> -----Original Message----- > From: NeilBrown [mailto:neilb@xxxxxxx] > Sent: Thursday, May 12, 2011 8:21 PM > To: lrhorer@xxxxxxxxxxx > Cc: linux-raid@xxxxxxxxxxxxxxx > Subject: Re: New device for RAID array > > On Thu, 12 May 2011 19:59:01 -0500 "Leslie Rhorer" <lrhorer@xxxxxxxxxxx> > wrote: > > > > > I read through the man page for mdadm a couple of times and did not spot > how > > to do this. I currently have a RAID array that I need to upgrade from > 1T > > drives to 3T drives. To accomplish this, I intend to create a larger > array, > > but with fewer spindles, and then rsync the contents of the old array to > the > > new. Once I am done, I then want to stop the old array (/dev/md0) and > start > > up the new array under /dev/md0. Do I have to stop the array and then > > re-create it with all the same parameters, except the device target? > > For v0.90: --update=super-minor > For v1.x --update=name Um, it will be a 1.2 array, so I take it if the current array is /dev/md0, named RAID-Server:0 from /dev/sd[a-n], and the new array is something like /dev/md4, named RAID-Server:4 from sd[q-x], then I stop both arrays and enter mdadm --assemble /dev/md0 /dev/sd[q-x] --update=name Correct? Of course then I need to update /etc/mdadm/mdadm.conf and run `update-initrd`. -- 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