MailScanner causing server to crash

Jim Levie jim at ENTROPHY-FREE.NET
Mon Jan 6 00:34:55 GMT 2003

On Sun, 2003-01-05 at 16:48, Bill Omer wrote:
> On Sun, 2003-01-05 at 17:31, Jim Levie wrote:
> > >
> > I take it that you've already examined the logs to see if anything
> > interesting was logged before the reboot?
> I try to monitor the logs as much as possible, but I've yet to see
> anything related to this problem.
I figured as much...

> >
> > Is the system up to date w/respect to the 8.0 errata? I did see some
> > spontaneous reboots on a dual processor 8.0 box before the first or
> > second round of errata was made available. I keep the boxes up to data
> > and haven't see anything like that since.
> >
What about the RedHat updates for 8.0? Are they in place?

> >
> > What is the typical system load? How much memory is installed?
> With MailScanner running, around 1.5.  With only sendmail with
> spamass-milter running, around 0.5.
System load doesn't sound like it is you problem. A load average of 1.5
is pretty much nothing. Now if it was running 15-20 that might be cause
for concern.

> There's a gig of ram installed (I earlier said a gig and a half, I was
> mistaken).  Quad Xeon 500MHz cpu's.
That should be plenty of memory for a mail server/scanner unless there
are other demands on RAM. How much swap space is typically in use?

> Again, without MailScanner running, I've been able to get over a week of
> uptime.  With it running, it never goes more than a day or two.  And
> that is with Virus Scanner = no and Spam Checks = no.
MailScanner bangs on the disk quite a bit as compared to just
sendmail/procmail. My suspicion is that the fault is associated with the
disk subsystem activity.

Are the system and RAID controller BIOS versions current?
The instructions said to use Windows 98 or better, so I installed

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