To perform a warm restore, the database server must operate in online or quiescent mode.
You must log in as user informix or root to use ontape. To restore selected storage spaces, execute the ontape command, with the options that the following example shows:
ontape -r -D dbspace1 dbspace2
You cannot restore critical dbspaces during a warm restore; you must restore them as part of a cold restore, described in Restoring the Whole System.
During the restore, ontape prompts you to mount tapes with the appropriate backup files.
At the end of the warm restore, the storage spaces that were down go online.
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