1 Capacity planning for IBM Power Systems using LPAR2RRD
2 Agenda LPAR2RRD and STOR2RRD basic introduction Capacity Planning practical view CPU Capacity Planning LPAR2RRD Premium features Future STOR2RRD quick introduction
3 Basics of LPAR2RRD and STOR2RRD Free performance monitoring tool for IBM Power Systems and storages It is an OpenSource distributed under GPL v3 Both tools have the same philosophy: Get information you are looking for in 2-3 clicks! You can find utilization of any attached device in a simple graphical form understandable from technician to management level Minimal effort for tools management It can run on any Unix (Linux, AIX...) Both tools can run agent less It is intended as a front-end tool
4 Creates historical, future trends and nearly "realtime" CPU utilization graphs of LPAR's and shared CPU usage of IBM Power servers. Collects complete physical and logical configuration of all physical servers & LPAR's. It is agent less (getting all required data from management stations like the HMC/SDMC/FSM and IVM). It supports all kinds of logical partitions: AIX / AS400 / Linux / VIOS
5 Introduction of LPAR2RRD It graphically presents: CPU workload per partition CPU per CPU Pool/physical server Memory usage on physical server It natively supports following IBM technologies CPU sharing Live Partition Mobility Active Memory Sharing Active Memory Expansion Capacity on Demand
6 Introduction of LPAR2RRD It graphically presents: CPU workload per partition CPU per CPU Pool/physical server Memory usage on physical server It natively supports following IBM technologies CPU sharing Live Partition Mobility Active Memory Sharing Active Memory Expansion Capacity on Demand
7 What does it means? Does that save money? If so then how? Have you already have an IT capacity manager position and a tool at your company?
8 Why do we need capacity planning? To predict future bottlenecks To predict future HW purchase with proper sizing How to start? Need to have data Where to get data? Need to have performance monitoring in place What to monitor? CPU Memory Networking (LAN / SAN / WAN) Storage
9 Can be highly virtualized ( IBM PowerVM, VMware ) Virtualized means shared between virtual partitions Lack of CPU power or bad virtualization design often cause bottlenecks CPUs are quite expensive A lot of SW products has licensing per CPU Companies should care about number of CPU to not have to buy unnecessary SW licenses Accurate capacity planning can directly save money spent for HW and SW Often happens that servers are fully CPU equipped and cannot be extended Server upgrade and or LPAR migration can be long process All above reasons indicate that CPU is most important from capacity planning point of view
10 Usually is not virtualized like CPU There are exceptions like IBM PowerVM Active Memory Sharing VMware Consumption is not so dynamic as CPU i.e. database memory consumption is fixed by cfg Mem size has usually no effect on SW licensing Easily extendable Nowadays physical limits of memory on servers are usually high enough Extend can be planned in days after a problem appears
11 Bottleneck on the LAN / SAN is very rare usually only backups are able regularly highly utilize LAN/SAN apart of some configuration mistakes or cluster interconnect When a problem appears then it is usually caused by bad infrastructure design Fix is usually fast and relatively cheep new IO cards, network component, trunk From capacity planning view it is not major area Network usually don t cause a bottleneck!
12 From capacity planning point of view Storage capacity (size) Storage throughput (IOPs, Bytes/sec) Storage capacity Can be relatively simple retrieved and approximated to the future When is no special requirement for throughput then new capacity is relatively cheep Disk upgrade is usually quick operation Storage throughput Storage throughput is often reason of bottlenecks Storage IO bottleneck is usually though to prove or predict
13 Next part of presentation will be focused on CPU capacity planning on IBM Power Systems platform However the product is able to monitor VMware on Intel as well
14 The problem: How to manage the CPU pools and sub pools on IBM Power Systems Document actual setup Knowledge of free resources Determine CPU usage trends Report consumption of resources per LPAR Identify abnormal CPU usage Manage Capacity Compare CPU load on different server models for migration purposes
15 Light weight solution Real time and historical data Easy to implement and manage Cost effective (free)
16 LPAR2RRD monitoring server LAN HMC console private HMC network S HMC managed servers S824 Blade PS702 IVM manged servers
17 You can see, current trends in CPU consumption based on historical data from last month to 1 year More examples on: Or on demo.lpar2rrd.com
18 It makes you CPU estimation based on your historical data Useful for migration / consolidation Estimation based on rperf (AIX) or CPW (ios) IBM benchmark Appropriate SMT level could be selected
19 Just select current physical servers or LPARs considered for migration Chose if you will consolidate on existing server or plan for new one And generate report, to see, if you fit in desired box You can very easily create many different scenarios to chose the right solution for you
20 Consolidation on existing server In this example we try to fit LPAR from one existing server to another existing server Run CWE, in left section select LPAR, target server is existing and select destination pool Then press Generate Report button
21 As you can see, this LPAR (blue part of graph) will fit to current workload (red part of graph) on this particular server
22 Server replacement In this example we try to fit workload from one existing physical server to brand new physical server Run CWE, in left section select complete physical server, target server is new and select required model Then press Generate Report button
23 As you can see, this physical server will fit to this new server Black lines in graph represents different SMT values All LPARs in this example runs at SMT4 which is represented by 2 nd line from top In this case we have approximately 20rPerf of spare capacity
24 Server replacement and consolidation In this example we try to fit workload from all existing physical servers to one brand new physical server Run CWE, in left section select all complete physical servers, target server is new and select required model Then press Generate Report button
25 As you can see, this workload will fit to this new server Black lines in graph represents different SMT values All LPARs in this example runs at SMT4 which is represented by 2 nd line from top In this case we have approximately 65rPerf of spare capacity
26 Automated capacity planning and performance analysis Provides the information needed to help: productively and cost effectively manage their growth and performance Ensure uninterrupted availability of system The customer be prepared for IT challenges / opportunities Maximize return on current and future hardware investments with more effective utilization Easily understand current workload and plan for future requirements
27 Business model of LPAR2RRD tool Product is free Support is for fee Support levels Standard Premium Some features are available only for customers under support
28 Business model of LPAR2RRD tool Product is free Support is for fee Support levels Standard Premium Some features are available only for customers under support
29 Support for LPAR2RRD You might optionally order support and you get: Standard at least: priority in bug fixing, installation support, etc Premium at least: defined SLA s (1 working day for critical issues) new functionality implementation as per request report customizations prolong data retention time (received data is stored for 60days then its being averaged) with support you get additional functionality CPU Workload Estimator based on rperf and CPW benchmarks Live Partition Mobility support Custom Groups (unlimited number of LPARs in a group)
30 All can be setup within 1 hour! LPAR2RRD can run on any Unix OS Disk space requirements are about 4MB per monitored LPAR Required SW Any web server SSH RRDTools Perl
31 Introduction of STOR2RRD Free performance monitoring tool for storages with following features: Create storage utilization graphs for monitored storages Create historical and nearly on-line utilization graphs It graphically presents: IO rate, data throughput, response times front-end and back-end data Ports, Pools, Arrays, Ranks, Mdisks, Volumes, Drives Host aggregated graphs
32 Introduction of STOR2RRD It comes with the same philosophy as its sister product LPAR2RRD: Get information you are looking for in 2-3 clicks! You can find utilization of any attached storage in a simple graphical form understandable from technician to management level Minimized tool management It can run on any Unix (Linux, AIX...)
33 Introduction of STOR2RRD Following storages are supported (as of Aug 2015) IBM System Storage DS8000 series IBM System Storage DS6800 series IBM Storwize family IBM SAN Volume Controller (SVC) IBM XIV IBM DS3000, DS4000 and DS5000 IBM DCS3700 NetApp E-Series Brocade SAN switches
34 Introduction of STOR2RRD Metrics IO rate [IO per sec] data throughput [MB/sec] response times [ms] cache hits and usage PPRC (DS8000), IP replication (Storwize/SVC) Pool capacity usage [GB] CPU utilization, compression usage (Storwize/SVC) All read/write (in/out) separately Storage front-end and back-end stats
35 STOR2RRD Monitored logical and physical components Port (FC, SAS, PCIe, FCoE, iscsi, IP replication) Pool and Array RANK and Mdisk Volume (LUN) Drive (Storwize and SVC) Hosts feature matrix: /support_matrix.htm
36 STOR2RRD - Forecasted enhancements Support of further storages EMC, Hitachi and NetApp midrange storages have priority Features for capacity tracking and planning Integration with LPAR2RRD Automated documentation of monitored storages Alerting for: Alerting feature going to be released in the mid of Q3 2015
37 STOR2RRD - example
38 STOR2RRD - example
39 LPAR2RRD home page Demo site STOR2RRD home page Demo site
Agenda Capacity Planning practical view CPU Capacity Planning LPAR2RRD LPAR2RRD Premium features Future Discussion What is that? Does that save money? If so then how? Have you already have an IT capacity
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