Re: Mysterious reboot, suspecting hardware issue

On Tue, 2006-02-28 at 04:25, Olivier Nicole wrote: > Hi, > > Running an Amanda server on a dual P III, with 256 MB ram and dual > Symbios SCSI adapter. Part of the hard disk are mounted in RAID with > vinum on the first SCSI adapter. The Tandberg tape drive is on the > second SCSI adapter. FreeBSD

Re: Mysterious reboot

Robert Huff wrote: Robert, > I have a -CURRENT machine - P4, 512mb RAM, SCSI disks, > de-driver ethernet, all mainstream hardware - that has this problem. > Since early last year (maybe longer) it will occasionally reboot. Actually, I had it on three machines now. First on a P4 I leased in

RE: Mysterious reboot

Olivier Nicole wrote: >> I've also been observing my system...even when mail load from these >> mini-attacks is heaviest, maybe 800 messages a second, the system >> load barly goes over idle. There appeas to have been two such >> attacks. It's a 2.8 ghz machine with 3 g

Re: Mysterious reboot

> I've also been observing my system...even when mail load from these > mini-attacks is heaviest, maybe 800 messages a second, the system load barly > goes over idle. There appeas to have been two such attacks. It's a 2.8 ghz > machine with 3 gigs of RAM, it should be well able to handle that loa

Re: Mysterious reboot

Robin Vley writes: > My machine also has trouble with sudden reboots. Much quicker > than weeks though, I barely hold out for 5 days. "And three shall be the number of the counting " I have a -CURRENT machine - P4, 512mb RAM, SCSI disks, de-driver ethernet, all mainstream h

Re: Mysterious reboot

On 2006-02-16 15:18, Mike Loiterman <[EMAIL PROTECTED]> wrote: >Giorgos Keramidas wrote: >> On 2006-02-16 14:32, Mike Loiterman <[EMAIL PROTECTED]> wrote: >>> Wouter Spierenburg wrote: Try adding the following to /etc/sysctl.conf:

RE: Mysterious reboot

> > Well, the server is an email/web server primarily. Not a > huge load, but I want to be hardened against DOS > attacks...would these help? > If you are looking to harden your server, this might be helpful. Though a bit outdates, it still holds true for most part: http://www.dal.net/admin

RE: Mysterious reboot

Giorgos Keramidas wrote: > On 2006-02-16 14:32, Mike Loiterman <[EMAIL PROTECTED]> wrote: >> Wouter Spierenburg wrote: >>> Try adding the following to /etc/sysctl.conf: >>> >>> kern.maxfiles=65535 >>> kern.maxfilesperproc=2 >>> net.inet.tcp

Re: Mysterious reboot

Mike Loiterman wrote: Mike, Wouter, Before I make these changes, I would like to just get a second opinion from the list about their value and what impact, if any, they might have on system stability, compatibility, etc. I don't know really how to set the maxfiles parameter (mine is at 32000

Re: Mysterious reboot

On 2006-02-16 14:32, Mike Loiterman <[EMAIL PROTECTED]> wrote: > Wouter Spierenburg wrote: > > Try adding the following to /etc/sysctl.conf: > > > > kern.maxfiles=65535 > > kern.maxfilesperproc=2 > > net.inet.tcp.delayed_ack=0 > > net.inet.ip.maxfragpackets=10 > > ker

RE: Mysterious reboot

Wouter Spierenburg wrote: > Try adding the following to /etc/sysctl.conf: > > kern.maxfiles=65535 > kern.maxfilesperproc=2 > net.inet.tcp.delayed_ack=0 > net.inet.ip.maxfragpackets=10 > kern.ipc.somaxconn=2048 > > then 'cd' to /usr/src/sys/i386/conf > cp GENERIC SER

RE: Mysterious reboot

> > Alex de Kruijff wrote: > > On Thu, Feb 16, 2006 at 01:46:19AM -0600, Mike Loiterman wrote: > >> Afte being up for more than two months, I just noticed that my ver > >> reliable and stable server mysteriously rebooted. I've > had the same > >> hardware and system s

RE: Mysterious reboot

Alex de Kruijff wrote: > On Thu, Feb 16, 2006 at 01:46:19AM -0600, Mike Loiterman wrote: >> Afte being up for more than two months, I just noticed that my ver >> reliable and stable server mysteriously rebooted. I've had the same >> hardware and system setup for more tha

Re: Mysterious reboot

On Thu, Feb 16, 2006 at 01:46:19AM -0600, Mike Loiterman wrote: > Afte being up for more than two months, I just noticed that my ver reliable > and stable server mysteriously rebooted. I've had the same hardware and > system setup for more than a year and haven't ever experienced anything like > t

RE: Mysterious reboot

Olivier Nicole wrote: >> /var/log/messages just shows a user connectig via pop, and then the >> next line is the machine booting. > > Does the reboot correspond to the rainstorm? > > Do you have UPS? > > If time matches and no UPS I'd highly suspect a micro power faill

Re: Mysterious reboot

> /var/log/messages just shows a user connectig via pop, and then the next > line is the machine booting. Does the reboot correspond to the rainstorm? Do you have UPS? If time matches and no UPS I'd highly suspect a micro power faillure, that other machines could over go, but that this specific