Hi! > > Sent: 02 July 2020 22:17 > > > > during a FLASH write or erase can cause from weakened cells, to much > > > > larger damage. It is possible to harden the chip or the design against > > > > this, but it is *expensive*. And even if warded off by hardening and no > > > > FLASH damage happens, an erase/program cycle must be done on the whole > > > > erase block to clean up the incomplete program cycle. > > > > > > It should have been SSD's(including FW) responsibility to avoid data loss when > > > the SSD is doing its own BG writing, because power cut can happen any time > > > from SSD's viewpoint. > > > > It should be their responsibility. But we know how well that works > > (not well), so we try hard (and should try hard) to power SSDs down > > cleanly. > > I hope modern SSD disks are better than very old CF drives. Testing showed there were not few yars ago. > I had one where the entire contents got scrambled after an unexpected > power removal. If you have SSD you are willing to kill, I believe you can get to same result with a bit of patience. Best regards, Pavel-- (english) http://www.livejournal.com/~pavelmachek (cesky, pictures) http://atrey.karlin.mff.cuni.cz/~pavel/picture/horses/blog.html
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