Nacho,

EMC made this kinda work by providing a utility that would allow the
microcode to change the contents of your volumes - specifically to update
the last reference date. This is redundant now as MVS will tolerate the
error when last ref date cannot be updated.

I used this facility with SRDF and Shadowimage on Open (distributed) and
Mainframe systems. It works in some cases, but these volumes are read only
from only one direction. Databases and reporting programs really don't like
it when the contents of a file start to change under their feet. 

It's a bit like defining volumes as non-shared, and then sharing them.

Ron

> -----Original Message-----
> From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
> Behalf Of Yera Fachal, Ignacio
> Sent: Thursday, 23 February 2006 7:37 PM
> To: IBM-MAIN@BAMA.UA.EDU
> Subject: Re: Mount DASD as read-only
> 
> We have read only dasd volumes.
> 
> We have a EMC's Symmetrix DASD cabinet with SRDF's remote copy. What we
> have
> online as read only is the destination volume of the remote copy witch is
> read-only for MVS. So, if we dont want to allow a partition to be able to
> write to a specific volume, we vary online the "destination" device.
> 
> 
> Best regards.
> 
> Nacho Yera Fachal
> 
> 
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