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Merge pull request #294165 from stevenmatthew/imani020525
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articles/storage/common/storage-failover-customer-managed-planned.md

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@@ -63,11 +63,11 @@ Under normal circumstances, a client writes data to a storage account in the pri
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### The planned failover process (GRS/RA-GRS)
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Begin disaster recovery testing by initiating a failover of your storage account to the secondary region. The following steps describe the failover process, and the subsequent image provides illustration:
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Begin disaster recovery testing by initiating a failover of your storage account to the secondary region. The following describes steps within the planned failover process, and the subsequent image provides illustration:
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1. The original primary region becomes read only.
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1. Replication of all data from the primary region to the secondary region completes.
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1. DNS entries for storage service endpoints in the secondary region are promoted and become the new primary endpoints for your storage account.
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- The primary region temporarily loses both read and write access. RA-GRS or RA-GZRS users will continue to have read access to their secondary region.
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- Replication of all data from the primary region to the secondary region completes.
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- DNS entries for storage service endpoints in the secondary region are promoted and become the new primary endpoints for your storage account.
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The failover typically takes about an hour.
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After testing is complete, perform another failover to failback to the original primary region. During the failover process, as shown in the following image:
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1. The original primary region becomes read only.
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1. All data finishes replicating from the current primary region to the current secondary region.
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1. The DNS entries for the storage service endpoints are changed to point back to the region that was the primary before the initial failover was performed.
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- The primary region temporarily loses both read and write access. RA-GRS or RA-GZRS users will continue to have read access to their secondary region.
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- All data finishes replicating from the current primary region to the current secondary region.
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- The DNS entries for the storage service endpoints are changed to point back to the region that was the primary before the initial failover was performed.
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The failback typically takes about an hour.
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### The planned failover process (GZRS/RA-GZRS)
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Begin disaster recovery testing by initiating a failover of your storage account to the secondary region. The following steps describe the failover process, and the subsequent image provides illustration:
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Begin disaster recovery testing by initiating a failover of your storage account to the secondary region. The following describes steps within the planned failover process, and the subsequent image provides illustration:
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1. The current primary region becomes read only.
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1. All data finishes replicating from the primary region to the secondary region.
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1. Storage service endpoint DNS entries are switched. Your storage account's endpoints in the secondary region become your new primary endpoints.
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- The current primary region becomes read only.
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- All data finishes replicating from the primary region to the secondary region.
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- Storage service endpoint DNS entries are switched. Your storage account's endpoints in the secondary region become your new primary endpoints.
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The failover typically takes about an hour.
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When testing is complete, perform another failover to fail back to the original primary region. The following image illustrates the steps involved in the failover process.
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1. The current primary region becomes read only.
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1. All data finishes replicating from the current primary region to the current secondary region.
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1. The DNS entries for the storage service endpoints are changed to point back to the region that was the primary before the initial failover was performed.
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- The current primary region becomes read only.
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- All data finishes replicating from the current primary region to the current secondary region.
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- The DNS entries for the storage service endpoints are changed to point back to the region that was the primary before the initial failover was performed.
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The failback typically takes about an hour.
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