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Special Forums Hardware Filesystems, Disks and Memory Help finding a Unix friendly RAID 1 backup Post 302522979 by c.wakeman on Tuesday 17th of May 2011 11:51:59 AM
Old 05-17-2011
Corona68

I wanted to start by thanking you for all your help; I should have posted this sooner but, the backup worked and there doesn't seem to have been any ill effects.

I have not had time to explore a more permanent, robust solution due to work constraints but for the time being, people are happy with the backup. However, it is time to backup the server again using the same HD and since you were so helpful last time, I hoped you could provide some tips again.

Basically, how do I go about backing up the server so that only the files that have been added or altered since the last backup are transferred? I imagine this is preferable so the whole backup doesn't take 6+ hours. I know we have discussed this previously, but I couldn't find a definitive answer in your previous posts. Let me know if you need more details.

Again, thank you for your help.
 

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BACKUP_HELP(8)						       AFS Command Reference						    BACKUP_HELP(8)

NAME
       backup_help - Displays help for backup commands

SYNOPSIS
       backup help [-topic <help string>+] [-admin] [-help]

       backup h [-t <help string>+] [-a] [-h]

DESCRIPTION
       The backup help command displays the complete online help entry (short description and syntax statement) for each operation code specified
       by the -topic argument. If the -topic argument is omitted, the output includes the first line (name and short description) of the online
       help entry for every backup command.

       To list every backup command whose name or short description includes a specified keyword, use the backup apropos command.

OPTIONS
       -topic <help string>+
	   Indicates each command for which to display the complete online help entry. Omit the backup part of the command name, providing only
	   the operation code (for example, specify dump, not backup dump). If this argument is omitted, the output briefly describes every backup
	   command.

       -help
	   Prints the online help for this command. All other valid options are ignored.

OUTPUT
       The online help entry for each backup command consists of the following two or three lines:

       o   The first line names the command and briefly describes its function.

       o   The second line lists aliases for the command, if any.

       o   The final line, which begins with the string "Usage", lists the command's options in the prescribed order. Online help entries use the
	   same symbols (for example, brackets) as the reference pages in this document.

EXAMPLES
       The following example displays the online help entry for the backup dump command:

	  % backup help dump
	  backup dump: start dump
	  Usage: backup dump -volumeset <volume set name> -dump <dump level name>
	  [-portoffset <TC port offset>]  [-at <Date/time to start dump>+]
	  [-append]  [-n]  [-file <load file>]	[-help]

PRIVILEGE REQUIRED
       None

SEE ALSO
       backup(8), backup_apropos(8)

COPYRIGHT
       IBM Corporation 2000. <http://www.ibm.com/> All Rights Reserved.

       This documentation is covered by the IBM Public License Version 1.0.  It was converted from HTML to POD by software written by Chas
       Williams and Russ Allbery, based on work by Alf Wachsmann and Elizabeth Cassell.

OpenAFS 							    2012-03-26							    BACKUP_HELP(8)
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