[Klug-general] disk space issue

[Sharon Kimble]

On Mon, 29 Apr 2013 10:15:18 +0100
Dan Attwood <danattwood at gmail.com> wrote:

> ahh yes, maths was never a strong point of mine.
> 
> so looks like the disk are good now. Time to look more into what
> suddenly ate the space up.

You don't run 'rsnapshot' do you? Because that’s notorious for eating up
empty space on the hard drive!

Sharon.
> 
> 
> On 29 April 2013 10:11, Matthew Tompsett <matthewbpt at gmail.com> wrote:
> 
> > Really? It seems to add up to me.
> >
> > 342G + 24G + (0.01 * 370)G = 369.7G  ~  370G
> >
> > On 29 April 2013 09:49, Dan Attwood <danattwood at gmail.com> wrote:
> > > ok just tested that a dev server and that worked do I've push it
> > > to live.
> > >
> > > That given me some more breathing room. However I don't think
> > > this is the root cause of the problem as a df -h still shows:
> > >
> > >
> > > Filesystem      Size  Used Avail Use% Mounted on
> > > /dev/sdb1       370G  342G   24G  94% /var
> > >
> > > so there is still 30 gig odd being gobbled up somewhere
> > >
> > >
> > >
> > >
> > > On 29 April 2013 09:45, alan <alan at hipnosi.org> wrote:
> > >>
> > >> Note that you replace /dev/hdXY with /dev/sdb1 (or whatever your
> > partition
> > >> is called)
> > >>
> > >> Just tested lowering it (on a non-production server) and got
> > >> another
> > 100GB
> > >> available on /data straight away,
> > >> so seems OK to do it live.
> > >>
> > >> root at otp:~# df -h /dev/sdb1
> > >> Filesystem      Size  Used Avail Use% Mounted on
> > >> /dev/sdb1       1.8T   52G  1.7T   3% /data
> > >>
> > >> root at otp:~# tune2fs -m 1 /dev/sdb1
> > >> tune2fs 1.42 (29-Nov-2011)
> > >> Setting reserved blocks percentage to 1% (4883778 blocks)
> > >>
> > >> root at otp:~# df -h /deb/sdb1
> > >> Filesystem      Size  Used Avail Use% Mounted on
> > >> /dev/sdb1       1.8T   52G  1.8T   3% /data
> > >> root at otp:~#
> > >>
> > >>
> > >> On 29/04/13 09:32, Dan Attwood wrote:
> > >>
> > >> >Have you tried running df --sync
> > >>
> > >> didn't know that. But I've run it and it makes no difference
> > >>
> > >> > ext filesystems reserve 5% of the available space
> > >>
> > >> The link talks about ext3 - the drive is ext4, those that make a
> > >> difference?
> > >> Also I was to run the tune2fs -c 0 -i 1m /dev/hdXY command is
> > >> that something that then happens instantly or will this cause
> > >> downtime?
> > >>
> > >>
> > >>
> > >> On 29 April 2013 09:26, Alan <alan at hipnosi.org> wrote:
> > >>>
> > >>> ext filesystems reserve 5% of the available space
> > >>> reasons  and solution explained here:
> > >>>
> > >>>
> > https://wiki.archlinux.org/index.php/Ext3#Reclaim_Reserved_Filesystem_Space
> > >>>
> > >>> I hope I have not misunderstood, with relevance to VM's...
> > >>>
> > >>> On Mon, 29 Apr 2013 09:13:58 +0100
> > >>> Dan Attwood <danattwood at gmail.com> wrote:
> > >>>
> > >>> > hi all hopefully someone can point me to a good solution to
> > >>> > this.
> > >>> >
> > >>> > I have a VM server running on VMare. Recently if started to
> > >>> > run out
> > of
> > >>> > space on it's /var disk - which is a thin provisioned disk.
> > >>> > We gave
> > it
> > >>> > some
> > >>> > more space and I rebooted the server into gparted and
> > >>> > expanded the disks
> > >>> > into the new free space.
> > >>> >
> > >>> > Today I've come in to find that the /var disk had run out of
> > >>> > space completely. I did a df -h and can see the following:
> > >>> >
> > >>> > Filesystem           Size   Used  Avail   use% mounted on
> > >>> > /dev/sdb1             370G  348G  3.0G 100% /var
> > >>> >
> > >>> >
> > >>> > so the 370 gig disk has only used 348 gigs and yet is 100%
> > >>> > percent
> > full
> > >>> >
> > >>> > my imeadiate thought was I had run out of inodes, however:
> > >>> >
> > >>> > filesystem           inodes      iused    ifree
> > >>> > iuse% /dev/sdb1            24576000 430482 24145518    2% /var
> > >>> >
> > >>> > so I have loads of them free.
> > >>> >
> > >>> > I also rebooted the server into grparted and double checked
> > >>> > the disk partition and also ran a disk check from here - this
> > >>> > flagged up no errors.
> > >>> >
> > >>> > I've now gone through and deleted some stuff to give me some
> > breathing
> > >>> > room
> > >>> > but I really need that space back.
> > >>> >
> > >>> > Does any ones have any suggestions please?
> > >>> >
> > >>> > Dan
> > >>>
> > >>>
>
-- 
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