04-08-2015
We need to copy de files compressed to a tape. I don't know if the space on disk is enought for the compression process thats what I talk about MKNOD command. Using pipes the files are compressed and sent to the tape without left temporal files in server.
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LEARN ABOUT OPENSOLARIS
fiocompress
fiocompress(1M) System Administration Commands fiocompress(1M)
NAME
fiocompress - file compression utility
SYNOPSIS
/sbin/fiocompress -c [-m] [-b block_size] input_file output_file
/sbin/fiocompress -d input_file output_file
DESCRIPTION
The fiocompress utility is a file compression tool that works together with the dcfs(7FS) file system to perform per-file compression. You
can use fiocompress to decompress a compressed file or mark a compressed file as compressed, causing automatic decompression on read. The
primary use of fiocompress is to compress files in the boot archive.
Note that this utility is not a Committed interface. See attributes(5).
OPTIONS
The following options are supported:
-b block_size
Specify a block size for compression. The default block size is 8192.
-c
Compress the specified file.
-d
Decompress the specified file.
-m
Mark the compressed file for automatic decompression on read. Can be used only in conjunction with -c.
EXIT STATUS
0
The command completed successfully.
-1
The command exited due to an error.
ATTRIBUTES
See attributes(5) for descriptions of the following attributes:
+-----------------------------+-----------------------------+
| ATTRIBUTE TYPE | ATTRIBUTE VALUE |
+-----------------------------+-----------------------------+
|Availability |SUNWcsr |
+-----------------------------+-----------------------------+
|Interface Stability |Private |
+-----------------------------+-----------------------------+
SEE ALSO
boot(1M), bootadm(1M), dcfs(7FS), ufs(7FS), attributes(5)
NOTES
This compression/decompression utility works only with files stored in a UFS file system.
There is no obvious way to determine whether a given file is compressed, other than copying the file and comparing the number of disk
blocks of the copy against the original.
SunOS 5.11 10 Dec 2008 fiocompress(1M)