SAN booting?

From: Mike (mikee_at_mikee.ath.cx)
Date: 08/04/05

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    Date: Thu, 04 Aug 2005 20:18:07 GMT

    This message appeared back in Jan 05 on an ADSM list.
    Does anyone have any thoughts on the subject or data
    presented below?

    I want to consolidate my power3 and power4 servers
    to power5 and to boot those LPARs from a SAN.
    I'm attaching the last message I saw.

    Mike

    -------------------------------------------------
    From: Jin Bae Chi <Jbaechi@CSCC.EDU>
    Subject: Re: SAN Booting
    To: ADSM-L@VM.MARIST.EDU
    X-Mailer: Novell GroupWise Internet Agent 6.5.3 Beta
    Message-ID: <s1f0cc4c.099@gwgate.cscc.edu>
    Date: Fri, 21 Jan 2005 09:32:38 -0500
    Reply-To: "ADSM: Dist Stor Manager" <ADSM-L@VM.MARIST.EDU>

    SAN booting using virtual engines such as IBM SAN Volume Controller
    would not be an easy task, especially if you have ESS, FAStT and
    Symmtrix under SVC, because its true mutipathing scheme. You need to
    restrict to the only one path for booting time and reenable the
    multipath afterward. You may think twice if this would be a possibility
    in the future. SAN routing also is coming very soon and that would be
    another issue if you want to consolidate all booting resources for
    multiple location.

    Also, with advanced virtual I/O server on new pSeries, POWER5 with AIX
    5.3, your zoning would be another challenge for booting because multiple
    LPAR hosts can be sharing the same HBAs and I don't know how SAN switch
    would take them with same World Wide names. Just a few more thoughts on
    planning. Thanks.

    Jin Bae Chi (Gus)
    System Administrator
    Data Center, CSCC
    614-287-5270
    614-287-5488 Fax
    jbaechi@cscc.edu
    ----------------------------------------------------

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