On 16/02/2015 22:29, Chris Murphy wrote: > The other plus is that growing linear arrays is cake. They just get > added to the end of the concat, and xfs_growfs is used. Takes less > than a minute. Whereas md raid0 grow means converting to raid4, then > adding the device, then converting back to raid0. And further, linear > grow can be any size drive, whereas clearly with raid0 the drive sizes > must all be the same. Nice! I have been learning about md arrays and have seen the details about growing operation but it's another aspect which I wasn't thinking about at first. For now I am not planning any storage but it might come handy later on. Thanks, Eliezer