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There are three environment variables you can set which affect Tivoli Storage Manager processing:
When you request an image or a NAS backup or restore, Tivoli Storage Manager uses the DSM_DIR environment variable to locate the corresponding plug-in library. If DSM_DIR is not set, the client will look for the plug-in library in the following directories: /usr/tivoli/tsm/client/ba/bin/plugins for AIX and AIX 5L, or /opt/tivoli/tsm/client/ba/bin/plugins for Solaris.
If DSM_CONFIG is not set, the client user options file is expected to satisfy both of these requirements:
However, if DSM_DIR is not set, then dsm.opt is expected in the default installation directory.
If you define DSM_LOG, Tivoli Storage Manager writes messages to dsmerror.log, dsmwebcl.log, and dsmsched.log files in the directory you specify.
If you define DSM_DIR, but not DSM_LOG, Tivoli Storage Manager writes messages to dsmerror.log, dsmwebcl.log, and dsmsched.log in the directory specified by DSM_DIR.
If you do not define DSM_LOG or DSM_DIR, Tivoli Storage Manager writes messages to dsmerror.log, dsmwebcl.log, and dsmsched.log files in the current directory.
If you use the errorlogname option to specify the fully qualified path where you want to store the dsmerror.log file, this value overrides the definitions in the DSM_LOG or DSM_DIR environment variables. The dsmwebcl.log and dsmsched.log files will be created in the same directory as dsmerror.log.
When Tivoli Storage Manager cannot write to the log file, it issues a warning message.