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HDD can be written multiple times with random data if data centers really have to protect what their former customers wrote on them. I never looked at those det
by pmontra 1y ago
HDD can be written multiple times with random data if data centers really have to protect what their former customers wrote on them. I never looked at those details in standard contracts.
There is also encryption at rest.
- teeray 1y ago> HDD can be written multiple times with random data Which costs more in compute than simply throwing the drive in a shredder
- walterbell 1y agoWhat's the disposal method for shredded drives?
- faeyanpiraat 1y agoMount Doom
- rwyinuse 1y agoNot really, if we give the HDD some resale value. There's a market for used but functional hard drives.
- tencentshill 1y agoThey have enough investor money they don't need to recoup it selling used drives. Straight to the shredder.
- jimwalsh 1y agoAll the large datacenter/cloud companies do not let hard drives leave the building.
- SoftTalker 1y agoAll you really need to do is write one pass of zeros on them. That will prevent anyone but a very dedicated adversary with expensive equipment from recovering any data, especially on TB scale drives. Can still take hours per drive though, which is why a lot of people skip it.
- edoceo 1y agoI make a random 1MB chunk, then write that all over the drive, at overlapping offsets. I've been told that really clears it. On IDE-spinning-rust disks I trusted it, not sure if I should trust these modern SSD
- p1mrx 1y agoWhy rewrite the same 1MB chunk, instead of making new random chunks? Redundant data at least opens the possibility that the drive could deduplicate.
- edoceo 1y agoCause making new random was taking too much time.
- throwawaymobule 1y agoPretty sure most modern computers can generate random data faster than they can write to a disc.
- krior 1y agoOr encrypt it and just trash the encryption header.
- PeaceTed 1y agoWhen I used to do computer refurbishment, 'Boot and Nuke' was great for this. Load it up at boot, and write over the with random junk a few times.
- ComputerGuru 1y agoI wrote hddrand to write random data and optionally read it back to verify integrity. https://github.com/mqudsi/hddrand https://github.com/mqudsi/hddrand