12-31-2008
I see you're trying to use a device mapper. Could you provide the initramfs scripts in /etc directory that create the device mapper rootfs? I use device mapper with cryptsetup/luks to encrypt my rootfs. The problem is probably that you don't have the appropriate scripts to create /dev/mapper/rootfs before init calls pivot_root.
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LEARN ABOUT CENTOS
cache_dump
CACHE_DUMP(8) System Manager's Manual CACHE_DUMP(8)
NAME
cache_dump - dump cache metadata from device or file to standard output
SYNOPSIS
cache_dump [options] {device|file}
DESCRIPTION
cache_dump dumps binary cache metadata created by the device-mapper cache target on a device or file to standard output for analysis or
postprocessing in XML format. XML formated metadata can be fed into cache_restore (see cache_restore(8)) in order to put it back onto a
metadata device (to process by the device-mapper target) or file.
-r, --repair
Repair the metadata whilst dumping it.
-h, --help
Print help and exit.
-V, --version
Output version information and exit.
EXAMPLES
Dumps the cache metadata on logical volume /dev/vg/metadata to standard output in XML format:
cache_dump /dev/vg/metadata
EXAMPLES
Dumps the cache metadata on logical volume /dev/vg/metadata whilst repairing it to standard output in XML format:
cache_dump --repair /dev/vg/metadata
DIAGNOSTICS
cache_dump returns an exit code of 0 for success or 1 for error.
SEE ALSO
cache_check(8) cache_repair(8) cache_restore(8)
AUTHOR
Joe Thornber <ejt@redhat.com>
Heinz Mauelshagen <HeinzM@RedHat.com>
Red Hat, Inc. Thin Provisioning Tools CACHE_DUMP(8)