dbbackup readme

8/12/2019 Dbbackup ReadMe

1/3

Microsoft OfficeLive Communications Server 2003

Database Backup Tool

1. ntro!uctionThe Microsoft Office Live Communications Server 2003 commandline script

tool, dbbacup, is a commandline tool used to bacup and restore a MicrosoftLive Communications Server database!

1.1 Problem Statement

"acin# up a Live Communications Server database is re$uired for disaster

recover%! &n case of such an incident, the entire database can be recovered usin#

the bacups!

1.2 Product Utilized

The database bacup tool 'dbbacup( is a !)*T application!

2. "sin# t$e Tool

2.1 Setup

+bbacup!ee is installed on the server computer under the Live Communications

Server installation folder, -ith the default bein#. /s%stemdrive/1ro#ram

ilesMicrosoft LCServerSupport!

2.2 How to Use the Dbbackup Tool

The follo-in# are the commandline options for the tool.

Usage for creating a backup

dbbackup.exe /backupfile:value

[/numbackups:value] [/description:value]

[/dbname:value] [/sqlserver:value]

Usage to estimate the amount of temporary space required to

perform a restore

dbbackup.exe /estimatetempspace


Usage for restoring the database

dbbackup.exe /backupfile:value /restore [/nologrestore]

[/numbackups:value] [/description:value]


Microsoft Corporation 2003

4


2/3

Options:

backupfile: ocation !here the backup is stored. "nsure

that the account #$ #erver is running under

has access to this location.

estimatetempspace:%his option !ill display the estimated space

required for the temporary file created during

restore. %he restore operation !ill fail if

this amount of free space does not exist in the

current directory.

restore: &ndicates that the database needs to be

restored from a backup. 'ote that the restore

operation might choose to backup and restore

the transaction log. "nsure that sufficient

space is available in the current directory by

running the restore operation !ith the/estimatetempspace option first. ( backup of

the database !ill be performed immediately

after restore.

nologrestore: %his option !ill force the tool to not attempt

to backup and restore the transaction log. %his

option should be used !ith caution since there

is no !ay to undo the restore !hen it)s done.

*efault is false.

numbackups: 'umber of backups to maintain. Older backups!ill be numbered from + to + minus the value of

numbackups. %he greater the value of the

number, the older the backup. Older backups are

over!ritten. *efault value is -. annot be less

than + or greater than .

description: *escription for the backup 0ob. (rgument value

is a string. *efault value is empty.

dbname: %he name of the database to connect to.

(rgument value is a string. *efaults to 1%.

sqlserver: %he #$ server instance to connect to. %he tool

attempts to connect using 2indo!s

(uthentication. *efaults to the local machine)s

rtc instance.


2


3/3

5 sample command for bacin# up the database to create a )e-bacup!dat file in

the current folder can be.

dbbackup /backupfile:.3'e!backup.dat

5 sample command for restorin# from a bacup file can be.

dbbackup /backupfile:.3'e!backup.dat /restore

2.3 Recommendations

The 6restore operation over-rites an% eistin# database! Thus, if %ou have

important information in the data store that %ou don7t -ant to over-rite, donot restore the database from bacup!

&t is recommended that this tool be run as a dail% scheduled tas

approimatel% at the time %our Live Communications Server is at its lo-est

capacit%! This ensures that there is a recent bacup if needed!

The tool should be run from an account that has access to the database!

The local 5dministrator account has access as does the account under -hich

Live Communications Server runs!

3. %no&n ssues "% default, version 4!4 of the !)*T rame-or does not allo- mana#ed

applications to run from net-or shares! Mae sure that dbbacup!ee is run

locall%!

The tool cannot bacup to a remote file share! or true disaster recover%, it

is recommended that %ou bacup to a local folder and cop% these bacup filesto a remote share!


3

dbbackup readme

Documents