From mboxrd@z Thu Jan 1 00:00:00 1970 From: Paul Clements Subject: Re: endianness of Linux kernel RAID Date: Wed, 03 Aug 2005 09:05:27 -0400 Message-ID: <42F0C117.5020506@steeleye.com> References: <20050803120656.GA16696@anthropohedron.net> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <20050803120656.GA16696@anthropohedron.net> Sender: linux-raid-owner@vger.kernel.org To: gsslist+linuxraid@anthropohedron.net Cc: Linux RAID list List-Id: linux-raid.ids Gregory Seidman wrote: > It turns out that if one uses the kernel (2.4.x-2.6.x) RAID support (RAID5, > anyway, since that's all I've tested), the RAID'd disks cannot be moved to > another system with a different endianness. I don't know how hard that > Unfortunately, I haven't gotten into kernel development and, therefore, do > not have the necessary expertise to fix it. Is anyone here interested in > this issue? Version 1 superblock support, which was recently added to the 2.6 kernel and mdadm tool, fixes this issue. Metadata is always stored in little endian on disk. -- Paul