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Full Discussion: Solaris box completely wipe
Operating Systems Solaris Solaris box completely wipe Post 302902205 by Perderabo on Monday 19th of May 2014 12:00:05 PM
Old 05-19-2014
Well, he mentions booting from CD. Yes, you can boot from and installation disk in general. I share Jim's fustration at the lack of any hardware info. With a sparc system you just do "boot cdrom -s" from the OK prompt. The system should boot into single user mode from the Installation disc. It will give you a root prompt. And yes you can run format.

However, under Solaris 10, I sure do not see any "purge" command in the format utility. There is a "format" command. It would probably do an adequate job on a SCSI disk.

I would probably do:
Code:
dd if=/dev/zero bs=1048576 of=/dev/rdsk/c1t1d0s2

I understand what dd is doing much more clearly than the format utility which I find to be a little opaque.

Here at work we have a very powerful demagnetizer which can wipe a disk in few seconds. We do that and throw the drive in a bin to await final destruction. Every few months a guy comes by with a "chipper". It is like the chippers used to turn tree branches into sawdust but it is intended for disk drives. It chops the disks up. Not quite to dust, but it turns them into chunks. It looks kinda like a breakfast cereal. He says he can recycle the chunks somehow. That must be a interesting trick.

Disks are not very expensive these days, but the data on them can be priceless. This is why we are required to use physical destruction. You might want to consider that.
 

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LEARN ABOUT X11R4

installboot

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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