About the Client Settings (UNIX) properties

Article:HOWTO14641  |  Created: 2008-01-11  |  Updated: 2008-01-15  |  Article URL http://www.symantec.com/docs/HOWTO14641
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About the Client Settings (UNIX) properties

The UNIX Client Settings apply to currently selected UNIX clients.

Figure: Client Settings (UNIX) dialog box

Client Settings (UNIX) dialog box

The UNIX Client Settings contain the following properties:

Locked file action

Determines what happens when NetBackup tries to back up a file with mandatory file locking enabled in its file mode.

Select one of the following options:

  • Wait

    By default, NetBackup waits for files to become unlocked. If the wait exceeds the Client read timeout host property configured on the master server, the backup fails with a status 41.

  • Skip

    NetBackup skips the files that currently have mandatory locking set by another process. A message is logged if it was necessary to skip a file.

Keep status of user-directed backups, archives, and restores

Specifies the number of days to keep progress reports before deleting them. The default is 3 days. The minimum is 0. The maximum is 9,999 days.

Logs for user-directed operations are stored on the client system in the following directory:

install_path\NetBackup\logs\user_ops\ loginID\logs

Reset file access time

Specifies that the access time (atime) time for a file displays the backup time. By default, NetBackup preserves the access time by resetting it to the value it had before the backup.

This setting affects the software and the administration scripts that examine a file’s access time. DO NOT use this option or USE_CTIME_FOR_INCREMENTALS if you are running Storage Migrator on the system. Setting these options causes the atime for files to be updated every time they are backed up. An updated atime makes it appear as if the files are frequently used and prevents Storage Migrator from selecting the files for migration.

Megabytes of memory to use for file compression

Specifies the amount of memory available on the client when files are compressed during backup. If you select compression, the client software uses this value to determine how much space to request for the compression tables. The more memory that is available to compress code, the greater the compression and the greater the percentage of machine resources that are used. If other processes also need memory, use a maximum value of half the actual physical memory on a machine to avoid excessive swapping.

The default is 0. This default is reasonable; change it only if problems are encountered.

Use VxFS file change log for incremental backups

Determines if NetBackup uses the File Change Log on VxFS clients.

The default is off.

Default cache device path for snapshots

For additional information, see the NetBackup Snapshot Client Administrator’s Guide.

Do not compress files ending with list

The Do not compress files ending with list specifies a list of file extensions. During a backup, NetBackup does not compress files with these extensions because the file may already be in a compressed format.

Do not use wildcards to specify these extensions. For example, .A1 is allowed, but not .A* or .A[1-9]

Files that are already compressed become slightly larger if compressed again. If compressed files with a unique file extension already exist on a UNIX client, exclude it from compression by adding it to this list.


Use the Add button to add file endings to the list of file endings that you do not want to compress. Click Add, then type the file extension in the File Endings dialog box. Use commas or spaces to separate file endings if more than one is added. Click Add to add the ending to the list, then click Close to close the dialog box.

Add to All

Use the Add to All button to add a file extension that you do not want to compress, to the lists of all clients. To add the file extension to the lists of all clients, select it in the list on the Client Settings host property, then click Add to All.


Click the Remove button to remove a file extension from the list. To remove a name, either type it in the box or click the browse button (...) and select a file ending. Use commas or spaces to separate names.

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