 |
 |
|
Data Storage - Call PBM IT Solutions at (888) 233-6471Energy is another important issue for every data center to review. Data center per-cabinet power consumption has steadily increased over the past several years as pedestal servers drawing 1KW/rack have given way to 1U/2U pizza box servers at 3.5KW/cabinet and blade implementations at 10KW/cabinet. Faster CPUs, larger memory chips, and smaller disk drives also continue to increase power demands. IT executives will have to make sure the data can be audited and meet regulatory and compliance rules as well as make sure the growing storage demands don't break the bank. In-house data centers can be a business weak link if proper attention isn’t paid to power use, cooling capacity, disaster recovery preparedness, running IT to support compliance initiatives, and staffing flexibility to support utility computing initiatives. The idea is that virtualization disguises the true complexity of the network by separating it into manageable parts, much like your partitioned hard drive makes it easier to manage your files. Hypervisor software is the secret sauce that makes virtualization possible. This software, also known as a virtualization manager, sits between the hardware and the operating system, and decouples the operating system and applications from the hardware. The hypervisor assigns the amount of access that the operating systems and applications have with the processor and other hardware resources, such as memory and disk input/output. Data backup involves the saving of your data in two or more locations, so that if something happens to your computer, you still have your data reserved in backup. This allows you to keep your data even if you lose your computer. With the Cisco UCS 82598KR-CI adapters, a maximum of two adapters are presented to the VMware ESX hypervisor running on the blade. This interface count does not support a fabric failover, and the service console must be migrated to the Cisco Nexus 1000V Series Switch along with all these other adapter types if any high-availability requirement exists. The actual migration of this interface during VMware ESX deployment on the blade is discussed in the specific adapter section later in this document, but for more detailed information about how to migrate a user's service console, see the Cisco Nexus 1000V Series documentation. Green IT starts with manufacturers producing environmentally friendly products and encouraging IT departments to consider more friendly options like virtualization, power management and proper recycling habits. Data storage systems are used in a variety of businesses for the purpose of storing and maintaining data which is critical to the operation of the businesses and their customers. It is very important that such data storage systems be highlyreliable to minimize or eliminate the chance of losing data if the system fails. The most secure and reliable systems employ total redundancy, in which every component of the system is replicated, such that, upon a failure of a component, anothercomponent takes over operation, so that the data storage system can remain fully functional. For example, two storage processors may be provided in a system such that if one fails, the other assumes the operation of the failed processor as well asmaintaining its own. However, total redundancy is expensive and can be an inefficient use of system resources. The Cisco Nexus 1000V provides real-time coordinated configuration of network and security services and maintains a virtual machine-centric management model, enabling the server administrator to increase both efficiency and flexibility. |
