On Sat, 7 May 2022, Alex Lieflander wrote:
I don’t trust the hardware I’m running on very much, but it’s all I have to
work with at the moment; it’s important that the array is resilient to *any*
(and multiple) single chunk corruptions because such corruptions are likely to
happen in the future.
For the last several months I’ve periodically been seeing (DM-Integrity)
checksum mismatch warnings at various locations on all of my disks. I stopped
using a few SATA ports that were explicitly throwing SATA errors, but I suspect
that the remaining connections are unpredictably (albeit infrequently)
corrupting data in ways that are more difficult to detect.
Sounds like a *great* test bed for software data integrity tools. Don't
throw that system away when you get a more reliable one!
That sounds like a situation that btrfs with multiple copies could
handle. Use a beefier checksum than the default crc-32 also.
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