lustre/tests/racer/file_create.sh

   1 #!/bin/bash
   2
   3 DIR=$1
   4 MAX=$2
   5 MAX_MB=256
   6
   7 OSTCOUNT=${OSTCOUNT:-$(lfs df $DIR 2> /dev/null | grep -c OST)}
   8
   9 while /bin/true ; do
  10         file=$((RANDOM % MAX))
  11         SIZE=$((RANDOM * MAX_MB / 32))
  12         echo "file_create: FILE=$DIR/$file SIZE=$SIZE"
  13         [ $OSTCOUNT -gt 0 ] &&
  14                 lfs setstripe -c $((RANDOM % OSTCOUNT)) $DIR/$file 2> /dev/null
  15         dd if=/dev/zero of=$DIR/$file bs=1k count=$SIZE 2> /dev/null
  16 done
  17