From: pSeries AIX Geek (aixgeek@YAHOO.COM)
Date: Sat Dec 14 2002 - 08:58:25 EST
I know that this is an old post, but I just had to
comment.
The reason that his / is 100% full with no seemingly
large files is because there is a process running
holding open a file that's been deleted. Using fuser
(try the -dV or -cx options) will probably find it.
Usually, there isn't THAT much data in /, so the
benefits of making the nbpi smaller are really
negligible (plus, you'd EITHER have to hack your
image.data file ahead of time or use Sysback to
restore; there's no way to do a FRESH install and
modify the nbpi on / ).
- pAG
--- Aaron Morris <aaronmorris@MINDSPRING.COM> wrote:
> This reminds me of a problem I had on Windows
> systems using FAT16. A
> 2GB FAT16 filesystem has a 32KB cluster (usually
> called inodes in unix)
> size. A 1KB file wastes space on a filesystem
> because it makes the
> other 31KB of the cluster it occupies unusable. In
> one circumstance I
> saw 1.2GB of files actually taking up 2GB of space
> because of cluster
> size. By converting the filesystem to NTFS (with
> 4KB cluster size), it
> essentially "freed" ~600MB of space. This is more
> of an attempt at an
> explanation than a solution.
>
> You could try and recreate the "/" filesystem with a
> smaller inode size.
> The default inode size for JFS is 4KB.
>
> Barry Deevey wrote:
> > Hello again,
> >
> > We've now managed to boot from mksysb and run fsck
> on the root filesystem,
> > but fsck did not display any problems, but / is
> still 100% full - I have
> > thoroughly checked the system using ls -al and du
> -s * on root and cannot
> > see anything at all that could possibly use up all
> of the space (as / has
> > over 2Gb allocated to it)
> >
> > Is there anything else we can try before we are
> forced to restore from
> > mksysb???
> >
> > Cheers,
> >
> > Barry.
> >
> >
> > -----Original Message-----
> > From: Barry Deevey
> [mailto:Barry.Deevey@SEFAS.CO.UK]
> > Sent: Monday, December 02, 2002 7:57 AM
> > To: aix-l@Princeton.EDU
> > Subject: Re: root filesystem shows 100% full when
> it isn't
> >
> >
> > Can't seem to find the steps to get to that menu
> option having booted from
> > CD. Can you help?
> >
> > Barry
> >
> > -----Original Message-----
> > From: Bill Verzal [mailto:Bill_Verzal@BCBSIL.COM]
> > Sent: 02 December 2002 15:36
> > To: aix-l@Princeton.EDU
> > Subject: Re: root filesystem shows 100% full when
> it isn't
> >
> >
> > "Access a volume group before mounting
> filesystems" from the maintenance
> > menu.
> >
>
----------------------------------------------------------------------------
> >
> > ----------------------------
> >
> > Bill Verzal
> > Technical Consultant
> > Forbes Technical Consulting
> > (312) 653-3684
> > bill_verzal@bcbsil.com
> > billverzal@imcingular.com (Pager)
> > 888-428-4025 (Pager)
> > MailStop: 27.202B
> >
> >
> >
> > "Barry Deevey"
> > <Barry.Deevey@SE To:
> aix-l@Princeton.EDU
> > FAS.CO.UK> cc:
> > Sent by: "IBM
> Subject: Re: root filesystem
> > shows 100% full when it isn't
> > AIX Discussion
> > List"
> > <aix-l@Princeton
> > .EDU>
> >
> >
> > 12/02/2002 09:40
> > AM
> > Please respond
> > to "IBM AIX
> > Discussion List"
> >
> >
> >
> >
> >
> >
> > I have tried booting into single user mode and
> running fsck /dev/hd4 (root
> > filesystem) but this will not try to fix anything
> as the filesystem is
> > still
> > mounted. Can anybody help in explaining how I can
> run fsck on a root??
> >
> > Thanks for any replies, they're much appreciated.
> >
> > -----Original Message-----
> > Sent: 02 December 2002 13:14
> > To: aix-l@Princeton.EDU
> > Subject: root filesystem shows 100% full when it
> isn't
> >
> >
> > df shows / filesystem as 100% full, but ls and df
> do not show sufficient
> > data to fill it.
> >
> > Tried a reboot but to no effect.
> >
> > Any ideas?
> >
> > John Dunn
> > Sefas Innovation Ltd
> > 0117 9154267
> > www.sefas.com
> >
> >
> >
> >
> >
> >
> > **********
> > The information contained in this communication is
> confidential, private,
> > proprietary, or otherwise privileged and is
> intended only for the use of
> > the
> > addressee. Unauthorized use, disclosure,
> distribution or copying is
> > strictly prohibited and may be unlawful. If you
> have received this
> > communication in error, please notify the sender
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> >
>
> --
> Aaron W Morris
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