4. EXCEPTIONS


The Space Analyzer provides the necessary detail data to
specifically identify DASD exception conditions.  These
exceptions are used to assist in the management of the DASD
configuration.

The following exception conditions are reported:

               +--------+------------+-----------------+--------------------------------------------------------+
               | Number |  Severity  | Management Area | Exception Description                                  |
               |--------+------------+-----------------+--------------------------------------------------------+
               | 09001  | Impacting  | Availability    | Available VTOC Space Shortage                          |
               | 09002  | Impacting  | Availability    | Available Volume Space Shortage                        |
               | 09003  | Warning    | Performance     | High Alternate Track Usage                             |
               | 09004  | Warning    | Performance     | Volume Free Space is Fragmented                        |
               | 09005  | Warning    | Performance     | Data Set has too Many Extents                          |
               | 09006  | Warning    | Performance     | VSAM Data Set has too Many Extents                     |
               | 09007  | Warning    | Performance     | Fixed-length PS or PO Data Set is Unblocked            |
               | 09008  | Warning    | Performance     | Multi-extent DSORG=DA Data Set                         |
               | 09010  | Warning    | Performance     | Data Set Using Less Than 'n' % of Allocated Space      |
               | 09012  | Warning    | Performance     | VTOC Reorganization Recommended                        |
               | 09013  | Impacting  | Availability    | VTOC in Error, Requires Restructure (DIRF set)         |
               | 09014  | Impacting  | Availability    | Tracks not Accounted for in VTOC                       |
               | 09015  | Impacting  | Performance     | VTOC Does Not End on Cylinder Boundary                 |
               | 09016  | Warning    | Performance     | Large Data Set not Cylinder Allocated                  |
               | 09017  | Impacting  | Performance     | VTOC is not in Indexed Format                          |
               | 09018  | Critical   | Reliability     | Indexed VTOC Potentially in Error                      |
               | 09019  | Warning    | Availability    | Invalid DS1LSTAR Value                                 |
               +--------+------------+-----------------+--------------------------------------------------------+


  Figure 4-1.  CA MICS Space Analyzer Exceptions

This section contains the following topics:

4.1 Exception Process Overview

4.2 Setting Exception Values

4.3 Detailed Exception Descriptions