eranea's solution and technology for mainframe migration / transformation : detailled...

www.eranea.com

Migration mainframe x86 servers

automated transformation toward Web, Java, Linux

[email : [email protected]]

http://www.eranea.com/

2 / 82www.eranea.com

agenda

● starting point● goals of migration● Eranea's proposition● methodology & technology● project steps● benefits / conclusions● complements :

– screenshots NeaControlCenter (NCC)– situation / market 2014



starting point● a (very) large mission-critical application for the customer

● embedding his entire business expertise and driving key operational processes

● bullet-proof after 10 / 20+ years of continuous activity

● representing massive investments (10s, 100s, 1'000s men-years of development)

● doomed to technological obsolescence● highly expensive compared to 2014 standard systems (x86)



goals ● tactical :

– massive cost savings → 80-90 % (capex + opex of M/F initial TCO)

● strategic :– technological transformation : web, java, linux, etc.– back to standards → alternative suppliers rather than monopoly, leverage on innovative « boiling» of x86 world

– functional improvements : ● rich and flexible UI + new uses (mobile, etc.)● web services for SOA, BPM : batch & transactional● (private) cloud computing

– adequation with 2014 competences : z/OS + Cobol getting (very) seldom → java, web and linux highly abundant



business case / ROI example

10%

20%

30%

40%50%60%

70%

80%

90%100%

cpu

peripherals(disks, tape drives, printers, etc.)

3rd party software

system software(z/OS, Cics, DB2, etc..)

factor 10

4.25 MEuros / year

identical savings on numerous projects :minimum 80% and up to 90% !

project : media group (CH)

400 kEuros / yearvia

x86, Linux, Java(→ > 3.8 MEuros / year savings !)



Eranea's proposition

● reduce IT costs while guaranteeing :– investment protection : application software and human business expertise

– deep technological transformation● via a unique migration path :

– allowing continued maintenance (no stop) during project execution

– fluid, incremental and secure progress : no big-bang (iso-functionnality, very small granularity)

– industrial and repeatable process (100% automated application transformation)

● with advanced and complete tooling for project execution and subsequent operations on new x86 system :– NeaControlCenter + associated components



methodology



strict iso-functionality

● definition = – produce exact same results "to the last bit and pixel"

● some examples : – computation with 31 significant digits in Java (> precision of BigDecimal java library)

– Cobol semantics fully preserved for variables, groups with LEVEL, REDEFINES, management of POINTERs, implicit initialization according to PIC, etc.

– full EBCDIC support on Linux for sorting (« collating sequence »), for Cobol programming [ ex : IF A > B ; A and B → PIC X(N)]

● some advantages : – transparency for end-users, « invisible » migration for client systems, continued coherency in numbers on long-term historical reports, automated and quantified tests, etc.



system transformation

bms3270 customUI

db2 vsam sequentialfiles

cics / ims other TPmonitor

cobol jcl utilities(sort,...)

batch scheduler

html/js (GWT)

relationaldata

(db2, oracle)

appl & transact services

java AS (JBoss, tomcat, etc.)

java xcl utilities(sort,...)

batch scheduler

standards

speed

security

sequentialfiles

browser

new application platform = Java 100%→ OS-agnostic

xms



incremental migration (1)

DB2

TP / batch

z/OS

DB2 / ORCL

TP / batch

Linux

DB2

TP / batch

z/OS

TP / batch

Linux

time

migration :users & jobs

N monthsDB migration

mainframe stop

x86 setup install transco + NCC

initial tests

maintenance in Cobol

maintenance in Java

unique DBat all time

start end




part 1

part 2

part 3

part N

part1 1

part 2

part 3

part N

tests rollout

« cascading » migration

... ...

start end




part 1

part 2

part 3

part N

part 1

part 2

part 3

part N

tests + rollout

overlapping and combined migration

...

start end

recommandation

● reduced duration● early hands-on● rapid feedback● fast savings



multi-level transformation

ImportSources

Transcode ImportJava

CreateProjects

CompileJava

Packagewar

Deployn targets

automated controlled

tests

automated

PROD

INTEG

DEV

full transformation process ateach level = guaranteed QA



technology



technological core

“Cobol” support

SQL support

CICS Emulation

Display support

Tracing / logging

InternalObject

implementation

JavaProgram

(incl SQL)

XMLScreen

DBMS

LexicalAnalysis

Syntax Analysis

Semantics Analysis

NeaTranscoder

NeaRuntime

SOA/ BPM

Online

Batch

2 distinctive features : 100% automation + strict iso-fonctionnality

remainsafter

project

XCL

Code Generation

Cobolcopy

Cobolpgm

BMSdesc

JCL

disappearsafter

project

wsfront-end

(soap, rest)



NeaRuntime (incl. NeaWebTerm)

● runtime framework– 100 % Java

● its services :– advanced class loading (bytecode optimization, old version boycott, etc.)

– substitute / emulation of APIs (CICS / IMS API, batch, SQL API, BMS → xms, etc.)

– Cobol iso-functionnality– optimized management of JVM resources (sql connections, tcp/ip client sessions, pools for memory structures, gc minimization, etc.)

– etc.



incremental migration

Yweeks

DRDA

time

activity

Cobolon mainframe

Javaon x86

100%

Xmonths

(X defined by customer)

• 100% of data on z/OS• Cobol remains reference

Java=

reference

dat

a m

igra

tio

nto

lin

ux

db

ms

stopmainframe

CICS DB2

progressivemigration

big bang avoidance → critical success factor

instantaneousway-back

0%

tomcat

costreduction (if MLC)!

JDBC


http://images.google.com/imgres?imgurl=http://www.ibm.com/il/offers/pc/images/xseries-205.jpg&imgrefurl=http://www.ibm.com/il/offers/pc/&h=204&w=150&sz=5&tbnid=L9r9PXZFrFcJ:&tbnh=97&tbnw=72&start=2&prev=/images%3Fq%3Dxseries%26hl%3Den%26lr%3D%26ie%3DUTF-8

http://jakarta.apache.org/tomcat


architecture (1)

production BATCH

sourcesrepository

DB ERIT

NeaControlCenter(+ standard console)

migration factory

CIengine

application code

DB2

production TP

analyze,transcode,compile,package

run

tools installed on-site→ “continuous migration”

multi-layer processing cluster :(unification, distribution, processing)

JDBC /DRDA

feedback(jmx, snmp)

private cloud (CloudStack,OpenStack,etc.)

« engineered x86 system » : Cisco UCS, IBM Flex, Oracle Exa, EMC VCE, HP CloudSystem, etc.

deploy(war, zip)

synchronousdata

mirroring(real time)

backupdatacenter

RACF /TopSecret

LDAP



architecture (2)

DB2

scheduleragent

DFSserver

mailserver

HFS

docsserver

printserver

SAN

accèsDB

shared filesaccess

common servicesaccess

storageaccess

logical conditionsmanagement

+ job launching

remotesynchronous

mirroring

backupSAN

z/OS scheduler (ex : TWS, Control/MAutosys, CA7,etc.)

Architecture / structure : ● scheduling logic and organization

fully preserved ● dynamic (optimized) worker

sheduling via agents

● centralized supervision / reporting on NeaControlCenter

● file sharing with z/OS (via HFS) as needed

● ad hoc (= out of plan) job launching via NeaControlCenter

scheduleragent

scheduleragent

scheduleragent



architecture (3)● high availability :

– multiple stages , redundant instances● stringent security :

– inter-entity isolation● top performances :

– Intel Xeon : last generation extremely powerful!– flash arrays for million IOPs

● total manageability : thousands of JMX or SNMP probes / samplers for all kinds of values / actions



tests (1) - transactional

Tomcat

CICS DB2

XMLscreen / kb

data

3270

XMLscreen /kb

data

HTML

XMLscreen / kb

data

bug fix :runtime / application

(1)

(2)

(3)

(4) if (1) & (3) different

DRDA to DB2(via JDBC)

capturereplay

(batch or TP)

code coveragemeasurementsto quantify tests

exhaustivity

100s / 1'000scaptures

JAVA

example: 35'000 screensto cover 10M lines

at 90% level

application programssometimes still have

bugs ...

XMLmodifieddb lines

triggers


http://images.google.com/imgres?imgurl=http://prescolaire.grandmonde.com/clipart/images/activites/robot_nb.gif&imgrefurl=http://prescolaire.grandmonde.com/clipart/activites/informatique.htm&h=687&w=600&sz=18&tbnid=iwmRrbuPohoJ:&tbnh=136&tbnw=119&start=2&prev=/images%3Fq%3Drobot%2Bclipart%26hl%3Den%26lr%3D%26c2coff%3D1

http://images.google.com/imgres?imgurl=http://www.clipartreview.com/_gallery/_TN/2918260.gif&imgrefurl=http://www.clipartreview.com/_gallery/_search_term_pages/video.html&h=111&w=135&sz=4&tbnid=Qt2WoZiT7Z8J:&tbnh=71&tbnw=86&start=9&prev=/images%3Fq%3Dvcr%2Bclipart%26hl%3Den%26lr%3D%26c2coff%3D1

http://jakarta.apache.org/tomcat

http://images.google.com/imgres?imgurl=http://www.ibm.com/il/offers/pc/images/xseries-205.jpg&imgrefurl=http://www.ibm.com/il/offers/pc/&h=204&w=150&sz=5&tbnid=L9r9PXZFrFcJ:&tbnh=97&tbnw=72&start=2&prev=/images%3Fq%3Dxseries%26hl%3Den%26lr%3D%26ie%3DUTF-8


tests – cross-ref captures <> pgms



tests – coverage <> business entities



tests – capture <> replay



NeaControlCenter (1)

● inventory tool for application assets – analysis of cross-references– full-text search engine

● console to define and monitor tests :– organization of capture / replay campaigns– automated validation of iso-functionality (screens / DB / files identical)

– supervision of code coverage progress for application software



NeaControlCenter (2)

● monitoring / management console for transcoding factory :– status and progress for transcoding / compilations / packaging

– status and progress for tests and rollouts● monitoring / management console for opérations

– exhaustive monitoring for transactional processing (sessions, TD, TS, SQL, MQ, ...)

– launch + monitoring for status / progress of batch jobs

● 200+ screens and functions



dashboard – transcoding N



rollouts – TP instances



monitoring – user session



monitoring - batch job details



editor / viewer EBCDIC (ASCII)



project : standard steps

initialpresentation(s)

technicalworkshop(s)

in-depthanalysis

Proofof Concept

proposal/ contract

solution/ installation

part 1/ part N

client OK

globalvalidation

detailedconcept

+ business case / ROI

N transactions +batch jobs

fully runningby customer



conclusion● x86 systems are simultaneously very strong (availability, performances) and most economically efficient in 2014 to support any large-scale mission-critical application

● Eranea proposes an extremely efficient and risk-free transformation solution :– massive costs savings (allowing project auto-financing)– deep technological transformation– based on unique migration methodology

● 2 keys for success :– savings and transformation (application + infrastructure) done in a single shot (<> pure « rehosting » like type Cobol-IT, MicroFocus limited to savings only without stategic benefits -> dead-end ?)

– fluid and progressive migration → total absence of risks● no disturbance / productivity loss for end-users● rapid adaptation + adherence for developers



Thanks !

● questions ?

[email protected]

Eranea | Lausanne (Switzerland)



complements



neaControlCenterscreenshots



neaControlCentermonitoring : trancoding - rollout



dashboard - tasks



dashboard – transcodings



dashboard – transcoding N



dashboard – CICS API inventory



dashboard – SQL inventory



inventory - request



inventory – dependencies (1)



inventory – dependencies (2)



inventory – file display



dashboard - rollouts



dashboard – rollout status



dashboard – « hot » rollout



rollouts – TP instances



neaControlCentertests : captures <> replays

(examples for TP)



tests – cross-ref captures <> pgms



tests – coverage <> business org



tests – request on captures



tests – visualization of capture



tests – monitoring captures replay



tests – capture <> replay (1)



tests – capture <> replay (2)



neaControlCenterproduction : batch



batch monitoring - overall



batch monitoring – details (1)



batch monitoring – details (2)



batch – submission (out of scheduler)



xcl editor



neaControlCenterproduction : transactional processing



server monitoring - overall



JVMs monitoring - overall



db / messaging - status



db / messaging – connection details



monitoring - programs



monitoring sessions - overall



monitoring – user session details



queue monitoring (TD) - overall



queue monitoring (TD) - details



queue monitoring (TS) - overall



queue monitoring (TS) - details



market 2014



market trends : why x86Source : Phreshing

performances / functions / availability : x86 has come to par with RISC ! (at least...)

since 2004, x86 > RISC & mainframe

2 new generations since then...

Source : Intel



market trends : h/w → x86● x86 is becoming standard

● sold per year:

– 4'000 mainframes

– 220'000 Risc servers : x 50

– 9'950'000 x86 servers : x 2'000● performances I/Os & CPUs :

– x86 = Risc = M/F (→ Moore's Law...)

– when architecture / setup is appropriate

– much more cost efficient ! ● where innovation happens :

– heavy R&D :● Open Compute Project by Facebook

– in-memory Dbs, flash arrays, ...

– green IT

– etc.

Windows = lotsof

office automationservers

source : Intel



market trends : s/w → linux

worldwide server market(roll-outs, subscriptions, shipments)

Windows = lotsof

office automationservers

● linux (on x86) is growing fast

● proprietary systems disappear

● linux references (finance): London Stock Exchange, NYSE, Euronext, etc.

● for the “3S” : Speed, Stability, Security

● cost ≈ free

– based on OSS

– compared to z/OS

NB : Eranea's solution is OS-agnostic and works on any platformsupporting Java : Solaris, AIX, MS-Windows, z/OS, zLinux, etc.


eranea's solution and technology for mainframe migration / transformation : detailled...

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