Re: difference between ppc64pseries and ppc64

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On Thu, 2005-04-07 at 18:32 -0400, rita chiu wrote:
> Hi,
> 
> Would anyone be able to tell me the difference between the usage of
> ppc64pseries and ppc64?

ppc64pseries is used to distinguish the kernel from ppc64iseries, and
ppc64.  In more recent releases a common ppc64 kernel for powermac (G5)
and IBM pSeries and i5 is used (ppc64), ppc64iseries still remains for
leagacy iSeries.

> On Red Hat Enterprise Linux, when creating an RPM, it uses
> 'ppc64pseries' by default.  #

Determined by /etc/rpm/platform.

> In terms of installation of an RPM on a
> ppc64 machine, I do not see any difference from using 'ppc64pseries'
> or 'ppc64' as the $ARCH part of the RPM name.  (e.g. no installation
> difference if I have abc-1.2.3-4.ppc64.rpm or
> abc-1.2.3-4.ppc64pseries.rpm)

You probably want to build with

--target ppc64

as whilst ppc64iseries and ppc64pseries are compatible with (see rpmrc)
ppc64 they are not compatible with each other (preventing a ppc64pseries
kernel being installed on an iSeries).  So a ppc64pseries package will
not install on ppc64iseries.

> Would anyone please provide more information on the usage of
> 'ppc64pseries' and 'ppc64' on Red Hat Enterprise Linux?

It really matters only for the kernel in RHEL 3.

Paul


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