On Thursday June 15, irule@xxxxxxxxx wrote: > Hello all, > > I'm sorry if this is a silly question, but I've been digging around for > a few days now and have not found a clear answer, so I'm tossing it out > to those who know it best. > > I see that as of a few rc's ago, 2.6.17 has had the capability of adding > additional drives to an active raid 5 array (w/ the proper ver of mdadm, > of course). I cannot, however, for the life of me find out exactly how > one goes about doing it! I would love if someone could give a > step-by-step on what needs to be changed in, say, mdadm.conf (if > anything), and what args you need to throw at mdadm to start the reshape > process. > > As a point of reference, here's my current mdadm.conf: > > > DEVICE /dev/sda1 > DEVICE /dev/sdb1 > DEVICE /dev/sdc1 > ARRAY /dev/md0 devices=/dev/sda1,/dev/sdb1,/dev/sdc1 level=5 num-devices=3 > May I suggest: DEVICE /dev/sd?1 ARRAY /dev/md0 UUID=whatever it would be a lot safer. > > I will be adding the devices /dev/sde1 and /dev/sdf1 (when I can find > out how :) mdadm /dev/md0 --add /dev/sde1 /dev/sdf1 mdadm --grow /dev/md0 --raid-disks=5 NeilBrown - 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
