What’s the (SnapMirror) syntax, Kenneth?


I had the opportunity to configure SnapMirror for a client today and it gave me a bit of a headache.  I did what I thought was my due diligence: reading the relevant vendor documentation for SnapMirorr for each version of Data ONTAP, 7.3.2 and 8.0.3P3.  What I failed to do was read a few lines further than I actually did – I missed a simple piece of syntax that turned a 30 minute WebEx into a 2 hour ordeal. I learned a good lesson about SnapMirror during this engagement, though, and I’d like to share it.

The SnapMirror of these three volumes were actually for a data migration because the source filer is being decommissioned.  The general steps required in the engagement today were as follows:

    <> Run a cable between what will be the dedicated replication links on each filer

    <> Configure each interface with IP settings

    <> Ensure SnapMirror is licensed and enabled on each filer

    <> Configure /etc/hosts and /etc/snapmirror.allow files on source filer

    <> Configure /etc/hosts and /etc/snapmirror.conf files on destination filer

    <> Initialize the baseline replicaction

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