diff --git a/schema/all-zones-requests.json b/schema/all-zones-requests.json
index 526e41376f..1a12e20c91 100644
--- a/schema/all-zones-requests.json
+++ b/schema/all-zones-requests.json
@@ -233,6 +233,17 @@
         "zone_type"
       ],
       "properties": {
+        "filesystem_pool": {
+          "description": "The pool on which we'll place this zone's filesystem.\n\nNote that this is transient -- the sled agent is permitted to destroy the zone's dataset on this pool each time the zone is initialized.",
+          "anyOf": [
+            {
+              "$ref": "#/definitions/ZpoolName"
+            },
+            {
+              "type": "null"
+            }
+          ]
+        },
         "id": {
           "type": "string",
           "format": "uuid"
diff --git a/sled-agent/src/services.rs b/sled-agent/src/services.rs
index dcb0ddfbb3..619a6b7e77 100644
--- a/sled-agent/src/services.rs
+++ b/sled-agent/src/services.rs
@@ -4362,6 +4362,7 @@ mod test {
                         id,
                         underlay_address: Ipv6Addr::LOCALHOST,
                         zone_type,
+                        filesystem_pool: None,
                     }],
                 },
                 Some(&tmp_dir),
@@ -4393,6 +4394,7 @@ mod test {
                         dns_servers: vec![],
                         domain: None,
                     },
+                    filesystem_pool: None,
                 }],
             },
             Some(&tmp_dir),
@@ -4809,6 +4811,7 @@ mod test {
                 dns_servers: vec![],
                 domain: None,
             },
+            filesystem_pool: None,
         }];
 
         let tmp_dir = String::from(test_config.config_dir.path().as_str());
@@ -4837,6 +4840,7 @@ mod test {
                 dns_servers: vec![],
                 domain: None,
             },
+            filesystem_pool: None,
         });
 
         // Now try to apply that list with an older generation number.  This