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help needed in creating an image from a 7za compressed file

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Operating Systems Solaris help needed in creating an image from a 7za compressed file
# 1  
Old 06-20-2008
help needed in creating an image from a 7za compressed file
Hi all,

I have been working on a few files that have been 7za compressed.(which are a part of an OS)
Now after extracting the file and doing manipulations i did a putback.
But when i create an image and burn it onto the disk to check if my changes are working...
I get error at boot time.
Now i am very sure that there are no syntax errors in my scripts nor there is an error in compression.
so the remaining culprits could be the way i am making the ISO or the way i am buring the iso onto the disk..

So could anyone pleas help me in creating an iso that is specifically meant for 7za compression.
I once again confirm to you that there is no issues with my scripts or the way i compress it and do a putback

this is the command i use to make the iso
mkisofs -o image.iso -b boot/grub/stage2_eltorito -c .catalog -no-emul-boot -boot-load-size 4 -boot-info-table -N -l -R -U -allow-multidot -no-iso-translate -cache-inodes -d -D -V "My folder" <directory>

this is what i use to burn the iso onto the disk
cdrw -iC image.iso
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LEARN ABOUT OPENSOLARIS

7za

P7ZIP(1)						      General Commands Manual							  P7ZIP(1)

NAME

       7-Zip - A file archiver with highest compression ratio

SYNOPSIS

       7za [adeltux] [-] [SWITCH] <ARCHIVE_NAME> <ARGUMENTS>...

DESCRIPTION

       7-Zip  is  a  file  archiver with the highest compression ratio. The program supports 7z (that implements LZMA compression algorithm), ZIP,
       CAB, ARJ, GZIP, BZIP2, TAR, CPIO, RPM and DEB formats. Compression ratio in the new 7z format is 30-50% better than ratio in ZIP format.

       7za is a stand-alone executable. 7za handles less archive formats than 7z, but does not need any others.

FUNCTION LETTERS

       a      Add

       d      Delete

       e      Extract

       l      List

       t      Test

       u      Update

       x      eXtract with full paths

SWITCHES

       -ai[r[-|0]]{@listfile|!wildcard}
	      Include archives

       -ax[r[-|0]]{@listfile|!wildcard}
	      eXclude archives

       -bd    Disable percentage indicator

       -i[r[-|0]]{@listfile|!wildcard}
	      Include filenames

       -l     don't store symlinks; store the files/directories they point to (CAUTION : the scanning stage can never  end  because  of  recursive
	      symlinks like 'ln -s .. ldir')

       -m{Parameters}
	      Set Compression Method

       -mhe=on|off
	      7z format only : enables or disables archive header encryption (Default : off)

       -o{Directory}
	      Set Output directory

       -p{Password}
	      Set Password

       -r[-|0]
	      Recurse subdirectories (CAUTION: this flag does not do what you think, avoid using it)

       -sfx[{name}]
	      Create SFX archive

       -si    Read data from StdIn (eg: tar cf - directory | 7za a -si directory.tar.7z)

       -so    Write data to StdOut (eg: 7za x -so directory.tar.7z | tar xf -)

       -slt   Sets technical mode for l (list) command

       -t{Type}
	      Type of archive (7z, zip, gzip, bzip2 or tar. 7z format is default)

       -v{Size}[b|k|m|g]
	      Create volumes

       -u[-][p#][q#][r#][x#][y#][z#][!newArchiveName]
	      Update options

       -w[path]
	      Set Working directory

       -x[r[-|0]]]{@listfile|!wildcard}
	      Exclude filenames

       -y     Assume Yes on all queries

DIAGNOSTICS

       7-Zip returns the following exit codes:

	      0      Normal (no errors or warnings detected)

	      1      Warning (Non fatal error(s)). For example, some files cannot be read during compressing. So they were not compressed

	      2      Fatal error

	      7      Bad command line parameters

	      8      Not enough memory for operation

	      255    User stopped the process with control-C (or similar)

Backup and limitations
       DO NOT USE the 7-zip format for backup purpose on Linux/Unix because :
	- 7-zip does not store the owner/group of the file.

       On Linux/Unix, in order to backup directories you must use tar :
	- to backup a directory  : tar cf - directory | 7za a -si directory.tar.7z
	- to restore your backup : 7za x -so directory.tar.7z | tar xf -

       If you want to send files and directories (not the owner of file) to others Unix/MacOS/Windows users, you can use the 7-zip format.

	 example : 7za a directory.7z  directory

       Do not use "-r" because this flag does not do what you think.

       Do not use directory/* because of ".*" files (example : "directory/*" does not match "directory/.profile")

EXAMPLE 1
       7za a -t7z -m0=lzma -mx=9 -mfb=64 -md=32m -ms=on archive.7z dir1
	      adds all files from directory "dir1" to archive archive.7z using "ultra settings"

       -t7z   7z archive

       -m0=lzma
	      lzma method

       -mx=9  level of compression = 9 (Ultra)

       -mfb=64
	      number of fast bytes for LZMA = 64

       -md=32m
	      dictionary size = 32 megabytes

       -ms=on solid archive = on

EXAMPLE 2
       7za a -sfx archive.exe dir1
	      add all files from directory "dir1" to SFX archive archive.exe (Remark : SFX archive MUST end with ".exe")

EXAMPLE 3
       7za a -mhe=on -pmy_password archive.7z a_directory
	      add all files from directory "a_directory" to the archive "archive.7z" (with data and header archive encryption on)

SEE ALSO

       7z(1) 7zr(1) HTMLHelp({DEST_SHARE_DOC}/MANUAL/index.htm)

AUTHOR

       Written for Debian by Mohammed Adnene Trojette.

ATTRIBUTES

       See attributes(5) for descriptions of the following attributes:

       +--------------------+-----------------+
       |  ATTRIBUTE TYPE    | ATTRIBUTE VALUE |
       +--------------------+-----------------+
       |Availability	    | SUNWp7zip       |
       +--------------------+-----------------+
       |Interface Stability | Uncommitted     |
       +--------------------+-----------------+
NOTES

       Source for p7zip is available on http://opensolaris.org.

Mohammed Adnene Trojette					 September 1 2006							  P7ZIP(1)