What is the cause of the following EMS messages? \ODS3 02/09/00 11:00:27 AM XLdevName
“$D05002” TANDEM.STORAGE.G05 STOP-Command-Executed 1014 \ODS3 02/09/0011:00:28
AM Ldev-Number 235 TANDEM.DISK.G05 Drive-Down 5015

A.
disk hardware failure
B.
SCSI controller failure
C.
disk downed by operator
D.
disk process halt due to internal software error