You work as a database administrator for Certkiller .com. Your database is functional. One of the disks containing a mirrored redo log member has bad sectors in it. You are unable to fix the damaged file. How does the loss of a redo log member affect the instance of the database that is currently running？（）
- AThe instance would normally abort.
- BThe instance would not be affected.
- CThe instance would be invalid， so would have to be aborted.
- DThe instance would remain open， but the LGWR process would fail.
- EThe instance would remain open and would automatically create the missing file