NUMBER OF COPIES field (TWOACTV subsystem parameter)
The TWOACTV subsystem parameter specifies the number of copies of the active log that Db2 is to maintain: 1 (single logging) or 2 (dual logging).
| Acceptable values: | 1, 2 |
|---|---|
| Default: | 2 |
| Update: | option 8 on panel DSNTIPB; not during migration |
| DSNZPxxx: | DSN6LOGP TWOACTV |
Dual logging increases reliability of recovery. If your Db2 subsystem creates copies of the archive log on tape, two tape drives must be available during the offload process.