#! /bin/sh . dm_tools.sh s1=89 s2=90 p1=path1 p2=path2 mpath=mpath # The tables we're going to be using for this test table_linear="0 1024000 linear /dev/hda3 8" table_flakey="0 1024000 flakey /dev/hda3 8 200 200" table_mpath="0 1024000 multipath 1 round-robin 2 0 /dev/mapper/path1 /dev/mapper/path2" # just in case the device already exists remove_quietly $p1 >&2 /dev/null remove_quietly $p2 >&2 /dev/null remove_quietly $mpath >&2 /dev/null # create the devices create $p1 $table_linear create $p2 $table_flakey create $mpath $table_mpath exit 0 # stamp a pattern via one of the paths stamp $p1 $s1 # check reads to mpath work verify $mpath $s1 exit 0 # wait for p2 to stop working sleep 20 verify $mpath $s1 # stamp across mpath stamp $mpath $s2 # remove all the devices (otherwise we get old data in the buffer # cache for p1) remove $mpath remove $p2 remove $p1 # check the mpath write worked create $p1 $table_linear verify $p1 $s2 remove $p1