http://bugzilla.novell.com/show_bug.cgi?id=557612
http://bugzilla.novell.com/show_bug.cgi?id=557612#c6
--- Comment #6 from Neil Brown 2009-12-15 05:02:22 UTC ---
I finally got around to comparing 11.1 (or 11.0 actually) with 11.2.
It seems that in 11.1, the initrd scripts will try to activate all
arrays listed in /etc/mdadm.conf, Then the regular boot scripts
will try again. This doubling up allowed md/12 to assembled in
the initrd, then md1 to be assembled by /etc/init.d/boot.md.
In 11.2, the initrd only assembled the arrays that are needed to find the root,
so md/12 is no longer assembled in the initrd, so boot.md is not able
to assemble md1 - until you changed the order in mdadm.conf
so:
- could close this bug as 'invalid' because there was a configuration
error which just happened to work before - by accident.
- or maybe we should see this is a feature request - presumably
you used "mdadm -Ds" or "mdadm -Es" to help generate mdadm.conf
and maybe they should be clever enough to get the order of
array right.
I don't think I want to try to get mdadm -[ED]s to sort things.
The "preferred" way to start arrays should be to use "mdadm -I" from
udev. This completely avoids any ordering issues in mdadm.conf.
So maybe I should make a feature request for mdadm -I to be used in udev...
or maybe I'll do that latter...
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