Am 08.06.2011 03:16, schrieb John Robinson: > There may be a clever alternative, retaining single redundancy, if > you don't mind buying one more disc, which I'm guessing you might do > soon anyway as you're already 85% full. Or if not, it won't do too > much harm to have a spare drive sitting on a shelf. In fact I already have one ... but I can't use it as the 8 bays of that server are already fully used. I could only attach that drive temporarily with USB or so ... > You can convert a 2-drive RAID1 to a 2-drive RAID5, then add the new > drive to double the size of the array, resize the PV, then move the > PEs over from the other RAID1, then tear down that PV and RAID1, add > one or both of those drives into the RAID5 and grow it to a RAID6. > The only step at which you have a little less redundancy is while > you're running the 3-drive RAID5 (well, it's still 1 drive but > against 2 drives, instead of 1:1). Clever idea, yes ... but a rather long way somehow ... > On the other hand it might be easier to take a backup, which you > probably ought to do anyway! Yep, I assume it will be that way: mv data aside, new array, data back in ... Thanks anyway, Stefan -- 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
