SLC booting problems

2007-12-25 7:17:00

Hi Again Folks:

Yesterday's query about problems with the boot sequence hanging on an SLC

running SunOS 4.0.3c has already generated a good response.

Most answers suggested checking /bin/sh and /dev/console for

existance, permissions and corruption. Alas, both were fine.

Rick Preston suggested the winning answer: check /sbin/sh.

I'm at a bit of a loss as to where /sbin/sh gets referenced as all of

the /etc/rc* scripts seem to use "#! /bin/sh -".

The bourne shell in /sbin was, indeed corrupted. Replacing this with a fresh

copy allowed the workstation to continue a little further along the boot

sequence until it started complaining thet getty was missing, and you don't

seem to get very far without a getty!

After re-booting from tape, I found that several other files in /sbin

were also damaged. Not really wanting to bother to pick apart the entire

filesystem to find what else had been corrupted, I decided to go ahead

and upgrade to 4.1.1 on this SLC.

Everything should be just fine now.

I did receive one suggestion that the SLC seems to be a little bit picky

about how the SCSI chain is terminated and removing the resistor packs

on the Disk Drive might help. As this disk had been functioning just fine

for several months, I don't think that would suddenly stop the system from

rebooting, but it is certainly something to keep in mind for new installs

that just don't quite want to work.

Special thanks to:

dan@BBN.COM (Dan Franklin)

flp@tcs.com (Rick Preston)

Full summary of all responses available upon request.

Thanks again for the incredible ongoing support!

trc

Engineering SysAdm Group

3Com Corporation

Santa Clara, CA

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