An addendum to my previous post...
Ran into an issue this weekend where we'd added a new disk to the root VG of a
system and that system wouldn't boot because we didn't recreate the initrd.
Yes, really! We actually had to recreate the initrd just because we added a
disk to the root VG.
Being the non-conformist that I am, I couldn't abide that requirement, so a
small script and 3 commands later, I now have that problem solved.
Save this script as /lib/mkinitrd/scripts/setup-dasd_all.sh:
<<snip>>
#!/bin/bash
#
#%stage: device
#
cat > $tmp_mnt/etc/udev/rules.d/51-dasd-all.rules <<EOF
ACTION=="add", SUBSYSTEM=="ccw", DRIVER=="dasd-eckd", ATTR{online}="1"
ACTION=="add", SUBSYSTEM=="ccw", DRIVER=="dasd-fba", ATTR{online}="1"
ACTION=="add", SUBSYSTEM=="ccw", DRIVER=="dasd-diag", ATTR{online}="1"
EOF
verbose "[DASD] All DASD devices"
<<snip>>
Tell mkinitrd to use it: (all one line...watch for wrappage)
ln -s ../scripts/setup-dasd_all.sh /lib/mkinitrd/setup/$(basename
/lib/mkinitrd/setup/*-dasd.sh | cut -f 1 -d -)-dasd_all.sh
Recreate the initrd:
mkinitrd -v
You should see a line that says:
[DASD] All DASD devices
Now run zipl: (however you normally do it)
zipl
And now you're protected from missing disks in your root VG.
Leland
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