Re: p570 LPARs and PCI Slot Assignments

From: Libor Laubacher (llaubach_at_PROGRESS.COM)
Date: 12/29/04

  • Next message: JOSEPH KREMBLAS: "Re: p570 LPARs and PCI Slot Assignments" 
    Date:         Wed, 29 Dec 2004 13:21:34 -0500
To: aix-l@Princeton.EDU

    What kind of reply is that ?

    > -----Original Message-----
    > From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU] On
    > Behalf Of JOSEPH KREMBLAS
    > Sent: Wednesday, December 29, 2004 7:01 PM
    > To: aix-l@Princeton.EDU
    > Subject: Re: p570 LPARs and PCI Slot Assignments
    >
    > Raj,
    >
    > You're consultant is telling you right. You must read, study,
    > learn, draw pictures, and understand the PLANNING guide for the P570.
    > The systems are different (for some reason) and you will be
    > punished for
    > your sins or transgressions if you don't understand the rules.
    >
    > --joseph
    >
    > -----Original Message-----
    > From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU] On
    > Behalf Of
    > Raj Atwal
    > Sent: Wednesday, December 29, 2004 8:48 AM
    > To: aix-l@Princeton.EDU
    > Subject: p570 LPARs and PCI Slot Assignments
    >
    >
    > Hi all,
    >
    > I have two p570s made up of 3 system drawers and 2 D20s I/O drawers
    > each. I am still awaiting delivery of these servers but I
    > have began the
    > planning of the installs. I will be configuring multiple LPARs.
    >
    > A senior consultant at my company has told me that there are special
    > rules on p570 regarding PCI Adapter assignments to LPARs. I
    > have looked
    > at the p570 Technical Guide and many of the p5 redbooks and I cannot
    > find any special rules for the p570 compared to other Regatta systems.
    >
    > I have calculated a total of 32 PCI slot per p570. We do not have the
    > additinal RIO card, and therefore slot 6 is open on the
    > system drawers.
    > I calculate 6 PCI slots per system drawer (6*3 =18) and 7 PCI
    > slots per
    > D20 (7*2 =14), for a total of 32 (18 + 14 =32) . Do you concur?
    >
    > Secon question and more importantly, I believe I could carve a single
    > LPAR and assign one PCI slot to that single LPAR from each of
    > the system
    > drawers and each of the D20s (total of 5 PCI-X slots) without
    > restriction. But this other guy is making me second guess myself. Is
    > what I am saying correct or are there indeed PCI-X assignment
    > limitations when using multiple system drawers and a couple of D20s?
    >
    > I look forward to any opinions and experiences. TIA
    >
    >
    > ______________________________
    > Raj Atwal
    >
    > ______________________________
    >
    >
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    >

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