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 -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel -- dm-devel mailing list dm-devel@xxxxxxxxxx https://www.redhat.com/mailman/listinfo/dm-devel
