Re: Antwort: Re: AIX 5.2 paging space Q

From: Bill Verzal (BVerzal_at_KOMATSUNA.COM)
Date: 10/06/04

  • Next message: Patrick B. O'Brien: "Re: 5 minutes after errors" 
    Date:         Wed, 6 Oct 2004 13:16:01 -0500
To: aix-l@Princeton.EDU

    Quote: "hd6 cannot be swapped off"

    I believe that is only true if hd6 is a dump device AND/OR it is the only
    paging space:

    sapbox:/ >mkps -s 10 rootvg hdisk0
    paging00

    sapbox:/ >swapon /dev/paging00

    sapbox:/ >lsps -a
    Page Space Physical Volume Volume Group Size %Used Active Auto
    Type
    paging00 hdisk0 rootvg 320MB 1 yes no
    lv
    hd6 hdisk0 rootvg 3264MB 1 yes yes
    lv

    sapbox:/ >sysdumpdev -l
    primary /dev/primdump
    secondary /dev/secdump
    copy directory /var/dumpdir
    forced copy flag FALSE
    always allow dump FALSE
    dump compression ON

    sapbox:/ >swapoff /dev/hd6

    sapbox:/ >lsps -a
    Page Space Physical Volume Volume Group Size %Used Active Auto
    Type
    paging00 hdisk0 rootvg 320MB 1 yes no
    lv
    hd6 hdisk0 rootvg 3264MB 0 no yes
    lv

    BV
    -------------------------------------
    There's no place like /home

    Bill Verzal
    Project Leader, Komatsu America

    (847) 970-3726 - direct
    (847) 970-4184 - fax

                 "Green, Simon"
                 <Simon.Green@EU.A
                 LTRIA.COM> To
                 Sent by: IBM AIX aix-l@Princeton.EDU
                 Discussion List cc
                 <aix-l@Princeton.
                 EDU> Subject
                                           Re: Antwort: Re: AIX 5.2 paging
                                           space Q
                 10/06/2004 11:19
                 AM

                 Please respond to
                      IBM AIX
                  Discussion List
                 <aix-l@Princeton.
                       EDU>

    Not so! lsps figures will be what is actually being used.
    If an extendlv was done, the new space will not be used. hd6 cannot be
    swapped off so a reboot may be required.
    I'm pretty sure I found a way of dealing with this situation, just by
    playing around with the chps command but I can't find my notes at the
    moment. 

    --
Simon Green
Altria ITSC Europe Ltd
AIX-L Archive at https://new-lists.princeton.edu/listserv/aix-l.html
New to AIX? http://publib-b.boulder.ibm.com/redbooks.nsf/portals/UNIX
N.B. Unsolicited email from vendors will not be appreciated.
Please post all follow-ups to the list.
> -----Original Message-----
> From: IBM AIX Discussion List [mailto:aix-l@Princeton.EDU] On
> Behalf Of Vesna Vranesic
> Sent: 06 October 2004 16:36
> To: aix-l@Princeton.EDU
> Subject: Antwort: Re: AIX 5.2 paging space Q
>
>
> with AIX 5.2? No, no reboot needed
> Do you see the right size? Is it active (Active set to yes)?
> If yes, don't
> worry. It'll work
  • Next message: Patrick B. O'Brien: "Re: 5 minutes after errors"

    Relevant Pages

    • Re: Using swapoff command on hd6
      ... Here's an AIX Tech Tip from IBM: ... If it is mirrored, then you will need to break the mirror. ... Determine how many paging space logical volumes exist on your system. ... If there is just one paging space in rootvg (it will be named hd6), ...
      (AIX-L)
    • Re: few questions on the hd6 paging
      ... Laurenz Albe wrote: ... My hd6 was only 352Mb ... Can I delete the hd6 and so add a single paging space say 2048 Mb in rootvg ...
      (comp.unix.aix)
    • Re: few questions on the hd6 paging
      ... My hd6 was only 352Mb ... Can I delete the hd6 and so add a single paging space say 2048 Mb in rootvg ... Paging I/O speed is maybe less important than it seems - if your machine ...
      (comp.unix.aix)
    • Re: Paging Space--Little bit urgent
      ... to put another ps on a disk where another ps is mirrored ... if you mirror hdisk0 to hdisk1, stick with hd6 and do nothing ... Rule of thumb says that to reduce default paging space we need to create ... space to less than the physical memory size, ...
      (AIX-L)
    • Re: dumpcheck...copy directory too small
      ... paging space, it just splats right over the top of it. ... dumpcheck doesn't realise this, and is reporting incorrectly. ... The dump size increased with migration from 4.3 to 5L, ... For some time now I've relied on dedicated dump devices - good ...
      (AIX-L)