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тАО01-13-2010 05:53 AM
тАО01-13-2010 05:53 AM
itanium, how to dd system disk
I want to blank the system disk on an Itainium SX200 Super Dome.
Is it possible to boot from a cdrom or ignite into single user mode and write the disks with zeros using dd ?
Thanks
Dan
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тАО01-13-2010 06:03 AM
тАО01-13-2010 06:03 AM
Re: itanium, how to dd system disk
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тАО01-13-2010 06:24 AM
тАО01-13-2010 06:24 AM
Re: itanium, how to dd system disk
Yes, get the boot device from:
lvlnboot -v
prior to going single user.
This is not a good method however.
Better to do a generic OS install into the boot disk.
SEP
Owner of ISN Corporation
http://isnamerica.com
http://hpuxconsulting.com
Sponsor: http://hpux.ws
Twitter: http://twitter.com/hpuxlinux
Founder http://newdatacloud.com
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тАО01-13-2010 07:08 AM
тАО01-13-2010 07:08 AM
Re: itanium, how to dd system disk
Well, If I understand you want to be sure that a system disk would be never recoverable.
If you have two disk, boot on a good one and dd the bad disk is easy but if you asking for boot cdrom or ignite ...
I could suppose you have one disk only, the bad systeme disk which it's not bootable, I think you have to
1 - boot on a recovery shell mode [ ignite or cdrom ]
2 - load file dd if is not present on the recovery shell [ not sure ]
3 - recognize your disk with ioscan
4 - dd the bad disk
If the bad disk have a good system on it, you could try to boot single and made a dd on it.
HTH
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тАО01-13-2010 04:31 PM
тАО01-13-2010 04:31 PM
Re: itanium, how to dd system disk
If all you want to do is make it "really difficult" then booting from alternate media and scribbling all-over the disc several times with different patterns may suffice.
However, my recollection of past discussions is that "spared sectors" will not get wiped by scribbling via stuff like dd...
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тАО01-14-2010 05:25 AM
тАО01-14-2010 05:25 AM
Re: itanium, how to dd system disk
Unix operates with beer.