Re: dump/restore and SElinux security context problem

At 8:06 PM -0700 4/22/06, Kayvan A. Sylvan wrote:
Hi everyone.

I was trying to upgrade from FC4 to FC5, but my root partition was too small
to accomodate the DVD image. So, I had to resize some partitions. GNU parted
was useless in that task (see Redhat Bugzilla Bug 90894).

Finally, I used "dump" to create a snapshot of a filesystem, then, using
the FC5 DVD to boot into rescue mode, used "restore" to recreate it.

The problem: during the restore, for every file, I get messages like this:

restore: lsetxattr ./System.map-2.6.15-1.1833_FC4 failed: Invalid argument

This feels like it's related to SELinux. In fact, looking at
the restored files with "ls -Z", I see that they are all unlabeled.

If I don't use the rescue CD, and instead, on a running system where SELinux
is enabled, do the following:

1) setenforce 0
2) restore from the dump.
3) setenforce 1

Then, the restored files are in their correct security context.

How do I get this same result (files completely restored, along with
their extended attributes) while using the rescue CD?

When booting the rescue CD, use the kernel command line:

linux rescue enforcing=0

along with any other options you need (when I remember, I use "hda=noprobe
hdb=noprobe").
____________________________________________________________________
TonyN.:' <mailto:tonynelson@xxxxxxxxxxxxxxxxx>
' <http://www.georgeanelson.com/>

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