Add support for preserve ACL between Gen2

Author: linda33wj

articles/data-factory/connector-azure-data-lake-storage.md

@@ -10,7 +10,7 @@ ms.service: data-factory
 ms.workload: data-services
 ms.topic: conceptual
 ms.custom: seo-lt-2019
-ms.date: 02/17/2020
+ms.date: 03/24/2020
 ---
 
 # Copy and transform data in Azure Data Lake Storage Gen2 using Azure Data Factory
@@ -34,7 +34,7 @@ For Copy activity, with this connector you can:
 - Copy data from/to Azure Data Lake Storage Gen2 by using account key, service principal, or managed identities for Azure resources authentications.
 - Copy files as-is or parse or generate files with [supported file formats and compression codecs](supported-file-formats-and-compression-codecs.md).
 - [Preserve file metadata during copy](#preserve-metadata-during-copy).
-- [Preserve ACLs](#preserve-metadata-during-copy) when copying from Azure Data Lake Storage Gen1.
+- [Preserve ACLs](#preserve-acls) when copying from Azure Data Lake Storage Gen1/Gen2.
 
 >[!IMPORTANT]
 >If you enable the **Allow trusted Microsoft services to access this storage account** option on Azure Storage firewall settings and want to use Azure integration runtime to connect to your Data Lake Storage Gen2, you must use [managed identity authentication](#managed-identity) for ADLS Gen2.
@@ -375,13 +375,13 @@ This section describes the resulting behavior of the copy operation for differen
 
 When you copy files from Amazon S3/Azure Blob/Azure Data Lake Storage Gen2 to Azure Data Lake Storage Gen2/Azure Blob, you can choose to preserve the file metadata along with data. Learn more from [Preserve metadata](copy-activity-preserve-metadata.md#preserve-metadata).
 
-## Preserve ACLs from Data Lake Storage Gen1
+## <a name="preserve-acls"></a> Preserve ACLs from Data Lake Storage Gen1/Gen2
+
+When you copy files from Azure Data Lake Storage Gen1/Gen2 to Gen2, you can choose to preserve the POSIX access control lists (ACLs) along with data. Learn more from [Preserve ACLs from Data Lake Storage Gen1/Gen2 to Gen2](copy-activity-preserve-metadata.md#preserve-acls).
 
 >[!TIP]
 >To copy data from Azure Data Lake Storage Gen1 into Gen2 in general, see [Copy data from Azure Data Lake Storage Gen1 to Gen2 with Azure Data Factory](load-azure-data-lake-storage-gen2-from-gen1.md) for a walk-through and best practices.
 
-When you copy files from Azure Data Lake Storage Gen1 to Gen2, you can choose to preserve the POSIX access control lists (ACLs) along with data. Learn more from [Preserve ACLs from Data Lake Storage Gen1 to Gen2](copy-activity-preserve-metadata.md#preserve-acls).
-
 ## Mapping data flow properties
 
 When transforming data in mapping data flow, you can read and write files from Azure Data Lake Storage Gen2 in JSON, Avro, Delimited Text, or Parquet format. For more information, see [source transformation](data-flow-source.md) and [sink transformation](data-flow-sink.md) in the mapping data flow feature.

articles/data-factory/copy-activity-preserve-metadata.md

@@ -10,7 +10,7 @@ ms.reviewer: douglasl
 ms.service: data-factory
 ms.workload: data-services
 ms.topic: conceptual
-ms.date: 12/12/2019
+ms.date: 03/24/2020
 ms.author: jingwang
 
 ---
@@ -36,7 +36,7 @@ Here's an example of copy activity JSON configuration (see `preserve`):
 ```json
 "activities":[
     {
-        "name": "CopyFromGen1ToGen2",
+        "name": "CopyAndPreserveMetadata",
         "type": "Copy",
         "typeProperties": {
             "source": {
@@ -72,9 +72,9 @@ Here's an example of copy activity JSON configuration (see `preserve`):
 ]
 ```
 
-## <a name="preserve-acls"></a> Preserve ACLs from Data Lake Storage Gen1 to Gen2
+## <a name="preserve-acls"></a> Preserve ACLs from Data Lake Storage Gen1/Gen2 to Gen2
 
-When you upgrade from Azure Data Lake Storage Gen1 to Gen2, you can choose to preserve the POSIX access control lists (ACLs) along with data files. For more information on access control, see [Access control in Azure Data Lake Storage Gen1](../data-lake-store/data-lake-store-access-control.md) and [Access control in Azure Data Lake Storage Gen2](../storage/blobs/data-lake-storage-access-control.md).
+When you upgrade from Azure Data Lake Storage Gen1 to Gen2 or copy data between ADLS Gen2, you can choose to preserve the POSIX access control lists (ACLs) along with data files. For more information on access control, see [Access control in Azure Data Lake Storage Gen1](../data-lake-store/data-lake-store-access-control.md) and [Access control in Azure Data Lake Storage Gen2](../storage/blobs/data-lake-storage-access-control.md).
 
 Copy activity supports preserving the following types of ACLs during data copy. You can select one or more types:
 
@@ -85,21 +85,21 @@ Copy activity supports preserving the following types of ACLs during data copy.
 If you specify to copy from a folder, Data Factory replicates the ACLs for that given folder and the files and directories under it, if `recursive` is set to true. If you specify to copy from a single file, the ACLs on that file are copied.
 
 >[!NOTE]
->When you use ADF to preserve ACLs from Data Lake Storage Gen1 to Gen2, the existing ACLs on Gen2's corresponding folder/files will be overwritten.
+>When you use ADF to preserve ACLs from Data Lake Storage Gen1/Gen2 to Gen2, the existing ACLs on sink Gen2's corresponding folder/files will be overwritten.
 
 >[!IMPORTANT]
 >When you choose to preserve ACLs, make sure you grant high enough permissions for Data Factory to operate against your sink Data Lake Storage Gen2 account. For example, use account key authentication or assign the Storage Blob Data Owner role to the service principal or managed identity.
 
-When you configure source as Data Lake Storage Gen1 with binary format or the binary copy option, and sink as Data Lake Storage Gen2 with binary format or the binary copy option, you can find the **Preserve** option on the **Settings** page in Copy Data Tool or on the **Copy Activity** > **Settings** tab for activity authoring.
+When you configure source as Data Lake Storage Gen1/Gen2 with binary format or the binary copy option, and sink as Data Lake Storage Gen2 with binary format or the binary copy option, you can find the **Preserve** option on the **Settings** page in Copy Data Tool or on the **Copy Activity** > **Settings** tab for activity authoring.
 
-![Data Lake Storage Gen1 to Gen2 Preserve ACL](./media/connector-azure-data-lake-storage/adls-gen2-preserve-acl.png)
+![Data Lake Storage Gen1/Gen2 to Gen2 Preserve ACL](./media/connector-azure-data-lake-storage/adls-gen2-preserve-acl.png)
 
 Here's an example of copy activity JSON configuration (see `preserve`): 
 
 ```json
 "activities":[
     {
-        "name": "CopyFromGen1ToGen2",
+        "name": "CopyAndPreserveACLs",
         "type": "Copy",
         "typeProperties": {
             "source": {
@@ -123,7 +123,7 @@ Here's an example of copy activity JSON configuration (see `preserve`):
         },
         "inputs": [
             {
-                "referenceName": "<Binary dataset name for Azure Data Lake Storage Gen1 source>",
+                "referenceName": "<Binary dataset name for Azure Data Lake Storage Gen1/Gen2 source>",
                 "type": "DatasetReference"
             }
         ],