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We just lost 3TB of data on a SanDisk Extreme SSD
(www.theverge.com)
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this post was submitted on 07 Aug 2023
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Technology
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It didn't fail in the sense of reporting an I/O error, but it did fail in the sense that the bytes previously written to it can't be read any more.
Could be. SSD firmware is pretty notorious for data loss.
Which is why I don't trust hardware RAID controllers, only software RAID, preferably with per-block checksums so that the software RAID controller knows which copy is the good copy.
The author is using macOS, whose APFS file system has those features. Linux's btrfs does too.