From: Holger.VanKoll@SWISSCOM.COM
Date: Thu Jun 27 2002 - 11:50:15 EDT
if you want to risk not to mirror pagingspace; that sounds ok
of course you must specifiy the disk (f.e. hdisk0 for hd6 and hdisk1 for paging00)
if you mirror ps I see no point in creating 2 ps on rootvg... I always create a hd6 and mirror it
> -----Original Message-----
> From: Dave.Zarnoch@SUNGARD.COM [mailto:Dave.Zarnoch@SUNGARD.COM]
> Sent: Donnerstag, 27. Juni 2002 17:00
> To: aix-l@Princeton.EDU
> Subject: Re: Problems with paging space
>
>
> Thanks!
>
> Here's what I have now:
>
> Page Space Physical Volume Volume Group Size %Used
> Active Auto
> Type
> paging02 hdisk0 rootvg 4096MB 0
> no yes
> lv
> paging01 hdisk3 vg00 4096MB 21
> yes yes
> lv
> paging00 hdisk2 vg00 4096MB 21
> yes yes
> lv
>
> There is a lot of disk activity on hdisk3 and hdisk2 due to a
> DB app and
> third party
> app running there
> rootvg is VERY quiet
>
> I think I'll try to:
>
> Change the dumpdevice temporarily
> Remove paging02 (on vg00 Second VG)
> Deactivate paging00
> Remove paging00 (on vg00 Second VG)
> Create hd6 (not mirrored) on rootvg
> Create paging00 (not mirrored) on rootvg
> (This way I can utilize the "round robin" method)
> Deactivate paging01
> Remove paging01
> Change the dumpdevice to utilize the space freed
> on vg00.
>
> Does this sound OK?
>
> Thanks!
>
> DaveZ
>
>
>
>
>
>
> Holger.VanKoll@SW
> ISSCOM.COM To:
> aix-l@Princeton.EDU
> Sent by: IBM AIX cc:
> Discussion List Subject: Re:
> Problems with paging space
> <aix-l@Princeton.
> EDU>
>
>
> 06/27/2002 10:35
> AM
> Please respond to
> IBM AIX
> Discussion List
>
>
>
>
>
>
> and remember you (still?) cant have more than 16 GB swapspace (all
> together).
> paging02 looks big... depending on your pp-size.
> btw. you dont have hd8 mirrored...
>
> I agree with Simon... recreate hd6
>
> > -----Original Message-----
> > From: Green, Simon [mailto:SGreen@KRAFTEUROPE.COM]
> > Sent: Donnerstag, 27. Juni 2002 16:14
> > To: aix-l@Princeton.EDU
> > Subject: Re: Problems with paging space
> >
> >
> > As you can see from rc.boot, the system assumes that the
> > primary paging
> > space in rootvg is hd6. But it isn't on your system;
> > sometime in the past
> > someone has removed hd6, but has messed it up.
> >
> > As a first step, you could try editing /sbin/rc.boot so that
> > it activates
> > /dev/paging02 at startup. You'll need to reboot, of course.
> >
> > Personally, I would prefer to remove paging02 and re-create
> hd6 in its
> > place.
> >
> > Take a look in the System Management Guide, Chapter 7: Paging
> > Space and
> > Virtual Memory. There's a section "Resizing or Moving the
> hd6 Paging
> > Space".
> >
> > Simon Green
> > Philip Morris ITSC Europe
> >
> > AIX-L Archive at http://marc.theaimsgroup.com/?l=aix-l&r=1&w=2
> > AIX FAQ at http://www.faqs.org/faqs/aix-faq/
> >
> > N.B. Unsolicited email from vendors will seldom be appreciated.
> >
> > > -----Original Message-----
> > > From: Dave.Zarnoch@SUNGARD.COM [mailto:Dave.Zarnoch@SUNGARD.COM]
> > > Sent: 27 June 2002 14:49
> > > To: aix-l@Princeton.EDU
> > > Subject: Re: Problems with paging space
> > >
> > >
> > > grep -e hd6 -e paging /sbin/rc.boot
> > >
> > >
> > > # Start paging if no dump
> > > [ ! -f /needcopydump ] && swapon /dev/hd6
> > > # Don't configure the secondary dump device if it's a paging space
> > > # other than hd6.
> > > # Note: The primary should be hd6 if it's a paging space.
> > > # See if it's a paging space other than hd6
> > > if [[ -n "$dev" && "$dev" != "hd6" ]]
> > > then # Check for paging space.
> > > then # secondary is paging, don't set it now.
> > >
> > > lsvg -l rootvg
> > >
> > >
> > > LV NAME TYPE LPs PPs PVs LV STATE
> > > MOUNT POINT
> > > hd5 boot 1 2 2 closed/syncd N/A
> > > lv00 jfs 96 192 2 open/syncd /scs
> > > hd8 jfslog 1 1 1 open/syncd N/A
> > > hd4 jfs 16 32 2 open/syncd /
> > > hd2 jfs 63 126 2 open/syncd /usr
> > > hd9var jfs 8 16 2 open/syncd /var
> > > hd3 jfs 16 32 2 open/syncd /tmp
> > > hd1 jfs 32 64 2
> open/syncd /home
> > > paging02 paging 128 256 2 open/syncd N/A
> > >
> > > Also:
> > >
> > > Here's my /etc/swapspaces file:
> > >
> > > paging02:
> > > dev = /dev/paging02
> > >
> > >
> > > paging00:
> > > dev = /dev/paging00
> > >
> > >
> > >
> > > paging01:
> > > dev = /dev/paging01
> > >
> > >
> > >
> > > Here's what's in alog:
> > >
> > > Activating all paging spaces
> > > 0517-072 swapon: Cannot activate paging device /dev/paging02.
> > > : The requested resource is busy.
> > > swapon: Paging device /dev/paging00 activated.
> > > swapon: Paging device /dev/paging01 activated.
> > >
> > > The error is the same one that I get when I try "swapon -a"
> >
>
This archive was generated by hypermail 2.1.7 : Wed Apr 09 2008 - 22:16:01 EDT