Hi Hamish,
> Any thoughts about diagnosing storage unmounting with no explanation
> is dmesg? This seems rather strange to me. I'm using a powered hub
> too now, in case I forgot to mention. Other volumes on the same
> external disk stay mounted.
- How does the filesystem which keeps unmounting differ from the other
ones on that disk which don't?
- What's that filesystem used for?
- Does ‘sudo lsof /dev/sda1’, adjusted as appropriate, show surprising
programs using that filesystem?
- Is it possible it is deliberately unmounted from userspace due to some
forgotten or erroneous program?
- If the mount-point is altered, does the problem continue?
This may be impractical to test.
- Have you fun a *forced* fsck on the unmounted filesystem?
- Have you read every byte of the block device?
- Does putting it under stress in this manner make an unmount more
likely?
--
Cheers, Ralph.
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