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EMCUSEREMC

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12 years ago

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June 20th, 2014 23:00

VMware SRM using EMC VMAX

Hello,


SRA Utilities/Failover test shows the following error.


Failed to find any SRDF relationships of selected configuration type to add to the list. Please verify the remote Symmentrix has been discovered


Using the following software

VMware SRM 5.1

EMC Solutions Enabler 7.6

VSI Symmetrix 5.6

SRDF SRA 5.5


Solutions Enablers at both PROD and DR can discover the Symmentrix arrays. SRM Protecion groups are created for the replicated devices.


Want to configure timefinder clone set-up using VSI SRA Utilities.


  • M_Salem

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    Posted June 22nd, 2014 11:00

    Hello EMCUSEREMC,

    Welcome to EMC Community.

    I have 2 questions..

    Q1: Do you have symauth configured? If yes, then you may have permissions misconfiguration issue.

    Q2: Does this error return from VSI referring to R1 devices? if yes, then this is something expected. VSI SRA Utilities, on the 'failover test' tab is only looking for R2 devices, not R1 devices.  Before you look into this issue, be sure you are looking at an ESXi host that has R2 devices masked to it.  To confirm this check the EMC VSI tab > LUNs, look in the 'type' column.

    VSI SRA Utilities from the R2 side should work properly however, it will display this message from R1 side. This can be ignored.

    Kindly find these 2 KB articles form EMC support:

    https://support.emc.com/kb/91895

    https://support.emc.com/kb/87124

    Hope that helps

    Mohammed Salem

  • 1735

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    Posted June 23rd, 2014 08:00

    Hello Salem,

    I am not sure about symauth and where to confiure

    I am checking from DR side. EMC VSI tab > LUNs shows the gatekeeper devices and one LUN (Which is used for placholder datastore). Because i could at least see this, do you still think that symauth is not configured?


    Regards

  • M_Salem

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    Posted June 23rd, 2014 09:00

    Like AranH pointed out, Are you sure that the R2 devices are zoned and masked to your ESXi servers at the DR site?

    I would recommend reading Drew's awesome techbook for further clarification of steps needed:

    https://support.emc.com/docu38641_Using-the-EMC-SRDF-Adapter-for-VMware-vCenter-Site-Recovery-Manager-5.pdf?language=en_US

    You can check symauth using this command:  symauth -sid xxx list, It will state whether symauth is enabled or disabled.

    Hope that helps

    Mohammed Salem

  • AranH1

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    Posted June 23rd, 2014 09:00

    There are many steps on each side of the replication to follow before the testing will be successful. That error usually means that the RDF pairs are not visible becuase the configuration is not complete.

    The techbook below on deploying VMware SRM using SRDF contains a comprehensive checklist and step by step setup procedures. I recommend reviewing the checklist and following the steps outlined in this techbook. I have performed a few SRM RDF deployments and it is easy to miss a step if you aren't following the instructions carefully.

    http://www.emc.com/collateral/software/technical-documentation/h10553-sra-vmware-5-0-tb.pdf

  • 1735

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    Posted June 23rd, 2014 09:00

    Hello,

    R2 Devices are not zoned to DR ESXi hosts. For the TimeFinder/Clone set-up, do we need clones also needs to be zoned to DR ESXi hosts?

    Regards,

  • AranH1

    2163 Posts

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    Posted June 23rd, 2014 09:00

    Yes, the R2 and clones of R2 need to be visible to the DR vSphere cluster. Since SRM is a host level coordination of array level replication the devices need to be visible to the hosts on each end of the replication.

  • M_Salem

    213 Posts

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    Posted June 23rd, 2014 10:00

    Thanks EMCUSEREMC, You should replace XXX with the last 3 or 4 digits of your array SN. for instance, if Array SN: 0009996545676 then you should replace xxx with 676 or 5676

    To get the array SN, run this command : "symcfg disco" then "symcfg list"

    Hope that helps

    Mohammed Salem

  • 1739

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    Posted June 23rd, 2014 10:00

    Thanks AranH and Salem for all your valuable information.

    Saleem, for the command  "symauth -sid xxx list", what should i replace with xxx?

    Regards,

  • M_Salem

    213 Posts

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    Posted June 23rd, 2014 11:00

    Drew, please correct me if i am wrong. I believe this is only for VSI SRA utilities v5.6 where we have a new feature for masking control included in the Global options.

    Discovery should fail if R2s are not masked to the recovery site in the initial setup.

    Hope that helps

    Mohammed Salem

  • AranH1

    2163 Posts

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    Posted June 23rd, 2014 11:00

    Drew Tonnesen wrote:

    Actually the devices don't have to be presented to the R2 cluster but that is an advanced configuration - page 150 of the TechBook.

    Is that the default behavior?