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SPMS MTCEPERF index descriptions
Basic index DDUMOUT
Section
TERMNALS
Description
Disk drive unit manual outage
Definition
The unavailability of disk drive units because of manual actions.
Measurement list
DDUMOUT uses the sum of DDU measurement DDUMBUSY.
Normalizer
DDUMOUT is normalized per working disk drive unit per unit time.
Diagnostics
Verify OM group DDU (DDUMBUSY) and ensure that these results agree
with manual maintenance being performed on DDUs.
297-1001-330 Standard 11.04 June 1998
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