Can comment on SLES 10 SP2 and SP3. QLA2xxx pairings with EMC Clarions/DMX,
Hitachi's and storageworks below using multipathing  with Logical volumes
are very good. Good quality on drivers and software from SuSE.

A few notes:
  * Never used the Device Mapper Multipath enablement kit. Did it by hand to
make it work on SLES10 SP3. Link below.
  * A new guide (bit better, this is using nativel tools which comes with
the OS to enable multi pathing.) assembled by HP "linux Device Mapper
Multipath for HP arrays"  are on:  http://www.hp.com/storage/spock
  * The link below shows supported(very important!) hardware for HBA, SAN
Switches, OS minimum versions and RPM's to be installed. for the
storageworks to work.
  * recommended device parameters on the /etc/multipath.conf for SLES, RHEL
or Oracle.
  * SLES 10 SP1 is not supported by the kit below. Personally, if it's a new
deployment, SLES 10SP3 or 11 all the way.

Finally, your conflicts about LV and DM. What I can think of is to "device
blacklist" your boot drives. Although DM does these, sometimes it does not.
 Blocking explicitly sda, sdb, hda, hdb, cciss, etc.

Link to get you started:
http://h20000.www2.hp.com/bizsupport/TechSupport/SoftwareDescription.jsp?lang=en&cc=us&prodTypeId=12169&prodSeriesId=3559651&prodNameId=3559652&swEnvOID=2078&swLang=13&taskId=135&swItem=co-90384-1&mode=3

regards,
Andre | http://www.varon.ca

On Thu, Mar 10, 2011 at 5:55 AM, Linux Unix <[email protected]> wrote:
Hi Gurus,

Any success stories on multipathing on SLES 10 using qla2xxx driver and a
P2000 G3 StorageWorks? I something that conflicts between LV and DM.. Any
suggestion or links?


Thanks,
xuser



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