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MGB 2003 Kent Riis Rasmussen

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1 MGB 2003 Kent Riis Rasmussen
4/7/2017 1:23 AM Server Konsolidering Kent Riis Rasmussen

2 Customers top Windows issues
Source: Gartner Research (December 2002)

3 Hva er konsolidering Fordelene kommer av: Standardisering
Bedre utnyttelse av ressurser (Servere) Utnyttelse av plass Bedre kontroll av IT ressurser Bedre sikkerhet Improved business integration from information sharing

4 Ikke bare HW Redusere antall Desktop OS Redusere antall Server OS
Redusere antall applikasjoner Redusere antall DB Redusere antall Domener

5 Hva driver en konsolidering
For mange OS > 5 For mange servere – typisk Administrasjon Software distribusjon Time to market for nye app. Uoversiktlige software lisenser  Slutt på support – NT 4.0, eller annet

6 Forretningsproblem You start losing track of servers
Easily done if you have dozens or hundreds dispersed over several locations. The flip side of this is knowing where a server is but not knowing what it does. You don't have enough administrators Someone has to look after all those servers. The more you have the more likely you are to run short of skilled people to maintain them.

7 Forretningsproblem You are running more than five operating systems
The rule of thumb is that one person can know two operating systems reasonably well. Any more than that and you face a dilution of expertise. Once you get up to five you are seriously stretched and vulnerable. You have difficulty controlling software licenses Complex, dispersed environments = a tangle of software licenses. If you fail to comply, or forget to buy them in the first place, you could face prosecution.

8 Forretningsproblem You think it's cheaper to buy new servers than to do capacity planning A classic warning sign. It's nearly always cheaper to plan properly than to buy new kit as a knee-jerk reaction to increased demand. If you think otherwise, you probably need to consider consolidation. Your utilization rates for more than half your servers are in single digits Most of your servers are idle for 90 per cent of the time, but you are paying to administer and maintain them 100 per cent of the time.

9 Hvorfor konsolidere på Microsoft
MGB 2003 4/7/2017 1:23 AM Hvorfor konsolidere på Microsoft Do more with less Økonomi 20% til 30% reduksjon av servere vs NT 4 30% reduction in overall costs  vs NT 4 Pålitelighet Network Load Balancing Failower Cluster application reliability features Economy: Using Windows Server 2003 to consolidate servers can result in 30% cost reductions in management of an enterprise IT infrastructure. Compared to Windows NT Server 4.0, Windows Server 2003 reduces deployment costs by 50 percent and offers 50 percent less unplanned downtime. Reliability: Windows Server 2003 is enhanced to promote maximum reliability and around-the-clock availability with features allowing proactive management processes to prevent server downtime. It has failover services and clustering technologies that help maximize uptime and combine to insulate an IT infrastructure from application and service failures. Click to learn more about

10 Hvorfor konsolidere på Microsoft
Do more with less Skalerbarhet significantly better performance across all major workloads Online Transaction Processing - ranked #1 Decision Suppor - ranked #1 E-Business workload TPC-W - ranked #1 information on benchmark results

11 Typer konsolidering Logisk Geografisk Homogeneous Heterogeneous
Forward Backward

12 Typer konsolidering Homogen konsolidering Hetrogen konsolidering
Kombinere en applikasjon som eksisterer på flere servere til en server Exchange, fil, print Hetrogen konsolidering Kombinere flere forskjellige applikasjoner fra flere servere til en server Exchange, SQL & SAP fra tre servere til en. Hetrogen konsolidering er ikke alltid mulig / gjennomførbart

13 Server Consolidation Scenarios
MGB 2003 Interoperability 4/7/2017 1:23 AM Server Consolidation Scenarios Unix/Netware migration Interop at every level Improve Management Reduce Servers File Server Database Operational Excellence & Management Backward Consolidation Forward Consolidation

14 Konsoliderings Scenarios
MGB 2003 Konsoliderings Scenarios 4/7/2017 1:23 AM Scenario Business Challenge Windows Advantage Database Too many servers running at low capacity. Multiple databases, Single Server Utility-Hosting Messaging Messaging server farms growing to ensure scale 5000 concurrent users on a single Exchange server File & Print Sprawl of servers without consistent management Clustered File Server Instances Utility-Hosting Domain NT 4.0 Domains Number in the hundreds Windows Active Directory Scalability Web Application Application Servers at low capacity IIS Net App-domains Utility-Hosting

15 Single Workload Consolidation
MGB 2003 4/7/2017 1:23 AM Single Workload Consolidation Exchange messaging Exchange 2000 gir nye muligheter for serverkonsolidering, flere brukere pr server 300% Exchange 2003 gir større muligheter for site konsolidering med mer effektiv transport NT 4 Domain konsolidering NT 4 Domains er lite flesible bl.a administrasjon PDC / BDC problematikk Windows server 2000 & 2003 er langt enklere å administrere, skalerer bedre og er mer WAN effektive. About 70% of the server consolidation projects Microsoft does today are on single – homogenous workloads. Microsoft has proven best practices, packaged services, and customer success stories from single workload homogeneous server consolidation with Windows Server 2003 and Windows 2000 family products. File and print servers are one of the most common areas for server sprawl. W2K is 135% faster than NT. Windows Server 2003 is 100% faster than W2K, according to Net Bench. Databases as back ends for applications have multiplied quickly for many companies and so have database consolidations. Business unit autonomy and the need to quickly deploy new applications have been primary drivers. An example is a global financial services company that consolidated all of their Sybase, Oracle and SQL databases onto SQL The consolidation reduced their operating costs $6.4 million per year with reduced management costs and improved efficiencies. Two limiting factors of Exchange 5.5 was the low users per server ratio, and server backup time. Exchange 2000 provides the messaging consolidation to offload storage and run multiple databases. This capability enables 3 times the number of users to be consolidated on a box. Microsoft’s internal IT group consolidated from 1000 users on an Exchange 5.5 box to 3750 users on an Exchange 2000 box. Compaq did the same thing (prior to the merger with HP), and cut $1.4 Million from their annual operating budget. NT4 domain structure was inflexible and resulted in the deployment of many domains per business unit or Group policy. Every time a customer needed a different security policy or had an additional group defined – they would establish another domain controller. Companies are aggressively consolidating domains into Active Directory.GE Medical implemented Active Directory on Windows Server 2003 and reduced autonomous domains from 70 to 4.

16 Multiple Workload Consolidation
WEB servere (sprawl) En applikasjon pr server har vært vanlig Applikasjons isolasjon har i liten grad vært mulig Gir liten utnyttelsesgrad på servere IIS 6.0 gir helt nye muligheter for konsolidering Applikasjonsservere Isolasjon av foretningsenheter. Rask utrulling av nye applikasjoner.

17 Multiple Workload Consolidation
For å kombinere homogen workload til hetrogen workload på en server Workload managemet tools Available scaleable HW Disaster recovery plan

18 Windows Tekonologi Feature: NT4 WS2000 WS2003
Workload Management                           x**           xx* Virtualization (Virtual Server)                 x              xx  Hardware Partitioning                             x              x  Load Balancing & Failover                     x              xx Server Clustering                       x           xx             xxx  IIS 6.0 process isolation                          x  Side-by-side DLLs                                                   x Point in time copies                                                 x  SAN support                                            x             x * Included in Windows Server 2003 Enterprise & Datacenter Editions only ** Third party product from Aurema  

19 Windows Server 2003 Hetrogen / Single Workload
Fil Pint Domain Homogen / Multiple workload enablers: WSRM (Windows System Resource Manager) Windows Virtual Server Load Balancing & Failover Cluster IIS 6.0 Side By Side DLL’s

20 Homogen Workload enablers
File Server Raskere NFS & CIFS fil tjenester Bedre SAN support Bedre rammeverk for HW levrandører for HBA (Host bus adapters) drivere. 2x raskere check disk Volume Shadow Copy Services (VSS)

21 Homogen Workload enablers
Print Servers 100% flere printkøer Blokking av kernel mode driver Administrasjon via WMI – scripting Bedre støtte for print clusters

22 Homogen Workload enablers
Domain Servers Skalerbarhet (100 mill objekter testet) Nye Group Policy Objects (reduserer behov for Domain Admins) Enklere Forest administrasjon Enklere konsolidering av Domener Management AD site struktur og SMS for software distribusjon MOM for proaktiv overvåking

23 Hetrogen /Multiple Workloads
MGB 2003 Hetrogen /Multiple Workloads 4/7/2017 1:23 AM Verktøy Hardware partitioning (HP, IBM, Unisys) Virtualization (Virtual Server) Resource Management (WSRM) Best til Very high-throughput applications Complete isolation of applications Low-throughput applications Legacy applications Medium-high throughput applications Manages resource usage Key point: There are three key technologies that help companies consolidate heterogeneous workloads: Hardware partitioning, workload management and virtual machines. Let’s take a moment and spend some more time on each of these technologies. What is in it for the customer: Customers can choose the most appropriate application consolidation tools to meet their business requirements. Script: Hardware Partitioning Hardware partitioning is where a server is physically partitioned into to 4 processor increments, each partition runs its own instance of the operating system, The following OEM’s provide 4 processor partitioning on there 64 proc, 32proc and 16 proc Intel based Servers, HP, IBM, and Unisys. Hardware Partitioning is best for very high throughput applications that require complete isolation at an Operating system and hardware level. The limitation is that you have to reboot the server to change the size of the partition and it has to be done in 4 processor increments. So unless you have a failover server, this will result in an interruption of service. Additionally, you will have to plan for peak workloads, which means less than optimal server use. Resource Management Resource management enables the allocation of resources, including processor and memory resources, among multiple applications based on business priorities on a single server. This is ideal for medium to high throughput applications, where you are hosting multiple workloads and you want to prioritize use of resources. Windows System Resource Manager allows an administrator to set targets for the amount of hardware resource that running processes or users (typically in a Terminal Server environment) are allowed to consume. When running multiple applications on a single server, WSRM can be used to assign some part of the computer's resources to each application. This allocates each processes access to system resources and reduces the ability of applications to interfere with each other, allowing multiple applications to better coexist on the same system. The limitation is that all applications must run on the same operating system version. Additionally, the application is not completely isolated in its own operating system or hardware. This can be a single point of failure for multiple applications. Virtualization Virtualization is a software technology that allows multiple operating systems to run on the same processor at the same time. This capability allows IT organizations to migrate and consolidate applications from legacy operating systems to current hardware and software platforms, thus ensuring standardization and supportability. Additional applications include the quick creation of new configurations for testing, training, demonstrations, etc. Virtualization enables savings on hardware, environmental costs, management, and administration of the server infrastructure. Microsoft Virtual Server ensures users of high supportability, broad hardware support, high performance, and manageability. Best For Virtualization technology primarily addresses two business needs: The need to support legacy applications: legacy applications require older, often obsolete operating systems. Procuring and maintaining hardware that supports obsolete operating systems is problematic. Also, when support for the operating system is finally withdrawn and no new fixes are produced, organizations face costly choices on how they will address security issues if any emerge. Upgrading or re-writing applications for a current version of the OS may not be economical, or the resources needed to do so may be occupied with higher-priority projects. The need to consolidate legacy applications: many business applications run on under-used servers. IT organizations want to improve performance and optimize hardware, space, and power by consolidating these applications onto fewer more powerful servers. The problem is that, frequently, these applications were not written to co-exist on the same server. Applications may require different versions of the operating system and of the database and other middleware. Applications may consume all of a certain hardware or software resource on the system, thus preventing other applications from performing acceptably. Sometimes the same situation occurs due to so-called “memory leaks” (due to poor programming) and a reboot will eventually be needed to free up the memory. IT organizations want to avoid the cost and time involved in re-writing applications so they can be consolidated. Each Virtual machine is limited to a single processor, hence we recommend this solution for lower through-put applications. Limit The application management overhead is centralized, however still requires management by application and the required skills and knowledge of each application, hence application management can be more complex. Running multiple virtual machines (VMs) on a single server, has a performance tax, depending on the number of VMs hosted. Begrensning Re-sizing partitions requires a reboot Capacity in 4-proc increments More complex management Performance “tax” All applications must run on same OS level OS/HW single point of failure

24 Customer scenarios Departmental/branch server consolidation
MGB 2003 4/7/2017 1:23 AM Customer scenarios NT4 application migration Departmental/branch server consolidation Test/development & training lab automation

25 Server consolidation strategy
MGB 2003 4/7/2017 1:23 AM If you can… Server consolidation strategy …if you can’t

26 Server consolidation strategy
MGB 2003 4/7/2017 1:23 AM Server consolidation strategy Server role Consolidation strategy Consolidation scenario Database Windows Server 2003 and SQL Server 2000 Enterprise customer consolidates enterprise databases on ES7000 running test and production WS03/SQL partitions Windows Server 2000 and Exchange 2000 Medium-sized business consolidates servers via Exchange on scalability cluster Web Windows Server 2003 and IIS 6.0 Hosting service provider consolidates legacy web applications on IIS6 blade farm File/print Windows Server 2003 Small-sized business consolidates on single file/print server WS03 using NAS Enterprise applications Windows Server 2003 and WSRM Medium-sized customer consolidates entire ERP application suite onto clustered 8-way systems running WS03 and WSRM Departmental/ legacy apps Windows Server 2003 and Virtual Server Enterprise customer migrates multiple NT4 applications on 1,000 stand-alone servers onto 50 4-way servers running VS If you can… …if you can’t

27 Hetrogen WEB Server Enablers
IIS 6.0 Prosess isjolasjon i ”application pool’s” Komuniserer direkte med OS kjerne Selvreparerende, sjekker status periodisk Automatisk omstart innen application pool. Bedre ytelse – 100% - 165% fault-tolerant process architecture kernel-mode caching

28 Hetrogen Application Cluster
Integrert cluster støtte Remote administrasjon Oppsett av cluster noder uten reboot Støtte for opp til 8 noder Et 8 noders 64 bits cluster kan ha: 512 prosessorer,

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