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Operating Systems Solaris Passwd,shadow files deleted and abort sequence disabled Post 302644233 by bakunin on Monday 21st of May 2012 01:43:07 PM
Old 05-21-2012
The following should work wether the break-sequence is disabled or not:
  • Take an identical system. Make sure you can boot/install it and install the OS to a new disk.
  • Take out this disk and connect it to the system you want to revive as the first harddisk. You may have to disconnect your faulty disk and attach it differently to prevent the system to attempt booting from there. Boot the normally from this disk.
  • Attach the original disk to the system, mount its file systems and make the necessary changes to make it bootable again.
  • Shut down, remove the new disk and put the revived disk into its place again.

This generic approach works on virtually every OS i have encountered so far. If this doesn't work then please tell us why and what exact problem you encountered.

I hope this helps.

bakunin
 

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installboot(1M) 														   installboot(1M)

NAME
installboot - install bootblocks in a disk partition SYNOPSIS
installboot bootblk raw-disk-device The boot(1M) program, ufsboot, is loaded from disk by the bootblock program which resides in the boot area of a disk partition. The ufs boot objects are platform-dependent, and reside in the /usr/platform/platform-name/lib/fs/ufs directory. The platform name can be found using the -i option of uname(1). The installboot utility is a SPARC only program. It is not supported on the architecture. users should use installgrub(1M) instead. bootblk The name of the bootblock code. raw-disk-device The name of the disk device onto which the bootblock code is to be installed; it must be a character device which is read- able and writable. Naming conventions for a SCSI or IPI drive are c?t?d?s? and c?d?s? for an IDE drive. Example 1: Installing UFS Boot Block To install a ufs boot block on slice 0 of target 0 on controller 1 of the platform where the command is being run, use: example# installboot /usr/platform/`uname -i`/lib/fs/ufs/bootblk /dev/rdsk/c1t0d0s0 /usr/platform/platform-name/lib/fs/ufs directory where ufs boot objects reside. /platform/platform-name/ufsboot second level program to boot from a disk or CD See attributes(5) for descriptions of the following attributes: +-----------------------------+-----------------------------+ | ATTRIBUTE TYPE | ATTRIBUTE VALUE | +-----------------------------+-----------------------------+ |Availability |SUNWcsu | +-----------------------------+-----------------------------+ od(1), uname(1), boot(1M), init(1M), kadb(1M), kernel(1M), monitor(1M), reboot(1M), rpc.bootparamd(1M), init.d(4), attributes(5) WARNINGS
The installboot utility fails if the bootblk or openfirmware files do not exist or if the raw disk device is not a character device. 11 Apr 2005 installboot(1M)
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