nisbackup(1M)						  System Administration Commands					     nisbackup(1M)

NAME

       nisbackup - backup NIS+ directories

SYNOPSIS

       nisbackup [-v] backup-dir directory...

       nisbackup [-v] -a backup-dir

DESCRIPTION

       nisbackup  backs  up  a NIS+ directory object on a NIS+ master server. Updates to the NIS+ database will be temporarily disabled while nis-
       backup is running. The backup-dir is a UNIX directory that must exist prior to running nisbackup. The nisbackup	command  can  be  used	to
       backup an individual NIS+ directory object or all ( -a) of the NIS+ directory objects served by a master server. The NIS+ directory objects
       being backed up will be placed into subdirectories under the backup-dir directory. These subdirectories are named  according  to  the  NIS+
       directory  object  they	contain.  nisbackup  operates  on individual NIS+ directory objects (for example, org_dir.wiz.com). This allows an
       administrator to selectively backup specific directories.

       The rpc.nisd(1M) process must be running on the master server with a stable NIS+ database for nisbackup to  complete.  nisbackup  will  not
       attempt	to  correct any corruption in the NIS+ database, so it is important that backups be done regularly as part of the NIS+ administra-
       tion.

       The first synopsis is used to backup a single NIS+ directory object or a list of NIS+ directory objects. The objects can be partially qual-
       ified or fully qualified. The machine on which the command is executing must be the master for the NIS+ directory objects specified.

       The  second  synopsis will backup all of the NIS+ directory objects that are served by this master. The -a option is the recommended method
       of backing up a master server, since it will backup all NIS+ directory objects that are served by this master. If this server is  a  master
       server  for more than one domain, the backup will include NIS+ directories that belong to all of the domains served. Individual NIS+ direc-
       tory objects can be selected for restoring from a backup-dir created with the -a option. See nisrestore(1M).

       The -a option only includes directory objects for which this server is the master. It is possible, but not recommended, to configure a mas-
       ter  server as a replica for other domains. The objects belonging to those replicated domains will not be backed up with the -a option. The
       backup of replicated objects must be run on the master server for those objects.

       Do not use the same backup-dir to backup different master servers. Each master server must have its own backup-dir.

       nisbackup will set the rpc.nisd(1M) to read only mode, which will disable updates to the NIS+ database. This is neccessary  to  ensure  the
       consistency  of the backup. For this reason, nisbackup should not be run while large numbers of updates are being applied to the NIS+ data-
       base. Update utilities such as nisaddent(1M) should not be run simultaneously with nisbackup.

OPTIONS

       -a    Creates a backup of all NIS+ directory objects for which this server is a master.

       -v    Verbose option. Additional output will be produced and sent to syslog(3C) upon execution of the command (see syslog.conf(4)).

OPERANDS

       backup-dir    The directory into which the subdirectories containing the backed up objects are placed. This must be created prior  to  run-
		     ning nisbackup.

       directory     The NIS+ directory object(s) being backed up.

EXAMPLES

       Example 1 Backup of the org_dir NIS+ directory object of the domain foo.com on a master server to a directory named /backup

       To backup the org_dir NIS+ directory object of the domain foo.com on a master server to a directory named /backup:

	 master_server# nisbackup /backup org_dir.foo.com.

       Example 2 Backup of the entire NIS+ domain foo.com to a directory named /backup

       To backup the entire NIS+ domain foo.com to a directory named /backup:

	 master_server# nisbackup /backup foo.com. 
		       org_dir.foo.com. groups_dir.foo.com. 
		       ctx_dir.foo.com.

       Example 3 Backup of an entire NIS+ database to a backup directory named /backup

       To backup an entire NIS+ database to a backup directory named /backup:

	 master_server# nisbackup -a /backup

EXIT STATUS

       0    Successful completion.

       1    An error occurred.

FILES

       /backup-dir/backup_list

	   This ascii file contains a list of all the objects contained in this backup-dir directory.

       /backup-dir/directory-object

	   A subdirectory that is created in the backup-dir that contains the NIS+ directory-object backup.

       /backup-dir/directory-object/data

	   A subdirectory that contains the data files that are part of the NIS+ directory-object backup.

       /backup-dir/directory-object/last.upd

	   This data file contains timestamp information about the directory-object.

       /backup-dir/directory-object/data.dict

	   A NIS+ data dictionary for all of the objects contained in the NIS+ directory-object backup.

ATTRIBUTES

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

       +-----------------------------+-----------------------------+
       |      ATTRIBUTE TYPE	     |	    ATTRIBUTE VALUE	   |
       +-----------------------------+-----------------------------+
       |Availability		     |SUNWnisu			   |
       +-----------------------------+-----------------------------+

SEE ALSO

       NIS+(1), nisdefaults(1), nisrm(1), nisrestore(1M), rpc.nisd(1M),  syslog(3C), nisfiles(4), syslog.conf(4), attributes(5)

NOTES

       NIS+  might not be supported in future releases of the Solaris operating system. Tools to aid the migration from NIS+ to LDAP are available
       in the current Solaris release. For more information, visit http://www.sun.com/directory/nisplus/transition.html.

SunOS 5.11							    12 Dec 2001 						     nisbackup(1M)