Weird network connection problem
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Donald Becker becker at scyld.comTue Oct 1 12:05:24 PDT 2002
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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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