Re: [Xen-users] About installing Virtual Machines in the same hd

To:	"Claus R. F. Overbeck" <xen@xxxxxxxxxxxxxxxxxx>
Subject:	Re: [Xen-users] About installing Virtual Machines in the same hdd partition
From:	Marius Hårstad Kjerkreit <mkjerkreit@xxxxxxxxx>
Date:	Thu, 2 Jun 2005 11:11:04 +0200
Cc:	xen-users@xxxxxxxxxxxxxxxxxxx
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On 02/06/05, Claus R. F. Overbeck <xen@xxxxxxxxxxxxxxxxxx> wrote:
> Am Donnerstag 02 Juni 2005 10:42 schrieb Fajar A. Nugraha:
> > Miguel Gómez wrote:
> > > The problem comes when I thing about installing a new Virtual Machine,
> > > I would not like to create a new partition in my hard disk to store
> > > the new virtual machine, what I would like to do is to have the same
> > > filesystems being shared by all the running Virtual Machines, plus
> > > Xen. Can I do this?
> >
> > Short answer : No.
> >
> > Long answer:
> > Linux requires some part of filesystem (/var, /tmp, etc.) to be
> > available read-write.
> 
> Hi,
> 
> can't one circumvent this by mounting  ramdisks on these parts? Or if the
> whole root partition is not too big put it all in a ramdisk like on a
> diskless system?
> One could also mount only one ramdisk and create links for tmp and var
> pointing to dirs on the ramdisk.

That would eat all your ram in the in the end.

-Marius

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Re: [Xen-users] About installing Virtual Machines in the same hdd partit