Weird network connection problem
becker at scyld.com
Tue Oct 1 12:05:24 PDT 2002
On Tue, 1 Oct 2002, Yudong Tian wrote:
> We've got 200 nodes running, with each node having a Biostar MB with a
> built-in Realtek 8192
> NIC chip, and running RH 7.2, 2.4-17.
Which driver, including version number, are you running?
> Recently we've seen a weird problem with the network connection to
> some of these nodes. About 20 of them will lose their network
> connections during the course of a few hours to a few days. And if I
> just unplug the network cable from such a node and plug it back in
> right away, the connection will come back up.
Normally this would be a driver problem...
> Any insight where we should look for the problem: hardware? BIOS?
> Driver module? Such a problem does not happen to any nodes
> randomly. It only occurs to those 20 or so particular nodes, which are
> identical to others except their MAC addrs.
But this does hint at a hardware problem.
Donald Becker becker at scyld.com
Scyld Computing Corporation http://www.scyld.com
410 Severn Ave. Suite 210 Second Generation Beowulf Clusters
Annapolis MD 21403 410-990-9993
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