question about procedure to add SAN storage to existing 2003 clust

Discussion in 'Clustering' started by Mike O., Apr 6, 2009.

  1. Mike O.

    Mike O. Guest

    We have an existing Windows 2003 R2 two node active/passive cluster that's
    been set up and running for several years. The cluster is a file server and
    holds user and shared files (no Exchange or SQL). The disks are through a
    SAN attached to an EMC CX700 array.

    We're needing to add an additional "drive" to the cluster. I'm trying to
    find out some more information on what I need to do on the Windows side once
    the storage is all set up on the SAN end. I've set up the SAN drives,
    presented them to the Windows servers, etc. on other projects, but on the
    cluster setups it's only been when the cluster was being built; I've not
    added one after the cluster is already running.

    I've done some searching and seen various comments about shutting down the
    inactive node, etc., but found other comments that say it's not necessary to
    do that anymore if you follow the steps in KB555312.

    I'm just trying to find out what I need to do without interrupting the
    running cluster resources. I can shut down and/or reboot the passive node
    if necessary, but I can't do anything on the active one (at least not without
    user and management involvement). If possible, I would like to avoid
    shutting down the inactive node, just in case something happens on the active
    one while the passive one is down.
    Mike O., Apr 6, 2009
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  2. Best bet is to plan on an outage as no procedures are guaranteed. Here's
    what I would do:

    1) Mask the LUN to one node of the cluster and create the partition, format
    and add drive letter/mount point
    2) Make a temporary cluster group in cluadmin and add this disk to that
    3) Mask the LUN to the other node(s) of the cluster
    4) Test moving the temporary group between nodes.


    Visit my blog:
    John Toner [MVP], Apr 14, 2009
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