At least with a total failure you know something is wrong, whereas with a functioning but flaky SSD, you could be experiencing a slow drip of bit rot. I guess that this is another possible reason to avoid TLC and QLC drives.
Dave On 11/8/19, Chris Cappuccio <[email protected]> wrote: > Raymond, David [[email protected]] wrote: >> Thanks for the insight on SSDs -- sounds like there is not much of an >> issue with modern drives. >> > > If write endurance is a concern, you can buy higher grade SSDs that have > constant latency (at the expense of max speed) and a lot of extra flash. > I would avoid the TLC drives for servers and the QLC drives for everything, > if writes are heavy. > > My biggest problem with SSDs has been total failures. I run pairs of SSDs > in softraid RAID 1 for this reason. > -- David J. Raymond [email protected] http://physics.nmt.edu/~raymond
