Dell Compellent Storage Center

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Attributes

Name

Description

Units

Default Alert Conditions

Attribute Type

Available Capacity*

Total capacity not consumed in the storage center (unused raw space plus available capacity in disk folders).

Terabytes (TB)

None

Statistics

Back End Read Byte Rate

Read data traffic through the back-end port.

Megabytes per second (MB/s)

None

Statistics

Back End Read Operation Rate

Number of read operations through the back-end port.

Operations/s

None

Statistics

Back End Write Byte Rate

Bytes written per second to the storage center through the back-end port since the last collect.

Megabytes per second (MB/s)

None

Statistics

Back End Write Operation Rate

Number of write operations through the back-end port.

Operations/s

None

Statistics

Consumed Capacity Percentage

Percentage of the capacity that is actually consumed in the storage center.

Percentage (%)

None

Statistics

Consumed Capacity

Number of bytes actually consumed in the storage center.

Terabytes (TB)

None

Statistics

Front End Read Byte Rate

Read data traffic through the front-end port.

Megabytes per second (MB/s)

None

Statistics

Front End Read Operation Rate

Number of read operations through the front-end port.

Operations/s

None

Statistics

Front End Write Byte Rate

Bytes written per second to the storage center through the back-end port since the last collect.

Megabytes per second (MB/s)

None

Statistics

Front End Write Operation Rate

Number of write operations through the front-end port.

Operations/s

None

Statistics

Port Count

Number of ports on the Storage Center.

Note: This value can be used to know the number of required licenses for the monitoring system.

Ports

None

Statistics

Spare Disk Count

Number of unassigned disks, excluding the external disks, in the Storage Center.

Note: To avoid irrelevant alerts for a missing spare disk, a warning is only triggered on the Disk Folder class when the parameter value is equal to 0.

disks

None

Statistics

Status

Status of the Storage Center.

{0 = OK; 1 = Degraded; 2 = Failed}

Warning = 1
Alarm = 2

Availability

Subscribed Capacity Percentage

Ratio between the subscribed capacity and the disk folder capacity. Can exceed 100% for thin pools, therefore called oversubscribed.

Percentage (%)

None

Statistics

Subscribed Capacity

Sum of the host visible capacity for all volumes in the disk folder. Can be greater than the actual capacity of the storage pool for over-subscribed thin pools.

Terabytes (TB)

None

Statistics

Transfer Byte Rate KPI

Read and written data traffic (front end).

Megabytes per second (MB/s)

None

Statistics

* Attributes marked with an asterisk are used by default when visualizing the corresponding monitor instance in TrueSight OM.