Summary of changes in release 2.2

This section describes the enhancements made to SAN File System in release 2.2.

The following list describes the technical changes and enhancements made to SAN File System for release 2.2.
  • Heterogeneous file sharing — SAN File System now supports heterogeneous file sharing by implementing user maps that identify equivalent UNIX® and Windows® domain-qualified users.
  • Additional client platforms — SAN File System supports these additional client platforms:
    • SUSE Linux™ Enterprise Server 8 (32-bit)
  • Installation enhancements — SAN File System has many installation enhancements, including:
    • Rolling upgrade — You can upgrade your metadata servers from SAN File System release 2.1 to 2.2 with minimal disruption in service.
    • Client upgrade — Upgrading the SAN File System clients to SAN File System release 2.2 is optional.
  • Management enhancements — SAN File System has many management enhancements, including:
    • Non-disruptive file movement — SAN File System allows you to move a file, along with any FlashCopy® images for that file, to a new storage pool without disruption to the reader.
    • File defragmentation — You can defragment an individual file in a storage pool.
    • File management — You can create a policy to move files to a new storage pool or delete files to improve the use and balance of premium and inexpensive storage throughout the life cycle of that file.
  • Serviceability enhancements — SAN File System has many serviceability enhancements, including:
    • Client tracing — The tracing utility has been improved to provide a robust, lightweight, buffered, tracing mechanism that is common among all SAN File System client platforms. In addition, log messages are now duplicated in the tracing buffer when tracing is enabled to enhance problem determination.
  • Usability enhancements — SAN File System has many usability enhancements, including:
    • Windows client configuration — You can now use the SAN File System plug-in for the Microsoft® Management Console to configure settings for the Windows clients. This eliminates the need to manually modify the registry.
    • Metadata checker status indicator — A progress indicator now shows the progress and estimates the completeness of the metadata checker process.
    • LUN details — The LUN details now include the world-wide node name (WWNN) and the world-wide port name (WWPN) associated with each LUN.
    • Unicode characters — SAN File System supports both uppercase and lowercase non-ASCII Unicode characters in file names. SAN File System policies also support non-ASCII Unicode characters.
    • Multibyte character set (MBCS) — SAN File System now supports MBCS in the names of files used in policies and directories in the global namespace to which filesets can be attached:
      • File names — Policies accept rules with file names that use MBCS. Rule terms that support MBCS include CHARACTER_LENGTH, CHAR_LENGTH, LEFT, LIKE, POSITION, RIGHT, SUBSTRING and TRIM, and wild cards for zero, one or more characters.
      • Fileset attach points — The global namespace now accepts directory names that use MBCS; however, the root fileset attach point (for example, /sanfs) must be in ASCII.

Parent topic: Summary of changes

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IBM TotalStorage SAN File System v2.2