Everything I know about SSDs (2019)

Post by BeFlatXIII » Wed, Apr 03, 2024, 7:54 PM UTC

Eisenstein wrote: post #15

Something useful to know that wasn't mentioned: SSDs will corrupt data if sitting for extended periods without being powered on and thus should never be used for cold storage. "There are considerations which should be made if you are planning on shutting down an SSD based system for an extended period. The JEDEC spec for Enterprise SSD drives requires that the drives retain data for a minimum of 3 months at 40C. This…

Post by justsomehnguy » Fri, Apr 05, 2024, 11:43 AM UTC

Dalewyn wrote: post #37

caseyf wrote: post #10

Earlier quoted context omitted.

For NVMe, if you get the SMART data with smartmontools/smartctl, you can inspect Percentage Used. "Percentage Used: Contains a vendor specific estimate of the percentage of life used for the Endurance Group based on the actual usage and the manufacturer’s prediction of NVM life. A value of 100 indicates that the estimated endurance of the NVM in the Endurance Group has been consumed, but may not indicate an NVM failu…

>if you get the SMART data with smartmontools/smartctl, you can inspect Percentage Used. CrystalDiskInfo[1] can be used for this purpose over on Windows. Some vendor-provided utilities like Samsung Magician will also provide this data with appropriate drives. [1]: https://crystalmark.info/en/software/crystaldiskinfo/