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  • 1.  How to migrate DS8000 to FS7300?

    Posted Sat March 11, 2023 10:05 AM

    Hi Community
    I have a client who wants to migrate their current DS8000 platform to FS7300 with FCM modules.

    Is there a procedure to execute this platform change?, considerations, restrictions, tools to migrate,

    Thanks for the guidance and sorry if this is the wrong group for this question



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    DIEGO AGUILAR
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  • 2.  RE: How to migrate DS8000 to FS7300?

    Posted Mon March 13, 2023 02:57 AM
    Hi,
    It's also a question what the expectations are. 
    And what host types they use. 
    A good start point is to check the redbook for migrations, https://www.redbooks.ibm.com/abstracts/sg248470.html?Open

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    Roger Eriksson 
    IBM Partner Technical Specialist Storage 
    IBM Sweden, Kistagången 6, 16492 Kista, Sweden
    Mobile: +46707933518

    Unless otherwise stated above:

    IBM Svenska AB
    Organisationsnummer: 556026-6883
    Address: 164 92 Stockholm



    Original Message


  • 3.  RE: How to migrate DS8000 to FS7300?

    Posted Mon March 13, 2023 03:55 AM

    Hi @ROGER ERIKSSON , thank you for mentioning this Redbook, which I wasn't aware of, although I had to figure, it is stored on my laptop.

    In this Redbook chapter 4.2 - Data migration using IBM Spectrum Virtualize Volume Migration wizard would be a good starting point.

    I agree, that all other items you mentioned have to be considered thoroughly up front as well.



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    Christian Schroeder
    IBM SpecV Storage Support with Passion
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    Original Message


  • 4.  RE: How to migrate DS8000 to FS7300?

    Posted Mon March 13, 2023 05:12 AM

    Hi Diego,

    Assuming you only have open systems hosts, and not mainframe, attached to the DS8000, then the easiest way would be externally virtualise the DS8000 under the FS7300. High-level overview would be:

    • Add SAN zones to allow DS8000 and FS7300 to talk to each other over the SAN fabrics
    • Create a storage pool in the FS7300 that utilises the DS8000
    • Create a new storage pool in the FS7300 as a migration target
    • Re-map your DS8000 volumes to the FS7300
    • Import the volumes as image mode disks on the FS7300
    • Map these disks from the FS7300 back to the original hosts
    • In the background create volume mirrors of the image mode disks to the new storage pool in the FS7300
    • Once the mirrors are all synced, break the mirrors and remove the image mode DS8000 copy
    • Decommission the DS8000

    Again this is just high-level, there are some techie bits to do in between, but should all be documented in the Redbooks.

    Regards



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    Darren Sanders
    Technical Architect - Data Protection & Storage
    Celerity Ltd

    http://www.celerity-uk.com
    www.linkedin.com/in/darren-sanders-a8770a4
    #ibmchampion storage
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    Original Message


  • 5.  RE: How to migrate DS8000 to FS7300?

    Posted Mon March 13, 2023 05:32 AM
    Edited by Davide Galbussera Mon March 13, 2023 05:33 AM
    This table is a good starting point



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    Davide Galbussera
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    Original Message


  • 6.  RE: How to migrate DS8000 to FS7300?

    Posted Mon March 13, 2023 07:01 AM

    Most operating systems support the following scenario :

           1. Present LUNS from new storage to host

          2. Mirror old storage LUNS to similar LUNS on new storage

          3. Remove mirror copy on old storage.

    My preference goes for this approach because

    -  can be used to migrate from any to any storage (even different vendors)

    -  no application downtime needed during the entire migration process



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    Hans Populaire
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    Original Message