MD3000 on Debian Lenny

Mark Walkom markwalkom at gmail.com
Mon Feb 15 15:43:22 CST 2010


These pages have some good info;
http://www.performancemagic.com/iscsi-xen-howto/

On 16 February 2010 01:57, Adrian Schmitz <aschmitz at lehighgas.com> wrote:

> Dominik,
>
> Below is the config I am using now on one of my Ubuntu Server machines with
> an MD3000i.. With this config, the i/o errors usually show up for a little
> bit until rdac disables the necessary paths, and then they go away. Failover
> works *okay* with this configuration.. if anyone on the list has more
> experience with this sort of thing, feedback or recommendations on how to
> improve this config are welcome. Hope this helps..
>
> -Adrian
>
>
> #/etc/multipath.conf:
>
> blacklist       {
>                device  {
>                        vendor DELL*
>                        product Universal*
>                        }
>                device  {
>                        vendor Dell*
>                        product Virtual*
>                        }
>                }
>
>
> devices {
>
>        device {
>                vendor                  DELL
>                product                 MD3000i
>                path_grouping_policy    group_by_prio
>                features                "1 queue_if_no_path"
>                path_checker            rdac
>                prio_callout            "/sbin/mpath_prio_rdac /dev/%n"
>                hardware_handler        "1 rdac"
> #               prio                    "rdac"
>                failback                immediate
>                }
>        }
>
> multipaths {
>        multipath {
>                        wwid 36001e4f0003ceb09000006c848dbbbdb
>                        alias testlun
>                }
> # Additional wwid-to-alias mappings here..
>                }
>
> #END
>
> -----Original Message-----
> From: linux-poweredge-bounces at dell.com [mailto:
> linux-poweredge-bounces at dell.com] On Behalf Of lkml at ds.gauner.org
> Sent: Monday, February 15, 2010 9:01 AM
> To: linux-poweredge at dell.com
> Subject: MD3000 on Debian Lenny
>
> Hi,
> I'm trying to get a MD3000 working with Debian Lenny and it looks like a
> big mess from my POV. Dell only supports SuSE and RedHat, but I didn't
> expect that it'd be so hard to get this up and running on Debian.
>
> Can anyone give me some pointers to get this working? I don't care if I
> can use multipath or not. I just want a reliable way to access the disks.
>
> So far I've tryed with the multipath-tools, dm-rdac and porting (kind of)
> the dell SM-Tools to Debian, but nothing got me rid of the "I/O errors"
> that happen when accessing the exported devices.
>
> Best Regards,
> Dominik
>
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