For those in the know, how much success - assuming a "money is no object"
approach - do data recovery companies have in retrieving data from drives
that have a) been overwritten with zeros using dd or similar, and b) been
overwritten with random data via a more comprehensive tool?
cheers,
Jules
> On Apr 4, 2022, at 10:55 AM, Warner Losh via cctalk
> wrote:
>
> That's what a sanitize operation does. It forgets the key and reformats the
> metadata with a new key.
Yes, but the devil is in the details. For example, for the SSD case, it is
necessary verify that the flash block that pr
That's what a sanitize operation does. It forgets the key and reformats the
metadata with a new key.
Also, with SSDs, any erase block that's erased is going to not have any
data that's recoverable.
First, the erase voltage is huge, moving the cell to a negative
voltage (the only abode that's
negat
> SSD's are a different beast, if you're going to put data
> on them that you do not want recovered I would recommend encrypting the
> drive before using it, then when done delete/destroy the key. That
> should turn your drive into a useless (but format-able) chunk of silicon.
That's our take on i
Good data Paul! SSD's are a different beast, if you're going to put data
on them that you do not want recovered I would recommend encrypting the
drive before using it, then when done delete/destroy the key. That
should turn your drive into a useless (but format-able) chunk of silicon.
C
On 4/
> On Apr 4, 2022, at 10:20 AM, Jules Richardson via cctalk
> wrote:
>
> On 4/3/22 10:51, Eric J. Korpela via cctalk wrote:
>> drive removed and destroyed for privacy reason.
>
> For those in the know, how much success - assuming a "money is no object"
> approach - do data recovery companies
On 4/3/22 10:51, Eric J. Korpela via cctalk wrote:
drive removed and destroyed for privacy reason.
For those in the know, how much success - assuming a "money is no object"
approach - do data recovery companies have in retrieving data from drives
that have a) been overwritten with zeros using
>
>
>
>
> I think in this group, we have plenty of DLT IV tape drives?
> How many tapes are we talking?
>
About 2000. Commercial archiving services seem out of reach price wise.
Ah setiathome. Those systems in the photo will have handled a lot of my
personal data - well, compared to random other earthlings.
I don't really have fond memories of that series of Sun Enterprise though -
what are they, 3000 or 3500? Many a times that I stubbed my toes on that
v-shaped thing
How fortunate that I'm halfway across the continent :-)
mcl
On 2022-04-03 11:51, Eric J. Korpela via cctalk wrote:
From here:
https://setiathome.berkeley.edu/forum_thread.php?id=85870&postid=2096776#2096776
They are bog standard Sun Enterprise systems, drive removed and destroyed
for privacy reason. They are only interesting for what they've done. By
>From here:
https://setiathome.berkeley.edu/forum_thread.php?id=85870&postid=2096776#2096776
They are bog standard Sun Enterprise systems, drive removed and destroyed
for privacy reason. They are only interesting for what they've done. By
university rules, our group can essentially "permanent lo
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