Sad me - or Happy me? Undecided re: AIX 7.2 Post: 302959189

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Operating Systems AIX Sad me - or Happy me? Undecided re: AIX 7.2 Post 302959189 by MichaelFelt on Thursday 29th of October 2015 06:49:22 PM

10-29-2015

Registered User

No, I do not think it will be possible to run it on Power6 or less.
Internally, assuming the explanation is like what they gave for AIX 6.1 needs Power4 or newer - is that they could reduce the code by XX % - of all kinds of "if" statements by removing code for specific platforms.

The easier explanation is that they use the xlc compiler with the flags -qarch=power7 whcih means it can use instructions unique to power7 and later (read special instructions that do not exist on power6 or earlier) - and just one - in the kernel - will be enough to bring it down (or easier, use one of these in the boot code, so it shall refuse to boot).

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LEARN ABOUT MINIX

installboot

installboot(1M)                                                                                                                    installboot(1M)

NAME

       installboot - install bootblocks in a disk partition

SYNOPSIS

       installboot bootblk raw-disk-device

       The boot(1M) program, ufsboot, is loaded from disk by the bootblock program which resides in the boot area of a disk partition.

       The  ufs  boot objects are platform-dependent, and reside in the /usr/platform/platform-name/lib/fs/ufs directory. The platform name can be
       found using the -i option of uname(1).

       The installboot utility is a SPARC only program. It is not supported on the  architecture.  users should use installgrub(1M) instead.

       bootblk         The name of the bootblock code.

       raw-disk-device The name of the disk device onto which the bootblock code is to be installed; it must be a character device which is  read-
                       able and writable. Naming conventions for a SCSI or IPI drive are c?t?d?s? and c?d?s? for an IDE drive.

       Example 1: Installing UFS Boot Block

       To install a ufs boot block on slice 0 of target 0 on controller 1 of the platform where the command is being run, use:

              example# installboot /usr/platform/`uname -i`/lib/fs/ufs/bootblk 
                   /dev/rdsk/c1t0d0s0

       /usr/platform/platform-name/lib/fs/ufs

           directory where ufs boot objects reside.

       /platform/platform-name/ufsboot

           second level program to boot from a disk or CD

       See attributes(5) for descriptions of the following attributes:

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE         |      ATTRIBUTE VALUE        |
       +-----------------------------+-----------------------------+
       |Availability                 |SUNWcsu                      |
       +-----------------------------+-----------------------------+

       od(1), uname(1), boot(1M), init(1M), kadb(1M), kernel(1M), monitor(1M), reboot(1M), rpc.bootparamd(1M), init.d(4), attributes(5)

WARNINGS

       The installboot utility fails if the bootblk or openfirmware files do not exist or if the raw disk device is not a character device.

                                                                    11 Apr 2005                                                    installboot(1M)