So, buy a new MAC, they said...

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Deardorff Senior Member • Posts: 1,485
So, buy a new MAC, they said...
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https://diglloyd.com/

I lost my main Work volume today, a 4-blade RAID-0 stripe. Total destruction with all data corrupted as IntegrityChecker instantly showed for every file (including its own files)—even though Carbon Copy Cloner thought all was well with 800GB of cloning.

Proof that backing up is not enough—data integrity should be proven, not assumed—verify your backups with IntegrityChecker.

Trying to redo the corrupted volume, it corrupted a different volume on other blades and vice versa. This fiasco involves 12 NVMe SSD blades and RAID-0 (though only 4 each together). It is as if the system jumbled the numbers of all the blades on the PCIe cards, and thus any effort to use any of them would toast everything involving any of the blades.

That's all I want to say at this time because I’m still trying to wrap my head around repeated volume corruption of freshly-created volumes. Maybe it’s a macOS Catalina (Crapalina) + 2019 Mac Pro thing and maybe it is hardware and maybe it is software and who the hell knows. But I am working with appropriate parties to track it down.

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