
Backing Up and Restoring Novell eDirectory
425
n
ov
do
cx (e
n)
11
Ju
ly 20
08
To prepare for a disaster in which you lose multiple servers:
Address the issues listed above.
For multiserver trees, consider creating DSMASTER servers to help you prepare for the event
of a disaster.
See
“Using DSMASTER Servers as Part of Disaster Recovery Planning” on page 434
.
Regularly test your disaster recovery strategy to make sure it meets your goals.
16.2 Understanding Backup and Restore
Services
“About the eDirectory Backup eMTool” on page 425
“What's Different about Backup and Restore in eDirectory 8.7.3?” on page 426
“Overview of How the Backup eMTool Does a Restore” on page 428
“Format of the Backup File Header” on page 429
“Format of the Backup Log File” on page 433
“Using DSMASTER Servers as Part of Disaster Recovery Planning” on page 434
“Transitive Vectors and the Restore Verification Process” on page 435
“Restore Verification Is Backward Compatible Only with eDirectory 8.5 or Later” on page 436
“Preserving Rights When Restoring File System Data on NetWare” on page 436
16.2.1 About the eDirectory Backup eMTool
The Backup eMTool provides hot continuous backup of the eDirectory database on an individual
server. You can back up eDirectory on your server without closing the database, and you still get a
complete backup that is a snapshot of the moment when the backup began. This feature means that
you can create a backup at any time and eDirectory will be accessible throughout the process. (Hot
continuous backup is the default behavior—you can specify a “cold” backup with the database
closed, if required.)
The new backup also lets you turn on roll-forward logging to keep a record of transactions in the
database since the last backup, so you can restore a server to the state it was in at the moment before
it went down. You must turn on roll-forward logging for servers that participate in a replica ring, so
that you can restore a server back to the synchronization state that the other servers expect. If you
don't, when you try to restore from your backup files you will get errors and the database will not
open. Roll-forward logging is off by default. For more information, see
Section 16.3, “Using Roll-
Forward Logs,” on page 437
.
The new Backup eMTool does not back up all the objects in eDirectory at once; just the partitions on
an individual server. This allows for better restore of an individual server and faster backups than the
legacy TSA for NDS
®
backup. (The legacy TSA for NDS backup still works as documented in
eDirectory 8.6; both the TSA for NDS and the new backup can be used if necessary.) For a
comparison, see
“What's Different about Backup and Restore in eDirectory 8.7.3?” on page 426
.
The new eDirectory backup tool must be used in conjunction with file system backups to put the
eDirectory backup files safely on tape. Novell has partnered with several leading providers of
backup solutions. For a list, see
NetWare Partner Products: Backup, Restore, & Recovery (http://
www.novell.com/partnerguide/p100004.html)
.
Содержание EDIRECTORY 8.8 SP3
Страница 4: ...novdocx en 11 July 2008...
Страница 72: ...72 Novell eDirectory 8 8 Administration Guide novdocx en 11 July 2008...
Страница 120: ...120 Novell eDirectory 8 8 Administration Guide novdocx en 11 July 2008...
Страница 132: ...132 Novell eDirectory 8 8 Administration Guide novdocx en 11 July 2008...
Страница 190: ...190 Novell eDirectory 8 8 Administration Guide novdocx en 11 July 2008...
Страница 238: ...238 Novell eDirectory 8 8 Administration Guide novdocx en 11 July 2008...
Страница 262: ...262 Novell eDirectory 8 8 Administration Guide novdocx en 11 July 2008...
Страница 288: ...288 Novell eDirectory 8 8 Administration Guide novdocx en 11 July 2008...
Страница 320: ...320 Novell eDirectory 8 8 Administration Guide novdocx en 11 July 2008...
Страница 348: ...348 Novell eDirectory 8 8 Administration Guide novdocx en 11 July 2008...
Страница 388: ...388 Novell eDirectory 8 8 Administration Guide novdocx en 11 July 2008...
Страница 492: ...492 Novell eDirectory 8 8 Administration Guide novdocx en 11 July 2008...
Страница 586: ...586 Novell eDirectory 8 8 Administration Guide novdocx en 11 July 2008...
Страница 599: ...The eDirectory Management Toolbox 599 novdocx en 11 July 2008 Click Help for details...
Страница 600: ...600 Novell eDirectory 8 8 Administration Guide novdocx en 11 July 2008...
Страница 614: ...614 Novell eDirectory 8 8 Administration Guide novdocx en 11 July 2008...