IBM E16RMLL-I Implementation Guide - Page 236
Recovery log mirroring
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Number -------- 80 Database Copy Synchronization Volume C:\TSMDATA\DBM\DBM_01.DSM - 888 megabytes of 1024 tsm: LOCHNESS_SERVER1>query dbvol Volume Name Copy (Copy 1) Status C:\TSMDATA\SERV- Sync'd ER1\DB1.DSM C:\TSMDATA\DBP\- Sync'd DBV_01.DSM Volume Name (Copy 2 D:\TSMDATA\DBM\DBM_01.DSM Copy Status -----Undefined Sync'd Volume Name Copy (Copy 3) Status Undef- ined Undef- ined As soon as the copy volume is created, a background process synchronizes the data in the primary volume to the mirror. The output of query dbvol now shows the two mirror volumes and the status of each copy. The status should always be Sync'd. We can see there is still the previous database volume present, C:\TSMDATA\SERVER1\DB1.DSM, which is not mirrored. We address this in 5.7.1, "Removing the default database volume" on page 207. 5.6.2 Recovery log mirroring To mirror the recovery log, use the define logcopy administrative command or use the DSMFMT utility for each log volume you want to mirror. Example 5-13 shows how to create a mirror volume of the volume created in Example 5-3 on page 195 using define logcopy. Example 5-13 Defining and querying recovery log volume mirrors tsm: LOCHNESS_SERVER1>define logcopy d:\tsmdata\rlp\log_01.dsm c:\tsmdata\rlm\lgm_01.dsm formatsize=512 wait=yes ANR0984I Process 83 for DEFINE LOGCOPY started in the FOREGROUND at 16:36:27. ANR2262I Recovery log volume copy C:\TSMDATA\RLM\LGM_01.DSM defined; synchronization process started (process ID 84). ANR0986I Process 83 for DEFINE LOGCOPY running in the FOREGROUND processed 1 items for a total of 537,919,488 bytes with a completion state of SUCCESS at 16:36:27. tsm: LOCHNESS_SERVER1>query process Process Number -------- Process Description Status 206 IBM Tivoli Storage Manager Implementation Guide
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