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# Storage System

PATROL Class: **SKM_SYSTEM** - Monitor Type: **MONITOR** - Monitor Category: **System**  
CDM Class: **BMC_ComputerSystem**** -- Instances of this monitor will be represented as devices in TrueSight Operations Management**  


Monitors a storage system.

## Attributes (Parameters)

| Name | PATROL Name | Units | Default Thresholds | Description |
| --- | --- | --- | --- | --- |
| Available Capacity | AvailableCapacity | TB | None | Available Capacity in the storage system. Type: Statistics |
| Bandwidth Utilization | BandwidthUtilization | % | None | Percentage used of the available bandwidth. Type: Statistics - Spikes expected |
| Committed Capacity | CommittedCapacity | TB | None | Number of tera bytes committed to NetApp Volumes in the Storage System. Type: Statistics |
| Configured Capacity | ConfiguredCapacity | TB | None | Configured Capacity in the Storage System. Type: Statistics |
| Consumed Capacity | ConsumedCapacity | TB | None | Consumed Capacity of the storage system. Type: Statistics |
| License Count | LicenseCount | licenses | None | License usage on the current storage system. Type: Statistics - Spikes expected |
| Metadata Used Percentage | MetadataUsedPercentage | % | None | Percentage of the Metadata used in the storage system. Type: Statistics |
| Number Of Used Disks | NumberOfUsedDisks | disks | None | Number of used Disks in the Storage System. Type: Statistics |
| Operation Rate | OperationRate | operations/s | None | Total number of operations per second performed by the storage system. Type: ** KPI** - Statistics - Spikes expected - Default graph |
| Oversubscription Situation | OversubscriptionSituation | 0 = No 1 = Yes |  ALARM if = 1 (Yes) | An Alarm is triggered when the subscribed capacity percent is greater than 100 % and the consumed capacity is higher than 75 %. Type: Statistics - Spikes expected |
| Read Byte Rate | ReadByteRate | MB/s | None | Number of read bytes per second performed by the storage system. Type: Statistics - Spikes expected |
| Read Operation Rate | ReadOperationRate | operations/s | None | Number of read operations per second performed by the storage system. Type: Statistics - Spikes expected |
| Read Response Time | ReadResponseTime | ms |  WARN if ≥ 20 ms | Average arrival-to-completion time for a host's read operation. Type: Response Time - Spikes expected |
| Replication Metadata Used Percentage | ReplicationMetaUsedPercentage | % | None | Percentage of the Metadata Replication used in the storage system. Type: Statistics |
| Response Time | ResponseTime | ms |  WARN if ≥ 20 ms | Average arrival-to-completion time for a host's read and write operations. Type: Response Time - Spikes expected |
| Spare Disk Count | SpareDiskCount | disks |  WARN if = 0 disks | Number of spare disks available in the storage system. Type: Statistics |
| Status | Status | 0 = OK 1 = Degraded 2 = Failed |  WARN if = 1 (Degraded)  ALARM if = 2 (Failed) | Status of the storage system. Type: Availability - Spikes expected |
| Status Information | StatusInformation | None | None | Detailed information about the storage system status. Type: Text |
| Subscribed Capacity | SubscribedCapacity | TB | None | Sum of the host visible capacity of all volumes. Type: Statistics |
| Transfer Byte Rate | TransferByteRate | MB/s | None | Number of read and write bytes per second performed by the storage system. Type: ** KPI** - Statistics - Spikes expected - Default graph |
| Up Time | UpTime | hours | None | Elapsed time since the storage system was turned on. Type: Statistics - Spikes expected |
| Write Byte Rate | WriteByteRate | MB/s | None | Number of write bytes per second performed by the storage system. Type: Statistics - Spikes expected |
| Write Operation Rate | WriteOperationRate | operations/s | None | Number of write operations per second performed by the storage system. Type: Statistics - Spikes expected |
| Write Response Time | WriteResponseTime | ms |  WARN if ≥ 20 ms | Average arrival-to-completion time for a host's write operation. Type: Response Time - Spikes expected |