Originally Posted by peacepcf
I was wondering whether it's ok to zero write an ssd(nvm trim takes care of that) with dban, and why ssd life tells me that it expects my vertex to last until 2019, when ssds are advertised as having 2 million hour life spans. What I really need to know is, how I make everything else install by default on my hdd after installing windows on the ssd.
You can change the default install location with a quick registry change
Originally Posted by moonmanas
I generally secure erase writing 0's to the drive with Parted Magic
This doesn't work for SSDs because of the way they remap blocks for wear leveling. Your zeros are often written to completely different blocks than the ones the operating system thinks are being written.
The only completely secure way to erase a SSD is to use the built-in secure erase functionality, and that's only if the manufacturer implemented it properly. Many don't, especially with older SSDs. Then again, in practice getting at any remnants of the data would require disassembling the SSD and accessing the flash chips directly, bypassing the controller. So it's relatively safe to just zero out the drive, but I wouldn't trust that for anything truly sensitive. I also would never run an unencrypted SSD for any reason, but my needs for security are much higher than the average OCN member.