From mboxrd@z Thu Jan 1 00:00:00 1970 From: Steven Dake Subject: Re: Migrating RAID array to a different manufacturer controller Date: Tue, 18 Feb 2003 11:05:19 -0700 Sender: linux-scsi-owner@vger.kernel.org Message-ID: <3E5275DF.3090000@mvista.com> References: <3E511791.2060904@cri74.org> Mime-Version: 1.0 Content-Type: text/plain; charset=ISO-8859-1; format=flowed Content-Transfer-Encoding: 7bit Return-path: In-Reply-To: <3E511791.2060904@cri74.org> List-Id: linux-scsi@vger.kernel.org To: Fabien Salvi , linux-scsi@vger.kernel.org You have to use one driver to read the data from adaptor A and another driver to write the data to adaptor B after you have setup the RAID arrays on adaptor B to match that of adaptor A. There is no homogenous way to access that data. Dell had proposed a common superblock format, but that pretty much got shot down because it eases the ability of customers to switch vendors. Thanks -steve Fabien Salvi wrote: > Hello, > > Here is a question that is maybe a bit off topic. > Sorry for that... > > Is it possible to migrate a RAID array from a manufacter controller to > another ? > Is it depend on the level of RAID ? > I've already be able to read data from RAID 1 because it's simple > mirroring (with Mylex DAC 960 controller). > But, it may not be the case for all controllers I suppose... > > In fact, I have a server or a storage enclosure that use a CMD, > ICP-Vortex or Mylex controller and I would like to get data from it. > > Maybe it's possible with linux software RAID tools ? > > What can differentiate from a controller to another ? > Maybe the parity block size ? > > > Thanks in advance for your help ! > > B.R. >