Xsan 2: The best way to share, manage, and use data on your network

apple_logo.jpgShare terabytes of data. Zero bottlenecks

Xsan is a 64-bit cluster file system specifically designed for small and large computing environments that demand the highest level of data availability. This specialized technology enables multiple Mac desktop and Xserve systems to share RAID storage volumes over a high-speed Fibre Channel network. Each client can read and write directly to the centralized file system, accelerating user productivity while improving workgroup collaboration. Here’s how the Xsan solution works.

SAN volume

Xsan allows you to consolidate data into a single storage volume that’s accessible to all systems on the storage area network (SAN). Adding capacity is as easy as attaching more RAID storage systems to your Fibre Channel network.

Fibre Channel network

The SAN volume connects to the Xsan metadata controller and all Xsan clients through a high-speed Fibre Channel switch. Apple has qualified many popular third-party switches for use with Xsan.

Xsan metadata controller

Xsan includes software called the “metadata controller,” which acts as the traffic cop for the SAN. When an Xsan client attempts to read or write to a file, it gets permission from the metadata controller, then accesses the data directly on the SAN over high-speed Fibre Channel. Any Xserve or Mac Pro running Mac OS X Server can be an Xsan metadata controller.

Xsan clients

Mac desktop or Xserve systems running Xsan have direct block-level access to files stored on the SAN volume and full read/write capability. As performance needs grow, Xsan allows you to add servers and computers to the SAN. With Xsan, one SAN can handle hundreds of clients.

Ethernet network

File system metadata is handled “out of band” over a private Ethernet network shared by all systems connected directly to the SAN. This frees up Fibre Channel bandwidth for high-performance storage throughput.

Network clients

An Xserve with Mac OS X Server and Xsan can share data from the SAN volume with an unlimited number of networked computers over the Ethernet network using file-sharing protocols, such as AFP, SMB/CIFS, and NFS.

Apple products are distributed in the Philippines by MSI-ECS. For more information and inquiries on Apple, contact Che David at 688-3704, email cdavid@msi-ecs.com.ph, or visit www.msi-ecs.com.ph.

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