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Storage System node

A Storage System node represents a single storage array chassis. It is the container node for the other nodes modeling the structure of storage entities.

Creation/update

A Storage System 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 onboard controller of the storage array chassis
  • Directly discovered storage using SNMP triggered by the creation or update of a Storage Device node representing the onboard controller of the storage array chassis

Removal

The removal of a Storage System node is governed by aging in the same way as Host nodes. However, in the case of the Storage System, it is the relationships between the Storage System and its manager that are aged. The manager is either:

  • The SI representing the management software
  • The Storage Device representing the onboard controller of the storage array chassis

Case 1 - Single manager

When the manager is scanned and the Storage System is no longer discovered, the management relationship begins to age. If it is not discovered in ten days and seven scans (the default), the relationship is removed. If the Storage System has no relationships to a manager, then it is removed.

Case 2 - Multiple managers

Where a Storage System has multiple managers, SIs, Storage Devices, or both, each management relationship ages in the same way as the single manager case. If the Storage System is no longer discovered through a manager, then the relationship between that manager and the Storage System begins to age, and after ten days and seven scans, the relationship is removed. If during this time, the Storage system has been successfully discovered at each scan through a different manager, then the relationship between that manager and the Storage System does not age. Consequently, the Storage System still has a relationship with a manager, and is not removed. When all relationships have been removed, the Storage System is removed too.

When a StorageSystem is removed, all of the nodes it contains are removed. This is Containment Removal, see Containment Removal.

Storage System node attributes

The attributes of a Storage System node are as described in the following table:

UI Name
Attribute Name and Type

Description

Type
type string

Storage System type.

Storage Access Mechanisms
access_types : list string

Storage access mechanisms.

Model
model string

Device model.

Vendor
vendor string

Device manufacturer.

Serial Number
serial string

Serial number.

World Wide Node Name
wwnn string

World Wide Node Name.

Software Version
sw_version string

Software version.

Total Disk Space
total_disk_space int

Total disk space.

Total Capacity
total_capacity int

Total capacity.

Total Consumed Capacity
total_consumed_capacity int

Total consumed capacity.

Total Subscribed Capacity
total_subscribed_capacity int

Total subscribed capacity.

Allocated Capacity
allocated_capacity int

Allocated capacity.

Available Capacity
available_capacity int

Available capacity.

Backend Storage Capacity
backend_storage_capacity int

Backend storage capacity.

Not displayed in UI
__all_ip_addrs list:string

Internal attribute to aid searching Devices by IP address.

Not displayed in UI
__all_dns_names list:string

Internal attribute to aid searching Devices by name.

Key
key string

Globally unique key.

Name
name string

Primary name.

Short Name
short_name string

Short name.

Description
description string

Description of the element.

URL
url string

URL for information about the element.

Business Continuity Critical
business_continuity_critical boolean

If true, element is critical to operation of the business.

Supported by 3rd Party
third_party_support boolean

True if the element is supported by a third party.

Synonyms
synonyms list:string

Other names for the element.

Storage System node relationships

The relationships of a Storage System node are as described in the following table:

UI name

Relationship

Description

Storage Pools

StorageSystem:
Container:
Containment:
ContainedPool:
StoragePool

Pools for this StorageSystem.

Storage Volumes

StorageSystem:
Container:
Containment:
ContainedVolume:
StorageVolume

Volumes for this StorageSystem.

Disk Drives

StorageSystem:
Container:
Containment:
ContainedDrive:
DiskDrive

Disk drives for this StorageSystem.

Storage Device

StorageSystem:
ManagedElement:
Management:
Manager:
StorageDevice

Storage device of this Storage System.

Managed By

StorageSystem:
ManagedElement:
Management:
Manager:
SoftwareInstance

Software Instances that manage this Storage System.

Managed By

StorageSystem:
ManagedElement:
Management:
Manager:
NetworkDevice

NetworkDevices that manage this Storage System.

Storage Processors

StorageSystem:
Container:
Containment:
ContainedProcessor:
StorageProcessor

Storage Processors for this Storage System.

File Systems

StorageSystem:
Mounter:
FileSystemMount:
MountedFileSystem:
FileSystem

File Systems available on this storage.

Failover Group

StorageSystem:
ContainedInstance:
Containment:
Container:
StorageSystemGroup

The group that this Storage system is part of.

Not displayed in UI

StorageSystem:
AttachmentContainer:
Attachment:
Attachment:
Attachment

A file attached to this element.

Status

StorageSystem:
ElementInCategory:
ElementCategory:
Category:
LifecycleStatus

The lifecycle status of this element.

Recovery Time

StorageSystem:
ElementInCategory:
ElementCategory:
Category:
RecoveryTime

The recovery time specified for this element.

Family

StorageSystem:
ElementInCategory:
ElementCategory:
Category:
Family

Family of this element.

Organizational Unit

StorageSystem:
OwnedItem:
Ownership:
Owner:
OrganisationalUnit

The Organizational Unit that this element belongs to.

Location

StorageSystem:
ElementInLocation:
Location:
Location:
Location

Location of this element.

Support Manager

StorageSystem:
OwnedItem:
Ownership:
SupportOwner:
Person

The person or owner responsible for the support of this element.

Business Owner

StorageSystem:
OwnedItem:
Ownership:
BusinessOwner:
Person

The person or owner responsible for this element from a business perspective.

IT Owner

StorageSystem:
OwnedItem:
Ownership:
ITOwner:
Person

The person or owner responsible for this element from an IT perspective.

Storage Volume Mirrors

StorageSystem:
Container:
Containment:
ContainedVolume:
StorageVolumeMirror

Volume Mirrors for this StorageSystem.

Managed By

StorageSystem:
ManagedElement:
Management:
Manager:
Host

Hosts that manage this Storage System.

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