From mboxrd@z Thu Jan 1 00:00:00 1970 From: Mario Lopez Subject: Understanding Default RAID Behavior Date: Mon, 06 Feb 2012 23:58:49 -0500 Message-ID: <4F30AF89.4090402@techsym.com> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed To: linux-btrfs@vger.kernel.org Return-path: List-ID: The Wiki does not make it clear as to why adding a secondary device defaults to RAID1 metadata and RAID0 data. I bought two SSDs with the intention of doing a BTRFS RAID0 for my root. What is the difference between forcing RAID0 on metadata and data as opposed to the default behavior? Can anyone clarify that? Thank you for your time, Mario