What is Flexpod Flexpod is a reference architecture for
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- 1.What is Flexpod?Flexpod is a reference architecture for server, storage and networking components that are pretested and validated to work together as an integrated infrastructure stack that is flexible and scalable What is it comprised of?Flexpod consist of Vmware (Hypervisor), Cisco (Networking & Compute) and NetApp (Storage). The infrastructure is then built based on Cisco Validated Design (CVD) - www.cisco.com/go/flexpod Types of Flexpod:Datacenter – Suited to enterprise Private Cloud as well as Software-Defined Data Center, secure multi-tenancy, databases, VDI and scale out storageSelect – Suited to dedicated high-performance workloads such as Hadoop and Oracle RACExpress – Suited to small and medium-sized businesses to deliver a single, convenient, converged infrastructure platform.
- 2.Benefits of Flexpod Infrastructure Unified System Simplified Setup Increased Control Support for multiple protocols (NFS/iSCSI/FC/FCoE) on converged fabric Single point for Management Higher Productivity Abstraction of bare metal server elements Policy-based automation & Service Profiles Fewer errors (configuration drift) Highly Efficient Increased Workload agility Self Integrating components Higher reliability with no single point of failure Simplified setup Higher asset utilisation Higher application performance Scalable More workloads with less gear Scalability without complexity Each individual component can be scaled in isolation Multi-Tenant Network segregation for multi-tenant hosting Isolation of resources into virtual data centers
- 3.Converged Infrastructure Converged infrastructure came about due to the complexities of multiple vendor products being put together which added IT complexity and administration headaches Converged Infrastructure combines networking, compute and storage resources into one architectural package CI increases manageability, decrease time to deployment, cuts storage costs and reduced power consumption. Flexpod is just one flavour of converged infrastructure. Others include VCE Vblock, IBM VersaStack, Nimble SmartStack and Hitachi UCP The next generation of Converged Infrastructure is Hyper-Converged Infrastructure which brings the storage closer to the compute layer for faster performance from local storage
- 4.What is a Metrocluster? A MetroCluster configuration consists of two NetApp FAS controllers, each residing in the same datacenter or two different physical locations, clustered together. A Stretched MetroCluster has a range of 500m, a Fabric MetroCluster can stretch up to 100km. Both run on Fibre Channel only. Instead of replicating writes from one site to another at the volume level MetroCluster replicates at the aggregrate level. SyncMirror is used to ensure mirroring using plexes to mirror the aggregrate MetroCluster allows for synchronous writes on both sites and only once the write request is written on both side can it be committed
- 5.MetroCluster benefits: Metrocluster can handle a number of failure scenarios as it has no single point of failure such as: Disk, disk shelves, disk loop, SAN Switches, ISLs, cables, interconnects or controller head Zero unplanned downtime through transparent failover Zero planned downtime through nondisruptive upgrades (we’ll see ;-)) Failover to DR site within minutes after site-wide failure
- 6.VMware vSphere Metro Storage cluster VMware vSphere Metro Storage cluster is designed to leverage the benefits of highly available clusters across geographically dispersed locations On vCenter HA cluster is used between two sites and allows the use of features such as vMotion and svMotion to migrate VMs between the sites It provides the ability to load balance across both sites and provides enhanced downtime avoidance DRS rules can be used to tie particular VMs to a site, if needed
- 7.Fabric Metrocluster with OTV OTV is required to allow the VMs to be able to vMotion between sites (only runs on Layer 2 communication) Without OTV the sites could not communicate outside of their own boundary and HA would not be possible within vSphere vSphere MSC utilises OTV to route L2 over L3 communication so both sites can communicate successfully Each Nexus 7k has its own OTV VDC (Virtual Data Center) to make it routable and to handle the encapsulation of traffic across the link
- 8.UCS Director Cisco UCS Director automates end-to-end IT processes and provides an end-to-end infrastructure management via a single pane of glass Single management interface for Physical and Virtual infrastructure Single click provisioning (with forethought into IP addressing etc) Workflow based orchestration Converged Infrastructure management Self-service portal (including approval processes) Multi-tenant / secure multi-tenant security Cost modelling for chargeback Reduces time to deployment by automating time-heavy tasks UCS Director allows workflows to be packaged as catalogs and presented to the end user to allow self-service consumption of IT resources. It uses API calls to allow orchestration of the underlying managed infrastructure components, helping to standardize common tasks
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