The mode option changes the status column in sysdevices to indicate that mirroring has been disabled (see Chapter 7, “Initializing Database Devices,” in the System Administration Guide: Volume 1). Its effects on the phyname and mirrorname columns in sysdevices depend on the side argument also, as shown in Table 2-1.
side |
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primary |
secondary |
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mode |
remove |
Name in mirrorname moved to phyname and mirrorname set to null; status changed |
Name in mirrorname removed; status changed |
retain |
Names unchanged; status changed to indicate which device is being deactivated |
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This example suspends the operation of the primary device:
disk unmirror name = "tranlog", side = "primary"
