If you add ExHPDM (Expert High Performance Data Mover) to the mix for
either FDR or DFDSS you can perform your backups and restores and
experience a reduction in elapse times ranging from 50% to 75%.
ExHPDM V6.2 can now be seamlessly implemented and does not require
having to change your current production DFDSS/FDR backup/restore JCL.
You can direct your DFDSS/FDR batch workload to ExHPDM via policies that
you define in the SMC product. ExHPDM writes data to tape in 256K
blocks, allowing for you to make better use of the tape media and
improves the performance of FDR and DFDSS.
Luis Monge
Advisory Software Engineer
SUN Microsystems
McKown, John wrote:
-----Original Message-----
From: IBM Mainframe Discussion List
[mailto:[EMAIL PROTECTED] On Behalf Of Jim McAlpine
Sent: Friday, July 20, 2007 10:11 AM
To: [email protected]
Subject: DFDSS versus FDR
Many moons ago I had access to the FDR products for backup
and recovery but
now I only have DFDSS. As I remember, one of the big
differentiators at the
time was that with FDR you could do a dataset restore (including VSAM
datasets) from a full volume physical dump but that wasn't
possible with
DFDSS. Is my memory correct and if so is that still the case
ie is DFDSS
still deficient (or WAD) in that area. I could test DFDSS I
suppose, but
it's Friday and nearly time to go.
Jim McAlpine
DFDSS can restore single volume sequential and PDS datasets from a full
volume backup. It cannot restore multivolume sequential or VSAM from a
full volume backup.
--
John McKown
Senior Systems Programmer
HealthMarkets
Keeping the Promise of Affordable Coverage
Administrative Services Group
Information Technology
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