Cisco UCS Question of the Week

Which option will give you a best compression ratio when FCIP compression is deployed over a slow fiber channel link? Compression mode 2 only Compression mode 3 only MTU size 1500, compression mode 3 MTU size 2300, compression mode 3 The correct answer is 4. MTU size of 2300 and compression mode of 3 will […]

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VMware Resource Pools: Misplacement

A common issue is that VMs are placed outside of any resource pools, leaving them at the same level as the highest level of user-created resource pools. For example, an administrator created two VMs named VM-1 and VM-2. One resource pool was named Sales and the other was named Finance, each having Normal Shares, which is equivalent to 4,000 CPU shares. The Limit and Reservation settings of each pool and VMs were left at default values. The administrator was shocked that when under a period of heavy CPU usage, the Sales and Finance VMs appeared to drag excessively, yet VM-1 and VM‑2 continued working normally. Eventually, the problem was traced to the allocation of the CPU Shares. Each VM in the Sales and Finance Pools had obtained a much smaller number of CPU Shares than VM-1 and VM-2.

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The Value of ITIL® Certifications

The professional certification industry has grown significantly in conjunction with increased growth of various aspects of the information technology field. The Information Technology Infrastructure Library (ITIL®) is a set of best practices designed to describe common approaches that organizations can apply to regular activities conducted by information technology (IT) organizations. The current version of ITIL offers a series of professional certifications designed to attest to an individual’s level of competency in specific areas that ITIL covers, or to attest to an individual’s level of competency in the overall set of ITIL best practices.

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