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Full Discussion: /etc/fstab entries
Operating Systems Linux /etc/fstab entries Post 302981173 by orange47 on Thursday 8th of September 2016 03:09:04 AM
Old 09-08-2016
it seems to be used for backup:
"<dump> - used by the dump utility to decide when to make a backup. Dump checks the entry and uses the number to decide if a file system should be backed up. Possible entries are 0 and 1. If 0, dump will ignore the file system; if 1, dump will make a backup. Most users will not have dump installed, so they should put 0 for the <dump> entry."
 

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BACKUP_DELDUMP(8)					       AFS Command Reference						 BACKUP_DELDUMP(8)

NAME
backup_deldump - Deletes a dump level from the Backup Database SYNOPSIS
backup deldump -dump <dump level name> [-localauth] [-cell <cell name>] [-help] backup deld -d <dump level name> [-l] [-c <cell name>] [-h] DESCRIPTION
The backup deldump command deletes the indicated dump level and all of its child dump levels from the dump hierarchy in the Backup Database. Use the backup listdumps command to display the dump hierarchy. OPTIONS
-dump <dump level name> Specifies the complete pathname of the dump level to delete. -localauth Constructs a server ticket using a key from the local /etc/openafs/server/KeyFile file. The backup command interpreter presents it to the Backup Server, Volume Server and VL Server during mutual authentication. Do not combine this flag with the -cell argument. For more details, see backup(8). -cell <cell name> Names the cell in which to run the command. Do not combine this argument with the -localauth flag. For more details, see backup(8). -help Prints the online help for this command. All other valid options are ignored. EXAMPLES
The following command deletes the dump level "/sunday1/monday1" from the dump hierarchy, along with any of its child dump levels. % backup deldump /sunday1/monday1 PRIVILEGE REQUIRED
The issuer must be listed in the /etc/openafs/server/UserList file on every machine where the Backup Server is running, or must be logged onto a server machine as the local superuser "root" if the -localauth flag is included. SEE ALSO
backup(8), backup_adddump(8), backup_listdumps(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_DELDUMP(8)
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