IntegratIng VIrtualIzed serVers wIth VMware vstorage–enabled

IntegratIng VIrtualIzed serVers wIth VMware vstorage–enabled
IntegratIng VIrtualIzed serVers wIth VMware vstorage–enabled
IntegratIng VIrtualIzed serVers wIth VMware vstorage–enabled
IntegratIng VIrtualIzed serVers wIth VMware vstorage–enabled
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Transcript of IntegratIng VIrtualIzed serVers wIth VMware vstorage–enabled

  • 1. VirtualizationIntegratIng VIrtualIzedserVers wIth VMwarevstorageenabled dellequallogIc iscsI sans By Eric SchottA comprehensive virtualization strategy encompassing Scott Davisvirtual servers and consolidated storage enablesunprecedented gains in overall data center efficiency andflexibility. VMware Infrastructure utilizes advanced inte-gration available in Dell EqualLogic PS Series InternetSCSI (iSCSI) storage area network (SAN) arrays to furtherenhance the virtualized IT infrastructure and help simplifythe management of complex data center environments. Virtualization has had a shape-shifting effect EnginEEring thE Virtualon IT infrastructures, enabling administratorsdata cEntEr oSto encapsulate live, running workloads in Virtualizing and consolidating physical server and storage virtual machines (VMs) and move them transparently resources into a cooperative pool of well-integrated across pooled resources without service interruption.resources that can be dynamically applied to virtual work- VM encapsulation and isolation enable organizationsloads are key capabilities of VMware Infrastructure, the to safely consolidate many workloads on a single company's premier platform and an example of a Virtual physical serverhelping to decrease the infrastruc-Data Center Operating System (VDC-OS). A VDC-OS can ture cost. The operational benefits of such virtualiza-help address the need for flexibility, speed, resiliency, andRelated Categories:tion capabilities include the ability to dynamically efficiency by transforming a data center into an elastic,Dell EqualLogic storage spread workloads across available hardware, avoidself-managing, self-healing, shared infrastructure. Storage forms of both planned and unplanned downtime, and Dell and VMware are further advancing these capa-Storage area network (SAN) nondisruptively expand resources on demand.bilities through a cooperative engineering initiativeUntil recently, integration of storage area networksdesigned to integrate Dell EqualLogic PS Series InternetVirtualization (SANs) and virtualization platforms was restricted toSCSI (iSCSI) SAN arrays and storage management tech-VMware basic storage protocols, limiting the coordination and nologies with VMware Infrastructure. Through this col-Visit DELL.COM/PowerSolutionsfor the complete category index. intelligent use of some advanced SAN features in the laboration, new services based on VMware vStorage virtualized environment. Consolidating servers in vir- application programming interfaces (APIs) are being tualized data centers introduced a new layer ofdeveloped by VMware to tightly integrate advanced abstraction that prevented administrators from fully EqualLogic PS Series capabilities (including provisioning, incorporating many preexisting processes from theirsnapshots, replication, and thin provisioning) seamlessly physical environments into their virtualized environ-into the VMware Infrastructure environment. ments. Lack of integration between the hypervisor and the underlying storage infrastructure has typically pre- adVancing EfficiEncy acroSS vented virtualized servers from taking full advantagethE VirtualizEd data cEntEr of the data protection, backup, and performance fea- VMware Infrastructure helps create a dramatically tures of enterprise-class storage. simplified, efficient computing model that enables52DELL POWER SOLUTIONS | March 2009Reprinted from Dell Power Solutions, March 2009. Copyright 2009 Dell Inc. All rights reserved.

2. applications to safely and securely utilize shared data center resources in a dynamicJava 2 SoftwarePlatform, and flexible manner (see Figure 1). By Microsoft as a Microsoft LinuxWindows Enterprise Desktop Application enabling automated management and.NETservice OSEdition(SaaS) OS (J2EE) resource allocation for VMs, it helps free administrators to focus on managing appli-Application Application management vServices Availability Security Scalability cation workloads instead of contending withVMware IT infrastructure detailshelping administra-vCenter VMware Infrastructure Server VMware VDC-OS tors to eliminate both planned and unplanned Infrastructure Infrastructure vComputevStorage vNetworkCloud downtime, rapidly provision new capacity, management vServices vServices and optimize resource utilization.The VMware VDC-OS platform contains a set of Infrastructure vServices, a hardwareOff-premiseOn-premise cloud cloud abstraction layer that enables efficient and flexible use of underlying physical com- pute, network, and storage resources.Figure 1. Forming the basis for a comprehensive virtualized environment with VMware Infrastructure Infrastructure vServices use industry- standard server, storage, and network com- rEmoVing barriErSVMware vStorage APIs to integrate these ponents to help create a unified and efficient with iScSi Sansenterprise-class SAN features with the shared platform. These services not only Virtualizing and consolidating storage isVMware Infrastructure platform. abstract the underlying hardware, but also a necessary first step toward realizing the aggregate this hardware into pools, whichfull benefits of a virtualized data center.undErStanding thE rolE can then be logically divided into virtual A virtualized SAN is pivotal for supportingof dEll Equallogic components and made available to applica-24/7 operations, enabling advanced PS SEriES arrayS tions in a dynamic fashion based on enter- enterprise-class functionality, and extend-A high degree of built-in intelligence and prise requirements and priorities. ing similar benefits of server consolidation automation help make Dell EqualLogicVMware vStorage services include aand virtualization to storage. PS Series iSCSI SANs well suited for the range of technologies designed for effi- All too often, storage consolidation demands of virtualized data centers. The cient usage of shared storage as well as has been a complex and expensive proj- innovative design of the arrays enables maximum performance. VMwares Virtualect requiring proprietary infrastructuressimple, full-featured deployment with no Machine File System (VMFS) is designed and specialty skills not typically avail-additional license fees or software to allow VMs to effectively share physical able within an IT organization. Today, required. Arrays can be added to the SAN storage with minimal impact on perfor- iSCSI SANs are helping administratorswithout service interruption, and the SAN mance or manageability. In this model, overcome these barriers to implement-is designed to automatically rebalance physical storage resources are virtualized ing a fully virtualized data center envi-the workload to accommodate additional and presented to VMs as ordinary dedi- ronment. However, many iSCSI SANsarrays. In many ways, EqualLogic PS cated disk devices. These disk devices are require expensive add-on functionality Series arrays are designed to provide for actually files stored on the VMFS volume,such as comprehensive data protectionstorage what VMware can provide for helping isolate administrators from storageand disaster recovery to make them suit- servers: consolidation, flexibility, and high provisioning tasks and management com- able for consolidated virtualized server availability. plexity. Optimization techniques such as deployments where data is highly As workload demands shift or thin provisioning and linked clone technol-concentrated.migrate between VMs and their physical ogy enable high consolidation of storage Simplified management is also critical host servers, the virtualized SAN can usage. Other vStorage capabilities provide as the virtualized infrastructure expands to automatically apply storage resources for enhanced integration with current stor-encompass a comprehensive range of datawhere and when they are needed with- age management tools, such as those forcenter hardware and networking capabili- out manual intervention or tuning. Peer backup and array replication. vStorage ties. Dell EqualLogic PS Series iSCSI SANdeployment typically enables IT staff to offers APIs that enable VMware and stor- arrays help overcome these challengesinstall, configure, and deploy EqualLogic age partners such as Dell to integrate and with a variety of built-in features that arrays in a matter of minutes. optimize their storage technologies with have been widely adopted in data centerEqualLogic arrays are also designed VMware technologies and capabilities.consolidation scenarios. Now, Dell is usingto provide the reliability and uptimeReprinted from Dell Power Solutions, March 2009. Copyright 2009 Dell Inc. All rights reserved. DELL.COM/PowerSolutions 53 3. Virtualizationrequired in virtualized data centers. Auto-Snapshot Manager/VMware Edition,at a safe distance from the primary dataDesigned to provide greater than 99.999 which is bundled with EqualLogic PS Series center. If the primary site goes down, thepercent data availability, the arrays are iSCSI SANs, provides automated, consoli- volumes are already at the recovery site,built with redundant, hot-swappable com-dated VM backup and recovery in VMware and vCenter SRM can automatically coor-ponents. Storage volumes can automati-environments. An easy-to-navigate graphi-dinate the process of bringing the environ-cally fail over to another disk if necessary. cal user interface offers SAN and VMware-ment online by running the recovery planThese features complement the high avail- centric views (see Figure 2). Auto-Snapshotand starting VMs in the intended order withability provided by server virtualization Manager/VMware Edition works withupdated networking configurations.and consolidation.VMware vCenter Server to take a snapshot Administrators can monitor and pauseFor data protection, the EqualLogic of the VM and then takes an EqualLogic recovery using VMware vCenter Server.firmware provides many standard featuresSAN snapshot, enabling rollback of VMsincluding snapshot, clone, and replication