On Sun, 09 Jun 2013 03:31:44 -0500 Stan Hoeppner <stan@xxxxxxxxxxxxxxxxx> wrote: > On 6/8/2013 1:18 PM, Ramon Hofer wrote: <snip> > > If in some years one of the oldest 1.5 TB disks of md2 or any other > > fails, I could replace it with a bigger one and at the same time the > > other disks of the same device as well and get additional space? > > You can use the extra capacity, but not in the way you're considering. > This is due to the characteristics of a linear array. > > You have been using raw disks, not partitions. So when you replace a > dead drive you will need to create a partition on the replacement that > is the same size or a few sectors larger than the disk being replaced. > You will then use this partition as the replacement device in the > array rebuild. After you have replaced all 4 drives in this manner, > you will create a 2nd partition in the free space on each. You will > then create another RAID5 array from these 4 partitions and add it > just as you did the other RAID5s. Ha, I didn't think about that. That's easy :-) Thanks alot Ramon -- 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
