Storage

25 KPIs

# of FTE per size of storage under management

% of (assigned) disk space quota used

% of failed system transactions

% of outage due to changes (planned unavailability)

[Outage due to planned changes] percentage of [total Outage]

% of outage due to incidents (unplanned unavailability)

% of physical backup / archive media that are fully encrypted

% of system transactions executed within response time threshold

% of system transactions executed within response time threshold during peak-time

Availability (excluding planned downtime)

[Actual uptime] percentage of [Planned uptime]

Average response time of transactions

Average storage/disk read time

Average storage/disk seek time

Average storage/disk transfer rate

Average storage/disk write time

[1 - (Availability/100)] X 365 X 24 X 60

Maximum response time of transactions

Mean time to provision

Mean Time to Repair (MTTR)

Average of time between resolution of incident and start of incident

Mean-time between failure (MTBF)

Power draw % by storage

Storage Asset Efficiency %

asset efficiency = (current capacity X average utilization) / reference capacity

Storage/disk capacity

Storage/disk rotation speed

Unit costs of IT service(s)

[cost of providing IT service] divided by [number of units e.g. application transactions, storage GB, number of email accounts, etc.]