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Description of problem:
rc.sysinit contains code so that it avoids starting unused RAID
volumes, but unfortunately it only looks in /etc/fstab for references.
 if /dev/md0 is the physical volume for a volume group, there will be
no reference to /dev/md0 in fstab, and raidstart is skipped.  vgchange
will


Version-Release number of selected component (if applicable):
initscripts-7.42.2-1

How reproducible:
Always

Steps to Reproduce:
1. make /dev/md0
2. make it part of a volume group
3. make a volume, and mount it automatically in fstab


Actual Results:  fsck fails since it can't find the device, since
raidstart for md0 was skipped.  vgchange won't enable the volume
group, since it can't see the physical volume.  the device node for
the volume is thus rendered invalid.

Expected Results:  rc.sysinit should somehow understand that md0
actually was used by the system _or_ it should try to enable all
software raid sets.

Additional info:

(I set the severity high since it can lead to highly surprising and
inopportune failures during reboot, and the workaround isn't entirely
obvious for new users (set INFSTAB=1 rather than run grep))