TyantA Posted April 12, 2020 Share Posted April 12, 2020 I have two Crucial SSDs. I have to assume the warranty is out on both of them, however, it seems as though Crucial doesn't have a tool to tell me this. Their warranty form says they'll get back to me. So, going by the SMART readouts, which one of these drives, based on their respective errors, is the "better" one to put into service in a secondary unraid box as a cache drive? Drive 1: Power on hours: 295 (12d, 7h) Reallocate NAND block count 31 Reported uncorrect 17462 Offline uncorrectable 37 CrystalDiskInfo says 99% health remaining Drive 2: Power on hours: 585 (24d, 9h) Reallocate NAND block count 257 Reported uncorrect 7860 Offline uncorrectable 1 CrystalDiskInfo says 96% health remaining If it weren't for CrystalDisk's score, I would have assumed the 2nd one. Not sure what it bases its health score on. Are there other readings I should be paying attention to? Thoughts? Quote Link to comment
ghiglie Posted April 12, 2020 Share Posted April 12, 2020 (edited) They both looks like having lots of reallocated and uncorrected blocks, plus offline uncorrectable. Have you checked them with Crucial's tool, Storage Executive? Edited April 12, 2020 by ghiglie Quote Link to comment
TyantA Posted April 13, 2020 Author Share Posted April 13, 2020 (edited) No, I got as far as downloading it the other day with the intent of doing so. I'll check it out now. Edit: They both show as "good health" in Storage Executive. Running the short self-test now. Edit 2: Short self-tests both passed. So, I'm inclined to go by the % life remaining and put to use the one with "99%" even though some of the SMART values are higher, unless someone thinks there's a better measure to use. Edited April 13, 2020 by TyantA Results are in Quote Link to comment
ghiglie Posted April 14, 2020 Share Posted April 14, 2020 Uhm, I can't say I'd tust one of them. Are you setting it as cache? If the one left would sit a in a drawer, uou could use both, in BTRFS redundancy. Quote Link to comment
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