RE: 3573 LTO7 HH FC to VTL conversion - performance issues

Single drive for now.

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Rob Berendt
Sent: Monday, September 21, 2020 11:22 AM
To: Midrange Systems Technical Discussion <midrange-l@xxxxxxxxxxxxxxxxxx>
Subject: RE: 3573 LTO7 HH FC to VTL conversion - performance issues

Are you doing parallel or single drive saves?

Rob Berendt
--
IBM Certified System Administrator - IBM i 6.1 Group Dekko Dept 1600 Mail to: 7310 Innovation Blvd, Suite 104
Ft. Wayne, IN 46818
Ship to: 7310 Innovation Blvd, Dock 9C
Ft. Wayne, IN 46818
http://www.dekko.com

-----Original Message-----
From: MIDRANGE-L <midrange-l-bounces@xxxxxxxxxxxxxxxxxx> On Behalf Of Steinmetz, Paul via MIDRANGE-L
Sent: Monday, September 21, 2020 11:15 AM
To: 'Midrange Systems Technical Discussion' <midrange-l@xxxxxxxxxxxxxxxxxx>
Cc: Steinmetz, Paul <PSteinmetz@xxxxxxxxxx>
Subject: 3573 LTO7 HH FC to VTL conversion - performance issues

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We've completed the VTL configuration.

BRMS FULL SWA - no difference in times - LTO7 = VTL times.
RSTLIBBRM from Production save to R&D LPAR, 18 libraries.
LTO7 tape Restore of 18 libraries from Production save to R&D LPAR runs about 1 hour 25 minutes.
VTL Restore has ranged from 2 hours to 2 hours 43 minutes.
First restore job ran during normal daytime hours when no other VTL processes running - 2 hours 9/18/20 10:17 12:17 2:00
Second restore job ran immediately after the Production save completed, (VTL Dedup and Replication also running) - 2 hours 43 minutes 9/21/20 0:18 3:00 2:43

Anyone in the group experience similar performance issues when migrating from LTO7 to VTL.
Currently working with the vendor identify the bottleneck and possible improvements.

Thank You
_____
Paul Steinmetz
IBM i Systems Administrator

Pencor Services, Inc.
462 Delaware Ave
Palmerton Pa 18071

610-826-9117 work
610-826-9188 fax
610-349-0913 cell
610-377-6012 home

psteinmetz@xxxxxxxxxx
http://www.pencor.com/
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