Please explain I/O should not be done to DREF using "DREF storage as buffer
area for I/O"


When I used sysplex IXG macros to obtain member information the doc said use
DREF storage  
-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[email protected]] On Behalf
Of Edward Jaffe
Sent: Wednesday, February 22, 2012 2:46 AM
To: [email protected]
Subject: Re: Difference between DREF storage and Page fixed storage

On 2/21/2012 10:47 PM, Jim Mulder wrote:
>   The operating system reserves the right to exchange the frame backing
> any DREF page (LSQA or SQA) at any time.

Which is why I/O should not be done to DREF storage, only to fixed storage.

-- 
Edward E Jaffe
Phoenix Software International, Inc
831 Parkview Drive North
El Segundo, CA 90245
310-338-0400 x318
[email protected]
http://www.phoenixsoftware.com/

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