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Data Recovery from a Zero-Filled Drive - Is it possible?
The short, and definitive, answer is, "No." Whether this was possible or not was being discussed on the JAWS for Windows Group, but the answer is likely to be of interest to some here as well.
I asked about this on Technibble, a forum for IT professionals, because I knew that several regulars there do data recovery as their primary business. Although those "not in the biz" cannot join that forum, they can read there. For those interested in the actual topic where this is discussed, see:
If you use the format command with the slash P:0 switch, you don't need to do any additional passes.
--
I asked about this on Technibble, a forum for IT professionals, because I knew that several regulars there do data recovery as their primary business. Although those "not in the biz" cannot join that forum, they can read there. For those interested in the actual topic where this is discussed, see:
Data Recovery from a Zero-Filled Drive
If you use the format command with the slash P:0 switch, you don't need to do any additional passes.
--
Brian - Windows 10, 64-Bit, Version 22H2, Build 19045
There are two novels that can change a bookish fourteen-year-old's life: The Lord of the Rings and Atlas Shrugged. One is a childish fantasy that often engenders a lifelong obsession with its unbelievable heroes, leading to an emotionally stunted, socially crippled adulthood, unable to deal with the real world. The other, of course, involves orcs.
~ John Rogers
Brian's Mail list account
Well logic would dictate to me, if 0 is truly written to all sectors, and the fat table of whatever format is set to empty and the file names removed, than to all intents and purposes it is blank. Are we talking physical drives here?
The only thing that can happen is if there wre some faulty sectors and during the life of the drive these got masked out as unreliable those may still contain data, but you would need some way to bypass the firmware in the drive to see them again and the chances of them holding anything useful would be minimal as most drives do tests on the sectors to check before they mask them off overwriting anything that might have been there previously.
I'm not sure what SSDs do, but there would seem to be no valid reason for them to be treated differently.
Brian
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The only thing that can happen is if there wre some faulty sectors and during the life of the drive these got masked out as unreliable those may still contain data, but you would need some way to bypass the firmware in the drive to see them again and the chances of them holding anything useful would be minimal as most drives do tests on the sectors to check before they mask them off overwriting anything that might have been there previously.
I'm not sure what SSDs do, but there would seem to be no valid reason for them to be treated differently.
Brian
--
bglists@...
Sent via blueyonder.(Virgin media)
Please address personal E-mail to:-
briang1@..., putting 'Brian Gaff'
in the display name field.
----- Original Message -----
From: "Brian Vogel" <britechguy@...>
To: <chat@nvda.groups.io>
Sent: Friday, November 18, 2022 12:54 AM
Subject: [chat] Data Recovery from a Zero-Filled Drive - Is it possible?
The short, and definitive, answer is, "No." Whether this was possible or not was being discussed on the JAWS for Windows Group, but the answer is likely to be of interest to some here as well.
I asked about this on Technibble, a forum for IT professionals, because I knew that several regulars there do data recovery as their primary business. Although those "not in the biz" cannot join that forum, they can read there. For those interested in the actual topic where this is discussed, see:
**********************************************************************************************************************************
Data Recovery from a Zero-Filled Drive ( https://www.technibble.com/forums/threads/data-recovery-from-a-zero-filled-drive.89078/ )
**********************************************************************************************************************************
If you use the format command with the slash P:0 switch, you don't need to do any additional passes.
--
Brian - Windows 10, 64-Bit, Version 22H2, Build 19045
*There are two novels that can change a bookish fourteen-year-old's life: The Lord of the Rings and Atlas Shrugged. One is a childish fantasy that often engenders a lifelong obsession with its unbelievable heroes, leading to an emotionally stunted, socially crippled adulthood, unable to deal with the real world. The other, of course, involves orcs.*
~ John Rogers
From: "Brian Vogel" <britechguy@...>
To: <chat@nvda.groups.io>
Sent: Friday, November 18, 2022 12:54 AM
Subject: [chat] Data Recovery from a Zero-Filled Drive - Is it possible?
The short, and definitive, answer is, "No." Whether this was possible or not was being discussed on the JAWS for Windows Group, but the answer is likely to be of interest to some here as well.
I asked about this on Technibble, a forum for IT professionals, because I knew that several regulars there do data recovery as their primary business. Although those "not in the biz" cannot join that forum, they can read there. For those interested in the actual topic where this is discussed, see:
**********************************************************************************************************************************
Data Recovery from a Zero-Filled Drive ( https://www.technibble.com/forums/threads/data-recovery-from-a-zero-filled-drive.89078/ )
**********************************************************************************************************************************
If you use the format command with the slash P:0 switch, you don't need to do any additional passes.
--
Brian - Windows 10, 64-Bit, Version 22H2, Build 19045
*There are two novels that can change a bookish fourteen-year-old's life: The Lord of the Rings and Atlas Shrugged. One is a childish fantasy that often engenders a lifelong obsession with its unbelievable heroes, leading to an emotionally stunted, socially crippled adulthood, unable to deal with the real world. The other, of course, involves orcs.*
~ John Rogers