RS v6.0.20 release notes (#1316)

* Follow-up to PR #1231; fixing assorted minor issues (#1311) * First set of quick fixes. * More edits and updates, mainly to redirects. * Updating python library to be more current. * Updating backup article aliases (#1315) * First set of quick fixes. * More edits and updates, mainly to redirects. * Updating python library to be more current. * Updating aliases * Initial draft for release notes
RedisLabs · Apr 13, 2021 · db34f15 · db34f15
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diff --git a/content/rc/databases/back-up-data.md b/content/rc/databases/back-up-data.md
@@ -5,15 +5,18 @@ weight: 40
 alwaysopen: false
 categories: ["RC"]
 linktitle: Back up data
-aliases: /rv/administration/configure/backups/
-        /rc/administration/configure/backups/
-        /rv/administration/configuration/backups/
-        /rc/databases/backups/
+aliases: [ "/rv/administration/configure/backups/",
+           "/rc/administration/configure/backups/",
+           "/rv/administration/configuration/backups/",
+           "/rc/administration/configuration/backups.md", 
+           "/rc/administration/configuration/backups/",
+           "/rc/databases/backups/" ]
+
 ---
 
 The back up process for Redis Enterprise Cloud data depends on your plan:
 
-- Flexible and Annual can use the **Backup** icon on the View Database screen or schedule regular backups.
+- Flexible and Annual can use the **Backup** icon on the **View Database** screen or schedule regular backups.
 
 - Paid Fixed plans run scheduled backups every 24 hours.  
 

diff --git a/content/rc/databases/import-data.md b/content/rc/databases/import-data.md
@@ -7,8 +7,9 @@ categories: ["RC"]
 linktitle: Import data
 aliases: /rv/how-to/importing-dataset-redis-cloud/
          /rc/how-to/importing-dataset-redis-cloud/
-         /rc/how-to/importing-data-database/
          /rv/how-to/importing-data-database/
+         /rc/how-to/importing-data-database/
+         /rc/how-to/importing-data-database.md
          /rc/databases/import-data/
 ---
 You can import an existing dataset into your Redis Cloud instance from an existing Redis server or an RDB file.

diff --git a/content/rc/databases/view-edit-database.md b/content/rc/databases/view-edit-database.md
@@ -6,6 +6,8 @@ alwaysopen: false
 categories: ["RC"]
 aliases: /rc/administration/setup-and-editing/viewing-editing-database/
         /rv/administration/setup_and_editing/viewing-editing-databases/
+        /rc/administration/setup/edit-database/
+        /rc/administration/setup/edit-database.md
 ---
 To view the details of a database, select it from the database list:
 

diff --git a/content/rc/rc-quickstart.md b/content/rc/rc-quickstart.md
@@ -71,13 +71,15 @@ Next, we create a database.
 
 4.  Locate the **Activate** button near the bottom of the page and then select it.
 
-5.  You're taken to the Configuration tab of the View Database screen.  In the upper corner, you'll see an orange box containing a rotating circle.  This is the Pending status indicator and it means your database is still being created.
+5.  You're taken to the **Configuration** tab of the **View Database** screen.  In the upper corner, you'll see an orange box containing a rotating circle.  This is the Pending status indicator and it means your database is still being created.
 
-    Admin console operations are asychronous; they operate in the background.  You can continue to use the admin console for other tasks, but your new database isn't available.  When the icon changes to show a green box containing a checkmark, your database is ready to use.
+    ![Pending icon](/images/rc/icon-pending.png#no-click "Pending icon") &nbsp; ![Active icon](/images/rc/icon-active.png#no-click "Active icon")
+
+    Admin console operations are asychronous; they operate [in the background]({{< relref "/rc/api/concepts/provisioning-lifecycle.md" >}}).  You can continue to use the admin console for other tasks, but your new database isn't available.  When the icon changes to show a green box containing a checkmark, your database is ready to use.
 
 ## Connect to a database
 
-At this point, you're at the View Database screen for your new database.  
+At this point, you're at the **View Database** screen for your new database.  
 
 To connect to your database, you need the following info:
 
@@ -99,9 +101,9 @@ Once you have the connection details, you can connect in a variety of ways, incl
 
 Here's an example of each.
 
-### Using redic-cli (via Docker){#using-rediscli}
+### Using redis-cli (via Docker){#using-rediscli}
 
-The `redis-cli` utility is installed when you install Redis.  
+The `redis-cli` utility is installed when you install Redis.  It provides a command-line interface that lets you work with your database using core [Redis commands](https://redis.io/commands).
 
 Docker provides a covenient way to run `redis-cli` without the full installation experience.
 
@@ -122,9 +124,9 @@ When you run the `redis` Docker image, you can open a bash shell instance and ru
     xxx:yyy> 
     ```
 
-    Replace `<endpoint>`, `<port>`, and `<password>` with the details copied from the **View Database** screen.
+    Replace `<endpoint>`, `<port>`, and `<password>` with the details copied earlier from the **View Database** screen.
 
-3.  You should now be connectde to your database and can perform basic Redis commands:
+3.  You should now be connectded to your database and can perform basic Redis commands:
 
     ``` sh
     xxx:yyy> ping
@@ -139,19 +141,20 @@ When you run the `redis` Docker image, you can open a bash shell instance and ru
 
 Different programming languages use different clients to interact with Redis databases.
 
-Here's how to connect to your database using a client for Python.
+Here's how to connect to your database using the `redis-py` library for Python.
 
 1.  If you don't already have the client installed:
 
     ```sh
-    sudo pip install redis-client
+    sudo pip install redis-py
     ```
 
 2.  The specific syntax vries according to the client:
 
     ```python
-    import redis-client
-    r = redis.Redis(host='<endpoint>', port=<port>, password='<password>')
+    import redis
+    r = redis.Redis(host='<endpoint>', port=<port>, 
+                    password='<password>')
     r.set('hello', 'world')
     print(r.get('hello'))
     ```
@@ -167,7 +170,7 @@ Here's how to connect to your database using a client for Python.
 
 ## More info
 
-- [Manage Databases]({{< relref "/rs/databases/_index.md" >}})
+- [Manage Databases]({{< relref "/rc/databases/_index.md" >}})
 - [Data Persistence with Redis Cloud]({{< relref "rc/concepts/data-persistence.md" >}})
 - [Secure Your Redis Cloud Database]({{< relref "/rc/administration/security/_index.md" >}})
 - [Back-up Flexible databases]({{< relref "/rc/databases/back-up-data.md" >}})

diff --git a/content/rc/security/_index.md b/content/rc/security/_index.md
@@ -5,6 +5,8 @@ weight: 51
 alwaysopen: false
 categories: ["RC"]
 aliases: /rc/administration/security
+         /rs/administering/designing-production/security/
+
 ---
 Redis Enterprise Cloud provides a number of ways to secure subscription and databases.
 

diff --git a/content/rc/subscriptions/_index.md b/content/rc/subscriptions/_index.md
@@ -8,12 +8,15 @@ linktitle: Subscriptions
 aliases: /rv/administration/setup_and_editing/
          /rc/administration/setup-and-editing/
          /rc/administration/setup-editing/
+         /rc/administration/setup/
+         /rc/administration/setup/_index.md              
          /rv/administration/setup_and_editing/create-subscription/
          /rv/administration/setup_and_editing/creating-subscription/
          /rc/administration/setup/create-subscription/
+
 ---
 
-This page helps you manage your Redis Cloud subscriptions; it briefly compares available pland and shows where to find help wth common tasks.
+This page helps you manage your Redis Cloud subscriptions; it briefly compares available plans and shows where to find help wth common tasks.
 
 ## Subscription plans
 

diff --git a/content/rc/subscriptions/create-flexible-subscription.md b/content/rc/subscriptions/create-flexible-subscription.md
@@ -5,6 +5,8 @@ weight: 30
 alwaysopen: false
 categories: ["RC"]
 aliases: /rc/administration/customize-pro/ 
+         /rc/administration/customize-pro.md          
+         /rc/administration/setup/customize-pro/ 
          /rc/administration/setup/customize-pro.md 
          /rc/administration/setup/customize-flexible-plan/
 ---

diff --git a/content/rc/subscriptions/view-fixed-subscription.md b/content/rc/subscriptions/view-fixed-subscription.md
@@ -9,6 +9,9 @@ aliases: /rv/administration/setup_and_editing/view-edit-subscription/
          /rc/administration/setup-and-editing/viewing-subscription/
          /rc/administration/setup-and-editing/changing-subscription-plan/
          /rc/administration/setup-and-editing/changing-subscription-plan/
+         /rc/administration/setup/edit-subscription/
+         /rc/administration/setup/edit-subscription.md
+
 ---
 To view the details of a Fixed subscription:
 

diff --git a/content/rs/release-notes/rs-6-0-20-april-2021.md b/content/rs/release-notes/rs-6-0-20-april-2021.md
@@ -0,0 +1,206 @@
+---
+Title: Redis Enterprise Software Release Notes 6.0.20 (April 2021)
+description:
+weight: 77
+alwaysopen: false
+categories: ["RS"]
+---
+[Redis Enterprise Software version 6.0.20](https://redislabs.com/redis-enterprise-software/download-center/software/)
+is now available! This version includes the following new features and
+improvements:
+
+-   A [new integration for LDAP](https://docs.redislabs.com/latest/rs/security/LDAP) authentication and
+    authorization into RS role-based access controls (RBAC). You can now use
+    LDAP to authorize access to the admin console and to authorize database
+    access.
+
+-   An enhanced [clients mutual authentication](https://docs.redislabs.com/latest/rs/security/tls-ssl/)
+    mechanism, adding the ability to authenticate client connections using a
+    Certificate Authority (CA).
+
+-   Support of [Redis eviction
+    policies](https://docs.redislabs.com/latest/rs/administering/database-operations/eviction-policy/)
+    on
+    [Active-Active](https://docs.redislabs.com/latest/rs/administering/creating-databases/create-active-active/)
+    Redis databases.
+
+-   A new [migration process from regular Redis database to an Active-Active](https://docs.redislabs.com/latest/rs/administering/database-operations/migrate-to-active-active)
+    Redis database using the Active-Passive (Replica Of) mechanism.
+
+-   Support of [BITFIELD data type on Active-Active](https://docs.redislabs.com/latest/rs/references/developing-for-active-active/Strings-and-Bitfields-with-Active-Active-Databases)
+    Redis databases.
+
+And other functional and stability improvements.
+
+### Version information
+
+#### Upgrade instructions
+
+-   Follow [these instructions](https://docs.redislabs.com/latest/rs/installing-upgrading/upgrading/)
+    for upgrading to Redis Software 6.0.20 from Redis Software 5.6.0 and above.
+
+    -   Note that upgrades from earlier Redis Software versions are not supported.
+
+-   For Active-Active deployments, this release requires that you [upgrade the CRDB featureset version](https://docs.redislabs.com/latest/rs/installing-upgrading/upgrading/#upgrading-activeactive-databases).
+
+-   Upgrades of Active-Active databases to Redis Software 6.0.20, will require all their
+    instances to run with protocol version 1 and featureset version 1 or above.
+    Active-Active databases running on protocol version 0 and/or featureset
+    version 0 will block the upgrade.
+
+#### Product lifecycle information
+
+-   End of Life (EOL) for Redis Enterprise Software 6.0 and earlier 
+    versions, can be found
+    [here](https://docs.redislabs.com/latest/rs/administering/product-lifecycle/).
+
+-   EOL for Redis modules can be found
+    [here](https://docs.redislabs.com/latest/modules/modules-lifecycle/#modules-endoflife-schedule).
+
+#### Deprecation Notice
+
+-   Upgrades to the next Redis Software will be enabled from version 6.0 and above.
+
+-   Support for the SASL-based LDAP mechanism is considered deprecated, it will
+    be removed in a future version.
+
+-   Starting with Redis Siftware version 6.0.12, Envoy replaces Nginx for internal cluster administration.
+    Support for Nginx is considered deprecated, it will be removed in a future
+    version.
+
+## New Features
+
+#### New LDAP integration
+
+Redis Enterprise Software integrates Lightweight Directory Access Protocol
+(LDAP) authentication and authorization into its [role-based access controls]
+(RBAC). You can now use LDAP to authorize access to the admin console and to
+authorize database access.
+
+#### Clients Mutual TLS authentication using a Certificate Authority (CA)
+
+Redis Enterprise Software adds the ability to use a Certificate Authority (CA)
+for client authentications, allowing clients to rotate their certificates
+without the need to load new certificates to your database.
+
+#### Redis eviction policies on Active-Active Redis databases
+
+All [Redis eviction policies](https://docs.redislabs.com/latest/rs/administering/database-operations/eviction-policy/)
+are now supported on Active-Active Redis databases. You can create new
+Active-Active databases or edit existing ones using the UI console to enable it.
+
+-   Note that eviction is not supported yet for Active-Active Redis databases
+    running with Redis on Flash (Rof).
+
+#### Migration to an Active-Active Redis database
+
+Redis Enterprise Software adds the ability to easily [migrate your Redis
+database to an Active-Active](https://docs.redislabs.com/latest/rs/administering/database-operations/migrate-to-active-active)
+Redis database using the Active-Passive (Replica Of) mechanism.
+
+#### BITFIELD on Active-Active Redis databases
+
+Redis Enterprise Software adds the ability to use the BITFIELD data type on
+Active-Active Redis databases. Please read more about [developing for Active-Active with BITFIELD](https://docs.redislabs.com/latest/rs/references/developing-for-active-active/Strings-and-Bitfields-with-Active-Active-Databases)
+to understand the conflict resolution and limitations.
+
+## Redis modules
+
+The following GA releases of Redis modules are bundled with Redit Software 6.0.20:
+
+-   [RediSearch](https://redislabs.com/redis-enterprise/redis-search/), version
+    [2.0.6](https://docs.redislabs.com/latest/modules/redisearch/release-notes/redisearch-2.0-release-notes/)
+
+-   [RedisJSON](https://redislabs.com/redis-enterprise/redis-json/), version
+    [1.0.7](https://docs.redislabs.com/latest/modules/redisjson/release-notes/redisjson-1.0-release-notes/)
+
+-   [RedisGraph](https://redislabs.com/redis-enterprise/redis-graph/), version
+    [2.2.14](https://docs.redislabs.com/latest/modules/redisgraph/release-notes/)
+
+-   [RedisTimeSeries](https://redislabs.com/redis-enterprise/redis-time-series/),
+    version
+    [1.4.8](https://docs.redislabs.com/latest/modules/redistimeseries/release-notes/)
+
+-   [RedisBloom](https://redislabs.com/redis-enterprise/redis-bloom/), version
+    [2.2.4](https://docs.redislabs.com/latest/modules/redisbloom/release-notes/redisbloom-2.2-release-notes/)
+
+To use the updated modules with a database, you must [upgrade the module on the
+database](https://docs.redislabs.com/latest/modules/upgrading-rs/#upgrading-the-module-for-the-database).
+
+## Additional capabilities
+
+-   Redis Software 6.0.20 includes open source Redis 6.0.9. For more information about Redis
+    6.0.9, check out the [release notes](https://raw.githubusercontent.com/redis/redis/6.0.6/00-RELEASENOTES).
+
+-   Redit Software 6.0.20 adds new `rladmin` commands for setting Ciphers suites and minimal
+    TLS version for:
+
+    -   Control plane: setting Envoy
+
+    -   Data plane: setting the Proxy for clients connections
+
+    -   Sentinel discovery service
+
+All known bugs around setting ciphers were fixed.  To learn more, see [Updating certificates](https://docs.redislabs.com/latest/rs/administering/cluster-operations/updating-certificates/#cipher-configuration).
+
+-   Starting with Redis Software 6.0.20, the [syncer process](https://docs.redislabs.com/latest/rs/administering/designing-production/active-active/#syncer-process)
+    was improved to automatically recover and resume synchronisation after
+    reaching out-of-memory.
+
+-   Envoy updated and verified with multiple security headers.
+
+
+## Important fixes
+
+-   RS50905, RS54809, 54940 - Fix in Redis preventing missing process PID
+
+-   RS53639 - Fix to avoid stuck state machine when assigning incorrect Redis
+    ACL with the allkeys alias or \~\* and also with \~\<somekey\>
+
+-   RS47983 - Fixed dependencies with installation using custom directories
+
+-   RS54382 - Fixed missing API documentation
+
+-   RS52433, RS53417, RS42195, RS42194, RS30526, RS46821, RS48928 - Fixed
+    security headers for Envoy
+
+## Known limitations
+
+#### Upgrade
+
+-   [Redis Software 5.4.2](https://docs.redislabs.com/latest/rs/release-notes/rs-5-4-2-april-2019/)
+    introduced new Active-Active Redis Database capabilities that improve its
+    compatibility with open source Redis. Now the string data-type in
+    Active-Active Redis Database is implicitly and dynamically typed, just like
+    open source Redis. To use the new capabilities on nodes that are upgraded
+    from version RS 5.4.2 or lower, you must 
+    [upgrade the Active-Active Redis Database protocol](https://docs.redislabs.com/latest/rs/installing-upgrading/upgrading/#upgrading-crdbs).
+
+-   When you upgrade an Active-Active Redis with active AOF from [Redis Software 5.4.2](https://docs.redislabs.com/latest/rs/release-notes/rs-5-4-2-april-2019/)
+    or earlier to version [Redis Software 5.4.4](https://docs.redislabs.com/latest/rs/release-notes/rs-5-4-4-june-2019/)
+    or later:
+
+    -   If replication is enabled, you must run the BGREWRITEAOF command on all
+        slave shards after the upgrade.
+
+    -   If replication is not enabled, you must run the BGREWRITEAOF command on
+        all shards after the upgrade.
+
+-   Node upgrade fails if the SSL certificates were configured in version 5.0.2
+    or above by manually updating the certificates on the disk instead of
+    [updating them through the API](https://docs.redislabs.com/latest/rs/administering/cluster-operations/updating-certificates/).
+    For help with this issue, contact Support.
+
+-   Starting from [Redis Software 5.4.2](https://docs.redislabs.com/latest/rs/release-notes/rs-5-4-2-april-2019/),
+    to preserve the current Redis major.minor version during database upgrade
+    you must use the keep_redis_version option instead of keep_current_version.
+
+#### Redis commands 
+
+-   The capability of disabling specific Redis commands does not work on
+    commands specific to Redis modules.
+
+-   CLIENT UNBLOCK command is not supported in RS 5.4 and above
+
+-   Starting from RS 5.4.2 and after upgrading the CRDB, TYPE commands for
+    string data-type in CRDBs return "string" (OSS Redis standard).