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Evolution of storage facilities in AIX Version 3 for RISC System/6000 processors

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5 Author(s)
A. Chang ; IBM Research Division, Thomas J. Watson Research Center, P.O. Box 218, Yorktown Heights, New York 10598, USA ; M. F. Mergen ; R. K. Rader ; J. A. Roberts
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The AIX* Version 3 storage facilities include features not found in other implementations of the UNIX operating system. Maximum virtual memory is more than 1000 terabytes and is used pervasively to access all files and the meta-data of the file systems. Each separate file system (subtree) of the file name hierarchy occupies a logical disk volume, composed of space from possibly several disks. Database memory (a variant of virtual memory) and other database techniques are used to manage file system meta-data. These features provide the capacity to address large applications and many users, simplified program access to file data, efficient file buffering in memory, flexible management of disk space, and reliable file systems with short restart times.

Note: The Institute of Electrical and Electronics Engineers, Incorporated is distributing this Article with permission of the International Business Machines Corporation (IBM) who is the exclusive owner. The recipient of this Article may not assign, sublicense, lease, rent or otherwise transfer, reproduce, prepare derivative works, publicly display or perform, or distribute the Article.  

Published in:

IBM Journal of Research and Development  (Volume:34 ,  Issue: 1 )