From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hullen@t-online.de (Helmut Hullen) Subject: Re: failed disk Date: 10 May 2012 04:49:00 +0200 Message-ID: References: <20120509143735.GQ8938@carfax.org.uk> Reply-To: helmut@hullen.de Mime-Version: 1.0 Content-Type: text/plain; charset=US-ASCII To: linux-btrfs@vger.kernel.org Return-path: In-Reply-To: <20120509143735.GQ8938@carfax.org.uk> List-ID: Hallo, Hugo, Du meintest am 09.05.12: >> btrfs fi df /mnt/Scsi >> >> now tells >> >> Data, RAID0: total=183.18GB, used=76.60GB >> Data: total=80.01GB, used=79.83GB >> System, DUP: total=8.00MB, used=32.00KB >> System: total=4.00MB, used=0.00 >> Metadata, DUP: total=1.00GB, used=192.74MB >> Metadata: total=8.00MB, used=0.00 >> >> -------------------------------------- >> >> "Data, RAID0" confuses me (not very much ...), and the system for >> metadata (RAID1) is not told. > DUP is two copies of each block, but it allows the two copies to > live on the same device. It's done this because you started with a > single device, and you can't do RAID-1 on one device. The first bit > of metadata you write to it should automatically upgrade the DUP > chunk to RAID-1. It has done - ok. Adding and removing disks/partitions works as expected. Viele Gruesse! Helmut