NFS+buildworld=silent reboot
Wm Brian McCane
root at maxbaud.net
Tue May 25 21:27:38 PDT 2004
I have a new (to me) box setup running current. It is a Proliant 5500:
4x550/100/1M
1GB EDO
Thunderlan 10/100
Smart 3200? RAID controller
7x9.1GB Cheetah (~54GB Raid 5)
It seems to work well, but if I try to do a 'make buildworld' over NFS
mounted /usr/src and /usr/obj it resets (NO PANIC). I tried building the
kernel with debug in it, and after an indeterminate amount of time into
the buildworld the machine resets (still NO PANIC). I am pretty sure I
remember something similar to this in the past but checked the mailing
lists and couldn't find it by guessing words :).
There are two things about this problem that bug me. First, I do this
buildworld daily using a Proliant 5500 with Quad PPro 200MHz. And second,
I rsync'd the entire /usr/src tree directly to the machine and did the
entire buildworld (-j6) without a hitch. I am tenuously blaming NFS (or
maybe my own stupidity) at this point because the rsync uses networking
and the buildworld used all the memory and CPUs.
Okay, a third thing bugs me; I was gonna put gigE cards in this box and
use it as a SAN with some of my databases on it remotely mounted from my
database servers. I figured with enough memory in it and fast enough
networking (and a BIG UPS) it would beat the pants off directly mounted
hard drives in the database machines. Now I am concerned that the
database machines would just constantly reboot themselves.
I have swapped out processors, memory, memory cards, SCSI controllers,
network cards, even re-installed on an entirely different RAID group (the
original was using 36GB drives), and finally pulled out all the parts and
put them in a different 5500 case with a different mainboard, I/O card,
SCSI module, etc. At this point I don't think I even have any of the
original parts left in the machine, but the darn things still resets if I
do a NFS mounted buildworld.
- brian
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