IBM E16RMLL-I Implementation Guide - Page 48
Client Type1, Workstation, Client Type 2, Database server
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image, and backup set requirements that should be suitable for a real-life situation. In any case, you must evaluate whether all such requirements are really important in your case and decide whether to implement them. Complete Table 2-1 using a column for data from each client being considered for this Tivoli Storage Manager implementation. Analyzing client data helps you make decisions about the Tivoli Storage Manager server environment. The information collected in the table is used for node definitions and for calculating database, recovery log, and storage pool sizes. This table is presented in a portrait orientation in the book due to space considerations. If you have a large number of nodes or use a spreadsheet version, you may find the table more workable by transposing it to a landscape orientation. Table 2-1 IBM Tivoli Storage Manager Client requirements worksheet Client Type1 Workstation Number of similar clients 20 ClientName WORKSTN1..20 Contact information John at x1645 Remote users Operating system Windows XP Total storage available (GB) 80 Total storage used (GB) 60 Total data changed per backup (GB) 6 = 10% Number of files or total GB to be backed up 3,000 * 20 = 60,000 Number of backup versions to be kept 2 Data compression .5 Backup window times 17:00-23:00 Number of hours to complete backups 14 Total recovery time frame per server 48 hours Tivoli Storage Manager restore time 24 hours Average GB copied per archive 10 * 20 = 200 Number of files archived 4,000 * 20 = 80,000 Client Type 2 Database server 4 DBSERV1..4 Nick at x3761 UNIX and AIX UNIX servers 150 100 100 = 100% 2,000 * 4 = 8,000 7 .66 22:00-04:00 6 8 hours 4 hours 4* 20 = 80 3,000 * 4 = 12,000 18 IBM Tivoli Storage Manager Implementation Guide
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