diff --git a/fuchsia/local_storage/metrics.yaml b/fuchsia/local_storage/metrics.yaml
index 68178c6..0fef86b 100644
--- a/fuchsia/local_storage/metrics.yaml
+++ b/fuchsia/local_storage/metrics.yaml
@@ -2083,6 +2083,200 @@
 
 ################################################################################
 
+# Space Metrics
+# Reserved Range: [4000, 5000)
+
+################################################################################
+# Data Bytes Used
+#
+# Used to track the number of bytes a partition is using for storing data.
+# This is generally updated on a regular interval via Lapis, which queries
+# filesystem information from fshost.
+################################################################################
+- id: 4000
+  replacement_metric_id: 4001
+  metric_name: data_bytes_used
+  # Current version of cobalt doesn't support logging an integer sample.
+  # The closest is |MEMORY_USAGE|, which will be mapped to |INTEGER| once
+  # Cobalt 1.1 is released.
+  metric_type: MEMORY_USAGE
+  metric_dimensions: &space_dimensions
+    - *source_dimension
+  reports:
+    - report_name: per_device_daily_max
+      id: 1
+      report_type: PER_DEVICE_NUMERIC_STATS
+      aggregation_type: MAX
+      window_size:
+        - 1
+      system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL]
+
+  meta_data:
+    max_release_stage: GA
+    expiration_date: "2022/09/21"
+
+- id: 4001
+  metric_name: data_bytes_used_migrated
+  metric_type: INTEGER
+  metric_units: BYTES
+  metric_semantics: [USAGE_COUNTING]
+  metric_dimensions: *space_dimensions
+  reports:
+    - report_name: per_device_daily_max
+      id: 1
+      report_type: UNIQUE_DEVICE_NUMERIC_STATS
+      local_aggregation_procedure: MAX_PROCEDURE
+      local_aggregation_period: WINDOW_1_DAY
+      privacy_level: NO_ADDED_PRIVACY
+      system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL]
+  meta_data:
+    max_release_stage: GA
+    expiration_date: "2022/09/21"
+
+################################################################################
+# Data Bytes Allocated
+#
+# Used to track the number of bytes a partition has allocated (free + used) for
+# storing data.
+# This is generally updated on a regular interval via Lapis, which queries
+# filesystem information from fshost.
+################################################################################
+- id: 4002
+  replacement_metric_id: 4003
+  metric_name: data_bytes_allocated
+  # Current version of cobalt doesn't support logging an integer sample.
+  # The closest is |MEMORY_USAGE|, which will be mapped to |INTEGER| once
+  # Cobalt 1.1 is released.
+  metric_type: MEMORY_USAGE
+  metric_dimensions: *space_dimensions
+  reports:
+    - report_name: per_device_daily_max
+      id: 1
+      report_type: PER_DEVICE_NUMERIC_STATS
+      aggregation_type: MAX
+      window_size:
+        - 1
+      system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL]
+
+  meta_data:
+    max_release_stage: GA
+    expiration_date: "2022/09/21"
+
+- id: 4003
+  metric_name: data_bytes_allocated_migrated
+  metric_type: INTEGER
+  metric_units: BYTES
+  metric_semantics: [USAGE_COUNTING]
+  metric_dimensions: *space_dimensions
+  reports:
+    - report_name: per_device_daily_max
+      id: 1
+      report_type: UNIQUE_DEVICE_NUMERIC_STATS
+      local_aggregation_procedure: MAX_PROCEDURE
+      local_aggregation_period: WINDOW_1_DAY
+      privacy_level: NO_ADDED_PRIVACY
+      system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL]
+  meta_data:
+    max_release_stage: GA
+    expiration_date: "2022/09/21"
+
+################################################################################
+# Inodes Used
+#
+# Used to track the number of inodes a partition has in use.
+# This is generally updated on a regular interval via Lapis, which queries
+# filesystem information from fshost.
+################################################################################
+- id: 4004
+  replacement_metric_id: 4005
+  metric_name: inodes_used
+  # Current version of cobalt doesn't support logging an integer sample.
+  # The closest is |MEMORY_USAGE|, which will be mapped to |INTEGER| once
+  # Cobalt 1.1 is released.
+  metric_type: MEMORY_USAGE
+  metric_dimensions: &space_dimensions
+    - *source_dimension
+  reports:
+    - report_name: per_device_daily_max
+      id: 1
+      report_type: PER_DEVICE_NUMERIC_STATS
+      aggregation_type: MAX
+      window_size:
+        - 1
+      system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL]
+
+  meta_data:
+    max_release_stage: GA
+    expiration_date: "2022/09/21"
+
+- id: 4005
+  metric_name: inodes_used_migrated
+  metric_type: INTEGER
+  metric_units_other: "inodes"
+  metric_semantics: [USAGE_COUNTING]
+  metric_dimensions: *space_dimensions
+  reports:
+    - report_name: per_device_daily_max
+      id: 1
+      report_type: UNIQUE_DEVICE_NUMERIC_STATS
+      local_aggregation_procedure: MAX_PROCEDURE
+      local_aggregation_period: WINDOW_1_DAY
+      privacy_level: NO_ADDED_PRIVACY
+      system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL]
+  meta_data:
+    max_release_stage: GA
+    expiration_date: "2022/09/21"
+
+################################################################################
+# Inodes Allocated
+#
+# Used to track the number of inodes a partition has capacity for (free + used).
+# This is generally updated on a regular interval via Lapis, which queries
+# filesystem information from fshost.
+################################################################################
+- id: 4006
+  replacement_metric_id: 4007
+  metric_name: inodes_allocated
+  # Current version of cobalt doesn't support logging an integer sample.
+  # The closest is |MEMORY_USAGE|, which will be mapped to |INTEGER| once
+  # Cobalt 1.1 is released.
+  metric_type: MEMORY_USAGE
+  metric_dimensions: *space_dimensions
+  reports:
+    - report_name: per_device_daily_max
+      id: 1
+      report_type: PER_DEVICE_NUMERIC_STATS
+      aggregation_type: MAX
+      window_size:
+        - 1
+      system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL]
+
+  meta_data:
+    max_release_stage: GA
+    expiration_date: "2022/09/21"
+
+- id: 4007
+  metric_name: inodes_allocated_migrated
+  metric_type: INTEGER
+  metric_units_other: "inodes"
+  metric_semantics: [USAGE_COUNTING]
+  metric_dimensions: *space_dimensions
+  reports:
+    - report_name: per_device_daily_max
+      id: 1
+      report_type: UNIQUE_DEVICE_NUMERIC_STATS
+      local_aggregation_procedure: MAX_PROCEDURE
+      local_aggregation_period: WINDOW_1_DAY
+      privacy_level: NO_ADDED_PRIVACY
+      system_profile_field: [BOARD_NAME, PRODUCT_NAME, SYSTEM_VERSION, CHANNEL]
+  meta_data:
+    max_release_stage: GA
+    expiration_date: "2022/09/21"
+
+# Next ID: 4008
+
+################################################################################
+
 # Temporary Metrics
 # Reserved Range: [9000, 10000)