Portal:Storage

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Revision as of 17:35, 9 January 2009

Wikitip

Feel The Benefits Of Central Management in Multi-Site environments

One of the biggest challenges faced in achieving high availability in remote office/branch office (ROBO) environments is managing multiple sites without requiring technically trained staff locally and without having to depend on centrally based/external IT to visit on site to resolve issues.

Central management enables IT administrators to resolve issues from a central location without having to leave the comfort of their desk (To be fair they could do with a little sunshine). So central management means no more IT staff at local sites and no more IT travel expenses, right?

Well central management means you can manage the site centrally (duh!) but without high availability, you’re in the same situation, as if the server goes down……you guessed it, pack your bags.

But traditionally to achieve high availability, you would implement a SAN or a NAS into a 2-3 server infrastructure. That’s great, if you have $40,000 spare to spend on each site (And that’s just the SAN.)

But on top of that, essentially a physical SAN / NAS is a single point of failure. This means that if and when it fails, the benefits of central management are redundant, as it would require an IT person on site to get it back online.

An SVA like SvSAN, on the other hand, is the ideal safety net for multi-site environments, as it mirrors information across multiple servers, meaning that it can fail, as can any one of the servers, and business applications can continue until the issues are resolved centrally.

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Featured Case Study

Virtualization Energizes Cal State University

John Charles is the CIO of California State University, East Bay (CSUEB) and Rich Avila is Director, Server & Network Operations. In late 2007 they were both looking down the barrel of a gun. The total amount of power being used in the data center was 67KVA. The maximum power from the current plant was 75kVA. PG&E had informed them that no more power could be delivered. They would be out of power in less than six months. A new data center was planned, but would not be available for two years.

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Storage Professional Alerts


Featured How-To Note

Storage Virtualization Design and Deployment

A main impediment to storage virtualization is the lack of multiple storage vendor (heterogeneous) support within available virtualization technologies. This inhibits deployment across a data center. The only practical approach is either to implement a single vendor solution across the whole of the data center (practical only for small and some medium size data centers) or to implement virtualization in one or more of the largest storage pools within a data center.

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