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Storage Accounts - Failover

A failover request can be triggered for a storage account in the event a primary endpoint becomes unavailable for any reason. The failover occurs from the storage account's primary cluster to the secondary cluster for RA-GRS accounts. The secondary cluster will become primary after failover and the account is converted to LRS. In the case of a Planned Failover, the primary and secondary clusters are swapped after failover and the account remains geo-replicated. Failover should continue to be used in the event of availability issues as Planned failover is only available while the primary and secondary endpoints are available. The primary use case of a Planned Failover is disaster recovery testing drills. This type of failover is invoked by setting FailoverType parameter to 'Planned'. Learn more about the failover options here- https://learn.microsoft.com/en-us/azure/storage/common/storage-disaster-recovery-guidance

POST https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Storage/storageAccounts/{accountName}/failover?api-version=2023-05-01
POST https://management.azure.com/subscriptions/{subscriptionId}/resourceGroups/{resourceGroupName}/providers/Microsoft.Storage/storageAccounts/{accountName}/failover?api-version=2023-05-01&failoverType=Planned

URI Parameters

Name In Required Type Description
accountName
path True

string

The name of the storage account within the specified resource group. Storage account names must be between 3 and 24 characters in length and use numbers and lower-case letters only.

Regex pattern: ^[a-z0-9]+$

resourceGroupName
path True

string

The name of the resource group within the user's subscription. The name is case insensitive.

Regex pattern: ^[-\w\._\(\)]+$

subscriptionId
path True

string

The ID of the target subscription.

api-version
query True

string

The API version to use for this operation.

failoverType
query

failoverType

The parameter is set to 'Planned' to indicate whether a Planned failover is requested.

Responses

Name Type Description
200 OK

OK -- Returned when the storage account failover is completed, and the secondary cluster has become primary.

202 Accepted

Accepted -- Failover request accepted; operation will complete asynchronously.

Security

azure_auth

Azure Active Directory OAuth2 Flow

Type: oauth2
Flow: implicit
Authorization URL: https://login.microsoftonline.com/common/oauth2/authorize

Scopes

Name Description
user_impersonation impersonate your user account

Examples

StorageAccountFailover
StorageAccountFailoverPlanned

StorageAccountFailover

Sample request

POST https://management.azure.com/subscriptions/{subscription-id}/resourceGroups/res4228/providers/Microsoft.Storage/storageAccounts/sto2434/failover?api-version=2023-05-01&failoverType=Planned

Sample response

Location: https://endpoint:port/subscriptions/{subscription-id}/providers/Microsoft.Storage/locations/{location}/asyncoperations/{operationid}?monitor=true&api-version=2022-09-01

StorageAccountFailoverPlanned

Sample request

POST https://management.azure.com/subscriptions/{subscription-id}/resourceGroups/res4228/providers/Microsoft.Storage/storageAccounts/sto2434/failover?api-version=2023-05-01&failoverType=Planned

Sample response

Location: https://endpoint:port/subscriptions/{subscription-id}/providers/Microsoft.Storage/locations/{location}/asyncoperations/{operationid}?monitor=true&api-version=2022-09-01

Definitions

failoverType

The parameter is set to 'Planned' to indicate whether a Planned failover is requested.

Name Type Description
Planned

string