Yolinux.com

cache_dump manpage

Search topic Section


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.

       This tool cannot be run on live metadata.


       -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)