(wow, what an e-mail address....)
Hi, Tim.
Based on what your problem seems to be, I would think that a possible
solution would be to use the SFS facility.
Historically, CMS minidisks could not be larger than the underlying real
DASD that held them. That is, a CMS minidisk could not be bigger than,
say a 3350 or 3390-3 (they can not span physical DASD volumes). SFS
"pools together" a number of CMS minidisks into one large storage area
that can be (much) larger than one one physical DASD. The SFS server
manages the CMS minidisks that make up the storage pool, and an
administrator can control how much of the pool an individual user can
consume. You can also define a number of different SFS servers on one VM
system, so you can allocate users among a set of servers.
SFS also gives you:
1) a hierarchal directory structure for storing files in (similar to
Unix and Linux)
2) a safe was for reliably sharing files among different users
3) integration with VM's DFSMF/VM function for automatic space
management and control.
4) with an IBM provided communications application, SFS file pools can
be very easily shared across VM systems, even if they are widely
separated, with very good performance.
The IBM manual you need to refer to is:
z/VM CMS File Pool Planning, Administration and Operation,
which can be found here:
http://publibz.boulder.ibm.com/epubs/pdf/hcsi3b10.pdf
Of course, you do need to verify that your batch applications (and batch
monitor) support files residing in the SFS, but I suspect they do.
Good luck.
DJ
- Tim Gray Tim Gray Ø Systems Programmer Ø Information
Technology Ø The MONY Group Ø Phone 315-477-2684 Ø SOC 5T1, MD 35-18 Ø
[EMAIL PROTECTED]
----------------------------------------- * wrote:
Hi Everyone,
Please let me start by saying how much I appreciate all of your input.
I haven't had a need to send a question to the list in a while, so this
is the first opportunity I've had to express my thanks to all of you.
My question / dilemma is probably very routine to most of you, but I'm
not sure where to begin. My clients are encountering space problems
from time to time that will cause their over night applications to
abend. They contact us, and we increase their disk space and they
continue with their batch processing. They have asked if there is a way
to increasing a disk automatically, or if there is a way to create a
pool of volumes, much like SMS does on MVS, that several IDs would all
have access to? Is that where the Shared File System would come in? If
so, how does that work exactly? What types of problems might I
encounter with SFS? I haven't looked into the documentation (I wanted
to make sure it was SFS that I needed to use), but is there a specific
book that would guide me through the setup and management of SFS, if
it's what I need to use?
Any suggestions on how to help my client, and our support team, would be
very much appreciated.
Thank you,
Tim
Tim Gray Ø Systems Programmer Ø Information Technology Ø AXA Technology
Services Ø Phone 315-477-2684 Ø SOC 5T1, MD 35-18 Ø [EMAIL PROTECTED]
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