: 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
LINUX/VM newbie here
The background is z/VM 4.3.
We have two LPARS on the same box each running z/VM with multiple LINUX
images beneath them
I have a request to facilitate data movement between the two z/VM images
What is the standard way of doing this?Can we share dasd somehow?
TIA
Houston
- Original Message -
From: Andy Robertson [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Monday, November 25, 2002 5:00 AM
Subject: Data transfer between z/VM systems
LINUX/VM newbie here
The background is z/VM 4.3.
We have two LPARS on the same box each running z/VM with multiple
-Original Message-
From: Dave Jones [mailto:[EMAIL PROTECTED]]
Sent: Monday, November 25, 2002 8:14 AM
To: [EMAIL PROTECTED]
Subject: Re: Data transfer between z/VM systems
Hi, Andy.
There are several ways you can share data between your two
LPARs running VM.
You can:
1
LINUX/VM newbie here
The background is z/VM 4.3.
We have two LPARS on the same box each running z/VM with multiple
LINUX images beneath them
I have a request to facilitate data movement between the two z/VM
images
What is the standard way of doing this?Can we share dasd
On Mon, 25 Nov 2002, Andy Robertson wrote:
LINUX/VM newbie here
The background is z/VM 4.3.
We have two LPARS on the same box each running z/VM with multiple LINUX
images beneath them
I have a request to facilitate data movement between the two z/VM images
What is the standard way
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
[.. .stuff about CSE ...]
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.
The point of CSE is to allow a VM userid to log in on any system that is
part of the CSE
On Mon, 25 Nov 2002, David Boyes wrote:
[.. .stuff about CSE ...]
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.
The point of CSE is to allow a VM userid to
But does it actually work with Linux? Both Linux systems re
caching data
off the disk. I've not heard that _Linux_ supports it.
Take another look at my note.
Linux is *not* aware of it. CSE does not solve the caching problem, nor
does it attempt to do so. That's why I mentioned GFS, which
On Mon, 25 Nov 2002, David Boyes wrote:
But does it actually work with Linux? Both Linux systems re
caching data
off the disk. I've not heard that _Linux_ supports it.
Take another look at my note.
I did. You wrote it in the specific context of sharing one volume
between two systems. I
Dave,
How good of an idea is it to mount a filesystem R/O on a second Linux/390
image? I would worry about problems due to Linux's aggressive use of
filesystem cache. Also, does CSE take care of the VM mini-disk caching
problem that I read about here?
Thanks,
Folks, I apologize for not be
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