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Full Discussion: Do incremental backup without tar files up
Top Forums UNIX for Advanced & Expert Users Do incremental backup without tar files up Post 302435131 by overmindxp on Tuesday 6th of July 2010 12:32:30 PM
Old 07-06-2010
Quote:
Originally Posted by methyl
What are the two Operating Systems involved? Please be very very specific.

How far apart (in network terms) are the computers? Are there any stoppers such as firewalls or restricted bandwidth?

What network file transfer software do you have available? Obviously GET/LIST/PUT implies ftp but with better knowledge of your systems there may be more?

If we are confined to ftp, do you have enough disc space to copy back an archive when you want individual files or do you expect the target system to deal with such requests?

How big in measurable units is "big" ?
I'm backup things from NFS on RHEL5 to S3, but I cant use all the features that S3 provides(specifically versioning), because I need to go through a mandatory encryption.

bandwidth is not an issue.

I dont have space to copy back a full archive, but I am considering splitting them into small parts.

data is about 5TB
Last edited by overmindxp; 07-06-2010 at 01:43 PM..
 

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LEARN ABOUT MINIX

backup

BACKUP(8)						      System Manager's Manual							 BACKUP(8)

NAME

       backup - backup files

SYNOPSIS

       backup [-djmnorstvz] dir1 dir2

OPTIONS

       -d     At top level, only directories are backed up

       -j     Do not copy junk:  *.Z, *.bak, a.out, core, etc

       -m     If device full, prompt for new diskette

       -n     Do not backup top-level directories

       -o     Do not copy *.o files

       -r     Restore files

       -s     Do not copy *.s files

       -t     Preserve creation times

       -v     Verbose; list files being backed up

       -z     Compress the files on the backup medium

EXAMPLES

       backup -mz . /f0    # Backup current directory compressed

       backup /bin /usr/bin
			   # Backup bin from RAM disk to hard disk

DESCRIPTION

       Backup (recursively) backs up the contents of a given directory and its subdirectories to another part of the file system.  It has two typ-
       ical uses.  First, some portion of the file system can be backed up onto 1 or more diskettes.  When  a  diskette  fills	up,  the  user	is
       prompted for a new one.	The backups are in the form of mountable file systems.	Second, a directory on RAM disk can be backed up onto hard
       disk.  If the target directory is empty, the entire source directory is copied there, optionally compressed to save space.  If  the  target
       directory  is  an  old  backup,	only  those  files  in	the target directory that are older than similar names in the source directory are
       replaced.  Backup uses times for this purpose, like make.  Calling Backup as Restore is equivalent to using the -r  option;  this  replaces
       newer files in the target directory with older files from the source directory, uncompressing them if necessary.  The target directory con-
       tents are thus returned to some previous state.

SEE ALSO

       tar(1).

																	 BACKUP(8)
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