HP 3PAR Cage Test

Drive Chassis, also referred to as Drive Cages are intelligent, switched, hyper-dense drive enclosures that serve as the capacity building block within the HP 3PAR Storage system. A single HP 3PAR Storage system can accommodate up to 48 Drive Chassis and scale from 16 to 1,920 drives online and non-disruptively. Each Drive Chassis consumes four EIA rack units in a 19-inch rack. Each Drive Chassis can be loaded with ten drive magazines holding four one-inch high drives. Because each Drive Chassis can hold up to 40 drives, a single Drive Chassis can pack up to 80 TB of data in just seven inches of rack space when using 2-TB Nearline (enterprise SATA) disk drives.

Each Drive Chassis may contain one or more physical drive types:

  • Solid State Drives (SSDs) to meet even the most stringent performance demands
  • Fiber Channel disk drives to meet high performance or capacity demands
  • Nearline (enterprise SATA) disk drives to meet capacity demands at the lowest cost

If one or more drive chassis fails, the capacity of the storage system may be reduced drastically thus lowering the overall efficiency of the storage system. In order to maintain the efficiency of the storage system, it is important for the administrators to constantly monitor the health and operational state of each drive chassis in the HP 3PAR Storage system The HP 3PAR Cage test helps administrators in this regard.

This test auto discovers the drive chassis i.e., drive cages of the HP 3PAR storage system and for each drive cage, this test reports the health and operational state. In addition, this test helps administrators to identify the type of each drive cage and its enclosure ID.

Target of the test : A HP 3PAR Storage system

Agent deploying the test : A remote agent

Outputs of the test : One set of results for each cage on the storage system.

Configurable parameters for the test
Parameter Description

Test Period

How often should the test be executed.

Host

The IP address of the Storage system.

Port

The port number at which the Storage system listens. The default is NULL.

User and Password

Specify the credentials of a user who has the right to execute API commands on the storage device and pull out metrics. To monitor the HP 3PAR Storage system,  you will have to provide the credential of a user who has been assigned the Monitor role.

Confirm Password

Confirm the password by retyping it here.

SSL

Set this flag to True, if the storage system being monitored is SSL-enabled. By default this flag is set to False.

IsEmbedded

By default, the target HP 3PAR Storage system is embedded within the storage platform. Therefore, this flag is set to True, by default.

CIM Server Port

The SMI–S provider of the HP 3PAR Storage system provides access for monitoring and management via the HTTP and HTTPS protocols for CIM API request/response semantics. To enable the eG agent to access the SMI-S Provider, invoke the CIM API commands, and collect the required metrics, you need to specify the service port on the SMI- S provider in the CIM Server Port text box that listens for HTTP/HTTPS requests for CIM API semantics. By default, this is port 5988. If the service port on the SMI-S Provider listens only to HTTPS requests, then specify the port as 5989.

Measurements made by the test
Measurement Description Measurement Unit Interpretation

Health state

Indicates the current health of this cage.

 

The values that this measure can report and their corresponding numeric values are discussed in the table below:

Numeric Value Measure Value
0 OK
1 Unknown
2 Degraded/Warning
3 Minor failure
4 Major failure
5 Critical failure
6 Non-recoverable error

Note:

By default, this measure reports the Measure Values discussed above to indicate the health of each cage. The graph of this measure however, represents the state of the batteries using the numeric equivalents only.

Operational status

Indicates the current operational state of this cage.

 

The values that this measure can report and their corresponding numeric values are discussed in the table below:

Numeric Value Measure Value
0 OK
1 In Service
2 Power Mode
3 Completed
4 Starting
5 Dormant
6 Other
7 Unknown
8 Stopping
9 Stressed
10 Stopped
11 Supporting Entity in Error
12 Degraded or Predicted Failure
13 Predictive Failure
14 Lost Communication
15 No Contact
16 Aborted
17 Error
18 Non-Recoverable Error

Note:

By default, this measure reports the Measure Values discussed above to indicate the operational state of each cage. In the graph of this measure however, operational states are represented using the numeric equivalents only.

Detailed operational state

Describes the current operational state of this cage.

 

This measure will be reported only if the API provides a detailed operational state.

Typically, the detailed state will describe why the cage is in a particular operational state. For instance, if the Operational status measure reports the value Stopping for a cage, then this measure will explain why the cage is being stopped.

The values that this measure can report and their corresponding numeric values are discussed in the table below:

Numeric Value Measure Value
0 Online
1 Success
2 Power Saving Mode
3 Write Protected
4 Write Disabled
5 Not Ready
6 Removed
7 Rebooting
8 Offline
9 Failure

Note:

By default, this measure reports the Measure Values discussed above to indicate the detailed operational state of a cage. In the graph of this measure however, detailed operational states are represented using the numeric equivalents only.

Cage type

Indicates the type of this cage.

 

The values that this measure can report and their corresponding numeric values are discussed in the table below:

Numeric Value Measure Value
0 Unknown
2 DC1
3 DC2
4 DC3
5 DC4
6 DCS1
7 DCS2
8 DCN1

Note:

By default, this measure reports the Measure Values discussed above indicate the type of a cage. In the graph of this measure however, the cage types are represented using the numeric equivalents only.

Enclosure ID

Indicates the enclosure ID of this cage.

Number