From mboxrd@z Thu Jan 1 00:00:00 1970 From: Hannes Reinecke Subject: Re: Re: Round Robin vs Active/Passive Date: Thu, 05 Jun 2008 09:20:31 +0200 Message-ID: <484793BF.3050303@suse.de> References: <483468AD.7@linpro.no> <000301c8bbe5$4f1091d0$cf42e3c1@pitagora.it> <20080523071654.GB380@pentland.suse.de> <4836798F.4060100@linpro.no><000401c8bcc0$d29e94d0$cf42e3c1@pitagora.it> <4836A075.9090008@linpro.no> <01d601c8bd1a$c5fd99b0$0201a8c0@zeug> <48478DBF.3060709@linpro.no> Reply-To: device-mapper development Mime-Version: 1.0 Content-Type: text/plain; charset=UTF-8; format=flowed Content-Transfer-Encoding: quoted-printable Return-path: In-Reply-To: <48478DBF.3060709@linpro.no> List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: dm-devel-bounces@redhat.com Errors-To: dm-devel-bounces@redhat.com To: device-mapper development List-Id: dm-devel.ids Hi Tore, Tore Anderson wrote: [ .. ] > What I need to do is this: >=20 > # My new CX3-40f which supports ALUA (preferred) as well as PNR > device { > vendor DGC > product * > product_blacklist LUNZ > alua_capable yes > [..ALUA optimised settings...] > } >=20 > # My old CX200, only supports PNR > device { > vendor DGC > product * > product_blacklist LUNZ > alua_capable no > [..PNR optimised settings...] > } >=20 > ...but there's no such thing as the "alua_capable" setting or any other > setting that can be used to distinguish between the two CLARiiONs, as > far as I know, so I have to use both arrays in PNR mode even though the > newest one of them supports ALUA. >=20 No need. I did some patch once ago which allowed you to set the hardware handler in the multipaths section. For exactly this scenario. Can you test if it works? Cheers, Hannes --=20 Dr. Hannes Reinecke zSeries & Storage hare@suse.de +49 911 74053 688 SUSE LINUX Products GmbH, Maxfeldstr. 5, 90409 N=C3=BCrnberg GF: Markus Rex, HRB 16746 (AG N=C3=BCrnberg)