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       pvpath -h

       pvpath [-d] [-v] [-c] -qa

       pvpath [-d] [-v] [-q [-c] ] [-p<#>  [-e  {y|n}]  [-w  <#>]
              ...]  <physical volume>


       pvpath allows to change the state of defined paths and the
       way these paths are used for load balancing.

       -a, --all
              This option is only valid for queries. If given the
              query  will  print  information for all multipathed
              physical volumes.

       -c, --columns
              Changes the output of the query into something less
              readable by humans but better parseable by scripts.

       -d, --debug
              Enables additional debugging  output  (if  compiled
              with DEBUG).

       -h, --help
              Print  a  usage message on standard output and exit

       -e, --enable {y|n}
              Enables or disables the current path.

       -p, --path <number of path [0...15]>
              Selects the current path.  Options  that  change  a
              path apply to the current path only.

       -q, --query
              Enables  informational  output  about  the physical
              volumes. If  this  option  is  used  together  with
              options that change the path(s) the output reflects
              the state after the changes took place.

       -v, --verbose
              Gives verbose runtime information about  pvchange's

       -w, --weight <weight [0...255]>
              Sets the weight of the current path. Load balancing
              is done only over paths that have the same  weight.
              Paths with higher weight are used only if there are

       "pvpath -p1 -en /dev/sda1" disables path number 1  of  the
       given physical volume.

       "pvpath  -q  vg01 1" queries the state of all paths of the
       first physical volume of the volume group named "vg01"


       pvpath returns an exit code of 0 for success and >  0  for

       1  no physical volume name(s) on command line
       2  no physical volume names found
       3  error changing physical volume in kernel
       4  error writing physical volume

       95 driver/module not in kernel
       96 invalid I/O protocol version
       97 error locking logical volume manager
       98 invalid lvmtab (run vgscan(8))
       99 invalid command line

See also



       Stefan Bader <Stefan.Bader@de.ibm.com>

Stefan Bader                LVM TOOLS                   PVPATH(8)



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