Using USB Memory Sticks to backup Post: 302135357

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Top Forums UNIX for Dummies Questions & Answers Using USB Memory Sticks to backup Post 302135357 by cbkihong on Saturday 8th of September 2007 05:30:11 AM

09-08-2007

Registered User

Everyone who has used USB memory sticks know that they are not as fast as HDDs. One thing that instantly comes to my mind about your saying that you want a "reliable" backup scheme with flash devices, is that every flash-based device has a certain lifetime with the number of writes. I don't know exactly how many writes beyond which the device will start failing, but it is still an issue for automated backups especially if they are done frequently, unless you have done enough tests on it to find it out.

I will not consider a backup scheme "reliable" if it encompasses flash-based devices exclusive (i.e. without other media for backup). So I am rather sceptical of the latest gadgets a.k.a. solid state disks which also use this kind of flash technology, especially because they are so pricey (but also with inherent write limitations).

cbkihong

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db2bak

DB2BAK(8)						      System Manager's Manual							 DB2BAK(8)

NAME

       db2bak - Directory Server script for making a backup of the database

SYNOPSIS

       db2bak [archivedir] [-Z serverID] [-q] [-h]

DESCRIPTION

       Creates a backup of the database.  This script can be executed while the server is running or stopped.

OPTIONS

       A summary of options is included below:

       archivedir
	      The full path to the directory to store the backup.

       -Z Server Identifier
	      The server ID of the Directory Server instance.  If there is only one instance on the system, this option can be skipped.

       -q
	      Quiet mode.  Reduces output of task.

       -h
	      Display the usage.

EXAMPLE

       db2bak -Z instance2

	      Makes a backup of the entire database for 'instance2', and stores it in the default server instance backup directory.

       db2bak /LDAP/backups/20130305

	      Creates a backup of the database and stores it in specified location.

DIAGNOSTICS

       Exit status is zero if no errors occur.	Errors result in a non-zero exit status and a diagnostic message being written to standard error.

AUTHOR

       db2bak was written by the 389 Project.

REPORTING BUGS

       Report bugs to http://bugzilla.redhat.com.

COPYRIGHT

       Copyright (C) 2013 Red Hat, Inc.

								    Mar 5, 2013 							 DB2BAK(8)