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Xsan 2.3: Update to StorNext SNFS v4.2.1 controller to avoid data loss issue

Symptoms

Xsan 2.3 clients (running OS X Lion or Lion Server v10.7.2 or earlier) that access filesystems hosted by controllers that use StorNext SNFS version 4.2.0 may experience data loss when renaming files on StorNext-hosted volumes.

A file may be unexpectedly deleted when renamed to a new name which differs only in the capitalization of the letters; for example, when changing "test" to "TEST".

Resolution

  1. Update all StorNext FS controllers from version 4.2.0 to 4.2.1 or later.
  2. Perform an orderly restart of all StorNext filesystems:
    1. Unmount any StorNext volumes from all clients on the SAN.
    2. Stop the StorNext volumes.
    3. Start the StorNext volumes.
    4. Mount those volumes on Xsan client systems once again.
    5. Verify that the issue no longer occurs when renaming files.

Additional Information

This issue does not affect earlier Xsan client systems or SNFS software versions other than 4.2.0.

Important: Information about products not manufactured by Apple is provided for information purposes only and does not constitute Apple’s recommendation or endorsement. Please contact the vendor for additional information.
Last Modified: Jan 20, 2012
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  • Last Modified: Jan 20, 2012
  • Article: TS4171
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