[Systems] Freedom's root filesystem full

[Sam P.]

Hi Bernie,

Sorry I took so long to get back to you!

On Tue, Sep 30, 2014 at 5:50 AM, Bernie Innocenti <bernie at codewiz.org>
wrote:

> On 09/29/2014 03:10 AM, Sam P. wrote:
> > Hi Bernie,
> >
> > On Sep 29, 2014 12:58 AM, "Bernie Innocenti" <bernie at codewiz.org
> > <mailto:bernie at codewiz.org>> wrote:
> >>
> >> Hello Sam,
> >>
> >> is the stuff in /var/lib/docker2 still needed? The root filesystem is
> >> almost full.
> >
> > No... I migrated all the stuff in the docker folder to a new partition
> > by using that as temp folder... You can delete it.
>
> I recursively deleted everything under /var/lib/docker2, but there was
> still an aufs mounted under /var/lib/docker2, and it looks like it was
> still in use by docker! I unmounted it
>
> Can you please check that everything still works as intended?
>
> In case I accidentally deleted something live, we should be able to
> recover it from our daily backup.
>
>
It did get broken... but the data was stored separately so I just restarted
the container



>
> >> Also, the two filesystems you mounted for docker instances are not in
> >> /etc/fstab. You might want to add them.
>

Done!


> >
> > I will be away from my laptop for a while now, but I will do this ;)
>
> Ok.
>
> Another question: which docker package are we using on freedom? We seem
> to be using lxc-docker-1.2.0, but there were leftover config files from
> an older docker.io version 0.9.1. I purged them to avoid confusion.
>

Thanks


>
>
> >> One last question: do we specifically need btrfs for snapshots or some
> >> other feature? If not, I'd rather keep using ext4 exclusively on all
> >> servers to reduce the number of kernel bugs we hit.
> >
> > I will move back to ext4.  The only reason I used btrfs was some
> > magazine article praising it as the filesystem of the future.
>
> I've been following btrfs development for some 7 years, but it's been a
> disappointment. It's not really... better. It's much slower than ext4
> for common workloads and it's just barely starting to become stable now.
> No distribution (other than Oracle's RHEL ripoff) made it the default,
> and RHEL7 just switched to xfs, showing that RH is not interested in btrfs.
>
> But btrfs has COW snapshots, which make it perfect for some
> applications. Have you seen Lennart Poettering's b new package
> management proposal?
>

Cool, I see.  I don't use any of the fancy stuff.
This is really dumb, but is there a tool for moving stuff between
partitions (other than copying)?  Copying is messy :(


Thanks, Sam
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