E-Series Metrics

This document describes which E-Series metrics are collected and what those metrics are named in Harvest, including:

Details about which Harvest metrics each dashboard uses. These can be generated on demand by running bin/harvest grafana metrics. See #1577 for details.

Creation Date : 2026-Apr-05
E-Series Version: 11.80.0

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Understanding the structure¶

Below is an annotated example of how to interpret the structure of each of the metrics.

eseries_volume_read_ops Name of the metric exported by Harvest

Volume read I/O operations per second. Description of the E-Series metric

API will be REST since E-Series uses the REST API
Endpoint name of the REST API endpoint used to collect this metric
Metric name of the E-Series counter
Template path of the template that collects the metric

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	readOps	conf/eseriesperf/11.80.0/volume.yaml

Metrics¶

eseries_array_cache_hit_ops¶

Total number of IO operations that hit cache on the array

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`cacheHitsIopsTotal`	conf/eseriesperf/11.80.0/array.yaml

The eseries_array_cache_hit_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Array	Highlights	timeseries	Top $TopResources Arrays by Cache Hit IOPS

eseries_array_drive_count¶

Total number of drives in the storage array

API	Endpoint	Metric	Template
REST	`storage-systems`	`driveCount`	conf/eseries/11.80.0/array.yaml

eseries_array_free_pool_space¶

Free space available in storage pools in bytes

API	Endpoint	Metric	Template
REST	`storage-systems`	`freePoolSpace`	conf/eseries/11.80.0/array.yaml

The eseries_array_free_pool_space metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Array	Capacity	timeseries	Top $TopResources Systems by Storage Capacity Used %
E-Series: Array	Capacity	timeseries	Top $TopResources Systems by Free Space

eseries_array_host_spares_used¶

Number of hot spare drives currently in use

API	Endpoint	Metric	Template
REST	`storage-systems`	`hostSparesUsed`	conf/eseries/11.80.0/array.yaml

eseries_array_labels¶

This metric provides information about E-Series storage arrays.

API	Endpoint	Metric	Template
REST	`storage-systems`	`Harvest generated`	conf/eseries/11.80.0/array.yaml

The eseries_array_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Array	Capacity	table	Array Configuration

eseries_array_read_data¶

Array-wide read data throughput in bytes per second

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`readBytesTotal`	conf/eseriesperf/11.80.0/array.yaml

The eseries_array_read_data metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Array	Highlights	timeseries	Top $TopResources Arrays by Read Throughput

eseries_array_read_ops¶

Array-wide read I/O operations per second

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`readIopsTotal`	conf/eseriesperf/11.80.0/array.yaml

The eseries_array_read_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Array	Highlights	timeseries	Top $TopResources Arrays by Read IOPS

eseries_array_tray_count¶

Number of drive trays in the storage array

API	Endpoint	Metric	Template
REST	`storage-systems`	`trayCount`	conf/eseries/11.80.0/array.yaml

eseries_array_unconfigured_space¶

Unconfigured space available in the storage array in bytes

API	Endpoint	Metric	Template
REST	`storage-systems`	`unconfiguredSpace`	conf/eseries/11.80.0/array.yaml

The eseries_array_unconfigured_space metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Array	Capacity	timeseries	Top $TopResources Systems by Unconfigured Space

eseries_array_used_pool_space¶

Used space in storage pools in bytes

API	Endpoint	Metric	Template
REST	`storage-systems`	`usedPoolSpace`	conf/eseries/11.80.0/array.yaml

The eseries_array_used_pool_space metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Array	Capacity	timeseries	Top $TopResources Systems by Storage Capacity Used %
E-Series: Array	Capacity	timeseries	Top $TopResources Systems by Used Space

eseries_array_write_data¶

Array-wide write data throughput in bytes per second

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`writeBytesTotal`	conf/eseriesperf/11.80.0/array.yaml

The eseries_array_write_data metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Array	Highlights	timeseries	Top $TopResources Arrays by Write Throughput

eseries_array_write_ops¶

Array-wide write I/O operations per second

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`writeIopsTotal`	conf/eseriesperf/11.80.0/array.yaml

The eseries_array_write_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Array	Highlights	timeseries	Top $TopResources Arrays by Write IOPS

eseries_battery_labels¶

This metric provides information about batteries.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`Harvest generated`	conf/eseries/11.80.0/hardware.yaml

The eseries_battery_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Battery	table	Battery

eseries_cache_backup_device_capacity¶

Capacity of the cache backup device in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`cacheBackupDevices.capacityInMegabytes`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_cache_backup_device_capacity metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Cache	table	Cache Backup Devices

eseries_cache_backup_device_labels¶

This metric provides information about cache backup devices.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`Harvest generated`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_cache_backup_device_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Cache	table	Cache Backup Devices

eseries_cache_memory_dimm_capacity¶

Capacity of the cache memory DIMM in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`cacheMemoryDimms.capacityInMegabytes`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_cache_memory_dimm_capacity metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Cache	table	Cache Memory DIMMs

eseries_cache_memory_dimm_labels¶

This metric provides information about cache memory DIMMs.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`Harvest generated`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_cache_memory_dimm_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Cache	table	Cache Memory DIMMs

eseries_controller_cache_hit_ops¶

Total number of IO operations that hit cache on the controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`cacheHitsIopsTotal`	conf/eseriesperf/11.80.0/controller.yaml

The eseries_controller_cache_hit_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Controller	Highlights	timeseries	Top $TopResources Controllers by Cache Hit Ops

eseries_controller_code_version_labels¶

This metric provides information about controller code versions.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`Harvest generated`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_controller_code_version_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Highlights	table	Code Versions

eseries_controller_cpu_utilization¶

Controller CPU utilization percentage

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`cpuUtilizationStats.0.sumCpuUtilization`	conf/eseriesperf/11.80.0/controller.yaml

The eseries_controller_cpu_utilization metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Controller	Highlights	timeseries	Top $TopResources Controllers by CPU Utilization

eseries_controller_drive_interface_labels¶

This metric provides information about controller drive-side interfaces.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/interfaces?channelType=driveside`	`Harvest generated`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_controller_drive_interface_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Drive Interfaces	table	Drive Interfaces

eseries_controller_host_interface_labels¶

This metric provides information about controller host-side interfaces.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/interfaces?channelType=hostside`	`Harvest generated`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_controller_host_interface_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Host Interfaces	table	Host Interfaces

eseries_controller_labels¶

This metric provides information about controllers.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`Harvest generated`	conf/eseries/11.80.0/hardware.yaml

The eseries_controller_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Controller	Controller Details	table	Controller Configuration
E-Series: Hardware	Highlights	table	Controller Configuration

eseries_controller_net_interface_labels¶

This metric provides information about controller network interfaces.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`Harvest generated`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_controller_net_interface_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Management	table	Management Ports
E-Series: Hardware	Management	table	DNS & NTP Configuration

eseries_controller_processor_memory¶

Controller processor memory size in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`controllers.processorMemorySizeMiB`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_controller_processor_memory metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Controller	Controller Details	table	Controller Cache & Memory
E-Series: Hardware	Cache	table	Controller Cache & Memory
E-Series: Hardware	Cache	timeseries	Top $TopResources Controllers by Processor Cache

eseries_controller_read_data¶

Total number of bytes read by the controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`readBytesTotal`	conf/eseriesperf/11.80.0/controller.yaml

The eseries_controller_read_data metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Controller	Highlights	timeseries	Top $TopResources Controllers by Read Throughput

eseries_controller_read_ops¶

Total number of read IO operations serviced by the controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`readIopsTotal`	conf/eseriesperf/11.80.0/controller.yaml

The eseries_controller_read_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Controller	Highlights	timeseries	Top $TopResources Controllers by Read IOPS

eseries_controller_total_cache_memory¶

Total cache memory on the controller in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`controllers.cacheMemorySize`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_controller_total_cache_memory metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Controller	Controller Details	table	Controller Cache & Memory
E-Series: Hardware	Cache	table	Controller Cache & Memory
E-Series: Hardware	Cache	timeseries	Top $TopResources Controllers by Data Cache Total

eseries_controller_used_cache_memory¶

Used cache memory on the controller in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`controllers`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_controller_used_cache_memory metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Controller	Controller Details	table	Controller Cache & Memory
E-Series: Hardware	Cache	table	Controller Cache & Memory
E-Series: Hardware	Cache	timeseries	Top $TopResources Controllers by Data Cache Used

eseries_controller_write_data¶

Total number of bytes written by the controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`writeBytesTotal`	conf/eseriesperf/11.80.0/controller.yaml

The eseries_controller_write_data metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Controller	Highlights	timeseries	Top $TopResources Controllers by Write Throughput

eseries_controller_write_ops¶

Total number of write IO operations serviced by the controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`writeIopsTotal`	conf/eseriesperf/11.80.0/controller.yaml

The eseries_controller_write_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Controller	Highlights	timeseries	Top $TopResources Controllers by Write IOPS

eseries_drive_block_size¶

Logical block size of the drive in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`drives.blkSize`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_drive_block_size metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Drives	table	Drives

eseries_drive_block_size_physical¶

Physical block size of the drive in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`drives.blkSizePhysical`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_drive_block_size_physical metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Drives	table	Drives

eseries_drive_capacity¶

Raw capacity of the drive in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`drives.rawCapacity`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_drive_capacity metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Drives	table	Drives

eseries_drive_labels¶

This metric provides information about drives.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`Harvest generated`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_drive_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Drives	table	Drives

eseries_drive_percent_endurance_used¶

Percentage of SSD endurance used for solid state drives

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`drives.ssdWearLife.percentEnduranceUsed`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_drive_percent_endurance_used metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Drives	table	Drives

eseries_fan_labels¶

This metric provides information about fans.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`Harvest generated`	conf/eseries/11.80.0/hardware.yaml

The eseries_fan_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Fan	table	Fan

eseries_host_board_labels¶

This metric provides information about IO modules (host interface cards) installed in the controllers.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`Harvest generated`	conf/eseries/11.80.0/hardware.yaml

The eseries_host_board_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	IO Module / Host Board	table	IO Module / Host Board

eseries_host_labels¶

This metric provides information about hosts connected to the storage array.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hosts`	`Harvest generated`	conf/eseries/11.80.0/host.yaml

The eseries_host_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Array	Host	table	Host Configuration

eseries_power_supply_labels¶

This metric provides information about power supplies.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`Harvest generated`	conf/eseries/11.80.0/hardware.yaml

The eseries_power_supply_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Power Supply	table	Power Supply

eseries_sfp_labels¶

This metric provides information about SFP transceivers.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`Harvest generated`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_sfp_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	SFP	table	SFP

eseries_ssd_cache_additional_capacity¶

Additional SSD cache capacity that can still be added to the array in bytes (maximum capacity minus current capacity)

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/capabilities`	`Harvest generated`	conf/eseries/11.80.0/ssd_cache.yaml (SsdCacheCapacity plugin)

The eseries_ssd_cache_additional_capacity metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Capacity	table	SSD Cache Overview
E-Series: SSD Cache	Capacity	timeseries	Top $TopResources Additional Capacity Allowed

eseries_ssd_cache_allocated_size¶

Allocated size of the SSD cache per controller in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.allocatedBytes`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_allocated_size metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Capacity	timeseries	Top $TopResources Allocated Size

eseries_ssd_cache_allocation_percent¶

SSD cache allocation percentage per controller, calculated as allocated bytes divided by total cache size (allocated + available bytes)

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`Harvest generated`	conf/eseriesperf/11.80.0/ssd_cache.yaml (SsdCacheStats plugin)

The eseries_ssd_cache_allocation_percent metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Highlights	timeseries	Top $TopResources Cache Allocation %
E-Series: SSD Cache	Capacity	timeseries	Top $TopResources Allocation %

eseries_ssd_cache_available_size¶

Available size of the SSD cache per controller in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.availableBytes`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_available_size metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Capacity	timeseries	Top $TopResources Available Size

eseries_ssd_cache_complete_cache_miss_block_ops¶

Number of complete cache miss block operations per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.completeCacheMissBlocks`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_complete_cache_miss_block_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Block Operations	timeseries	Top $TopResources Cache Miss Block Ops/s

eseries_ssd_cache_complete_cache_miss_ops¶

Number of complete cache miss operations per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.completeCacheMiss`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_complete_cache_miss_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	IOPS	timeseries	Top $TopResources Cache Miss IOPS

eseries_ssd_cache_complete_cache_miss_percent¶

Percentage of read operations that resulted in a complete cache miss per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`Harvest generated`	conf/eseriesperf/11.80.0/ssd_cache.yaml (SsdCacheStats plugin)

The eseries_ssd_cache_complete_cache_miss_percent metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Cache Hit Performance	timeseries	Top $TopResources Complete Cache Miss %

eseries_ssd_cache_current_capacity¶

Current used capacity of the SSD cache in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches`	`usedCapacity`	conf/eseries/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_current_capacity metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Capacity	table	SSD Cache Overview
E-Series: SSD Cache	Capacity	timeseries	Top $TopResources Current Capacity

eseries_ssd_cache_drive_labels¶

This metric provides information about drives assigned to an SSD cache.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/drives`	`Harvest generated`	conf/eseries/11.80.0/ssd_cache.yaml (SsdCacheCapacity plugin)

The eseries_ssd_cache_drive_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Drives	table	SSD Cache Drives

eseries_ssd_cache_drive_raw_capacity¶

Raw capacity of each drive contributing to the SSD cache in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/drives`	`rawCapacity`	conf/eseries/11.80.0/ssd_cache.yaml (SsdCacheCapacity plugin)

The eseries_ssd_cache_drive_raw_capacity metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Drives	table	SSD Cache Drives

eseries_ssd_cache_full_cache_hit_block_ops¶

Number of full cache hit block operations per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.fullCacheHitBlocks`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_full_cache_hit_block_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Block Operations	timeseries	Top $TopResources Full Cache Hit Block Ops/s

eseries_ssd_cache_full_cache_hit_ops¶

Number of full cache hit operations per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.fullCacheHits`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_full_cache_hit_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	IOPS	timeseries	Top $TopResources Full Cache Hit IOPS

eseries_ssd_cache_full_cache_hit_percent¶

Percentage of read operations that resulted in a full cache hit per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`Harvest generated`	conf/eseriesperf/11.80.0/ssd_cache.yaml (SsdCacheStats plugin)

The eseries_ssd_cache_full_cache_hit_percent metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Cache Hit Performance	timeseries	Top $TopResources Full Cache Hit %

eseries_ssd_cache_hit_percent¶

SSD cache hit percentage per controller, calculated as full cache hits divided by total I/O operations (reads + writes)

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`Harvest generated`	conf/eseriesperf/11.80.0/ssd_cache.yaml (SsdCacheStats plugin)

The eseries_ssd_cache_hit_percent metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Highlights	timeseries	Top $TopResources Cache Hit %
E-Series: SSD Cache	Cache Hit Performance	timeseries	Top $TopResources Cache Hit %

eseries_ssd_cache_invalidate_ops¶

Number of cache invalidate operations per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.invalidates`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_invalidate_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Cache Sizing	timeseries	Top $TopResources Invalidate Ops/s

eseries_ssd_cache_labels¶

This metric provides information about SSD caches.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches`	`Harvest generated`	conf/eseries/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Capacity	table	SSD Cache Overview

eseries_ssd_cache_max_capacity¶

Maximum SSD cache capacity allowed for the array in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/capabilities`	`featureParameters.maxFlashCacheSize`	conf/eseries/11.80.0/ssd_cache.yaml (SsdCacheCapacity plugin)

The eseries_ssd_cache_max_capacity metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Capacity	table	SSD Cache Overview
E-Series: SSD Cache	Capacity	timeseries	Top $TopResources Maximum Capacity Allowed

eseries_ssd_cache_partial_cache_hit_block_ops¶

Number of partial cache hit block operations per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.partialCacheHitBlocks`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_partial_cache_hit_block_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Block Operations	timeseries	Top $TopResources Partial Cache Hit Block Ops/s

eseries_ssd_cache_partial_cache_hit_ops¶

Number of partial cache hit operations per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.partialCacheHits`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_partial_cache_hit_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	IOPS	timeseries	Top $TopResources Partial Cache Hit IOPS

eseries_ssd_cache_partial_cache_hit_percent¶

Percentage of read operations that resulted in a partial cache hit per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`Harvest generated`	conf/eseriesperf/11.80.0/ssd_cache.yaml (SsdCacheStats plugin)

The eseries_ssd_cache_partial_cache_hit_percent metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Cache Hit Performance	timeseries	Top $TopResources Partial Cache Hit %

eseries_ssd_cache_populate_on_read_ops¶

Number of populate-on-read operations per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.populateOnReads`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_populate_on_read_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	IOPS	timeseries	Top $TopResources Populate-on-Read IOPS

eseries_ssd_cache_populate_on_write_ops¶

Number of populate-on-write operations per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.populateOnWrites`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_populate_on_write_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	IOPS	timeseries	Top $TopResources Populate-on-Write IOPS

eseries_ssd_cache_populated_clean_size¶

Amount of clean (unmodified) data populated in the SSD cache per controller in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.populatedCleanBytes`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_populated_clean_size metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Cache Sizing	timeseries	Top $TopResources Populated Clean Size

eseries_ssd_cache_populated_dirty_size¶

Amount of dirty (modified) data populated in the SSD cache per controller in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.populatedDirtyBytes`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_populated_dirty_size metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Cache Sizing	timeseries	Top $TopResources Populated Dirty Size

eseries_ssd_cache_read_block_ops¶

SSD cache read block operations per second per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.readBlocks`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_read_block_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Block Operations	timeseries	Top $TopResources Read Block Ops/s

eseries_ssd_cache_read_ops¶

SSD cache read operations per second per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.reads`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_read_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	IOPS	timeseries	Top $TopResources Read IOPS

eseries_ssd_cache_recycle_ops¶

Number of cache recycle operations per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.recycles`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_recycle_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Cache Sizing	timeseries	Top $TopResources Recycle Ops/s

eseries_ssd_cache_utilization_percent¶

SSD cache utilization percentage per controller, calculated as populated data (clean + dirty bytes) divided by allocated bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`Harvest generated`	conf/eseriesperf/11.80.0/ssd_cache.yaml (SsdCacheStats plugin)

The eseries_ssd_cache_utilization_percent metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Highlights	timeseries	Top $TopResources Cache Utilization %
E-Series: SSD Cache	Capacity	timeseries	Top $TopResources Utilization %

eseries_ssd_cache_volume_labels¶

This metric provides information about volumes mapped to an SSD cache.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/volumes`	`Harvest generated`	conf/eseries/11.80.0/ssd_cache.yaml (SsdCacheCapacity plugin)

The eseries_ssd_cache_volume_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Cached Volumes	table	Cached Volumes

eseries_ssd_cache_write_block_ops¶

SSD cache write block operations per second per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.writeBlocks`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_write_block_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	Block Operations	timeseries	Top $TopResources Write Block Ops/s

eseries_ssd_cache_write_ops¶

SSD cache write operations per second per controller

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/ssd-caches/{ssd_cache_id}/statistics`	`statistics.writes`	conf/eseriesperf/11.80.0/ssd_cache.yaml

The eseries_ssd_cache_write_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: SSD Cache	IOPS	timeseries	Top $TopResources Write IOPS

eseries_thermal_sensor_labels¶

This metric provides information about thermal sensors.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/hardware-inventory`	`Harvest generated`	conf/eseries/11.80.0/hardware.yaml (Hardware plugin)

The eseries_thermal_sensor_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Hardware	Thermal Sensor	table	Thermal Sensor

eseries_volume_allocated_capacity¶

Allocated capacity of the volume in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/volumes`	`totalSizeInBytes`	conf/eseries/11.80.0/volume.yaml

The eseries_volume_allocated_capacity metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Volume	Volume Table	table	Volumes

eseries_volume_block_size¶

Block size of the volume in bytes

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/volumes`	`blkSize`	conf/eseries/11.80.0/volume.yaml

The eseries_volume_block_size metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Volume	Volume Table	table	Volumes

eseries_volume_labels¶

This metric provides information about volumes.

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/volumes`	`Harvest generated`	conf/eseries/11.80.0/volume.yaml

The eseries_volume_labels metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Volume	Volume Table	table	Volumes

eseries_volume_read_cache_hit_ratio¶

Volume read cache hit ratio calculated from read hit operations and total read operations

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`Harvest Generated`	conf/eseriesperf/11.80.0/volume.yaml (CacheHitRatio plugin)

The eseries_volume_read_cache_hit_ratio metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Volume	Cache	timeseries	Top $TopResources Volumes by Read Cache Hit Ratio

eseries_volume_read_data¶

Volume read data throughput in bytes per second

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`readBytes`	conf/eseriesperf/11.80.0/volume.yaml

The eseries_volume_read_data metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Volume	Highlights	timeseries	Top $TopResources Volumes by Read Throughput

eseries_volume_read_hit_ops¶

Number of read operations that hit cache

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`readHitOps`	conf/eseriesperf/11.80.0/volume.yaml

eseries_volume_read_latency¶

Read response time average in microseconds

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`readTimeTotal`	conf/eseriesperf/11.80.0/volume.yaml

The eseries_volume_read_latency metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Volume	Highlights	timeseries	Top $TopResources Volumes by Read Latency

eseries_volume_read_ops¶

Volume read I/O operations per second

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`readOps`	conf/eseriesperf/11.80.0/volume.yaml

The eseries_volume_read_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Volume	Highlights	timeseries	Top $TopResources Volumes by Read IOPs

eseries_volume_reported_capacity¶

The capacity in bytes of the volume

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/volumes`	`capacity`	conf/eseries/11.80.0/volume.yaml

The eseries_volume_reported_capacity metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Volume	Volume Table	table	Volumes

eseries_volume_total_cache_hit_ratio¶

Volume total cache hit ratio combining read and write cache hit operations

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`Harvest Generated`	conf/eseriesperf/11.80.0/volume.yaml (CacheHitRatio plugin)

The eseries_volume_total_cache_hit_ratio metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Volume	Cache	timeseries	Top $TopResources Volumes by Total Cache Hit Ratio

eseries_volume_write_cache_hit_ratio¶

Volume write cache hit ratio calculated from write hit operations and total write operations

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`Harvest Generated`	conf/eseriesperf/11.80.0/volume.yaml (CacheHitRatio plugin)

The eseries_volume_write_cache_hit_ratio metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Volume	Cache	timeseries	Top $TopResources Volumes by Write Cache Hit Ratio

eseries_volume_write_data¶

Volume write data throughput in bytes per second

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`writeBytes`	conf/eseriesperf/11.80.0/volume.yaml

The eseries_volume_write_data metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Volume	Highlights	timeseries	Top $TopResources Volumes by Write Throughput

eseries_volume_write_hit_ops¶

Volume write cache hit operations per second

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`writeHitOps`	conf/eseriesperf/11.80.0/volume.yaml

eseries_volume_write_latency¶

Write response time average in microseconds

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`writeTimeTotal`	conf/eseriesperf/11.80.0/volume.yaml

The eseries_volume_write_latency metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Volume	Highlights	timeseries	Top $TopResources Volumes by Write Latency

eseries_volume_write_ops¶

Volume write I/O operations per second

API	Endpoint	Metric	Template
REST	`storage-systems/{array_id}/live-statistics`	`writeOps`	conf/eseriesperf/11.80.0/volume.yaml

The eseries_volume_write_ops metric is visualized in the following Grafana dashboards:

Dashboard	Row	Type	Panel
E-Series: Volume	Highlights	timeseries	Top $TopResources Volumes by Write IOPs