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Stephen Foskett, Pack Rat

Understanding the accumulation of data

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SVC

FalconStor Brings VAAI Support To Every Storage Array

September 1, 2011 By Stephen Leave a Comment

FalconStor Software announced this week that Network Storage Server (NSS), their SAN virtualization solution, now supports VMware VAAI. This is big news for two reasons: Is the first time a smaller storage company has added VAAI support, and this is the first software virtualization product to do so. Users of this FalconStor solution will be able to use the three ESX 4.1 VAAI … [Read more...] about FalconStor Brings VAAI Support To Every Storage Array

VMware PSP and SATP in Plain English

June 6, 2011 By Stephen 4 Comments

I am often questioned during my Storage for Virtual Environments seminar presentations about VMware's Pluggable Storage Architecture (PSA). This system is fairly straightforward and concept: VMware provides native multipathing support for a variety of storage arrays, and allows third parties to substitute their own plug-ins at various points in the stack. But the profusion of … [Read more...] about VMware PSP and SATP in Plain English

IBM Adds VAAI Support to XIV and SVC

May 9, 2011 By Stephen 3 Comments

VMware's vStorage API for Array Integration (VAAI) is one of the most-important storage technology advances of the decade, allowing the VMware ESX to integrate and coordinate operations with supported enterprise storage arrays. After an explosion of initial support, however, VAAI implementation slowed. IBM was notably absent from the party, listing only partial support for a … [Read more...] about IBM Adds VAAI Support to XIV and SVC

Processing and Scheduling Thin Provisioning

February 22, 2011 By Stephen 3 Comments

Although the core issues with thin provisioning revolve around communication, it presents unique challenges to the storage array as well. We talked about granularity of pages, and the comments for that piece were extremely enlightening. Now let's consider another key factor: Scheduling. Note that the "provisioning" part is relatively easy to do on the fly: An array just has … [Read more...] about Processing and Scheduling Thin Provisioning

VMware VAAI Storage Array Support in Plain English

February 8, 2011 By Stephen 18 Comments

The most exciting enhancements in VMware vSphere 4.1 is the addition of vStorage API for Array Integration (VAAI). This new API allows VMware ESX to offload storage processing functions to capable storage arrays, reducing the workload on the server hardware in introducing new and exciting possibilities for performance and efficiency. VAAI in ESX 4.1 includes three separate … [Read more...] about VMware VAAI Storage Array Support in Plain English

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