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I have a Linux server with 2 port HBAs. HBAs ports are zoned to netapp as well as ibm storage. BAD?

  • 1.  I have a Linux server with 2 port HBAs. HBAs ports are zoned to netapp as well as ibm storage. BAD?

    Posted 05-27-2015 11:29 AM

    I have a Linux server with 2 HBAs with 2 ports on each HBA. HBAs ports are zoned to netapp as well as ibm storage.

    Is it recommended ?

    Zoning something like below:

     

    HBA1 - IBM Controller1a

    HBA2 - IBM Controller2a

    HBA1 - IBM Contolller1b

    HBA2 - IBM Controller2b

    HBA1 - Netapp Contoller1

    HBA2 - Netapp Contoller2

     

    I have been facing many multipaht issue. so wondering if zoning should follow best practices!

    ANy help would be highly appreciated.


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  • 2.  Re: I have a Linux server with 2 port HBAs. HBAs ports are zoned to netapp as well as ibm storage. BAD?

    Posted 05-27-2015 01:21 PM
    so you have six independent zones here? if yes, this kind of zoning looks 100% good to me. best of the best practices.
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  • 3.  Re: I have a Linux server with 2 port HBAs. HBAs ports are zoned to netapp as well as ibm storage. BAD?

    Posted 05-27-2015 03:28 PM

    I agree with Alexey and I fear that even the most granular zoning won't save you from multipathing problems. That's most probably something you need to solve on the host itself.


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  • 4.  Re: I have a Linux server with 2 port HBAs. HBAs ports are zoned to netapp as well as ibm storage. BAD?

    Posted 05-27-2015 04:26 PM

    I agree with Seb. This is not a SAN issue. Most often the hosts multipath.conf is setup incorrectly not differentiatig between the different device types. This causes conflicts. 

     

    This is not a SAN issue but more a Linux configuration problem. 


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  • 5.  Re: I have a Linux server with 2 port HBAs. HBAs ports are zoned to netapp as well as ibm storage. BAD?

    Posted 05-28-2015 05:05 AM

    Thanks Guys. Actually zones are not independent.

     

    Brocade Sw1 Zone 1: ServerHBA1_IBM_N1_N2_P1

    Brocade Sw2 Zone 12 ServerHBA2_IBM_N1_N2_P2

     

    Cisco Sw1 Zone1: ServerHBA1_NetappN1_N2_P1

    Cisco Sw2 Zone 2: ServerHBA2_NetappN1_N2_P2

     

    Single HBA with dual port where P1 is going to brocade switch and P2 is going to cisco switch


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