Re: [Vserver] Hashify 'etch' trouble?

From: Herbert Poetzl <herbert_at_13thfloor.at>
Date: Fri 11 May 2007 - 17:32:27 BST
Message-ID: <20070511163226.GA16584@MAIL.13thfloor.at>

On Thu, May 10, 2007 at 08:53:30PM +0200, Eugen Leitl wrote:
> On Thu, May 10, 2007 at 05:46:48PM +0100, Ben Green wrote:
>
> > What I want to know is can vhashify be used within older vserver
> > setups, specifically Debian 'etch' with it's none COWed kernel. What
> > precautions would I need to take and what things can't I do inside
> > these guest servers?
>
> I've been attending a Sun workshop yesterday (about Solaris 10,
> zones/containers, and HA). There's a number of close similiarities
> between HA on linux, and Linux paravirtualization technologies
> with Solaris zones/containers. Instead of vhashify (and symlinks)
> they're using loopback filesystem (LOFS) to minimize space for shared
> resources. I'm not sure why they chose that way, and didn't go for
> simple symlinks.

well, first, we do not use symlinks for a good reason,
and second, with the loopback filesystem, which is more
like an overlay filesystem and/or --bind mount, the
actual saving is not as good as with hardlinks ...

best,
Herbert

> --
> Eugen* Leitl leitl http://leitl.org
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Received on Fri May 11 18:19:21 2007

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