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alpine-devel

Re: [alpine-devel] Using df with OverlayFS

From: Natanael Copa <ncopa_at_alpinelinux.org>
Date: Thu, 8 Sep 2016 20:52:30 +0200

The problem was that line buffer in getmntent(3) in musl libc was too small.

I have sent a patch upstream:

http://www.openwall.com/lists/musl/2016/09/08/1

Once its reviewed I'll add it to Alpine.

-nc

On Thu, 8 Sep 2016 15:13:27 +0200
Christian Kniep <ckniep_at_gaikai.com> wrote:

> Hey Justin,
>
> thanks for getting back to me. I have created a package on an overlay host
> and using it as an workaround.
> https://github.com/qnib/alpn-hadoop/blob/master/Dockerfile#L15-L16
>
> But I am happy to get rid of it, once the issue is fixed. :)
>
> Thanks
> Christian
>
> On Thu, Sep 8, 2016 at 12:19 PM, Justin Cormack <
> justin_at_specialbusservice.com> wrote:
>
> > There is an issue already http://bugs.alpinelinux.org/issues/5703 and
> > this should be fixed shortly.
> >
> > Justin
> >
> >
> > On 2 September 2016 at 09:25, Christian Kniep <ckniep_at_gaikai.com> wrote:
> > > Hey there,
> > >
> > > I am running an alpine container on a Linux system that uses overlay as
> > > docker storage backend.
> > >
> > > My suspicion would be, that the df command does not no how to deal with
> > > overlay as a filesystem and therefore is shy providing output* :)
> > >
> > > gentoo1 ~ # docker info |grep 'Storage Driver'
> > > Storage Driver: overlay
> > > gentoo1 ~ # docker run -ti --privileged alpine df -h
> > > Filesystem Size Used Available Use% Mounted on
> > > gentoo1 ~ # docker run -ti --privileged ubuntu df -h
> > > Filesystem Size Used Avail Use% Mounted on
> > > overlay 1.4T 3.6G 1.4T 1% /
> > >
> > > If I run df on my Ubuntu16 reference box - using AUFS as a storage
> > backend,
> > > I get an output.
> > >
> > > root_at_swarm0:~# docker info |grep 'Storage Driver'
> > > WARNING: No swap limit support
> > > Storage Driver: aufs
> > > root_at_swarm0:~# docker run -ti alpine df -h
> > > Filesystem Size Used Available Use% Mounted on
> > > none 77.2G 26.3G 47.0G 36% /
> > >
> > > How do I get overlay into this little df command of mine? I guess somehow
> > > fiddle around with the APKBUILD file of coreutils*
> > >
> > > Cheers
> > > Christian
> > >
> > >
> > >
> > >
> >
> >
> > ---
> > Unsubscribe: alpine-devel+unsubscribe_at_lists.alpinelinux.org
> > Help: alpine-devel+help_at_lists.alpinelinux.org
> > ---
> >
> >



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Received on Thu Sep 08 2016 - 20:52:30 GMT