Holger,
Beware of the Broadcom Driver (tg3.o). 

It will randomly lock up the entire system with or without load until you
hit kernel 2.4.18-19 or higher.  I did not test the bcm5700.o driver, so it
may help at a performance cost.  If you search the archives you will find
several threads on it.  

Here is the RedHat note out on it as well:
https://rhn.redhat.com/errata/RHBA-2002-292.html

http://news.com.com/2100-1001-976427.html?tag=fd_top

Good luck!
Greg


        Date: Sat, 22 Mar 2003 11:38:06 +0100
        From: Holger Schwenk <[EMAIL PROTECTED]>
        To: [EMAIL PROTECTED]
        Cc: [EMAIL PROTECTED]
        Subject: [Oscar-users] OSCAR on blade-servers ?


        Hello,

        we have a runing OSCAR 2.0 + RedHat 7.3 on a cluster of several 1U
Supermicro
        servers and we want to extend the cluster by the more compact "blade
servers":

         - IBM xseries
(http://www.pc.ibm.com/us/eserver/xseries/bladecenter_family.html)
             2xBroadcom 1G ether BCM5703X, Linux tg3 module
             Serverworks CSB5 chipset

         - Nexcom HiServer 420 (http://www.nexcom.com.tw/2003/main.html)
             2x1G ethernet (chip ?)
             Intel E7500 chipset

        Has anybody experience with setting up OSCAR on these machines ?
        Both are known to work under RedHat 7.3, but it may be more or less
complicated
        to install OSCAR 2.0 on them depending on the PXE boot support and
necessary drivers
        for the network cards.

        Does anybody know if the built-in switches support ganglia
multicasting ?

        Thanks for your help

        Holger





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