Disk Drive node

A Disk Drive node represents a physical disk drive in a storage system.

Creation/update

A Disk Drive node is created or updated when a storage entity is discovered by one of the following:

  • WBEM queries to storage management software triggered by the creation or update of an SI representing storage management software
  • Directly discovered storage using WBEM queries to the WBEM/SMI-S provider triggered by the creation or update of a Storage Device node representing the chassis
  • Directly discovered storage using SNMP triggered by the creation or update of a Storage Device node representing the chassis

Removal

A Disk Drive node is removed when its parent Storage System node is removed. This is Containment Removal.

Disk Drive node attributes

The attributes of a Disk Drive node are described in the table below.

UI Name
Attribute Name and Type

Description

Key
key string

Globally unique key.

Name
name string

Name of the disk drive.

Type
type string

Type of the disk drive.

Speed
speed int

Speed of the disk drive in RPM.

Size
size int

Size in bytes.

Vendor
vendor string

Disk drive vendor.

Model
model string

Disk drive model.

Serial Number
serial string

Disk drive serial number.

Role
role string

Role.

Current State
current_state string

Current state of the disk drive.

Virtual
virtual boolean

Virtual flag.

Disk Drive node relationships

The relationships of a Disk Drive node are described in the table below.

UI name

Relationship

Description

Storage System

DiskDrive:
ContainedDrive:
Containment:
Container:
StorageSystem

StorageSystem for this disk.

Host

DiskDrive:
ContainedDrive:
Containment:
Container:
Host

Host for this disk.

File Systems

DiskDrive:
Provider:
StorageUse:
Consumer:
FileSystem

File systems using this disk.

Physical Disks

DiskDrive:
Consumer:
StorageUse:
Provider:
DiskDrive

Physical disk for this virtual disk.

Virtual Disks

DiskDrive:
Provider:
StorageUse:
Consumer:
DiskDrive

Virtual disks using this physical disk.

Physical Volumes

DiskDrive:
Consumer:
StorageUse:
Provider:
StorageVolume

Physical storage volume for this virtual disk.

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