$LCTL set_param osc.*osc-[^mM]*.checksum_dump=0
$check_ost &&
do_facet ost1 $LCTL set_param obdfilter.*-OST*.checksum_dump=0
- [ -n $osc_file_prefix ] && rm -f ${osc_file_prefix}*
- $check_ost && [ -n $ost_file_prefix ] &&
+ [ -n "$osc_file_prefix" ] && rm -f ${osc_file_prefix}*
+ $check_ost && [ -n "$ost_file_prefix" ] &&
do_facet ost1 rm -f ${ost_file_prefix}\*
}