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18.9.1 Planned Hardware or Storage Device Upgrade without
Replacing the Server
If you are planning to upgrade hardware such as a storage device or RAM, you prepare by doing a
cold backup of eDirectory using the Backup eMTool, as well as a file system backup. This will let
you safeguard the server's eDirectory identity and file system data, which has the following benefits:
If you are replacing storage devices, the backups let you transfer information from the old
storage devices to the new.
If you are replacing the storage device that includes the disk partition/volume containing
eDirectory, having this backup information lets you use the restore process to re-create the
eDirectory database on the new storage device.
Doing a cold backup of eDirectory and keeping the database closed afterward means you can
upgrade hardware and transfer the database without worrying that the database has changed
since the backup.
If anything goes wrong, you have backups you can use to recover.
For the eDirectory cold backup, you must use the options to lock and disable eDirectory on the
server, preventing any data change after the backup is made. To other servers that communicate with
this server, the server appears to be down. Any eDirectory information that is normally sent to the
server is stored by other servers in the tree until they can communicate with the server again. The
stored information is used to synchronize the server when you bring it back online.
NOTE: Because other servers in the eDirectory tree expect the server to come back online quickly,
you should complete the upgrade promptly and open the eDirectory database on the server as soon
as possible.
To perform a planned hardware upgrade:
1 If you are concerned that the upgrade might cause a problem for your server, you might want to
prepare another machine to use if necessary.
See
"1. Preparing for a Server Replacement" on page
2 Use an eMBox Client command like the following to do a cold backup of the eDirectory
database and keep the database closed and locked when finished. If you use NICI, make sure to
back up the security files too.
backup -f backup_filename_and_path
-l log_filename_and_path -t -c -o -d
If you use NICI, make sure you back up the NICI files. (See
eMBox Client" on page 454
for more information about using the eMBox Client and the switches.)
The eDirectory database is now locked. You must leave it locked so that no new data changes
will be made on that server until you finish the procedure.
Complete the rest of the procedure promptly, to minimize the amount of time that the server is
unavailable.
3 Back up the file system using your backup tool of choice. (For NetWare, you can use SMS
It's important to do this after backing up the database, so that the eDirectory backup files are
saved to tape along with the rest of the file system.
570 Novell eDirectory 8.8 Administration Guide
and
"Backup and Restore Command Line Options" on page 465
573.
"Backing Up Manually with the
.)
TM
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