[[ "$MGS_VERSION" -ge $(version_code 2.3.59) ]] ||
skip "Need MGS version at least 2.3.59"
+ check_versions || skip "do not replace_nids with mismatched versions"
+
setup
local OST1_NID=$(do_facet ost1 $LCTL list_nids | head -1)
local MDS_NID=$(do_facet $SINGLEMDS $LCTL list_nids | head -1)