On 29/05/2007, at 10:41 PM, Stuart Henderson wrote:

if you have a recent bios that lets you set the low-temp fan duty
cycle to 0% to quieten things down while you do the initial install,
make sure the 'power off if cpu fan fails' option is turned off or
you'll have an aggravating 'enter the bios at just the right time'
session.

I wish I'd known I could have shut those fans up when I was setting up my x4100s! Thanks for the tip.

if anyone has a working PXE bios-flash setup for these and wouldn't
mind sharing how, please drop me a line, when I try the system hangs
after memdisk loads the bios-flash image.

I'd be interested to know about this too. Since my x4100s have no CD/ DVD ROM drive (I've got the four-SAS-disk config) I can't use Sun's BIOS CD image. I couldn't even mount the ISO to get at the necessary files. With their releases prior to 1.3 they provided the individual files which made it easy to make a floppy image that could then be written to a USB stick. A PXE solution would be even better.

latest bios on sun's ftp site fixes erratum 89, first time I've seen
an amd64 box boot without it. and hooray: the bios *defaults* to using
serial console, so you don't lose access if the CMOS battery dies.
other vendors would do well to copy that idea.

Very true.

My pet peeve is that I can't move the service processor's ssh to a high port number and disable password authentication. Logging in to the embedded OS and editing the ssh config file by hand doesn't work, presumably because it's not sitting on writable media when it's running. I can't really be bothered digging in to the source and building my own service processor OS image.

Have you had any success with IPMI SoL? Whilst the Java app works fine for remote access, I'd much rather not have to launch it when all I really want is access to the console.

Sam

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