Thanks for the replies.
I spoke with a colleague who suggested that btrfs may indeed be 'the
smoking gun'. Normally we use a 151 MR minidisk as the root file system.
This virtual machine happened to also have an 1151, which probably also has
a Linux system on it. He said btrfs could possibly choose to boot from
that disk. Perhaps we have our /etc/fstab wrong
(/dev/disk/by-id/ccw-0X0000-part2
/ btrfs noatime 1 1).
1) Is this a known behavior for btrfs?
2) What would the recommendation be for /etc/fstab to prevent this from
happening?
Sorry, I have had little experience with btrfs and am getting rusty at
building systems from scratch.
Thanks.
-Mike M
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