We are excited to announce the general availability of customer managed unplanned failover for Azure Data Lake Storage (ADLS) and storage accounts with SSH File Transfer Protocol (SFTP) enabled.
Customer managed unplanned failover enables you to failover your geo-redundant (GRS) or geo-zone-redundant (GZRS) storage account to your secondary region if the storage service endpoints in the primary region become unavailable. During failover, the original secondary region becomes the new primary region. All storage service endpoints are then redirected to the new primary region while restoring write access to the storage account. After the storage service endpoint outage is resolved, you can reconfigure geo-redundancy then perform another failover operation to fail back to the original primary region.
Unplanned failover is only supported with accounts that have GRS or GZRS enabled. Previously, unplanned failover was only supported for Blobs, Tables, Files, and Queue data. We are now extending support to include Azure Data Lake Storage and SSH File Transfer Protocol enabled accounts.