Mark
Wheeler
“Technical expertise with a strategic
point of view”
Employment
History
3M
Company
· IT Design Specialist 1997-2009
o z/VM operating system, networking, performance, capacity, and configuration planning
o zLinux configuration and support
o ADSM/TSM server support
o Unix System Services administration
o SMP/E product installation and maintenance
· Lead Systems Programmer 1987-1996
o VM operating system, networking, performance and capacity planning
o PROFS/OfficeVision
o VM:Manager
ITT Life Insurance
·
Systems programmer 1984-1987
o VM operating system, networking, performance, capacity, and configuration planning supporting application development environment
o Applications support for TSO, CICS, Panvalet, library management
· Technical Support 1981-1984
o MVS and TSO utility development
o Applications programming support
· Applications programmer 1975-1981
o Develop and maintain applications programs, primarily COBOL on DOS/VS, Assembler on OS/VS1
Operating
Systems
Linux on zSeries
· First install – Marist distribution March 2000
· RHEL3, SLES8, SLES9, as many as 75 virtual machines
· Wrote cloning process for each environment, producing new clones in under 30 minutes, including network definitions, SSL keys, cron entries, TSM client configuration
· Hosted applications included DB2Connect, Tivoli Storage Manager servers, Squid, Samba, WebSphere, Sendmail
z/VM
· 28 years, starting with VM/370 R6 BSEPP on 4331
· Supported 13 VM systems 1988-1992, with 35,000 OV/VM users
· Applications including DB2/VM, FOCUS, NOMAD
· Currently running z/VM 5.3 on 6 LPARs on z800 (legacy apps), 2 LPARs on z9-109 IFLs running Linux guests
· Early Support Program participant for VM/ESA 2.1-2.4, z/VM 5.3
· 52 VM operating system installations or upgrades since 2000
· Maintained average availability of 99.97% (planned and unplanned) for all 8 VM systems, with 3 of 8 at least 99.999% (2005)
z/OS
· Unix System Services administrator since 2000
· HFS and zFS in shared sysplex environment
· Applications support, including PeopleSoft, Content Manager OnDemand, WebSphere 4.1, 5.1, IBM HTTP Server
· All documents, product images served out to 3m.com through WAS (and zLinux reverse proxy servers) in this environment 2002-2007
· Rewrote JES2 exits 2, 4, 20 for z/OS 1.4 to z/OS 1.7 upgrade
· SMP/E service and product installs 2009
NCR MP-RAS
·
Configuration planning and performance
monitoring of NCR Teradata data warehouse system, 1998-2009
Programming
Languages
REXX,
CMS Pipelines
·
All z/VM, z/OS, Teradata performance data is
collected, analyzed, summarized, and trended. Data is extracted and SAS
programs generated automatically daily, and sent to z/OS for production of
graphical charts served up by IBM HTTP server.
·
Linux guest cloning
·
Utility to allow CMS files to be e-mailed as
attachments
·
OfficeVision “NOTE TERMNL TTY”-mode lookalike which
send e-mails via SMTP
·
TSO REXX program generates mime to enable MVS
jobs to send e-mails via SMTP
·
Unix System Services REXX programs to build
required directories, file permissions for performance charts
·
And thousands more!
Assembler
·
JES2 exits
·
24-bit MVS assembler routines updated to support
31-bit
· Binary search routines for high-performance searches of data in DCSS’s
·
Y2K updates to 1980s-era BDT routines, others
·
Local mods to CMS, RSCS
· User exits for RSCS, VM:Secure, VM:Tape
· Hundreds more as applications programmer 1977-1984
PL/I
· Y2K updates to orphaned apps
Other
· TSO Clist, EXEC, EXEC-2, Unix script, Cobol, EasyTrieve, EasyTrieve Plus, Fortran, Algol, APL
Performance
and Capacity Planning
z/VM
·
Responsible for all performance and capacity
planning
·
Hardware upgrade planning
·
Multi-system Performance Toolkit
·
Data collection (via PIPE STARMON), analysis,
and report generation hub for all z/VM LPARs and CECs, including selected
virtual machines
z/OS
·
z/VM used to collect, analyze, and generate
performance charts for all z/OS LPARs and CECs, including zIIP processors
NCR Teradata
·
z/VM used to collect,
analyze, and generate performance charts for NCR Teradata systems, for each
node, and for MPP complex as a whole. Data is extracted from sar
reports, so certain Linux and HP-UX systems are also supported, as well as
Windows systems running TeamQuest.
Tivoli
Storage Manager
WDSF (Workstation
Data Save Facility)
· 1991 Hardware configuration design
ADSM/VM
· 1993 Version 1
· 1997 SHARE presentation “Scaling Up With ADSM/VM”
· 1998 Version 2
· 1999 Version 3 Early Support Program
TSM on Linux on zSeries
· 2006 Version 5.3
· 13 terabytes of stored data (August 2008)
TSM Client Support
· z/OS Unix System Services, Linux on zSeries, Windows
Networking
TCP/IP
on z/VM
· Hardware
o
OSA Express II
o
VSWITCH
(VLAN-aware and –unaware)
o
Guest LANs (QDIO
and Hipersockets)
o
Real Hipersockets
o
CTCs (FICON and
ESCON)
· Software Features and Components
o
VIPA, OSPF
o
MPROUTE,
FTPSERVE, SMTP, UFTD, REXECD, IDENTD
o
VM:Webserver,
Webshare, Gopher
VTAM
· Hardware
o
3705, 3725, 3745
o
OSA Express II
(T/R mode)
o
CTCs (FICON and
ESCON)
· Software Features and Components
o
APPN (NN and EN)
o
VTAM, VSCS, AVS
Other
· RSCS
o
Early Support
Program for RSCS FL530
· VM Passthru
· ISFC
Recognition
and Awards
IT
Quality Awards
· 1989 - PROFS/SoftSwitch names directory integration
·
1995 - OV/VM migration of 3M
·
1995 – Employee Information Update Project
Chairman’s Leadership Award
· 1999 - OUS Material Safety Data Sheets on Global IT Systems
IT Top
Performer Award
· 2006 – Implementation of DB2Connect on zLinux exploiting Hipersocket and VSWITCH technologies
Participation
in the IT Community
SHARE
· Deputy Project Manager for Requirements, VM Performance and Capacity Planning Project (1996-1998)
· Speaker on various VM performance and ADSM topics (1995-1998)
· Session chair on numerous occasions
Mailing Lists
· Subscriber and frequent contributor to
o
VMSHARE, IBMVM-L,
CMSPIP-L, LINUX390, ADSM-L, IBM-MAIN, TCPIP-L, TSO-REXX
Education
Recent technical training
· z/OS Fundamentals (2008)
· z/OS Facilities (2008)
·
z/OS System Programmer Mastery
Test (2008)
· Oracle on zLinux Installation (2007)
· SMP/E Fundmentals (2007)
· WebSphere V6 on z/OS (2006)
· WebSphere V5 on zLinux (2005)
· WebSphere V5.1 on z/OS (2005)
·
Six Sigma
· OS/390 WebSphere Deployment (2002)
· SHARE management training (1996)
· Numerous SHARE conferences (1987-2007)
·
Bachelor of Science, with majors in Physics and
Mathematics
Outside Activities
North St Paul/Maplewood/Oakdale MN
School Board
· Director 2002-2003, Clerk 2004-2008, Vice-chair 2009-
·
Ninth largest school district in
· Minnesota School Board Association Director’s Award for completing over 100 hours of leadership training
Contact Information
Mark Wheeler
(651)773-9950
http://www.linkedin.com/in/marklwheeler