level 1 [deleted] 2 points · 29 days ago · edited 29 days ago judging from recent-ish creation time you want to try the new layout first you can set kernel parameter, module parameter or echo 1 > /sys/module/raid0/parameters/default_layout and then try --stop, --assemble again EDIT: the comment confused me, 1 (not 0) is the NEW layout. 2 (not 1) is the OLD layout.