On 11/18/22 09:53, Rich Pieri wrote:
On Fri, 18 Nov 2022 09:21:50 -0500
Daniel M Gessel<[email protected]> wrote:
I've heard that some SSDs wear out pretty quickly, but I'm not sure
if that's real or just rumor and innuendo.
In between. A flash block has a finite number of writes before it wears
out and stops working. A flash chip is made of many such blocks, and a
SSD is made of a number of such flash chips. Therefore every SSD has a
finite write life.
In practice? It's not something you need to worry about as long as you
run fstrim periodically. Consumer SSDs typically will last longer than
the machines they ship in.
I've only recently begun to use solid state drives. I had not heard of
/fstrim/ prior to this.
Debian's man page on /fstrim/ indicates running /fstrim/ frequently or
using/mount -o discard/, might negatively affect the lifetime of a
poor-quality SSD, but for most desktop/server systems, running it once a
week is sufficient.
https://manpages.debian.org/bullseye/util-linux/fstrim.8.en.html
The SSD I am using, Western Digital WD Blue SA510 SATA, came with a
5-year warranty and the MTTF (Mean Time To Failure) shows 'up to 1.75
million hours'.
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