Tom,

I think we are arguing semantics here.  The dataset is moved once LDMF
completes, and new allocations of the moved datasets go to the new
volume, and those tasks that had it allocated still get it at the old
location until they are recycle, and LDMF takes care of keeping them in
sync.

What you said was: " They're only transparent if the datasets are not
ENQ'd.  Any applications holding datasets will still have to be recycled
so the dataset can move."

When I read what you originally wrote, you seemed to imply that nothing
could be done while the dataset was enqueued. Almost any dataset move is
transparent if it is not allocated. :-)  

_________________________________________________________________
Dave Jousma
Assistant Vice President
Mainframe Services
[EMAIL PROTECTED]
616.653.8429


-----Original Message-----
From: IBM Mainframe Discussion List [mailto:[EMAIL PROTECTED] On
Behalf Of Pinnacle
Sent: Wednesday, July 16, 2008 3:17 PM
To: [email protected]
Subject: Re: Moving 3390-3 to 3390-9

----- Original Message ----- 
From: "Jeffrey Deaver" <[EMAIL PROTECTED]>
Newsgroups: bit.listserv.ibm-main
Sent: Wednesday, July 16, 2008 2:50 PM
Subject: Re: Moving 3390-3 to 3390-9


>> It moves data sets while applications have them OPEN?
>
> Yes and No is my understanding.    It moves the data so I/O is
directed to
> the new location, but the move isn't committed until the ENQ is
released.
> FDRMOVE, which we've used, works the same way.   From the LDMF
manual...
>
>   7. Completion phase           Although the metadata has
>                                 been modi-fied,
>                                 applications that were
>                                 active before diversion
>                                 will have their I/O
>                                 redirected to the target
>                                 location until they
>                                 de-allocate the data set.
>                                 For applications that
>                                 continue to have the
>                                 original source file
>                                 allocation, a scheduled
>                                 bounce will be required in
>                                 order to free the original
>                                 space
>

Jeff,

Thanks for the backup.  Did I not say the applications had to be
recycled 
for ENQ'd datasets?

Regards,
Tom Conley 



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