diff --git a/CHANGELOG.md b/CHANGELOG.md
index 3b6a85c..4ba95a9 100644
--- a/CHANGELOG.md
+++ b/CHANGELOG.md
@@ -1,3 +1,11 @@
+# v1.4.4
+
+Release 2021-12-11
+
+- better adherence to expected csi behavior when volume request for less than
+  minimum volume size is requested (see #137)
+- avoid unnecessary data copy for `ListVolumes` operation
+
 # v1.4.3
 
 Released 2021-12-01
diff --git a/README.md b/README.md
index 94fdaed..23b4417 100644
--- a/README.md
+++ b/README.md
@@ -347,6 +347,7 @@ Install `democratic-csi` as usual with `volumeSnapshotClasses` defined as approp
 
 - https://kubernetes.io/docs/concepts/storage/volume-snapshots/
 - https://github.com/kubernetes-csi/external-snapshotter#usage
+- https://github.com/democratic-csi/democratic-csi/issues/129#issuecomment-961489810
 
 # Migrating from freenas-provisioner and freenas-iscsi-provisioner
 
diff --git a/ci/bin/launch-server.sh b/ci/bin/launch-server.sh
index 52753c3..93274a5 100755
--- a/ci/bin/launch-server.sh
+++ b/ci/bin/launch-server.sh
@@ -23,4 +23,4 @@ if [[ "x${CSI_MODE}" != "x" ]];then
 fi
 
 # > "${LOG_PATH}" 2>&1 
-./bin/democratic-csi --log-level debug --driver-config-file "${CONFIG_FILE}" --csi-version "${CSI_VERSION}" --csi-name "driver-test" --server-socket "${CSI_ENDPOINT}" ${EXTRA_ARGS}
+exec ./bin/democratic-csi --log-level debug --driver-config-file "${CONFIG_FILE}" --csi-version "${CSI_VERSION}" --csi-name "driver-test" --server-socket "${CSI_ENDPOINT}" ${EXTRA_ARGS}
diff --git a/ci/bin/run.sh b/ci/bin/run.sh
index b951a99..c6eedb0 100755
--- a/ci/bin/run.sh
+++ b/ci/bin/run.sh
@@ -3,6 +3,14 @@
 set -e
 set -x
 
+_term() {
+  # no idea why this does not work
+  #[[ -n "${SUDO_PID}" ]] && sudo kill -15 "${SUDO_PID}"
+  [[ -n "${SUDO_PID}" ]] && sudo kill -15 $(pgrep -P "${SUDO_PID}") || true
+}
+
+trap _term EXIT
+
 export PATH="/usr/local/lib/nodejs/bin:${PATH}"
 # install deps
 npm i
@@ -12,6 +20,7 @@ export CI_BUILD_KEY=$(uuidgen | cut -d "-" -f 1)
 
 # launch the server
 sudo -E ci/bin/launch-server.sh &
+SUDO_PID=$!
 
 # wait for server to launch
 sleep 10
diff --git a/docs/Nomad/examples/volume-iscsi.hcl b/docs/Nomad/examples/volume-iscsi.hcl
index 6a25c0c..ac9a9ce 100644
--- a/docs/Nomad/examples/volume-iscsi.hcl
+++ b/docs/Nomad/examples/volume-iscsi.hcl
@@ -9,3 +9,10 @@ capability {
   access_mode     = "single-node-writer"
   attachment_mode = "file-system"
 }
+
+mount_options {
+  # ext4|xfs
+  # default is ext4 when left unset
+  #fs_type     = "ext4"
+  #mount_flags = ["noatime"]
+}
diff --git a/docs/Nomad/examples/volume-nfs.hcl b/docs/Nomad/examples/volume-nfs.hcl
index 6e54674..21d01b9 100644
--- a/docs/Nomad/examples/volume-nfs.hcl
+++ b/docs/Nomad/examples/volume-nfs.hcl
@@ -9,3 +9,7 @@ capability {
   access_mode     = "multi-node-multi-writer"
   attachment_mode = "file-system"
 }
+
+mount_options {
+  mount_flags = ["noatime", "nfsvers=3"]
+}
diff --git a/package-lock.json b/package-lock.json
index 9581c80..8a80094 100644
--- a/package-lock.json
+++ b/package-lock.json
@@ -43,14 +43,14 @@
       }
     },
     "node_modules/@eslint/eslintrc": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-1.0.4.tgz",
-      "integrity": "sha512-h8Vx6MdxwWI2WM8/zREHMoqdgLNXEL4QX3MWSVMdyNJGvXVOs+6lp+m2hc3FnuMHDc4poxFNI20vCk0OmI4G0Q==",
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-1.0.5.tgz",
+      "integrity": "sha512-BLxsnmK3KyPunz5wmCCpqy0YelEoxxGmH73Is+Z74oOTMtExcjkr3dDR6quwrjh1YspA8DH9gnX1o069KiS9AQ==",
       "dev": true,
       "dependencies": {
         "ajv": "^6.12.4",
         "debug": "^4.3.2",
-        "espree": "^9.0.0",
+        "espree": "^9.2.0",
         "globals": "^13.9.0",
         "ignore": "^4.0.6",
         "import-fresh": "^3.2.1",
@@ -118,12 +118,12 @@
       }
     },
     "node_modules/@humanwhocodes/config-array": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.6.0.tgz",
-      "integrity": "sha512-JQlEKbcgEUjBFhLIF4iqM7u/9lwgHRBcpHrmUNCALK0Q3amXN6lxdoXLnF0sm11E9VqTmBALR87IlUg1bZ8A9A==",
+      "version": "0.9.2",
+      "resolved": "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.9.2.tgz",
+      "integrity": "sha512-UXOuFCGcwciWckOpmfKDq/GyhlTf9pN/BzG//x8p8zTOFEcGuA68ANXheFS0AGvy3qgZqLBUkMs7hqzqCKOVwA==",
       "dev": true,
       "dependencies": {
-        "@humanwhocodes/object-schema": "^1.2.0",
+        "@humanwhocodes/object-schema": "^1.2.1",
         "debug": "^4.1.1",
         "minimatch": "^3.0.4"
       },
@@ -303,9 +303,9 @@
       }
     },
     "node_modules/@types/node": {
-      "version": "16.11.11",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.11.11.tgz",
-      "integrity": "sha512-KB0sixD67CeecHC33MYn+eYARkqTheIRNuu97y2XMjR7Wu3XibO1vaY6VBV6O/a89SPI81cEUIYT87UqUWlZNw=="
+      "version": "16.11.12",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.11.12.tgz",
+      "integrity": "sha512-+2Iggwg7PxoO5Kyhvsq9VarmPbIelXP070HMImEpbtGCoyWNINQj4wzjbQCXzdHTRXnqufutJb5KAURZANNBAw=="
     },
     "node_modules/@types/request": {
       "version": "2.48.7",
@@ -683,6 +683,14 @@
         "mimic-response": "^1.0.0"
       }
     },
+    "node_modules/code-point-at": {
+      "version": "1.1.0",
+      "resolved": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c=",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/color": {
       "version": "3.2.1",
       "resolved": "https://registry.npmjs.org/color/-/color-3.2.1.tgz",
@@ -709,9 +717,9 @@
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
     },
     "node_modules/color-string": {
-      "version": "1.8.2",
-      "resolved": "https://registry.npmjs.org/color-string/-/color-string-1.8.2.tgz",
-      "integrity": "sha512-w5ZkKRdLsc5NOYsmnpS2DpyRW71npwZGwbRpLrJTuqjfTs2Bhrba7UiV59IX9siBlCPl2pne5NtiwnVWUzvYFA==",
+      "version": "1.9.0",
+      "resolved": "https://registry.npmjs.org/color-string/-/color-string-1.9.0.tgz",
+      "integrity": "sha512-9Mrz2AQLefkH1UvASKj6v6hj/7eWgjnT/cVsR8CumieLoT+g900exWeNogqtweI8dxloXN9BDQTYro1oWu/5CQ==",
       "dependencies": {
         "color-name": "^1.0.0",
         "simple-swizzle": "^0.2.2"
@@ -978,13 +986,13 @@
       }
     },
     "node_modules/eslint": {
-      "version": "8.3.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.3.0.tgz",
-      "integrity": "sha512-aIay56Ph6RxOTC7xyr59Kt3ewX185SaGnAr8eWukoPLeriCrvGjvAubxuvaXOfsxhtwV5g0uBOsyhAom4qJdww==",
+      "version": "8.4.1",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.4.1.tgz",
+      "integrity": "sha512-TxU/p7LB1KxQ6+7aztTnO7K0i+h0tDi81YRY9VzB6Id71kNz+fFYnf5HD5UOQmxkzcoa0TlVZf9dpMtUv0GpWg==",
       "dev": true,
       "dependencies": {
-        "@eslint/eslintrc": "^1.0.4",
-        "@humanwhocodes/config-array": "^0.6.0",
+        "@eslint/eslintrc": "^1.0.5",
+        "@humanwhocodes/config-array": "^0.9.2",
         "ajv": "^6.10.0",
         "chalk": "^4.0.0",
         "cross-spawn": "^7.0.2",
@@ -995,7 +1003,7 @@
         "eslint-scope": "^7.1.0",
         "eslint-utils": "^3.0.0",
         "eslint-visitor-keys": "^3.1.0",
-        "espree": "^9.1.0",
+        "espree": "^9.2.0",
         "esquery": "^1.4.0",
         "esutils": "^2.0.2",
         "fast-deep-equal": "^3.1.3",
@@ -1082,9 +1090,9 @@
       }
     },
     "node_modules/espree": {
-      "version": "9.1.0",
-      "resolved": "https://registry.npmjs.org/espree/-/espree-9.1.0.tgz",
-      "integrity": "sha512-ZgYLvCS1wxOczBYGcQT9DDWgicXwJ4dbocr9uYN+/eresBAUuBu+O4WzB21ufQ/JqQT8gyp7hJ3z8SHii32mTQ==",
+      "version": "9.2.0",
+      "resolved": "https://registry.npmjs.org/espree/-/espree-9.2.0.tgz",
+      "integrity": "sha512-oP3utRkynpZWF/F2x/HZJ+AGtnIclaR7z1pYPxy7NYM2fSO6LgK/Rkny8anRSPK/VwEA1eqm2squui0T7ZMOBg==",
       "dev": true,
       "dependencies": {
         "acorn": "^8.6.0",
@@ -2501,9 +2509,9 @@
       "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
     },
     "node_modules/minipass": {
-      "version": "3.1.5",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.1.5.tgz",
-      "integrity": "sha512-+8NzxD82XQoNKNrl1d/FSi+X8wAEWR+sbYAfIvub4Nz0d22plFG72CEVVaufV8PNf4qSslFTD8VMOxNVhHCjTw==",
+      "version": "3.1.6",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.1.6.tgz",
+      "integrity": "sha512-rty5kpw9/z8SX9dmxblFA6edItUmwJgMeYDZRrwlIVN27i8gysGbznJwUggw2V/FVqFSDdWy040ZPS811DYAqQ==",
       "dependencies": {
         "yallist": "^4.0.0"
       },
@@ -2643,6 +2651,14 @@
         "node": ">=8"
       }
     },
+    "node_modules/number-is-nan": {
+      "version": "1.0.1",
+      "resolved": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
+      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0=",
+      "engines": {
+        "node": ">=0.10.0"
+      }
+    },
     "node_modules/oauth-sign": {
       "version": "0.9.0",
       "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.9.0.tgz",
@@ -3694,14 +3710,14 @@
       }
     },
     "@eslint/eslintrc": {
-      "version": "1.0.4",
-      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-1.0.4.tgz",
-      "integrity": "sha512-h8Vx6MdxwWI2WM8/zREHMoqdgLNXEL4QX3MWSVMdyNJGvXVOs+6lp+m2hc3FnuMHDc4poxFNI20vCk0OmI4G0Q==",
+      "version": "1.0.5",
+      "resolved": "https://registry.npmjs.org/@eslint/eslintrc/-/eslintrc-1.0.5.tgz",
+      "integrity": "sha512-BLxsnmK3KyPunz5wmCCpqy0YelEoxxGmH73Is+Z74oOTMtExcjkr3dDR6quwrjh1YspA8DH9gnX1o069KiS9AQ==",
       "dev": true,
       "requires": {
         "ajv": "^6.12.4",
         "debug": "^4.3.2",
-        "espree": "^9.0.0",
+        "espree": "^9.2.0",
         "globals": "^13.9.0",
         "ignore": "^4.0.6",
         "import-fresh": "^3.2.1",
@@ -3753,12 +3769,12 @@
       }
     },
     "@humanwhocodes/config-array": {
-      "version": "0.6.0",
-      "resolved": "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.6.0.tgz",
-      "integrity": "sha512-JQlEKbcgEUjBFhLIF4iqM7u/9lwgHRBcpHrmUNCALK0Q3amXN6lxdoXLnF0sm11E9VqTmBALR87IlUg1bZ8A9A==",
+      "version": "0.9.2",
+      "resolved": "https://registry.npmjs.org/@humanwhocodes/config-array/-/config-array-0.9.2.tgz",
+      "integrity": "sha512-UXOuFCGcwciWckOpmfKDq/GyhlTf9pN/BzG//x8p8zTOFEcGuA68ANXheFS0AGvy3qgZqLBUkMs7hqzqCKOVwA==",
       "dev": true,
       "requires": {
-        "@humanwhocodes/object-schema": "^1.2.0",
+        "@humanwhocodes/object-schema": "^1.2.1",
         "debug": "^4.1.1",
         "minimatch": "^3.0.4"
       }
@@ -3925,9 +3941,9 @@
       }
     },
     "@types/node": {
-      "version": "16.11.11",
-      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.11.11.tgz",
-      "integrity": "sha512-KB0sixD67CeecHC33MYn+eYARkqTheIRNuu97y2XMjR7Wu3XibO1vaY6VBV6O/a89SPI81cEUIYT87UqUWlZNw=="
+      "version": "16.11.12",
+      "resolved": "https://registry.npmjs.org/@types/node/-/node-16.11.12.tgz",
+      "integrity": "sha512-+2Iggwg7PxoO5Kyhvsq9VarmPbIelXP070HMImEpbtGCoyWNINQj4wzjbQCXzdHTRXnqufutJb5KAURZANNBAw=="
     },
     "@types/request": {
       "version": "2.48.7",
@@ -4233,6 +4249,10 @@
         "mimic-response": "^1.0.0"
       }
     },
+    "code-point-at": {
+      "version": "https://registry.npmjs.org/code-point-at/-/code-point-at-1.1.0.tgz",
+      "integrity": "sha1-DQcLTQQ6W+ozovGkDi7bPZpMz3c="
+    },
     "color": {
       "version": "3.2.1",
       "resolved": "https://registry.npmjs.org/color/-/color-3.2.1.tgz",
@@ -4271,9 +4291,9 @@
       "integrity": "sha512-dOy+3AuW3a2wNbZHIuMZpTcgjGuLU/uBL/ubcZF9OXbDo8ff4O8yVp5Bf0efS8uEoYo5q4Fx7dY9OgQGXgAsQA=="
     },
     "color-string": {
-      "version": "1.8.2",
-      "resolved": "https://registry.npmjs.org/color-string/-/color-string-1.8.2.tgz",
-      "integrity": "sha512-w5ZkKRdLsc5NOYsmnpS2DpyRW71npwZGwbRpLrJTuqjfTs2Bhrba7UiV59IX9siBlCPl2pne5NtiwnVWUzvYFA==",
+      "version": "1.9.0",
+      "resolved": "https://registry.npmjs.org/color-string/-/color-string-1.9.0.tgz",
+      "integrity": "sha512-9Mrz2AQLefkH1UvASKj6v6hj/7eWgjnT/cVsR8CumieLoT+g900exWeNogqtweI8dxloXN9BDQTYro1oWu/5CQ==",
       "requires": {
         "color-name": "^1.0.0",
         "simple-swizzle": "^0.2.2"
@@ -4459,13 +4479,13 @@
       "dev": true
     },
     "eslint": {
-      "version": "8.3.0",
-      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.3.0.tgz",
-      "integrity": "sha512-aIay56Ph6RxOTC7xyr59Kt3ewX185SaGnAr8eWukoPLeriCrvGjvAubxuvaXOfsxhtwV5g0uBOsyhAom4qJdww==",
+      "version": "8.4.1",
+      "resolved": "https://registry.npmjs.org/eslint/-/eslint-8.4.1.tgz",
+      "integrity": "sha512-TxU/p7LB1KxQ6+7aztTnO7K0i+h0tDi81YRY9VzB6Id71kNz+fFYnf5HD5UOQmxkzcoa0TlVZf9dpMtUv0GpWg==",
       "dev": true,
       "requires": {
-        "@eslint/eslintrc": "^1.0.4",
-        "@humanwhocodes/config-array": "^0.6.0",
+        "@eslint/eslintrc": "^1.0.5",
+        "@humanwhocodes/config-array": "^0.9.2",
         "ajv": "^6.10.0",
         "chalk": "^4.0.0",
         "cross-spawn": "^7.0.2",
@@ -4476,7 +4496,7 @@
         "eslint-scope": "^7.1.0",
         "eslint-utils": "^3.0.0",
         "eslint-visitor-keys": "^3.1.0",
-        "espree": "^9.1.0",
+        "espree": "^9.2.0",
         "esquery": "^1.4.0",
         "esutils": "^2.0.2",
         "fast-deep-equal": "^3.1.3",
@@ -4538,9 +4558,9 @@
       "dev": true
     },
     "espree": {
-      "version": "9.1.0",
-      "resolved": "https://registry.npmjs.org/espree/-/espree-9.1.0.tgz",
-      "integrity": "sha512-ZgYLvCS1wxOczBYGcQT9DDWgicXwJ4dbocr9uYN+/eresBAUuBu+O4WzB21ufQ/JqQT8gyp7hJ3z8SHii32mTQ==",
+      "version": "9.2.0",
+      "resolved": "https://registry.npmjs.org/espree/-/espree-9.2.0.tgz",
+      "integrity": "sha512-oP3utRkynpZWF/F2x/HZJ+AGtnIclaR7z1pYPxy7NYM2fSO6LgK/Rkny8anRSPK/VwEA1eqm2squui0T7ZMOBg==",
       "dev": true,
       "requires": {
         "acorn": "^8.6.0",
@@ -5610,9 +5630,9 @@
       "integrity": "sha512-FM9nNUYrRBAELZQT3xeZQ7fmMOBg6nWNmJKTcgsJeaLstP/UODVpGsr5OhXhhXg6f+qtJ8uiZ+PUxkDWcgIXLw=="
     },
     "minipass": {
-      "version": "3.1.5",
-      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.1.5.tgz",
-      "integrity": "sha512-+8NzxD82XQoNKNrl1d/FSi+X8wAEWR+sbYAfIvub4Nz0d22plFG72CEVVaufV8PNf4qSslFTD8VMOxNVhHCjTw==",
+      "version": "3.1.6",
+      "resolved": "https://registry.npmjs.org/minipass/-/minipass-3.1.6.tgz",
+      "integrity": "sha512-rty5kpw9/z8SX9dmxblFA6edItUmwJgMeYDZRrwlIVN27i8gysGbznJwUggw2V/FVqFSDdWy040ZPS811DYAqQ==",
       "requires": {
         "yallist": "^4.0.0"
       }
@@ -5721,6 +5741,10 @@
         "path-key": "^3.0.0"
       }
     },
+    "number-is-nan": {
+      "version": "https://registry.npmjs.org/number-is-nan/-/number-is-nan-1.0.1.tgz",
+      "integrity": "sha1-CXtgK1NCKlIsGvuHkDGDNpQaAR0="
+    },
     "oauth-sign": {
       "version": "0.9.0",
       "resolved": "https://registry.npmjs.org/oauth-sign/-/oauth-sign-0.9.0.tgz",
diff --git a/src/driver/controller-zfs-ssh/index.js b/src/driver/controller-zfs-ssh/index.js
index 7764887..2ce1a1e 100644
--- a/src/driver/controller-zfs-ssh/index.js
+++ b/src/driver/controller-zfs-ssh/index.js
@@ -571,6 +571,7 @@ class ControllerZfsSshBaseDriver extends CsiBaseDriver {
       );
     }
 
+    // if no capacity_range specified set a required_bytes at least
     if (
       !call.request.capacity_range ||
       Object.keys(call.request.capacity_range).length === 0
@@ -592,15 +593,18 @@ class ControllerZfsSshBaseDriver extends CsiBaseDriver {
       );
     }
 
-    /**
-     * NOTE: avoid the urge to templatize this given the name length limits for zvols
-     * ie: namespace-name may quite easily exceed 58 chars
-     */
-    const datasetName = datasetParentName + "/" + name;
     let capacity_bytes =
       call.request.capacity_range.required_bytes ||
       call.request.capacity_range.limit_bytes;
 
+    if (!capacity_bytes) {
+      //should never happen, value must be set
+      throw new GrpcError(
+        grpc.status.INVALID_ARGUMENT,
+        `volume capacity is required (either required_bytes or limit_bytes)`
+      );
+    }
+
     if (capacity_bytes && driverZfsResourceType == "volume") {
       //make sure to align capacity_bytes with zvol blocksize
       //volume size must be a multiple of volume block size
@@ -609,13 +613,6 @@ class ControllerZfsSshBaseDriver extends CsiBaseDriver {
         zvolBlocksize
       );
     }
-    if (!capacity_bytes) {
-      //should never happen, value must be set
-      throw new GrpcError(
-        grpc.status.INVALID_ARGUMENT,
-        `volume capacity is required (either required_bytes or limit_bytes)`
-      );
-    }
 
     // ensure *actual* capacity is not greater than limit
     if (
@@ -629,6 +626,12 @@ class ControllerZfsSshBaseDriver extends CsiBaseDriver {
       );
     }
 
+    /**
+     * NOTE: avoid the urge to templatize this given the name length limits for zvols
+     * ie: namespace-name may quite easily exceed 58 chars
+     */
+    const datasetName = datasetParentName + "/" + name;
+
     // ensure volumes with the same name being requested a 2nd time but with a different size fails
     try {
       let properties = await zb.zfs.get(datasetName, ["volsize", "refquota"]);
@@ -1706,7 +1709,6 @@ class ControllerZfsSshBaseDriver extends CsiBaseDriver {
       }
       entries = this.ctx.cache.get(`ListSnapshots:result:${uuid}`);
       if (entries) {
-        entries = JSON.parse(JSON.stringify(entries));
         entries_length = entries.length;
         entries = entries.slice(start_position, end_position);
         if (max_entries > 0 && end_position > entries_length) {
@@ -1914,10 +1916,7 @@ class ControllerZfsSshBaseDriver extends CsiBaseDriver {
 
     if (max_entries && entries.length > max_entries) {
       uuid = uuidv4();
-      this.ctx.cache.set(
-        `ListSnapshots:result:${uuid}`,
-        JSON.parse(JSON.stringify(entries))
-      );
+      this.ctx.cache.set(`ListSnapshots:result:${uuid}`, entries);
       next_token = `${uuid}:${max_entries}`;
       entries = entries.slice(0, max_entries);
     }
diff --git a/src/driver/freenas/api.js b/src/driver/freenas/api.js
index 12431b0..eb16c55 100644
--- a/src/driver/freenas/api.js
+++ b/src/driver/freenas/api.js
@@ -2044,6 +2044,7 @@ class FreeNASApiDriver extends CsiBaseDriver {
       );
     }
 
+    // if no capacity_range specified set a required_bytes at least
     if (
       !call.request.capacity_range ||
       Object.keys(call.request.capacity_range).length === 0
@@ -2065,23 +2066,10 @@ class FreeNASApiDriver extends CsiBaseDriver {
       );
     }
 
-    /**
-     * NOTE: avoid the urge to templatize this given the name length limits for zvols
-     * ie: namespace-name may quite easily exceed 58 chars
-     */
-    const datasetName = datasetParentName + "/" + name;
     let capacity_bytes =
       call.request.capacity_range.required_bytes ||
       call.request.capacity_range.limit_bytes;
 
-    if (capacity_bytes && driverZfsResourceType == "volume") {
-      //make sure to align capacity_bytes with zvol blocksize
-      //volume size must be a multiple of volume block size
-      capacity_bytes = zb.helpers.generateZvolSize(
-        capacity_bytes,
-        zvolBlocksize
-      );
-    }
     if (!capacity_bytes) {
       //should never happen, value must be set
       throw new GrpcError(
@@ -2091,10 +2079,24 @@ class FreeNASApiDriver extends CsiBaseDriver {
     }
 
     // ensure *actual* capacity is not too small
-    if (minimum_volume_size > 0 && capacity_bytes < minimum_volume_size) {
-      throw new GrpcError(
-        grpc.status.OUT_OF_RANGE,
-        `volume capacity is smaller than the minimum: ${minimum_volume_size}`
+    if (
+      capacity_bytes > 0 &&
+      minimum_volume_size > 0 &&
+      capacity_bytes < minimum_volume_size
+    ) {
+      //throw new GrpcError(
+      //  grpc.status.OUT_OF_RANGE,
+      //  `volume capacity is smaller than the minimum: ${minimum_volume_size}`
+      //);
+      capacity_bytes = minimum_volume_size;
+    }
+
+    if (capacity_bytes && driverZfsResourceType == "volume") {
+      //make sure to align capacity_bytes with zvol blocksize
+      //volume size must be a multiple of volume block size
+      capacity_bytes = zb.helpers.generateZvolSize(
+        capacity_bytes,
+        zvolBlocksize
       );
     }
 
@@ -2110,6 +2112,12 @@ class FreeNASApiDriver extends CsiBaseDriver {
       );
     }
 
+    /**
+     * NOTE: avoid the urge to templatize this given the name length limits for zvols
+     * ie: namespace-name may quite easily exceed 58 chars
+     */
+    const datasetName = datasetParentName + "/" + name;
+
     // ensure volumes with the same name being requested a 2nd time but with a different size fails
     try {
       let properties = await httpApiClient.DatasetGet(datasetName, [
@@ -3263,7 +3271,6 @@ class FreeNASApiDriver extends CsiBaseDriver {
       }
       entries = this.ctx.cache.get(`ListSnapshots:result:${uuid}`);
       if (entries) {
-        entries = JSON.parse(JSON.stringify(entries));
         entries_length = entries.length;
         entries = entries.slice(start_position, end_position);
         if (max_entries > 0 && end_position > entries_length) {
@@ -3629,10 +3636,7 @@ class FreeNASApiDriver extends CsiBaseDriver {
 
     if (max_entries && entries.length > max_entries) {
       uuid = uuidv4();
-      this.ctx.cache.set(
-        `ListSnapshots:result:${uuid}`,
-        JSON.parse(JSON.stringify(entries))
-      );
+      this.ctx.cache.set(`ListSnapshots:result:${uuid}`, entries);
       next_token = `${uuid}:${max_entries}`;
       entries = entries.slice(0, max_entries);
     }
@@ -3992,6 +3996,7 @@ class FreeNASApiDriver extends CsiBaseDriver {
       size_bytes = getLargestNumber(
         properties.referenced.rawvalue,
         properties.logicalreferenced.rawvalue
+        // TODO: perhaps include minimum volume size here?
       );
     } else {
       // get the size of the parent volume