On Sunday September 8, marc_news@merlins.org wrote: ... > All is well unless one of my disk arrays isn't powered when the system boots ... > Yet, if my other arrays are down at boot time, /dev/md3 doesn't get created > at boot time, and a manual raidstart /dev/md3 yields: Yep, raidstart is broken by design. It depends on device number being stable, and SCSI device number aren't, especially if they are added after boot time. That is part of the reason that I wrote mdadm. It can do the right thing for you. http://www.cse.unsw.edu.au/~neilb/source/mdadm/ NeilBrown - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@vger.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html