grub 2.02, Fedora x86-64.I have /dev/sda and /dev/sdb in a RAID-1 configuration. This is the Linux kernel's md-raid driver.
/dev/sda started failing SMART.I ran /sbin/grub2-install /dev/sdb. My recollection is that it ran without any complaints.
After that, I yanked out /dev/sda. I reattached /dev/sdb as /dev/sda, and put in a new hard drive as the new /dev/sdb.
I booted up, and kicked off a rebuild of my RAID-1 volumes, everything is going well.
Now, after all of that was done, I decided to install grub2 on the new /dev/sdb:
[root@monster ~]# /sbin/grub2-install /dev/sdb Installing for i386-pc platform./sbin/grub2-install: warning: Couldn't find physical volume ‘(null)’. Some modules may be missing from core image.. /sbin/grub2-install: warning: Couldn't find physical volume ‘(null)’. Some modules may be missing from core image..
Installation finished. No error reported. Now, anyone have any idea what's up with these warnings?More importantly, should I dare to run /sbin/grub2-install /dev/sda, just to make sure everything is nicely in sync?
P.S., currently I still have one raid volume syncing, but this does not appear relevant.
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