Re: [vserver] Copy-on-write Hard Links, Shared Libraries, Prelink and Memory

From: Herbert Poetzl <herbert_at_13thfloor.at>
Date: Thu 10 Jun 2010 - 01:46:20 BST
Message-ID: <20100610004620.GE3270@MAIL.13thfloor.at>

On Wed, Jun 09, 2010 at 01:24:42PM +0100, Gordan Bobic wrote:
> On 06/09/2010 08:48 AM, Corey Wright wrote:
> >On Tue, 08 Jun 2010 23:39:51 +0100
> >Gordan Bobic<gordan@bobich.net> wrote:

> >> Finally, is there a utility for re-merging files that got unmerged,
> >> if they get replaced with the old version that is again the same
> >> as the template? Can somebody point me at the relevant bit of
> >> documentation on this?

> ># hashify a vserver
> >vserver ${VSERVER_NAME} hashify

> Is there a way to include the host into the hashification? If I'm
> running, say, RHEL5 on RHEL5, it seems wasteful to not merge host's
> files in as well. Obviously, I could do it manually - I'm more
> concerned whether it would break something I can't think of at the
> moment.

it is not a good idea to do that for several reasons, one
being the fact that host files are used from the host
context and so the tools working on them could accidentially
overwrite shared guest files or set permissions which are
not desired inside the guest ....

in general, keep the host system minimal and don't mix it
with the guests unless you know exactly what you are doing

best,
Herbert

> Gordan
Received on Thu Jun 10 01:47:03 2010

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