On Mon, Feb 23, 2004 at 09:39:09AM -0000, Dan Winfield wrote:
> Hi
>
> I was wondering how effective the vunify is? It looks like I have saved
> a very small percentage when I unify a vserver. In my previous post I
> thought that it might not have worked as the command ran so quickly.
>
> Looking in more details at the files with lsattr, the unified vserver
> has had the flags changed for the files.
>
> For example
>
> ----i----------t- testunify/bin/mount
> ----i----------t- testunify/bin/umount
> ----i----------t- testunify/bin/ps
> ----i----------t- testunify/bin/kill
> ----i----------t- testunify/bin/sed
> ----i----------t- testunify/bin/date
> ----i----------t- testunify/bin/echo
>
> Does this look ok?
>
> How do you measure the benefit, would du <vserver> do the job?
find /vservers/<name> -xdev ! -links 1 -printf "%s\n" \
| gawk '{ sum+=$1 } END { print sum }'
will give you an estimate of the number of 'shared' bytes,
where local hardlinks are accounted too ...
find /vservers/<name> -xdev -links 1 -printf "%s\n" \
| gawk '{ sum+=$1 } END { print sum }'
will sum up the non hardlinked (definitely not shared)
files in a vserver ...
still the ultimate tool to do this is missing ...
HTH,
Herbert
> All the best
>
> Dan
>
>
> > -----Original Message-----
> > From: [EMAIL PROTECTED]
> > [mailto:[EMAIL PROTECTED] On Behalf Of
> > Dan Winfield
> > Sent: 22 February 2004 16:42
> > To: [EMAIL PROTECTED]
> > Subject: RE: [Vserver] Vunify error util-vserver-0.29.192
> >
> >
> > Hi Enrico,
> >
> >
> > >
> > > | # vserver foo build -m skeleton --hostname foo --netdev eth0
> > > | --interface 10.1.2.3/20 --context 42
> >
> > Managed to create a vserver using this command. Used debootstrap.
> >
> > This put all config into /usr/local/etc/vservers and not
> > /etc/vservers as mentioned in the doc.
> >
> > I followed the setting up of the reference server, adapting
> > the paths for /usr/local/etc/vservers
> >
> >
> > When I run >vserver testunify unify
> >
> > Nothing happens the command returns immediately and there is
> > no feedback!
> >
> > Also, I get lots of errors when stopping the vserver relating
> > to mounts. Never had this before!
> >
> > Sending all processes the TERM signal... done.
> > Sending all processes the KILL signal... done.
> > Saving random seed... done.
> > Unmounting remote filesystems... done.
> > Deconfiguring network interfaces: done.
> > umount2: Operation not permitted
> > umount: none: not found
> > umount: /tmp: Illegal seek
> > Deactivating swap... done.
> > Unmounting local filesystems... umount2: Operation not permitted
> > umount: none: not found
> > umount: /dev/pts: Illegal seek
> > umount2: Operation not permitted
> > umount: none: not found
> > umount: /tmp: must be superuser to umount
> > umount2: Invalid argument
> > umount: /dev/hdv1: not found
> > umount: /: not mounted
> > done.
> > mount: permission denied
> > Rebooting... ifdown: shutdown eth0: Permission denied
> >
> > Anything you can help with?
> >
> > Dan
> >
> > _______________________________________________
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> >
>
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