[ale] copying data between 2 ubuntu vm's

Wolf Halton wolf.halton at gmail.com
Thu Sep 29 22:31:58 EDT 2011


That works too, Geoff,
I scp across noncontiguous private networks to get to my target sometimes,
but it is not a simple one-step process.  At least 1 on each of the networks
has to be on a public IP.  It is like manual source-routing.


On Wed, Sep 28, 2011 at 11:31 AM, Geoffrey Myers <
lists at serioustechnology.com> wrote:

> Wolf Halton wrote:
> > scp is pretty good, as long as all are on public IPs
>
> Or on the same private subnet?
>
> >
> >
> >
> >
> > On Fri, Sep 23, 2011 at 8:26 PM, JD <jdp at algoloma.com
> > <mailto:jdp at algoloma.com>> wrote:
> >
> >     On 09/23/2011 07:31 PM, Narahari 'n' Savitha wrote:
> >      > Friends:
> >      >
> >      > I have a VM1 which is 23GB with 2GB of swap.
> >      >
> >      > I have another VM2 which is 21GB with 2GB of swap.
> >      >
> >      > What is the best and efficient way of copying the data from VM2
> >     to VM1 ?
> >      >
> >      > Time is not a factor but reliably copy is.
> >
> >
> >     Probably rsync, but scp, rcp, ftp, sftp or any other "copy" tool of
> your
> >     choice will work.  I'd avoid CIFS.
> >
> >     Treat each VM just like a regular machine. If you've setup a VM-only
> >     switch, using that instead of the public IP would probably be faster,
> >     but if the VM virtual-disks are physically on the same HDD, that will
> be
> >     the limiting factor.
> >
> >     You could setup NFS between the systems or use iSCSI between them
> too,
> >     if you like. Probably overkill when rsync is so much easier.
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> Until later, Geoffrey
>
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