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Backup methods for Domino (continued)

Although clustering is being recommend here as a backup and archiving solution the larger benefit is high availability (H/A) and fail-over should the primary server fail.

Shut down and backup
The final, and simplest, method is well known to many administrators. Domino administrators often automate server shutdown and backup with scripts such as (for Windows NT Server):

net stop lotus notes server
<backup command here>
net start lotus notes server

Network backup and restore
Large systems often demand network backups using tools like NetBackup, Enterprise ArcServe, and IBM's ADSM. However, while these systems work well on high-speed server backbones they do not work well over a WAN. More to the point, restore of several gigabytes of data over typical WAN link is unacceptably slow.

Summary
Backing up Domino presents a set of technology issues and backup requirements similar to other database systems. The crude solution is to shut down the server, back up, and bring the server back online -- but this is unacceptable where 7x24 up time is required (and since Domino is a Web server, 24/7 is the expectation). The most elegant solutions are sophisticated backup software capable of open file management and an investment in additional hardware for clustering.

Product availability and resources
Enterprise ArcServe is available from Cheyenne Software at http://www.cai.com/arcserveit/.

Veritas NetBackup is available at http://www.veritas.com.

IBM's ADSM http://www.storage.ibm.com/software/adsm/.

Charles Masino, cjm1@worldnet.att.net, is a Lotus Notes and Domino R5 CLP (Certified Lotus Professional) Application Developer and R5 CLP System Administrator, and Kedrick Jones, kedrick@swbell.com, is a Lotus Notes and Domino R4 CLS (Certified Lotus Specialist) System Administrator in the Baker Atlas/INTEQ Information Technology and Systems Department of Baker Hughes.




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