On Sat, May 30, 2009 at 02:35:24PM -0400, Maxime Boissonneault wrote: > >>> >>> I can not install more drives in the computer. It is a home theater >>> computer in a small case. I was expecting to be able to let the raid >>> manage the copies itself. >>> >>> If the / was on a RAID5, would it be able to boot with 2 disks ? >>> If so, is it possible to convert my RAID0 to a RAID5 ? >>> For example, I could boot on a CD, backup / onto /home, delete the >>> RAID0 array and recreate it as RAID5, then restore the backup. Would >>> this work ? >> >> Based on my testing (somewhat old now) and regular use, I would say >> raid10 is probably your best bet. It's fast and secure, and with the >> -f2 option for "far" copies it's able to give high transfer rates. > > Doesn't RAID10 means RAID 1+0, which requires 4 disks ? Linux RAID10 is somewhat different from raid1+0, and can run with just 2 disks, with fine performance for reads in the F2 layout, almost raid0 performance, while write performance is close to raid1, with a file system in operation. Best regards keld -- 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
