The Operating System Start-Up Account - Sybase 12.5.1 User Manual

Historical Server configuration concepts
Accessing control file information
Do not edit the control file

The operating system start-up account

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• It is the default directory location for the data files that Historical Server
writes during recording sessions. The users who create the recording
sessions can override this default location.
The parameter in the Historical Server start-up command specifies the home
-D
directory location. This is a required parameter.
The current execution of Historical Server can access data files from previous
executions only if the current execution is using the same control file, in the
same home directory, as the previous executions were using. Therefore, in
most cases, you should not change the Historical Server home directory
between start-ups. See "Configuring multiple instances of Historical Server"
on page 23 for a discussion about using different home directories.
For more information about the files created by Historical Server, see Chapter
5, "Data Files."
Use the Historical Server
the Historical Server control file.
Do not edit the control file. You might inadvertently corrupt it. Regardless of
the editor you use, do not open and then save this file.
This is true especially if Historical Server is running on Windows NT. Unlike
the other files created by Historical Server, the control file is not a standard-
format Windows NT text file. Lines of text in the control file are terminated
only with newline characters, rather than the usual carriage-return/newline
pairs. The editing program may corrupt the file by embedding unwanted
carriage-return/newline pairs into the text.
The account that starts Historical Server must satisfy these conditions:
• The same account must start Historical Server each time.
command to gain access to the information in
hs_list
Historical Server