On 2014-04-07, Rafa? Radecki <radecki.rafal at gmail.com> wrote: > I would really appreciate a definite answer which partitions I can remove > and which I cannot remove at the same time because I need to perform some > disk maintenance tasks on this raid10 array. Thanks for all help! You're likely to get the most definitive answer from the linux RAID mailing list. http://vger.kernel.org/vger-lists.html#linux-raid Many of the md developers hang out there, and should know the correct answer. (I'm afraid I don't know it myself.) --keith -- kkeller at wombat.san-francisco.ca.us