If I stripe two of them them with CCD I get 107MB/sec. CCD has a better performance than Vinum where they compare. RAID-5 and striping a large number of disks does not scale linearly performance wise, in particular you _may_ see your average access time drop somewhat, but there is by far no guarantee that it will be better than the individual drive. >2) What is the maximum size of a filesystem that I can present to the host >OS using vinum/ccd? Am I limited anywhere that I am not aware of? Good question, I'm not sure we currently know the exact barrier. >3) Could I put all 20TB on one system, or will I need two to sustain the IO >required? Spreading it will give you more I/O bandwidth. -- Poul-Henning Kamp | UNIX since Zilog Zeus 3.20 [EMAIL PROTECTED] | TCP/IP since RFC 956 FreeBSD committer | BSD since 4.3-tahoe Never attribute to malice what can adequately be explained by incompetence. ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
FW: 20TB Storage System
Sorry for the cross post. -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Max Clark Sent: Tuesday, September 02, 2003 11:00 AM To: [EMAIL PROTECTED] Subject: 20TB Storage System Hi all, I need to attach 20TB of storage to a network (as low cost as possible), I need to sustain 250Mbit/s or 30MByte/s of sustained IO from the storage to the disk. I have found external Fibre Channel -> ATA 133 Raid enclosures. These enclosures will house 16 drives so with 250GB drives a total of 3.5TB each after a RAID 5 format. These enclosures have advertised sustained IO of 90-100MByte/s each. One solution we are thinking about is to use a Intel XEON server with 3x FC HBA controller cards in the server each attached to a separate storage enclosure. In any event we would be required to use ccd or vinum to stripe multiple storage enclosures together to form one logical volume. I can partition this system into two separate 10TB storage pools. Given the above: 1) What would my expected IO be using vinum to stripe the storage enclosures detailed above? 2) What is the maximum size of a filesystem that I can present to the host OS using vinum/ccd? Am I limited anywhere that I am not aware of? 3) Could I put all 20TB on one system, or will I need two to sustain the IO required? 4) If you were building this system how would you do it? (The installed $/GB must be below $5.00 dollars). My other options are to use Solaris or Windows (which I would rather not do). Thanks in advance, Max ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-isp To unsubscribe, send any mail to "[EMAIL PROTECTED]" ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
RE: DNS Server Farm
For recursive lookups you should only be looking at djbdns's dnscache (http://cr.yp.to). As far as load balancers go, my preference has always been hardware (ASIC) based appliances such as the Alteon AceDirector or the Foundry ServerIron. Both are rock solid and will handle more traffic than you could imagine. Max -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of En Sabah Nur Sent: Sunday, August 03, 2003 9:40 PM To: [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: DNS Server Farm Hi there Our company has inherited/bought an ISP outfit which has around 2 million subscribers. Among our first priority is to upgrade the DNS service which has been abysmal according to the users Can someone give me a head-start on a recommended configuration for such DNS outlay which serves 2M+ dial-up users? Are multiple Bind boxes with a hardware load-balancer sufficient and up to the job? If so, which hardware solution (load-balancer) should I be shortlisting? Most of the users' complains has been requests time-outs and bad uptimes, which suggest bad load management and redundancy. As I am most comfortable with FreeBSD, and I intend to deploy it across the boxes we inherited with the deal. Having said that, we do have some Solaris boxens which is lying around. Any ideas and guides is greatly appreciated Thanks -- En Sabah Nur <[EMAIL PROTECTED]> -- Living in LA is like not having a date on Saturday night. -- Candice Bergen ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-isp To unsubscribe, send any mail to "[EMAIL PROTECTED]" ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
RE: Can I subnet my network like this ?
The only real concern is if you are using cisco routers in this equation. If so, make sure you enable ip-subnet-zero in the config. Max -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Supote Leelasupphakorn Sent: Wednesday, July 30, 2003 5:46 AM To: [EMAIL PROTECTED] Cc: [EMAIL PROTECTED]; [EMAIL PROTECTED] Subject: Can I subnet my network like this ? Hi, all I would like to verify my knowledge by building the network like below but not sure whether it's impossible for subnetting like this - say, from Gateway no2, is divided to 172.16.0.0/16 and 172.17.0.0/16 subnet. I heard that it isn't recommend or impossible (not sure again) to use FIRST or LAST subnet in the allocated IP address pool, is it? Section no.1 is existed and I own the Gateway no.2. My plan is enable NAT on it by following the instruction in FreeBSD handbook. Any comments are welcome. | | if_1 = 202.xx.xx.xx |---|| | Gateway no.1 || section 1 |---|| | if_2 = 10.0.0.1 | | | | | if_1 = 10.0.0.254 | |---| if_2 = 172.16.0.1/16 | section 2 | Gateway no.2 || |---|| | if_3 = 172.17.0.1/16 | | | Thanks in advance, Want to chat instantly with your online friends? Get the FREE Yahoo! Messenger http://uk.messenger.yahoo.com/ ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-isp To unsubscribe, send any mail to "[EMAIL PROTECTED]" ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
RE: Server spinning out of control...
Are you running razor? Something that I have experienced with spamassassin is if you have external network checks enabled and spamassassin cannot connect to the resource uptime goes crazy. Max -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Jamie Sent: Monday, July 28, 2003 2:57 PM To: Rus Foster Cc: [EMAIL PROTECTED] Subject: Re: Server spinning out of control... That is a good idea, thanks. We did check that though. Went through each user's accounts checking their .forwards and procmaillrc files. We are running spamassassin 2.55, and in the global procmailrc file we call spamc which connects to a spamd running on another machine. Are you aware of any other system utilities that might be used to trace CPU consumption and trap problems? We've taken a lot of stabs in the dark with what it could be, and we'd like to try some solid diagnostic utils to shed more light. - Jamie On Mon, 28 Jul 2003, Rus Foster wrote: > >We've got a server that occassionally becomes temporarily useless > > because the load average shoots up to around 150.0 or so, and then slowly > > winds down over a 2 minute period. I cannot seem to find the process which > > is putting so much load on the machine. I've tried running top with the q > > switch, as well as the "I" switch, and when top opens, I can't see > > anything consuming large amounts of CPU power or consuming much memory, > > but the load average will be incredibly high. There isn't anything unusual > > in /var/log/messages to indicate anything which might be causing the load > > average to go shooting through the ceiling. > > Are you running any sort of spam filtering? Could a use put something in > their ~/.forward? > > Rus > > www: http://jvds.com | Virtual Servers from just $15/mo > MSNM: [EMAIL PROTECTED] | Totally Customizable Technology > e: [EMAIL PROTECTED] | forums: http://forums.jvds.com >10% donation to FreeBSD.org on each purchase > "A friend is someone who lets you have total freedom to be yourself." ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]" ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
RE: Qmail Upgrade
Duane, If this is only a software upgrade I would suggest running a make world on your current box. FreeBSD accounts or vpopmail accounts? I've never tried to migrate system accounts, I would assume that this would entail setting up ldap/kerberos/nis or some type of sso service. Vpopmail should be easy, just copy over your vpopmail installation directory and then run the "upgrade" on the new server to the same directory. You might want to check on the vpopmail part of that, but that's how I would do it. Max -Original Message- From: Duane Stark [mailto:[EMAIL PROTECTED] Sent: Monday, July 28, 2003 11:55 AM To: Max Clark Cc: [EMAIL PROTECTED] Subject: RE: Qmail Upgrade Hey Max, Yup, I am migrating from one server to another.. So it'sa migration + upgrade (as the new server will get new installs of all the current software programs I use) Thanks again for your help. -D PS On this same note, is there an easy way to migrate freebsd user accounts from one machine to another? > Original Message- > From: "Max Clark" <[EMAIL PROTECTED]> > To: "Duane Stark" <[EMAIL PROTECTED]> > Cc: [EMAIL PROTECTED] > Date: Mon, Jul-28-2003 1:37 PM > Subject: RE: Qmail Upgrade > > Duane, > > The qmail version has not changed in years. Vpopmail is pretty active. > > What are you trying to do? Migrate to a new server? > > Check out inter7.com, they make vpopmail. > > Max > > -Original Message- > From: [EMAIL PROTECTED] > [mailto:[EMAIL PROTECTED] Behalf Of Duane Stark > Sent: Monday, July 28, 2003 11:27 AM > To: [EMAIL PROTECTED] > Subject: Qmail Upgrade > > > Quick question: > > I am replacing a server with a new one. Freebsd versions are different (old > 4.6 STABLE, new 4.8) and qmail / vpopmail versions are most likely different > (havent updated qmail since I built the server over a year ago. > > Is there any easy way to do this? Does anyone have the location of a website > with good instructions? I've googled myself to death! :) > > Many thanks, > Duane > > ___ > [EMAIL PROTECTED] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "[EMAIL PROTECTED]" > > ___ > [EMAIL PROTECTED] mailing list > http://lists.freebsd.org/mailman/listinfo/freebsd-questions > To unsubscribe, send any mail to "[EMAIL PROTECTED]" > > ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
RE: Qmail Upgrade
Duane, The qmail version has not changed in years. Vpopmail is pretty active. What are you trying to do? Migrate to a new server? Check out inter7.com, they make vpopmail. Max -Original Message- From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] Behalf Of Duane Stark Sent: Monday, July 28, 2003 11:27 AM To: [EMAIL PROTECTED] Subject: Qmail Upgrade Quick question: I am replacing a server with a new one. Freebsd versions are different (old 4.6 STABLE, new 4.8) and qmail / vpopmail versions are most likely different (havent updated qmail since I built the server over a year ago. Is there any easy way to do this? Does anyone have the location of a website with good instructions? I've googled myself to death! :) Many thanks, Duane ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]" ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
How do I max a 6Mbps link
Hi all, What configuration changes do I need to make to two freebsd-stable boxes to fully max out a 6Mbps/220ms network link? This is for bulk 500+MB file transfers. The target application is proftpd with ncftpd as the client. Thanks in advance, Max ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
3+ TB Storage... CCD, growfs, etc...
Hi all, I am looking at the promise ultratrak RM 15000 (http://www.promise.com/product/product_detail_eng.asp?productId=109&familyI d=6) Raid appliance with a 3TB disk configuration. This box connects to the host with a SCSI 160 interface which is no problem, and as I understand it UFS2 is 64 bit so I am not constrained by a 2TB filesystem limit. The smallest size file on this box will be 11GB, and there will be lots of them. My questions are. 1) What is the maximum filesystem size with UFS2? Are there any special tuning parameters that I should be aware of that will better optimize the disk? 2) How much CPU/Ram would be suggested per TB of disk attached? 3) If I wanted to eventually strip two+ of these external boxes what would I need to do? Given this configuration would Vinum or CCD be better? Why? Oh... and this will be running Samba to serve these files to windows pc's over 1Gb copper ethernet. Thanks in advance, Max ___ [EMAIL PROTECTED] mailing list http://lists.freebsd.org/mailman/listinfo/freebsd-questions To unsubscribe, send any mail to "[EMAIL PROTECTED]"
ftp proxy with cache
Hi all, I am looking to configure a ftp proxy for use over a low speed link. I would like to be able to ftp upload from a local lan connected client to this proxy, have the proxy server connect to the ftp server, spool the data transfer, and upload for as long as it takes over the link, giving the lan connect pc a fast session and the apearance of a fast transfer. Are there any proxy servers out there that do this? If not how would one build something like this? Thanks in advance, Max To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-questions" in the body of the message
RE: How to simulate high latency links?
So if I want to do testing between machine A and B I can route all of the traffic trough a machine C with dummynet and simulate the network environment that I need? Basically I want to test/experiment with the send/receive settings within the servers. What about a hardware appliance? Could this be set up using a QOS policy or something similar with a switch? Thanks for the advice. Max -Original Message- From: [EMAIL PROTECTED] [mailto:owner-freebsd-questions@;FreeBSD.ORG] On Behalf Of Dan Nelson Sent: Sunday, November 03, 2002 6:05 PM To: Max Clark Cc: [EMAIL PROTECTED] Subject: Re: How to simulate high latency links? In the last episode (Nov 03), Max Clark said: > Hi, > > I am looking for a way to do some performance testing/tuning in a lab > environment. I have a high latency low speed link (T1/200MS) that I need > to replicate. > > Are there any ways to do this with FreeBSD? dummynet is what you want. By redirecting traffic through a dummynet pipe with ipfw, you can simulate latency and packet loss. See the ipfw and dummynet manpages. -- Dan Nelson [EMAIL PROTECTED] To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-questions" in the body of the message To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-questions" in the body of the message
How to simulate high latency links?
Hi, I am looking for a way to do some performance testing/tuning in a lab environment. I have a high latency low speed link (T1/200MS) that I need to replicate. Are there any ways to do this with FreeBSD? Thanks in advance, Max -- Mailution Email Solutions http://www.mailution.net To Unsubscribe: send mail to [EMAIL PROTECTED] with "unsubscribe freebsd-questions" in the body of the message
