Re: upgrading from f28 to f29 messed up my system...

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On 12/7/18 9:41 AM, Samuel Sieb wrote:
This option tells lvm not to find any volumes on the raw hard drive partitions.  So it will wait until the RAID is up to find the volumes there.


This bug also affects RHEL and CentOS 7.6.  It's tracked here:
https://bugzilla.redhat.com/show_bug.cgi?id=1656424

The problem only affects LVM on software RAID whose metadata is 0.90 version.  Since 0.90 can't checkpoint a recovery action, one (admittedly very risky) option is to replace the RAID metadata.

mdadm --stop /dev/md/md-name
mdadm --create /dev/md/md-name --run --level=1 --raid-devices=2 --metadata=1.0 --assume-clean /dev/sdc1 /dev/sdd1

The set would get a new UUID, so you may need to adjust kernel arguments after doing so.  As always: make backups before doing risky things.
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