> while most of the Linux software-RAID related tutorials > suggest to have the mdadm.conf file up to date, then is it > actually needed or used any more? [ ... ] It has never been "needed". It is just very convenient for: * Setting site-specific defaults for creating MD RAID sets and for messaging and recovery. * Starting up specific MD RAID sets, because as 'man 5 mdadm.conf' says in recent versions the default is such that most block devices that look like array membersare started: «If no DEVICE line is present, then "DEVICE partitions containers" is assumed.» -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html