[DOCS] Increment headings and add anchors for CCR Docs

docs/reference/administering.asciidoc

@@ -9,4 +9,5 @@ cluster.
 
 --
 
+include::ccr/index.asciidoc[]
 include::administering/backup-cluster.asciidoc[]

docs/reference/ccr/auto-follow.asciidoc

@@ -1,7 +1,7 @@
 [role="xpack"]
 [testenv="platinum"]
 [[ccr-auto-follow]]
-=== Automatically following indices
+==== Automatically following indices
 
 In time series use cases where you want to follow new indices that are
 periodically created (such as daily Beats indices), manually configuring follower
@@ -10,7 +10,8 @@ functionality in {ccr} is aimed at easing this burden. With the auto-follow
 functionality, you can specify that new indices in a remote cluster that have a 
 name that matches a pattern are automatically followed.
 
-==== Managing auto-follow patterns
+[[ccr-manage-auto-follow-patterns]]
+===== Managing auto-follow patterns
 
 You can add a new auto-follow pattern configuration with the
 {ref}/ccr-put-auto-follow-pattern.html[create auto-follow pattern API].  When you create

docs/reference/ccr/getting-started.asciidoc

@@ -1,7 +1,7 @@
 [role="xpack"]
 [testenv="platinum"]
 [[ccr-getting-started]]
-== Getting started with {ccr}
+=== Getting started with {ccr}
 
 This getting-started guide for {ccr} shows you how to:
 
@@ -12,9 +12,9 @@ This getting-started guide for {ccr} shows you how to:
   a leader index
 * <<ccr-getting-started-auto-follow,Automatically create follower indices>>
 
-[float]
+
 [[ccr-getting-started-before-you-begin]]
-=== Before you begin
+==== Before you begin
 . {stack-gs}/get-started-elastic-stack.html#install-elasticsearch[Install {es}]
   on your local and remote clusters.
 
@@ -81,9 +81,9 @@ cluster update settings API, you will also need a user with the `all` cluster
 privilege.
 --
 
-[float]
+
 [[ccr-getting-started-remote-cluster]]
-=== Connecting to a remote cluster
+==== Connecting to a remote cluster
 
 The {ccr} features require that you
 {ref}/modules-remote-clusters.html[connect your local cluster to a remote
@@ -157,9 +157,8 @@ Alternatively, you can manage remote clusters on the
 image::images/remote-clusters.jpg["The Remote Clusters page in {kib}"]
 
 
-[float]
 [[ccr-getting-started-leader-index]]
-=== Creating a leader index
+==== Creating a leader index
 
 In the following example, we will create a leader index in the remote cluster:
 
@@ -203,9 +202,9 @@ PUT /server-metrics
 // CONSOLE
 // TEST[continued]
 
-[float]
+
 [[ccr-getting-started-follower-index]]
-=== Creating a follower index
+==== Creating a follower index
 
 Follower indices are created with the {ref}/ccr-put-follow.html[create follower
 API]. When you create a follower index, you must reference the
@@ -263,9 +262,9 @@ POST /server-metrics-copy/_ccr/unfollow
 
 //////////////////////////
 
-[float]
+
 [[ccr-getting-started-auto-follow]]
-=== Automatically create follower indices
+==== Automatically create follower indices
 
 The <<ccr-auto-follow,auto-follow>> feature in {ccr} helps for time series use
 cases where you want to follow new indices that are periodically created in the

docs/reference/ccr/index.asciidoc

@@ -1,7 +1,7 @@
 [role="xpack"]
 [testenv="platinum"]
 [[xpack-ccr]]
-= {ccr-cap}
+== {ccr-cap}
 
 [partintro]
 --

docs/reference/ccr/overview.asciidoc

@@ -1,7 +1,7 @@
 [role="xpack"]
 [testenv="platinum"]
 [[ccr-overview]]
-== Overview
+=== Overview
 
 
 {ccr-cap} is done on an index-by-index basis. Replication is
@@ -17,8 +17,8 @@ Replication is pull-based. This means that replication is driven by the
 follower index. This simplifies state management on the leader index and means
 that {ccr} does not interfere with indexing on the leader index.
 
-[float]
-=== Configuring replication
+[[ccr-configure-replication]]
+==== Configuring replication
 
 Replication can be configured in two ways:
 
@@ -67,8 +67,8 @@ POST /follower_index/_ccr/pause_follow
 
 //////////////////////////
 
-[float]
-=== The mechanics of replication
+[[replication-mechanics]]
+==== The mechanics of replication
 
 While replication is managed at the index level, replication is performed at the
 shard level. When a follower index is created, it is automatically
@@ -130,17 +130,17 @@ closing itself, applying the settings update, and then re-opening itself. The
 follower index will be unavailable for reads and not replicating writes
 during this cycle.
 
-[float]
-=== Inspecting the progress of replication
+[[replication-progress]]
+==== Inspecting the progress of replication
 
 You can inspect the progress of replication at the shard level with the
 {ref}/ccr-get-follow-stats.html[get follower stats API]. This API gives you
 insight into the read and writes managed by the follower shard task. It also
 reports read exceptions that can be retried and fatal exceptions that require
 user intervention.
 
-[float]
-=== Pausing and resuming replication
+[[pause-resume-replication]]
+==== Pausing and resuming replication
 
 You can pause replication with the
 {ref}/ccr-post-pause-follow.html[pause follower API] and then later resume
@@ -149,8 +149,8 @@ Using these APIs in tandem enables you to adjust the read and write parameters
 on the follower shard task if your initial configuration is not suitable for
 your use case.
 
-[float]
-=== Leader index retaining operations for replication
+[[retain-replication-ops]]
+==== Leader index retaining operations for replication
 
 If the follower is unable to replicate operations from a leader for a period of
 time, the following process can fail due to the leader lacking a complete history
@@ -180,8 +180,8 @@ the lease expires. It is valuable to have monitoring in place to detect a follow
 replication issue prior to the lease expiring so that the problem can be remedied
 before the follower falls fatally behind.
 
-[float]
-=== Remedying a follower that has fallen behind
+[[remedy-fallen-follower]]
+==== Remedying a follower that has fallen behind
 
 If a follower falls sufficiently behind a leader that it can no longer replicate
 operations this can be detected in {kib} or by using the
@@ -211,8 +211,8 @@ segment files are deleted on the follower cluster. The
 files from the leader again. After the follower index initializes, the
 following process starts again.
 
-[float]
-=== Terminating replication
+[[terminate-replication]]
+==== Terminating replication
 
 You can terminate replication with the
 {ref}/ccr-post-unfollow.html[unfollow API]. This API converts a follower index

docs/reference/ccr/remote-recovery.asciidoc

@@ -1,7 +1,7 @@
 [role="xpack"]
 [testenv="platinum"]
 [[remote-recovery]]
-== Remote recovery
+=== Remote recovery
 
 When you create a follower index, you cannot use it until it is fully initialized.
 The _remote recovery_ process builds a new copy of a shard on a follower node by

docs/reference/ccr/requirements.asciidoc

@@ -1,7 +1,7 @@
 [role="xpack"]
 [testenv="platinum"]
 [[ccr-requirements]]
-=== Requirements for leader indices
+==== Requirements for leader indices
 
 {ccr-cap} works by replaying the history of individual write
 operations that were performed on the shards of the leader index. This means that the
@@ -22,9 +22,9 @@ existing data that you want to replicate from another cluster, you must
 {ref}/docs-reindex.html[reindex] your data into a new index with soft deletes 
 enabled.
 
-[float]
+
 [[ccr-overview-soft-deletes]]
-==== Soft delete settings
+===== Soft delete settings
 
 `index.soft_deletes.enabled`::
 
@@ -42,9 +42,9 @@ The default value is `12h`.
 
 For more information about index settings, see {ref}/index-modules.html[Index modules].
 
-[float]
+
 [[ccr-overview-beats]]
-==== Setting soft deletes on indices created by APM Server or Beats
+===== Setting soft deletes on indices created by APM Server or Beats
 
 If you want to replicate indices created by APM Server or Beats, and are
 allowing APM Server or Beats to manage index templates, you need to configure
@@ -63,9 +63,9 @@ For additional information on controlling the index templates managed by APM
 Server or Beats, see the relevant documentation on loading the Elasticsearch
 index template.
 
-[float]
+
 [[ccr-overview-logstash]]
-==== Setting soft deletes on indices created by Logstash
+===== Setting soft deletes on indices created by Logstash
 
 If you want to replicate indices created by Logstash, and are using Logstash to
 manage index templates, you need to configure soft deletes on a custom Logstash

docs/reference/ccr/upgrading.asciidoc

@@ -1,7 +1,7 @@
 [role="xpack"]
 [testenv="platinum"]
 [[ccr-upgrading]]
-== Upgrading clusters
+=== Upgrading clusters
 
 Clusters that are actively using {ccr} require a careful approach to upgrades.
 Otherwise index following may fail during a rolling upgrade, because of the
@@ -17,8 +17,8 @@ following reasons:
 Rolling upgrading clusters with {ccr} is different in case of uni-directional
 index following and bi-directional index following.
 
-[float]
-=== Uni-directional index following
+[[uni-directional-index-following]]
+==== Uni-directional index following
 
 In a uni-directional setup between two clusters, one cluster contains only
 leader indices, and the other cluster contains only follower indices following
@@ -35,8 +35,8 @@ cluster B that follows indices in cluster A and cluster C that follows
 indices in cluster B. In this case the cluster C should be upgraded first,
 then cluster B and finally cluster A.
 
-[float]
-=== Bi-directional index following
+[[bi-directional-index-following]]
+==== Bi-directional index following
 
 In a bi-directional setup between two clusters, each cluster contains both
 leader and follower indices.