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Vol. 8 Num. 7 October 2009

NFS 4.1's pNFS: Big NAS performance boost

With pNFS enforcing a standardized approach to parallel file delivery, users will see a NAS performance boost in NFS 4.1, no matter whose NAS storage they have deployed. Late last year, as Network File System (NFS) 4.1 moved from Last Call to Request for Comment status at the Internet Engineering Task Force, there was a lot of press about how Parallel NFS (pNFS), included in the protocol, would create a quantum leap in network-attached storage (NAS) performance for bandwidth-intensive applications like those used in high-performance computing (HPC) applications. NFS 4.1 represents a major step in the journey to enable NFS to better serve the throughput needs driven by ever-increasing file sizes and demanding HPC environments. While the pNFS buzz has died down, vendors are developing solutions that incorporate the standard and pNFS-supporting products will be on the market in approximately six months. The 600-plus-page Request for Comment is in the editing process and full ratification should happen soon. The Network File System ...

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Features in this issue

  • Storage redux: Purchase plans reviving

    Our latest Storage Purchasing Intentions survey suggests that there may be a glimmer of hope for the economy based on storage managers purchase plans.

  • Backup in a snap: A guide to snapshot technologies

    Snapshots are used to enhance backup systems and shorten RTOs and RPOs. But you need to know how snapshots can vary, and what those differences could mean to your environment.

  • Growing need for email archiving

    More and more shops are archiving their email, which is good thing considering ever-escalating message traffic and stringent compliance regulations.

  • What's inside internal storage clouds?

    If you thought you knew cloud storage, think again. With scores of vendors touting internal storage clouds, we'll give you the lowdown on what makes a storage cloud "internal."

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