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Xsan volume may not mount, fsmpm may not run after migrating from Mac OS X v10.6 to OS X Lion

Xsan may need to be enabled on OS X Lion clients that were migrated from Mac OS X v10.6 via the Migration Assistant. A migrated system may show fsmpm's status as not running, or may show the computer as unreachable or offline in Xsan Admin on another system such as the metadata controller.

Enable Xsan:

  1. Open System Preferences.

  2. Click Xsan.

  3. Unlock the lock by clicking it and authenticating as an admin user.

  4. Click "Enable Xsan".

  5. Close System Preferences.

Look in Activity Monitor, all processes, then filter for fsmpm and or xsand. If either is not running, restart the system.

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