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Take care to correctly set log path after DB6 redirect restore

Hello community,

As you know, we need to update the following log related parameters such as OVERFLOWLOGPATH \ MIRRORLOGPATH after DB6 redirect restore. However, you may set them wrong if you do this thing the first time.

You may hold the idea that I can refer to the log settings in the source system to set them in the target system 🙂 , so you check the configurations on source system and they look like that:

source_host:db2src 50> db2 get db cfg for src | grep -i log

Path to log files                                       = /db2/SRC/log_dir/NODE0000/LOGSTREAM0000/

Overflow log path                     (OVERFLOWLOGPATH) = /db2/SRC/db2overflow/NODE0000/LOGSTREAM0000/

Mirror log path                         (MIRRORLOGPATH) = /db2/SRC/log_dir2/NODE0000/LOGSTREAM0000/

HOWEVER, you should not just update them with the value above.

The right way should be:

target_host:db2tgr 120> db2 update db cfg for tgr using MIRRORLOGPATH /db2/TGR/log_dir2

target_host:db2tgr 120> db2 update db cfg for tgr using FAILARCHPATH /db2/TGR/log_fail/


It takes me some effort to change back after facing the wrong settings.

Digressions: Update parameter NEWLOGPATH to /db2/TGR/log_dir within the generated restore script before execute it on target system.

Wish this blog can help you to avoid such kind of thing. 🙂

Best Regards,

Ning Tong

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