Rich Mingin (PLUG) via plug on 7 Nov 2022 13:56:19 -0800


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Re: [PLUG] Box won't boot after RAID drive swap


On Mon, Nov 7, 2022 at 4:30 PM Rich Freeman via plug
<plug@lists.phillylinux.org> wrote:
> Basically it does the right thing in most circumstances.  Hard to be
> certain what is going on here, but it could be that the distro has
> overridden the behavior and is preventing a degraded array from
> mounting, or the array just isn't finding any drives.  Keep in mind
> this is a computer that can't even be reliably booted to firmware, so
> this is getting beyond the scope of raid.

Getting ahead of the first issue. Don't blame failure to boot on the
array when the computer is frequently failing to complete basic power
on tests before turning off again. There is a hardware issue, beyond
just the disks. No OS is loaded at that time, if the box is powering
off mid-POST, there absolutely is a hardware problem to identify and
resolve before anything with md/LVM/etc come into play.

Could be a loose cable, could be power supply damage by the failing
disk, could be intermittent cosmic ray errors. Too little data to
guess meaningfully, beyond needing more troubleshooting.
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