Re: multipathd & EMC Clariion CX-4

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Thanks for your link, nevertheless I made those changes about alua an LUNZ but it seems that it's getting worse :
multipath -v2 -d gives :
sdg: checker msg is "directio checker reports path is down"
sdm: checker msg is "directio checker reports path is down"
sde: checker msg is "directio checker reports path is down"
sdk: checker msg is "directio checker reports path is down"
sdc: checker msg is "directio checker reports path is down"
sdi: checker msg is "directio checker reports path is down"
create: mpath0 (360026b905367200012a8666a06b52fbc)  DELL    ,PERC 6/i      
[size=148G][features=0][hwhandler=0]
\_ round-robin 0 [prio=1][undef]
 \_ 3:2:0:0 sda 8:0   [undef][ready]


--
Stéphane Neveu
Ingénieur Opensource / RedHat Technical Manager
THALES - Critical Information Systems
DIVISION Security Solutions & Services / Server Mgmt
Tél 01 73 17 03 15
--


-----Message d'origine-----
De : dm-devel-bounces@xxxxxxxxxx [mailto:dm-devel-bounces@xxxxxxxxxx] De la part de Gianluca Cecchi
Envoyé : mercredi 14 septembre 2011 12:46
À : device-mapper development
Objet : Re:  multipathd & EMC Clariion CX-4

On Wed, Sep 14, 2011 at 11:58 AM, NEVEU Stephane wrote:
> Hi all,
>
>
>
> I'm experiencing problems trying to set up a multipathd config with a EMC
> Clariion CX-4 Storage.
>
> It seems that the CX4 is actually active/passive regarding SPs. My server
>  has QLogic Fiber Cards. My multipath-tools version is 0.4.8.
...
>
>                                hardware_handler         "1 emc"

>                                product_blacklist            LUN_Z
>
>                 }

>

Hi,
for other purposes I came to this document that refers to a CLARiiON
CX4-480 with CentOS 5.5:
http://www.nxnt.org/2010/08/multipath-linux-and-emc-clariion/
I don't know how does it match your config, but it seems that the
possibly relevant configuration differences are

hardware_handler "1 alua"
and
product_blacklist            LUNZ   (without the underscore...)

HIH,
Gianluca

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