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To recover you will need to boot off of a CD-Rom or the network, then mount your root partition by hand to copy /etc/path_to_inst back on there
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If you end up having to try that make sure at least you use another V490, hopefully one with exactly the same hardware inside it.
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Thanks Ralph
It works as i have the V490 with the same hardware, you may say it a xerox copy. It worked when i was setting up the root device.
The system is now fine.
I can give the entire procedure by recalling the entire activites what i performed during recovery.
Code:
1- # boot cdrom -s (inserting the Solaris OS CD in the cdrom).
2- #fsck –y /dev/rdsk/c0t0d0s0
3- #mkdir /a
4- #mount /dev/dsk/c0t0d0s0 /a
5- #grep rootdev /a/etc/system
The result will be something like this :
* rootdev: Set the root device. This should be a fully
* rootdev:/sbus@1,f8000000/esp@0,800000/sd@3,0:a
rootdev:/pseudo/md@0:0,0,blk (for example)
The line that needs to be noted is the line beginning with rootdev. In the above example, the line "rootdev:/pseudo/md@0:0,0,blk" should
be the line noted.
6- #mv /a/etc/path_to_inst /a/etc/orig.path_to_inst
7- #init 0
8- ok>boot –ar
Resetting...
Software Power ON
Clock board TOD does not match TOD on any IO board.
Clock board TOD does not match TOD on any IO board.
slot Sun Enterprise 4000/5000, No Keyboard
OpenBoot 3.2.27, 320 MB memory installed, Serial #7923805.
Copyright 2000 Sun Microsystems, Inc. All rights reserved
Ethernet address 8:0:20:78:e8:5d, Host ID: 8078e85d.
Rebooting with command: boot -ar
Boot device: /sbus@3,0/QLGC,isp@0,10000/sd@8,0:a File and args: -ar
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NOTICE: 64-bit OS installed, but the 32-bit OS is the default
for the processor(s) on this system.
See boot(1M) for more information.
Booting the 32-bit OS ...
9- Enter filename [kernel/unix]: (press enter)
Enter default directory for modules [/platform/SUNW,Ultra-Enterprise/kernel /platform/sun4u/kernel /kernel /usr/kernel]:
10- Name of system file [etc/system]: (press enter)
SunOS Release 5.8 Version Generic_117350-02 32-bit
Copyright 1983-2003 Sun Microsystems, Inc. All rights reserved.
/
11- The /etc/path_to_inst on your system does not exist or is empty.
Do you want to rebuild this file [n]? y
root filesystem type [ufs]:
12- Enter physical name of root device
[/sbus@3,0/QLGC,isp@0,10000/sd@8,0:a]: <ENTER ROOTDEV noted ABOVE in BOLD HERE >
13- After the system boots check for the presence of the file
cd /etc/
ls –l
Love
Nil
