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1995-05-20
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Tech Note Number: 9504
Date: May 20, 1995
Subject: Procedures For Cloning a server using
an Export Media
Keywords: Restore, Import, Export, Non-managed,
Media
Affected Products: PNA versions 3.1a NLM
Introduction
The following Tech Note details the procedure for cloning a server
using the Network Archivist NLM and export media. The requirements
are Network Archivist NLM base software diskettes. The source server is
the server to be cloned. The destination server must be named the same
as the source server, with the same volume structure; and the
destination server must have the same version of NetWare TM installed.
PNA does not keep track of what files are put to Media during export
operations within its history databases. In order to restore data from
an export Media, the data must first be located on Media and brought back
using command line operations.
(NOTE: This Procedure assumes that all your data can fit onto one media)
STEP 1: With a blank media in the drive we issue the following command
to do a full export of the system's bindery:
PNABACK /FX SERVERNAME/Bindery /Dyyy /Q
where yyy is a label to be assigned to that specific session.
This is optional.
NOTE: DO NOT PUT A COLON AFTER THE WORD BINDERY FOR THIS COMMAND
STEP 2: With that same Media in the drive issue the following command to
do a full export of your system's files, trustee info, and
directory structure:
PNBACK /FX SERVERNAME/VOLUME: /Dyyy /Q
where yyy is a label to be assigned to that specific session.
This is optional.
STEP 3: After the full backup is complete, check the PNA_LOG file
to verify that the backup completed successfully, that no open
files were skipped, and to check for any important messages
communicated by the Network Archivist.
(Optional) It is recommended to repeat the first step in order to
have another tape available if media failure should occur. It is
a good idea to clean your tape drive after introducing new, blank
tapes.
STEP 4: Bring the source server down and the destination server
up. Once again, these two servers have identical server names
and volume structures. The destination server should have the
hardware and controller already installed with the necessary
drivers loaded. Refer to Palindrome's Hardware Installation
Guide.
Note: If the source server cannot be brought down, clone the
destination server offline.
Note: After cloning is complete, the clone must remain off the
network or the server's name must be changed.
STEP 5: Login as "SUPERVISOR" on the destination server and
create your backup user on this server, making sure to grant that
user supervisor equivalency. Next log in as that new user and
install the Network Archivist NLM base software and other needed
support modules such as TSA's & Patches.
Be sure to install the Network Archivist into the same directory
specified on the source server. You will need to add the volumes
to the protected volume list during this installation.
STEP 6: With PNA now installed, PNASM loaded on the server, and the
export media in the drive, we can begin the restore process.
A) First we will restore the Bindery files by issuing the
following command:
PNAREST /RO /OA /I SERVERNAME/Bindery \*.*
Notice the space after the word Bindery, this is required !!!
B) Next, we will restore the Directory structure and trustee info
by issuing the following command:
PNAREST /RD /OA /I SERVERNAME/VOLUME:
C) Finally we restore the files by issuing the following command:
PNAREST /RO /OA /I SERVERNAME/VOL:\*.*
Repeat steps B & C for each volume until finished.
You have now finished cloning your Netware server & volumes. If this
server is being cloned for data only then you do not need to go to
step 7. However, if this is to become the regular backup server again,
you will need to follow step 7 to restore the proper files that will
allow your nightly backups to continue where they left off.
STEP 7: First you will need to locate the media that was last used
for your regular backup. With this media in the device go
into your installation directory and delete the 2 control
database files, ASNX.PAC & ASBD.PAC. Then delete the entire
DB subdirectory that resides in your installation directory.
This will clear all unwanted version of Histories that were
created when you re-installed PNA.
Next, simply type PNA. You will then be prompted to restore
your control DB's from media, and it will go out to your mounted
media, find the latest version of the control files and restore
them. When this is finished and you are at your main menu, go down
the list with your arrow keys and tag these resources. This is
done by pressing the space bar on each one.
Finally, choose the Restore option from the menu adn pick the File
History Database option. This will restore ALL histories for your
current backup operation.
EXPLANATION OF COMMANDS USED IN THIS TECH-NOTE
/RO - Restore Original - used to restore data to the original
location on disk.
/OA - Always overwrite files on disk with those from Media.
/I - Ignore the databases for this operation
Use this option instead of a /D or /N if you want PNA
to search the entire Media. (Note that the entire Media
will be searched).
/RD - Restore all Directory info from tape. Also will restore
any trustee info as well.
NOTE: If using this command on a pre-existing volume with
data on it already, PNA defaults to Overwrite Older
and will not overwrite any existing trustee info. You
can however add the Overwrite Always switch to override
this.