Anyway the unanimous answer was to 
 
 1.  boot -r from prom level
 2.  reboot -- -r from command line or
 3.  touch /reconfigure and reboot
I guess the question was Dumb enough, since the answer seemed much too simple.
I'm in the process of getting used to this Solaris 2.x and am no SYSV guy.
I wish Sun had that one big binder things as in the past where I could refer
to in one place. It made life too complicated by having small books with as
little as 20 pages. 
Thanks to all of you. 
Anil Katakam :-)
 >> | 
 >> | Managers,
 >> | I have Installed a Sun 4.2 GB DiskPak on our SS10 running Solaris 2.2.
 >> | We have added an FSBE/Sbus card and the DiskPAK was installed on this 
 >> | bus since there is already an internal drive sd0 in the system. 
 >> | The system upon reboot identifies the disk as sd7,8,9,10 on esp1. This
 >> | I found from the "prtconf" command.
 >> | However when I run format none of these drives are seen except for the
 >> | root drive sd0 ( i.e. c0t3d0 ). I checked the /dev/rdsk dir for the
 >> | device files for these disks. Since they were not there, I assume format
 >> | does not know the new disks. 
 >> | 
 >> | My question is How do I make these new device files ( probably the equivalent
 >> | of MAKEDEV in old SunOS ) ???. 
 >> | 
 >> | I looked through different Docs but couldn't find any info. Even the DiskPAK
 >> | installation manual does not specify about it nor does the "Adding and Maintaining
 >> | Devices and Device Drivers". Of course I refered to others too.
 >> | 
 >> | If any of you have done this on a SS10 before please correct me if I did anything
 >> | wrong. Since the DiskPAK installation manual did not tell me to change any jumpers
 >> | nor does the FSBE/SCSI card if it needs to be the 2nd card on board. I didn't
 >> | change any jumper settings. 
 >> | 
 >> | 
From: sgs@hogpa.att.com  : Stephen.G.Scott@att.com
 
         Just your basic dumb question - Did you do a boot -r to reconfigure
 the system?  I just installed one on a Sparc1000 and all I had to do was
 plug it in, boot -r, format/partition and off it went!
 
                                         Steve 
---------------
 From: wtilford@lgc.com :  Wayne Tilford	EMail:wtilford@lgc.com
 
 The thing to do for Solaris is to :
 
 1.  boot -r from prom level
 2.  reboot -- -r from command line
 3.  touch /reconfigure and reboot
 
 You would use prtconf to look for devices. The drvconfig utility is responsible
 for configuring the /devices directory to reflect the dev_info tree in the 
 kernel. This utility is run automatically bu /sbin/rcS script.
 
 
----------------
 From: George Ross <gdmr@dcs.ed.ac.uk>
 
 Did you remember to "boot -r" after you added the new hardware?
 -- 
 From: epolgar@icon.hu (Endre Polgar)
 
 Use 'boot -r' to force the system to look for 
 your new devices.
 
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