[Klug-general] disk space issue

[Dan Attwood]

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.


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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> >>> Kent at mailman.lug.org.uk
> >>> https://mailman.lug.org.uk/mailman/listinfo/kent
> >>
> >>
> >>
> >>
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> >>
> >>
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> >
> >
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