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These metrics describe the performance of an EqualLogic array’s network and an Isilon array’s internal and external networks.
Current operational speed of the port link.
currentSpeedMb
Rated maximum speed of the port
maxSpeedMb
Number of incorrectly received data packets divided by the total number of received packets, expressed as a percentage.
packetErrorPercent
Bytes per second received through a port or group of ports.
bytesWrite
Bytes per second sent through a port or group of ports.
bytesRead
= Rcv Data Rate / Link Speed
bytesWriteUtilization
= Send Data Rate / Link Speed
bytesReadUtilization
Also NW Rcv Util (% of max)
= Rcv Data Rate / Max Port Speed
bytesWriteUtilizationMax
Also NW Send Util (% of max)
= Send Data Rate / Max Port Speed
bytesReadUtilizationMax
The selection of capacity metrics displayed in any given dashboard depends on the selected device type and the metrics available from the device vendor. The following tables define each metric and shows the topology name for the metric. You need the topology name when referencing the metric in user-defined rules and dashboards.
Capacity metrics are organized into the following categories:
The following table contains the capacity metrics you may see displayed for storage arrays, members/nodes, and pools.
Also Advertised LUNs Size
Sum of the Advertised LUN Size for all LUNs in the entity.
conf_LunSize
Capacity available in the pool that has not been committed to data, snapshots, or thick-provisioned LUNs. Raw counts all the disk blocks available, before applying RAID.
raw_available
Also Available Capacity
Capacity available in the pool that has not been committed to data, snapshots, or thick-provisioned LUNs. Usable means after applying RAID.
conf_available
Also Provisioned to LUNs
Capacity used for LUN data. Does not include capacity that is used for snapshots, reserves, etc.
Formerly displayed as Consumed Capacity.
Array:
lun_usable_capacity
Pool:
conf_used
= Total Advertised LUNs Size – Total Usable Capacity
Overcommitment reflects the minimum additional capacity needed in the pool to support the advertised capacity promised to thin-provisioned LUNs. When the value of overcommitment is greater than zero, you run the risk of I/O writes failing because of insufficient physical storage to support the demand.
Overcommitment is available only for arrays where the vendor provides the total usable capacity.
conf_LunOvercommitted
Sum of the sizes of the disks in the array. This includes spares.
disk_capacity
Total capacity of the pool in raw terms. Raw counts all the disk blocks allocated to the pool, before applying RAID.
raw_capacity
Total capacity of the pool or member/node in usable terms. Pools that are defined with a specific RAID level have this metric. Pools that can support LUNs with different RAID levels do not have this metric.
conf_capacity
= Total Usable Capacity - Available Usable Capacity.
= Used Capacity / Total Usable Capacity
Percentage of the member/node's usable capacity that has been used.
Calculated
EqualLogic Pools-Members tab only.
Percentage of the pool storage capacity provided by a pool member.
Isilon arrays provide additional metrics to describe the Isilon OneFS file system (IFS) capacity in terms of hard disk drive (HDD) and solid state drive (SSD) capacity.
Raw capacity of the hard drives in the array, as reported by the vendor.
raw_capacity_HDD
Raw capacity of the solid-state drives in the array, as reported by the vendor.
raw_capacity_SSD
Total capacity of the Isilon File System.
pool_capacity_conf
Pool: conf_capacity
= Total HDD Capacity + Total SSD Capacity
Capacity of the Isilon File System on a pool or member/node.
Also IFS Free
Free capacity of Isilon File system.
pool_free_conf
Pool and member:
= IFS Capacity - IFS Capacity: Free
Capacity of Isilon File System on hard disk drives in an array, pool, or node.
conf_capacity_HDD
Free capacity of Isilon File System on hard disk drives in an array, pool, or node.
conf_available_HDD
= IFS Capacity: HDD Total - IFS Capacity: HDD Free
Capacity of Isilon File System on solid state drives in an array, pool, or node.
conf_capacity_SSD
Free capacity of Isilon File System on solid state drives in an array, pool, or node.
conf_available_SSD
= IFS Capacity: SDD Total - IFS Capacity: SDD Free
= IFS Capacity: HDD Free / IFS Capacity: HDD Total
conf_pct_available_HDD
= IFS Capacity: SDD Free / IFS Capacity: SDD Total
conf_pct_available_SSD
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