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Tivoli Storage Manager for NetWare Backup-Archive Client Installation and User's Guide
The compression option compresses files before you
send them to the server. Compressing your files reduces data storage
for backup versions and archive copies of your files. It can, however,
affect Tivoli Storage Manager throughput. A fast processor on a slow
network connection benefits from compression, but a slow processor on a fast
network connection does not.
- Note:
- The client will not compress files that the NetWare operating system already
compresses. If you set the compression option to
yes and Tivoli Storage Manager finds a file that the NetWare
operating system already compresses, the file is sent to the server without
further compression. The file is sent as a NetWare compressed
file.
If you set the compressalways option to yes,
compression continues even if the file size increases. To stop
compression if the file size grows, and resend the file uncompressed, set the
compressalways option to No.
If you set the compression option to yes, you
can control compression processing in the following ways:
- Use the exclude.compression option in your client
options file (dsm.opt) to exclude specific files or groups of files
from compression processing. See Exclude Options for more information.
- Use the include.compression option in your client
options file (dsm.opt) to include files within a broad group of
excluded files for compression processing. See Include Options for more information.
This option controls compression only if your administrator
specifies that your client node can compress files before sending them to the
server.
Use the compression option with the archive,
incremental, and selective commands.
- Note:
- The server can also define this option.
Options File
Place this option in the client options file
dsm.opt.
Syntax
.-No--.
>>-COMPRESSIon-+-----+-----------------------------------------><
'-Yes-'
Parameters
- No
- Files are not compressed before they are sent to the server. This
is the default. For options with a No parameter, acceptable
alternatives are 0, false, and off.
- Yes
- Files are compressed before they are sent to the server. For
options with a Yes parameter, acceptable alternatives are
1, true, and on.
Examples
- Options file:
- compression yes
- Command line:
- -compressi=no
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