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Trend Watch: 3 trends in storage for virtualization and cloud
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HP StoreVirtual 4000 Storage - StoreVirtual Storage
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Converged Virtual Environment
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Reduce SAN costs with an all-inclusive, enterprise feature set for physical and virtual environments. Eliminate risk via data high availability. Increase business agility and scale SAN disruption free.


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Questions


Answers

Q1.What is HP StoreVirtual 4000 Storage?
A1.The HP StoreVirtual Storage portfolio, the third-generation of the HP LeftHand Storage platform, offers affordable, highly scalable and simple solutions that support virtualization growth. The new portfolio, based on HP ProLiant Generation 8 server technology, is optimized for SMBs and remote office environments, providing multiple physical deployment options, as well as VSA software, offering high-availability across multiple locations.
Q2.How do you scale the capacity and / or performance of HP StoreVirtual Storage?
A2.You scale capacity by adding nodes to the storage cluster. With HP StoreVirtual Storage performance increases along with capacity. By aggregating all of the resources, not just capacity, the overall performance of the cluster increases each time a StoreVirtual node (= StoreVirtual System) is added.
Q3.What is Storage Clustering and what are its benefits?
A3.Storage Clustering allows a customer to create pools of storage by consolidating storage nodes on the network into clusters. Storage Clustering provides online scalability, both within a volume and across the entire storage pool. All available physical capacity is aggregated and available to the volumes created on the SAN.

In order to scale capacity and/or performance, the IT administrator simply adds nodes to the storage cluster.

All the capacity, processing power, and bandwidth included in each node are aggregated into the entire cluster, ensuring an increase in performance as the array grows. To make the process even easier, HP StoreVirtual Storage lets IT administrators expand volumes and add storage nodes online, without taking the volumes offline or causing application downtime.
Q4.What is Network RAID and how does it work?
A4.Just as disk RAID stripes and protects copies of data across an array of disks in a single disk shelf, Network RAID stripes and protects multiple copies of data across a cluster of StoreVirtual nodes. It eliminates any single point of failure in the array. Applications have continuous data availability in the event of a power, network, disk, controller, or entire storage node failure.

IT administrators can manage redundancy on a per-volume basis to optimize storage utilization and match the data protection of the volume to the application data on that volume. Customers can choose the level of protection for each volume/LUN separately. The can choose between Network RAID 0,5,6,10,10+1, and 10+2 for up to four copies of data protection across the storage nodes, only allocating additional storage space for data that warrants additional protection. For increased protection, Network RAID can also be integrated into environments where application servers are clustered, enabling true, seamless, geo-cluster solutions that provide both application and Storage Clustering across geographies.

Built-in self-healing technology allows Network RAID to proactively repair bad blocks on the array before applications encounter them. Network RAID automatically optimizes the data layout of a volume over time insuring that performance remains optimal no matter how old or full the volume becomes.
Q5.What advantage does HP StoreVirtual Storage bring to customers who are implementing virtualization?
A5.Customers implementing virtualization require shared, highly available storage to take full advantage of advanced capabilities of hypervisors. HP StoreVirtual Storage delivers the performance and features required to simplify storage, provide application high availability, and scale your storage while it remains online.

HP StoreVirtual Storage offers efficient storage utilization, optimized performance, simple management, and cost-effective disaster recovery. The tight integration with VMware VAAI, VASA, SRM, DRS, etc. make StoreVirtual Storage ideal for those environments.
Q6.What is Thin Provisioning and what are its benefits?
A6.The Thin Provisioning feature of the StoreVirtual Storage allocates space only as data is actually written to that volume. Thin Provisioning allows customers to purchase only the storage needed today and then add more storage to the clusters as application data grows. This raises the overall utilization and efficiency of the storage and ultimately increases the ROI associated with the array.
Q7.What is Remote Copy and what are its benefits?
A7.LeftHand Remote Copy lets customers replicate thin provisioned snapshots between primary and remote locations. Because remote copies are thin provisioned no space reservation at the remote location is required. LeftHand Remote Copy is used for centralized backup and disaster recovery and can be set up on a per-volume basis. Remote copies placed on a recurring schedule allow customers to achieve point-in-time asynchronous replication of the data between locations, sites, or data centers.

Integrated into the Remote Copy feature is intelligent bandwidth management ensuring that the data traffic can be sent across shared WAN links without adversely impacting other network traffic. Administrators simply set the bandwidth limit for remote copies between the two sites and the LeftHand OS holds that limit.

A failover/failback wizard is a part of LeftHand Remote Copy offering step-by-step, easy to execute disaster recovery procedures when needed most.
Q8.How is the P4800 different from other StoreVirtual or LeftHand offerings?
A8.The HP LeftHand P4800 for BladeSystem is the world's first enterprise class storage integrated into a HP BladeSystem infrastructure. This means you can add P4800 SAN storage into existing HP BladeSystem c7000 chassis and take advantage of the world class density, power, and cooling capabilities of HP BladeSystem.
Q9.Why would I choose HP StoreVirtual Storage over another SAN?
A9.HP StoreVirtual Storage offers an all inclusive feature set that enables enterprise functionality at an affordable price. A pay-as-you-grow, all-inclusive pricing model and intuitive storage management software makes it perfect for deployments where you wrestle with sophisticated storage requirements while being constrained by tight budgets and limited storage management expertise.

Unlike traditional storage architectures in which a controller manages arrays of disk drives and can bottleneck performance, HP StoreVirtual is composed of storage systems that can be added to the storage cluster and thus linearly increasing IOPs, by aggregating bandwidth, processing power, RAM, cache, capacity and redundancy.

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