Re: OT: SSD vs spinning rust
Steve Litt via Ale <[email protected]>
| Newsgroups | gmane.org.user-groups.ale |
|---|---|
| Message-ID | <[email protected]> |
On Tue, 4 Nov 2025 18:08:21 -0800 Ron via Ale <[email protected]> wrote: > Wayne via Ale wrote on 2025-11-03 10:00: > > > SSDs (flash memory) are more susceptible to Bit-Rot, and more so > > with the higher densities MLC, TLC, and QLC in order of increasing > > density. Elevated temperatures, particular during storage, > > exacerbate the problem. > > > > Long term 'storage' is probably more reliable with a good quality > > hard- drive. But hard-drives are physically more fragile, so not as > > good with laptops in motion. > All true, but bit rot is a solved problem with: > > ZFS mirroring on redundant disks. > > > Since storage is generally cheap-ish, and data is invaluable, a > mirror vdev in ZFS, which *detects* and *corrects* bit rot is the > only way to go. > > All the other features are just icing on the cake. How much bit rot can ZFS correct? The more redundancy (typically parity bits), the bigger errors it can correct. SteveT Steve Litt Featured book: Troubleshooting Techniques of the Successful Technologist http://www.troubleshooters.com/techniques _______________________________________________ Ale mailing list [email protected] https://mail.ale.org/mailman/listinfo/ale See JOBS, ANNOUNCE and SCHOOLS lists at http://mail.ale.org/mailman/listinfo