Second review

Changes from second round of reviews

Author: peachdawnleach

src/current/v25.4/cluster-virtualization-overview.md

@@ -58,7 +58,9 @@ To upgrade to a new major version when cluster virtualization is enabled, you mu
 
 For details, refer to [Work with virtual clusters]({% link {{ page.version.version }}/work-with-virtual-clusters.md %}#upgrade-a-cluster).
 
-### Disaster recovery
+### Backup and restore
+
+Having a [disaster recovery]({% link {{ page.version.version }}/disaster-recovery-overview.md %}) plan is important to recover from unforseen incidents and minimize downtime and data loss. 
 
 When cluster virtualization is enabled, [backup]({% link {{ page.version.version }}/backup.md %}) and [restore]({% link {{ page.version.version }}/restore.md %}) commands are scoped to a virtual cluster. This means that:
 

src/current/v25.4/work-with-virtual-clusters.md

@@ -116,13 +116,13 @@ When connected to a virtual cluster from the DB Console, metrics which measure S
 
 ## Backup and restore
 
-Cockroach Labs recommends that you regularly [back up]({% link {{ page.version.version }}/take-full-and-incremental-backups.md %}#full-backups) your data. When using virtual clusters, perform backups on the _application virtual cluster (app VC)_. Only the app VC's data and settings are included in these backups, and data and settings for other virtual clusters or for the _system virtual cluster (system VC)_ are omitted. 
+Cockroach Labs recommends that you regularly [back up]({% link {{ page.version.version }}/take-full-and-incremental-backups.md %}#full-backups) your data. When using virtual clusters, perform backups on the _application virtual cluster (app VC)_. Only the app VC's data and settings are included in these backups, and data and settings for other virtual clusters or for the _system virtual cluster (system VC)_ are omitted. You can also back up your system VC to preserve metadata such as users and cluster settings, but this data is usually not critical.
 
 ### Create a backup schedule for your app VC
 
 Cockroach Labs recommends using [backup schedules]({% link {{ page.version.version }}/create-schedule-for-backup.md %}) to automate full and incremental backups of your data.
 
-Use the following process to create a schedule for a cluster-level backup of your app VC. In this example, the schedule takes revision history for the backup every day at midnight.
+Use the following process to create a schedule for a cluster-level backup of your app VC. In this example, the schedule takes an incremental backup every day at midnight, and a full backup weekly. Consult [CREATE SCHEDULE FOR BACKUP]({% link {{ page.version.version }}/create-schedule-for-backup.md %}#parameters) for a full list of backup schedule options.
 
 1. [Connect](#connect-to-a-virtual-cluster) to the app VC as a user with [supported privileges]({% link {{ page.version.version }}/security-reference/authorization.md %}#supported-privileges) on the app VC. In this example the user has the `BACKUP` privilege.
 
@@ -139,7 +139,6 @@ Use the following process to create a schedule for a cluster-level backup of you
     ~~~ sql
     CREATE SCHEDULE schedule_label
     FOR BACKUP INTO 's3://test/backups/schedule_test?AWS_ACCESS_KEY_ID=x&AWS_SECRET_ACCESS_KEY=x'
-        WITH revision_history
         RECURRING '@daily';
     ~~~
 
@@ -155,9 +154,9 @@ Use the following process to create a schedule for a cluster-level backup of you
 
 For information on scheduling backups at different levels or with other options, consult [CREATE SCHEDULE FOR BACKUP]({% link {{ page.version.version }}/create-schedule-for-backup.md %}).
 
-### Back up your app VC
+### Take a one-off backup of your app VC
 
-Use the following process to take a one-off full backup of your app VC.
+Use the following process to take a one-off full backup of your app VC. Even if you are using backup schedules, this can be useful if you want to create a separate copy.
 
 1. [Connect](#connect-to-a-virtual-cluster) to the app VC as a user with [supported privileges]({% link {{ page.version.version }}/security-reference/authorization.md %}#supported-privileges) on the app VC. In this example the user has the `BACKUP` privilege.
 
@@ -175,79 +174,7 @@ Use the following process to take a one-off full backup of your app VC.
     BACKUP INTO 'external://backup_s3/app' AS OF SYSTEM TIME '-10s';
     ~~~
 
-### Back up a database from your app VC
-
-Use the following process to take a one-off database-level backup on your app VC.
-
-1. [Connect](#connect-to-a-virtual-cluster) to the app VC as a user with [supported privileges]({% link {{ page.version.version }}/security-reference/authorization.md %}#supported-privileges) on the app VC. In this example the user has the `BACKUP` privilege.
-
-    {% include_cached copy-clipboard.html %}
-    ~~~ shell
-    cockroach sql --url \
-    "postgresql://root@{primary node IP or hostname}:26257?options=-ccluster={app_virtual_cluster_name}&sslmode=verify-full" \
-    --certs-dir "certs"
-    ~~~
-
-1. [Back up]({% link {{ page.version.version }}/backup.md %}#back-up-a-database) a single database:
-
-    {% include_cached copy-clipboard.html %}
-    ~~~ sql
-    BACKUP DATABASE bank INTO 'external://backup_s3/app/db' AS OF SYSTEM TIME '-10s';
-    ~~~
-
-    Or back up multiple databases:
-
-    {% include_cached copy-clipboard.html %}
-    ~~~ sql
-    BACKUP DATABASE bank, employees INTO 'external://backup_s3/app/db' AS OF SYSTEM TIME '-10s';
-    ~~~
-
-### Back up a table or view from your app VC
-
-Use the following procecss to take a one-off table-level or view-level backup on your app VC.
-
-1. [Connect](#connect-to-a-virtual-cluster) to the app VC as a user with [supported privileges]({% link {{ page.version.version }}/security-reference/authorization.md %}#supported-privileges) on the app VC. In this example the user has the `BACKUP` privilege.
-
-    {% include_cached copy-clipboard.html %}
-    ~~~ shell
-    cockroach sql --url \
-    "postgresql://root@{primary node IP or hostname}:26257?options=-ccluster={app_virtual_cluster_name}&sslmode=verify-full" \
-    --certs-dir "certs"
-    ~~~
-
-1. [Back up]({% link {{ page.version.version }}/backup.md %}#back-up-a-table-or-view) a single table or view:
-
-    {% include_cached copy-clipboard.html %}
-    ~~~ sql
-    BACKUP bank.customers INTO 'external://backup_s3/app/table' AS OF SYSTEM TIME '-10s';
-    ~~~
-
-    Or back up multiple tables:
-
-    {% include_cached copy-clipboard.html %}
-    ~~~ sql
-    BACKUP bank.customers, bank.accounts INTO 'external://backup_s3/app/table' AS OF SYSTEM TIME '-10s';
-    ~~~
-
-### Back up a schema from your app VC
-
-Use the following procecss to take a one-off schema-level backup on your app VC using a wildcard (`*`).
-
-1. [Connect](#connect-to-a-virtual-cluster) to the app VC as a user with [supported privileges]({% link {{ page.version.version }}/security-reference/authorization.md %}#supported-privileges) on the app VC. In this example the user has the `BACKUP` privilege.
-
-    {% include_cached copy-clipboard.html %}
-    ~~~ shell
-    cockroach sql --url \
-    "postgresql://root@{primary node IP or hostname}:26257?options=-ccluster={app_virtual_cluster_name}&sslmode=verify-full" \
-    --certs-dir "certs"
-    ~~~
-
-1. [Back up]({% link {{ page.version.version }}/backup.md %}#back-up-all-tables-in-a-schema) all tables in a schema:
-
-    {% include_cached copy-clipboard.html %}
-    ~~~ sql
-    BACKUP test_schema.* INTO 'external://backup_s3/app/schema' AS OF SYSTEM TIME '-10s';
-    ~~~
+You can also take one-off backups of a single [database]({% link {{ page.version.version }}/backup.md %}#back-up-a-database) or [table]({% link {{ page.version.version }}/backup.md %}#back-up-a-table-or-view) on your app VC. For more information on backup options, consult [BACKUP]({% link {{ page.version.version }}/backup.md %}).
 
 ### Back up your system VC
 
@@ -273,9 +200,9 @@ You can also back up your system VC to preserve metadata such as users and clust
 
 ### Restore a virtual cluster
 
-If needed, you can restore backups to a new app VC with no user-created databases or tables. To restore your app VC from the latest full backup:
+If needed, you can restore a full backup to a new app VC with no user-created databases or tables. To restore your app VC from the latest full backup:
 
-1. [Connect to the destination app VC](#connect-to-a-virtual-cluster) as a user with [supported privileges]({% link {{ page.version.version }}/security-reference/authorization.md %}#supported-privileges) on the system VC. In this example the user has the `RESTORE` privilege.
+1. [Connect to the destination app VC](#connect-to-a-virtual-cluster) as a user with [supported privileges]({% link {{ page.version.version }}/security-reference/authorization.md %}#supported-privileges) on the app VC. In this example the user has the `RESTORE` privilege.
 
     {% include_cached copy-clipboard.html %}
     ~~~ shell
@@ -291,6 +218,8 @@ If needed, you can restore backups to a new app VC with no user-created database
     RESTORE FROM LATEST IN 's3://bucket/path?AUTH=implicit';
     ~~~
 
+You can also restore a [database-level]({% link {{ page.version.version }}/restore.md %}#restore-a-database) or [table-level]({% link {{ page.version.version }}/restore.md %}#restore-a-table) backup to the same app VC on which you created it. For more information on restore options, consult [RESTORE]({% link {{ page.version.version }}/restore.md %}).
+
 ## Configure cluster settings
 
 When [cluster virtualization]({% link {{ page.version.version }}/cluster-virtualization-overview.md %}) is enabled, each [cluster setting]({% link {{ page.version.version }}/cluster-settings.md %}) is scoped to either a virtual cluster or the system virtual cluster.