or Linux on the Mainframe Eric K Dickinson Presenter Agenda Biography Disclaimer The Mainframe Must Die zLinux What Qualifies Me to Present Been a nerd since 1979 Fixed computers and radars in the army ID: 336607
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z/LinuxorLinux on the Mainframe
Eric K. Dickinson
PresenterSlide2
AgendaBiography
Disclaimer
The Mainframe Must Die!
zLinuxSlide3
What Qualifies Me to Present?Been a nerd since 1979
Fixed computers and radars in the army
AT&T Computer Systems System 5v4 1986
Became Richard Stallman fan 1989
Became Patrick
Volkerding
fan in 1993
Installed first z/Linux 2007
Became Government production 2009Slide4
PresentationNot sponsored by the Government
Not connected with the Government
Not endorsed by the Government
This is purely presented as a hobbyist.Slide5
The Mainframe Must Die!
Perceptions of the Mainframe
Words Hurt
Expensive
Huge
Dinosaur
zSeries
Servers
Enterprise
Scalable
VelociraptorSlide6
zSeries Server Vocabulary
LPAR
FICON and FCP
DASD
Cryptography Accelerator
z/VM
64bit Operation
IFL
BooksSlide7
LPARHypervisor
Virtualized Systems
Physically Unconnected
Hipersockets
60 LPARS
Memory Isolation
Variable WorkloadSlide8
FICON and FCP
Both
4-8G
1600
MBps
Fiber Connectivity
Multiple Concurrent
Additional CRC
Same Cables as FCP
Fiber Channel Protocol
Switched Fabric
SCSISlide9
DASDzLinux uses
Direct Access Storage Device
CKD Count Key Data
FBA Fixed Block Architecture
FCP
SAN
NAS
SCSISlide10
Cryptography AcceleratorOff-loads Cryptography Processing
128 bit AES
DES
SHA
Independent Random Number GeneratorSlide11
z/VMHypervisor
Monitoring
Tunable
Isolated Memory
HipersocketsSlide12
64bit Operation31 bits?
64 bits?Slide13
IFLIntegrated Facility for Linux
Tuned to Only Linux Processor Instructions
256 Theoretical guests.Slide14
BooksProcessors and Memory are in “Books”
Hot Swappable
Add Processors Hot
Add Memory HotSlide15
z/LinuxIs It Really Linux?
Distributions
Configurations
Strengths
Weaknesses
Well Suited For
Who uses it?
How Do I do it?Slide16
Is It Really Linux
Not Emulated
Complete Native Operating System
Formally Released 2000
Linas
Vepstas
Big-Foot, Think Blue
Open Source
Gartner Reports the Future of Government and Big Business
Makes IBM OSS friendlySlide17
DistributionsRed Hat RHEL6
Novell
SuSE
SLES 11
Debian
Gentoo
Slackware
CentOS
Fedora
EtcSlide18
Configurations
Just Like Real Linux
Multiple Network Interfaces
Logical Volume Management (Grow on the Fly!)
RPM, APT-GET, YUM, YAST and Source
LAMP
Oracle, DB2,
MySQL
PHP, Perl,
JBoss
, Java, Ruby (This list goes on)Slide19
Strengths
Costs (Most Important)
Enterprise Class
High Availability
Standard Development
High I/O
Industry Direction
Security
Support
UbiquitySlide20
WeaknessesProcessor Intensive
Package Availability
z/VM KnowledgeSlide21
Well Suited
LAMP Applications
CMS (Content Management System)
Wiki (
Mediawiki
,
Twiki
,
Swiki
…..)
Blogs (WordPress…..)
CMS (
Drupal
,
Openpublic
,
Joomla
,
OpenPublish
….)
Databases
MySQL
, Oracle, DB2,
Postgress
……
Email
Sendmail
, Postfix….
Security
Scanning (
Nessus
, Satan, Sara…
Firewall –
IPTables
So Many OthersSlide22
Who Uses z/Linux?CMS Center for
Medicade
/Medicare Services
NIH National Institutes of Health
SSA Social Security Administration
State Farm
Many othersSlide23
How Do I Do it?
There is plenty of help on the internet.
Detailed instructions may be found
http://www.turbohercules.com/projects/zlinux/
http://linuxvm.org/info/howtos/hercules.html
Support may be found at
http://www.turbohercules.com/services/
http://www.hercules-390.org/Slide24
Greening the Data CenterNo Additional Power
No Additional Cooling
No Additional Floor Space
Use Resources More EfficientlySlide25
Questions?