Thank you to everyone. This will probably be enough
John Summerfield
<summer@computerdatas To: [EMAIL PROTECTED]
afe.com.au> cc:
Sent by: Linux on 390 Subject: Re: Data transfer between
z/VM systems
Port
<[EMAIL PROTECTED]
EDU>
25/11/2002 20:06
Please respond to
Linux on 390 Port
On Mon, 25 Nov 2002, Dave Jones wrote:
> Hi, Andy.
>
> There are several ways you can share data between your two LPARs running
VM.
> You can:
>
> 1) connect the two LPARs with a hipersocket connection (if your hardware
> permits it). Then data can be moved from a Linux image in one LPAR to a
> Linux image in the other LPAR using, e.g., FTP.
> 2) physical DASD can be shared among the two LPARs using a VM facility
> called Cross System Extension (CSE). It's a standard part of VM, already
> included in what you have installed. It allows two VM images (one in each
> LPAR ) to share DASD. One Linux image can access DASD in read/write mode,
> while another Linux image in the other LPAR can access the same DASD in
read
> only mode.
Does that actually work if the disk is online to both systems at the
same time? I have visions of Linux not appreciating that the data on its
ro volume is actually dynamic.
_I_ should have mentioned nfs and such.
I also found the site for enbd - it was a trivial Google search. See
http://www.it.uc3m.es/~ptb/nbd/
--
Cheers
John.
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