diff --git a/hosts/skydick/datapool.nix b/hosts/skydick/datapool.nix
index f59be44..9c5eec6 100644
--- a/hosts/skydick/datapool.nix
+++ b/hosts/skydick/datapool.nix
@@ -9,6 +9,14 @@
 #   LUN1: wwn-0x6000c500XXXXXXXX0001000000000000
 #   Same prefix = same physical drive. Pair DIFFERENT drives in each mirror.
 #
+# Drive inventory (ST14000NM0001, 14TB SAS Mach2):
+#
+#   drive1: cab9587b  (serial ZKL09S4X...FA4P)
+#   drive2: caf74697  (serial ZKL05VPS...FMAC)
+#   drive3: cb3613eb  (serial ZKL05VM0...GSP3)
+#   drive4: cb3957ab  (serial ZKL09QXG...50KE)
+#   drive5: cb9dd2eb  (serial ZKL0EP06...6LLW)  [spare]
+#
 # Layout (4 active + 1 hot spare, all mirrors for expandability):
 #
 #   mirror-0:  drive1-LUN0  drive2-LUN0
@@ -20,7 +28,7 @@
 # If drive1 fails: mirror-0 and mirror-1 each lose one member, but stay
 # online via drive2. The spare auto-replaces one degraded member.
 #
-# === Pool creation (fill in actual WWNs) ===
+# === Pool creation ===
 #
 #   zpool create -o ashift=12 -o autotrim=on -o failmode=continue \
 #     -O compression=zstd -O relatime=on \
@@ -28,11 +36,11 @@
 #     -O normalization=formD -O redundant_metadata=most \
 #     -O mountpoint=none -O canmount=off \
 #     dick \
-#     mirror <drive1-LUN0> <drive2-LUN0> \
-#     mirror <drive1-LUN1> <drive2-LUN1> \
-#     mirror <drive3-LUN0> <drive4-LUN0> \
-#     mirror <drive3-LUN1> <drive4-LUN1> \
-#     spare <drive5-LUN0> <drive5-LUN1>
+#     mirror wwn-0x6000c500cab9587b0000000000000000 wwn-0x6000c500caf746970000000000000000 \
+#     mirror wwn-0x6000c500cab9587b0001000000000000 wwn-0x6000c500caf746970001000000000000 \
+#     mirror wwn-0x6000c500cb3613eb0000000000000000 wwn-0x6000c500cb3957ab0000000000000000 \
+#     mirror wwn-0x6000c500cb3613eb0001000000000000 wwn-0x6000c500cb3957ab0001000000000000 \
+#     spare wwn-0x6000c500cb9dd2eb0000000000000000 wwn-0x6000c500cb9dd2eb0001000000000000
 #
 # === Dataset creation ===
 #