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additional CPU - AIX

RS6000, 7025, 6F1 AIX 4.3.3 I have just replaced 1CPU with 2CPU's. (RS64 III, 1W, 450 MHZ, 2MB L2 with RS64 IV,2-WAY SMP,8MB L2 CACHE) Are there some system settings that i should change, tune etc. ? regards Jarek...

  1. #1

    Default additional CPU

    RS6000, 7025, 6F1 AIX 4.3.3

    I have just replaced 1CPU with 2CPU's.

    (RS64 III, 1W, 450 MHZ, 2MB L2
    with
    RS64 IV,2-WAY SMP,8MB L2 CACHE)

    Are there some system settings that i should change, tune etc. ?


    regards

    Jarek

    jarcar Guest

  2. #2

    Default Re: additional CPU

    Check of bos.mp is installed (lslpp -l)
    diag -a
    lsdev -Ccprocessor or bindprocessor -q

    This should be enough.

    regards,
    Geert

    "jarcar" <jarcargazeta.pl> schreef in bericht
    news:bkreo7$ea7$1news2.ipartners.pl...
    > RS6000, 7025, 6F1 AIX 4.3.3
    >
    > I have just replaced 1CPU with 2CPU's.
    >
    > (RS64 III, 1W, 450 MHZ, 2MB L2
    > with
    > RS64 IV,2-WAY SMP,8MB L2 CACHE)
    >
    > Are there some system settings that i should change, tune etc. ?
    >
    >
    > regards
    >
    > Jarek
    >

    Geert Guest

  3. #3

    Default Re: additional CPU


    "Geert" <NOSPAM.geert.mailplanet.nl> wrote in message
    news:bkrgjt$7a$1reader10.wxs.nl...
    > Check of bos.mp is installed (lslpp -l)
    I'd be surprised if the MP fileset wasn't already installed seeing as
    the mp fileset is installed if the system is MP capable even if only one
    CPU is actually present.

    > diag -a
    > lsdev -Ccprocessor or bindprocessor -q
    >
    > This should be enough.

    --
    RobH
    The future's dim, the future's mono.


    RobH Guest

  4. #4

    Default Re: additional CPU

    jarcar <jarcargazeta.pl> wrote in message news:<bkreo7$ea7$1news2.ipartners.pl>...
    > RS6000, 7025, 6F1 AIX 4.3.3
    >
    > I have just replaced 1CPU with 2CPU's.
    >
    > (RS64 III, 1W, 450 MHZ, 2MB L2
    > with
    > RS64 IV,2-WAY SMP,8MB L2 CACHE)
    >
    > Are there some system settings that i should change, tune etc. ?
    >
    >
    > regards
    >
    > Jarek
    You might want to install bos.mp and then relink /unix to
    /usr/lib/boot/unix_mp and reboot to use the 2nd processor. If you've
    got any licensed software, you might need to update the licenses.

    Steve
    Steve Nottingham Guest

  5. #5

    Default Re: additional CPU

    Dnia 2003-09-24 12:51, Użytkownik Steve Nottingham napisał:
    > jarcar <jarcargazeta.pl> wrote in message news:<bkreo7$ea7$1news2.ipartners.pl>...
    >
    >>RS6000, 7025, 6F1 AIX 4.3.3
    >>
    >>I have just replaced 1CPU with 2CPU's.
    >>
    >>(RS64 III, 1W, 450 MHZ, 2MB L2
    >>with
    >>RS64 IV,2-WAY SMP,8MB L2 CACHE)
    >>
    >>Are there some system settings that i should change, tune etc. ?
    >>
    >
    >
    > You might want to install bos.mp and then relink /unix to
    > /usr/lib/boot/unix_mp and reboot to use the 2nd processor. If you've
    > got any licensed software, you might need to update the licenses.
    >
    > Steve

    Thanks all for sugestions

    I have one more question about vmstat and CPU.

    I have replaced 1 CPU with 2 CPU's.
    I have checked for all things you have mentioned (everythig is ok).

    I use vmstat to monitor performance.

    everyday at 6 am i start this : vmstat 1800 32


    After CPU replacement I've noticed that "r" column is allways "1" .

    Is it normall behavior with 2 CPU's ? Why ?



    Befor CPU replacement :
    ************************************************** *****************
    kthr memory page faults cpu
    ----- ----------- ------------------------ ------------ -----------
    r b avm fre re pi po fr sr cy in sy cs us sy id wa
    0 2 260062 476705 0 0 0 73 416 0 155 214 182 15 2 78 5
    0 2 259966 476823 0 0 0 240 1244 0 205 247 340 18 3 61 17
    0 2 259967 476823 0 0 0 7 59 0 115 31 59 0 0 96 4
    0 2 262267 474432 0 0 0 11 35 0 114 55 59 2 1 95 2
    0 2 263880 472740 0 0 0 3 8 0 115 87 65 4 1 92 2
    0 2 278920 457353 0 0 0 51 272 0 130 111 89 5 1 89 5
    0 2 294748 441248 0 0 0 36 224 0 219 322 280 11 3 82 4
    1 2 303508 432357 0 0 0 126 515 0 418 1144 744 91 8 0 1
    1 2 308792 477785 0 0 0 11 43 0 177 449 196 97 3 0 0
    1 2 310758 425131 0 0 0 8 62 0 227 625 280 61 5 29 5
    0 2 323265 412483 0 0 0 23 115 0 172 425 204 32 3 60 6
    1 2 328791 406955 0 0 0 38 233 0 223 776 329 69 6 21 4
    2 3 329969 405778 0 0 0 414 2423 0 363 901 708 70 10 8 13
    3 2 324783 411049 0 0 0 276 1604 0 281 895 791 85 11 0 4
    2 2 331026 404786 0 0 0 127 779 0 239 1149 435 77 8 10 5
    1 2 333459 402227 0 0 0 37 213 0 214 754 315 63 5 26 5
    2 2 326784 409083 0 0 0 34 179 0 207 950 338 87 5 7 1
    0 2 323498 412472 0 0 0 28 187 0 188 607 254 48 4 42 5
    1 2 312573 423504 0 0 0 401 2631 0 310 524 584 53 7 29 11
    0 2 307773 428345 0 0 0 272 1537 0 227 440 816 44 15 27 13


    After CPU replacement :
    ************************************************** *******************
    kthr memory page faults cpu
    ----- ----------- ------------------------ ------------ -----------
    r b avm fre re pi po fr sr cy in sy cs us sy id wa
    1 2 196130 541961 0 0 0 165 975 0 324 429 410 6 1 86 7
    1 2 197458 540646 0 0 0 225 1576 0 286 290 353 2 1 86 11
    1 2 197495 540613 0 0 0 15 127 0 221 104 84 0 0 96 4
    1 2 198567 539497 0 0 0 1 4 0 214 107 68 0 0 98 2
    1 2 198607 539465 0 0 0 0 0 0 214 105 67 0 0 98 2
    1 2 217345 520445 0 0 0 68 430 0 239 257 136 3 1 92 5
    1 2 231703 505898 0 0 0 14 29 0 242 320 158 5 1 90 5
    1 2 245320 492175 0 0 0 177 1115 0 297 349 237 9 1 80 10
    1 2 249903 487583 0 0 0 51 437 0 267 440 203 9 1 82 7
    1 2 254684 482808 0 0 0 13 56 0 242 344 153 6 1 88 5
    1 2 271774 465507 0 0 0 75 528 0 282 1642 252 15 2 77 7
    1 2 277187 460062 0 0 0 30 159 0 261 1232 227 7 1 85 7
    1 2 280070 457301 0 0 0 344 2162 0 345 1131 458 10 2 75 13
    1 2 282921 454426 0 0 0 294 1792 0 361 619 568 16 2 64 19
    1 2 280346 457055 0 0 0 21 110 0 254 367 205 9 1 83 7
    1 2 277729 459580 0 0 0 9 20 0 250 448 194 12 1 82 5
    1 2 281511 455738 0 0 0 9 27 0 240 400 177 7 1 88 4
    1 2 280291 457010 0 0 0 24 112 0 249 387 187 15 1 79 5
    1 2 280016 457358 0 0 0 339 2473 0 341 464 480 12 2 72 14
    1 2 275792 461619 0 0 0 281 1610 0 336 580 517 13 2 68 17



    regards

    jarcar Guest

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