IBM E16RMLL-I Implementation Guide - Page 304
Defining backup copy groups
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tsm: ATLANTIC> define mgmtclass server server special migdestination=NONE description="Special management class for Server domain" ANR1520I Management class SPECIAL defined in policy domain SERVER, set SERVER. tsm: ATLANTIC> define mgmtclass server server image migdestination=NONE description="Image management class for Server domain" ANR1520I Management class IMAGE defined in policy domain SERVER, set SERVER. tsm: ATLANTIC> define mgmtclass workstn workstn data migdestination=NONE description="Default management class for Workstn domain" ANR1520I Management class DATA defined in policy domain WORKSTN, set WORKSTN. tsm: ATLANTIC> assign defmgmtclass workstn workstn data ANR1538I Default management class set to DATA for policy domain WORKSTN, set WORKSTN. tsm: ATLANTIC> define mgmtclass workstn workstn directory migdestination=NONE description="Directory management class for Workstn domain" ANR1520I Management class DIRECTORY defined in policy domain WORKSTN, set WORKSTN. tsm: ATLANTIC> define mgmtclass workstn workstn special migdestination=NONE description="Special management class for Workstn domain" ANR1520I Management class SPECIAL defined in policy domain WORKSTN, set WORKSTN. tsm: ATLANTIC> define mgmtclass workstn workstn image migdestination=NONE description="Image management class for Workstn domain" ANR1520I Management class IMAGE defined in policy domain WORKSTN, set WORKSTN. 7.1.4 Defining backup copy groups The reasons for creating two domains (WORKSTN and SERVER) are clearly illustrated in the backup copy group parameters. The two domains differ in the following ways: VEREXISTS: The WORKSTN domain only maintains two copies of existing data, as compared to three copies in the SERVER domain. RETEXTRA: The WORKSTN domain only keeps extra inactive copies for 30 days, as compared to 100 days in the SERVER domain. RETONLY: The WORKSTN domain keeps the last copy of deleted data for 30 days, as compared to 100 days in the SERVER domain. 274 IBM Tivoli Storage Manager Implementation Guide