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Description of problem:
Cosmetics: without multipath in use / configured rhev-h complains on boot that it can't open /etc/multipath/wwids (no such file).

Version-Release number of selected component (if applicable):
20120209

The problem is this file doesn't exist in the base image.  It's generated and persisted during the installation.  This means it's not available when the image is booting.  

One possible solution is to have an empty file there in the base image.

> One possible solution is to have an empty file there in the base image.

http://gerrit.ovirt.org/#change,3097

Verified on 6.3-20120330 build:
1. first, reproduce the bug on 6.3-20120215.0 build, during boot can see the error "cannot open file [/etc/multipath/wwids] readonly: no such file or directory".

2. verified on 6.3-20120330 build, boot cannot see the error anymore.

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Since the problem described in this bug report should be
resolved in a recent advisory, it has been closed with a
resolution of ERRATA.

For information on the advisory, and where to find the updated
files, follow the link below.

If the solution does not work for you, open a new bug report.

http://rhn.redhat.com/errata/RHBA-2012-0741.html