Solaris box got hard power cycled.
It gets stuck during boot in /usr/sbin/nsrd according to my diagnostics.
Can boot in single user mode and see file systems.
Did fsck and fixed up a both / and /export/home. 
(Suspect that may have been not a good idea.)
Need a QUALITY consultation on reviving/diagnozing the box (not just killing 
legato/etc)
and advice on future possible issues with ufs. (what to do next time etc)
Amature sysadmins - dont bother :-)

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Request for Question Clarification by jaq-ga on 21 Apr 2002 15:40 PDT

I could use some clarification of the problem:

Is your machine still down, or back up and running?
You mention a concern about fsck'ing not having been a good idea- why?
If you got the machine to singler-user mode and then from there into multiuser, 
did you run nsrd?

Had the machine been rebooted before, since installation of Legato?

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Clarification of Question by weinerk-ga on 21 Apr 2002 16:22 PDT

i am responding to Request for Question Clarification by jaq-ga on 21 Apr 2002 
15:40 PDT 

re: Is your machine still down, or back up and running?
if attempt to normally boot in multiuser mode - will get stuck at nsrd

re: You mention a concern about fsck'ing not having been a good idea- why?
did some superficial reading about fsck of mounted filesystems

re: If you got the machine to singler-user mode and then from there into 
multiuser, 
did you run nsrd?
I believe it is in one of the autostart rc scripts

re: Had the machine been rebooted before, since installation of Legato?
yes.
Legato came with standard solaris 8 install.

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Request for Question Clarification by jaq-ga on 21 Apr 2002 16:29 PDT

Re:Legato came with standard solaris 8 install.

But presumably the system wasn't configured to run it on first boot, so my 
question really is, has the system booted in the past and started up without 
hanging on nsrd? I ask because it's possible that Legato and its associated 
daemons were run manually (or by the configuration scripts)when Legato was 
first configured and the machine has never been able to boot normally since 
then, but hasn't needed to.

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Clarification of Question by weinerk-ga on 21 Apr 2002 21:06 PDT

re: But presumably the system wasn't configured to run it on first boot
wrong.

re: so my question really is, has the system booted in the past and started up 
without hanging on nsrd? 
yes.

I looked on a Solaris 2.5.1, 2.6, 7, and 9 box. There is no "/usr/sbin/nsrd".
Perhaps did you mean "/usr/sbin/nscd"? If so, I'll answer your question as soon
as Google approves me! ;) 
 
BTW, don't you have a Sun support contract?

There is an nsrd which is part of Legato's Networker (a backup and restore 
product). Try disabling this daemon in your startup and see if the boot to 
multiuser progresses.

If you want to do some self diagnosis, you can launch nsrd under a truss. If you
can understand what truss is saying, it can lead you to your own solution.