diff --git a/frontend/src/App.jsx b/frontend/src/App.jsx
index ea16bfe..56bf2a0 100644
--- a/frontend/src/App.jsx
+++ b/frontend/src/App.jsx
@@ -264,7 +264,7 @@ function TableView({ enclosure, onSelect, selectedSerial, t }) {
       <table style={{ width: "100%", borderCollapse: "separate", borderSpacing: "0 4px", fontSize: 13 }}>
         <thead>
           <tr style={{ textAlign: "left", color: t.textSecondary, fontSize: 11, textTransform: "uppercase", letterSpacing: 0.8 }}>
-            {["Slot", "Device", "Model", "Serial", "WWN", "FW", "Capacity", "Pool", "Temp", "Hours", "Health"].map((h) => (
+            {["Slot", "Device", "Model", "Serial", "WWN", "FW", "Capacity", "Pool", "Vdev", "Temp", "Hours", "Health"].map((h) => (
               <th key={h} style={{ padding: "6px 10px", fontWeight: 600, borderBottom: `2px solid ${t.divider}` }}>{h}</th>
             ))}
           </tr>
@@ -304,6 +304,16 @@ function TableView({ enclosure, onSelect, selectedSerial, t }) {
                     <span style={{ fontSize: 11, color: t.textMuted, fontStyle: "italic" }}>{"\u2014"}</span>
                   )}
                 </td>
+                <td style={{ padding: "8px 10px" }}>
+                  {d.zfs_vdev ? (
+                    <span style={{
+                      fontSize: 11, fontWeight: 500, color: t.textSecondary,
+                      fontFamily: "'JetBrains Mono', monospace",
+                    }}>{d.zfs_vdev}</span>
+                  ) : (
+                    <span style={{ fontSize: 11, color: t.textMuted, fontStyle: "italic" }}>{"\u2014"}</span>
+                  )}
+                </td>
                 <td style={{ padding: "8px 10px", fontWeight: 600, color: d.temperature_c >= 40 ? t.health.warning.text : t.text }}>{d.temperature_c != null ? `${d.temperature_c}\u00B0C` : "\u2014"}</td>
                 <td style={{ padding: "8px 10px", color: t.text }}>{formatHours(d.power_on_hours)}</td>
                 <td style={{ padding: "8px 10px", borderRadius: "0 6px 6px 0" }}><StatusPill status={healthStatus} t={t} /></td>
@@ -413,6 +423,14 @@ function DriveDetail({ slot, onClose, t }) {
                   }}>
                     {d.zfs_pool}
                   </span>
+                  {d.zfs_vdev && (
+                    <span style={{
+                      fontSize: 12, fontWeight: 600, color: t.health.healthy.text, opacity: 0.85,
+                      fontFamily: "'JetBrains Mono', monospace",
+                    }}>
+                      / {d.zfs_vdev}
+                    </span>
+                  )}
                   <span style={{
                     fontSize: 10, fontWeight: 600, color: t.health.healthy.text, opacity: 0.7,
                     background: t.health.healthy.border + "33", padding: "2px 6px", borderRadius: 4,
diff --git a/models/schemas.py b/models/schemas.py
index 6a79ad8..814a699 100644
--- a/models/schemas.py
+++ b/models/schemas.py
@@ -33,6 +33,7 @@ class DriveDetail(BaseModel):
     uncorrectable_errors: int | None = None
     wear_leveling_percent: int | None = None
     zfs_pool: str | None = None
+    zfs_vdev: str | None = None
     smart_attributes: list[dict] = []
 
 
@@ -51,6 +52,7 @@ class DriveHealthSummary(BaseModel):
     pending_sectors: int | None = None
     uncorrectable_errors: int | None = None
     zfs_pool: str | None = None
+    zfs_vdev: str | None = None
     health_status: str = "healthy"
 
 
diff --git a/routers/drives.py b/routers/drives.py
index 955335f..08d77c5 100644
--- a/routers/drives.py
+++ b/routers/drives.py
@@ -19,6 +19,9 @@ async def get_drive_detail(device: str):
         raise HTTPException(status_code=502, detail=data["error"])
 
     pool_map = await get_zfs_pool_map()
-    data["zfs_pool"] = pool_map.get(device)
+    zfs_info = pool_map.get(device)
+    if zfs_info:
+        data["zfs_pool"] = zfs_info["pool"]
+        data["zfs_vdev"] = zfs_info["vdev"]
 
     return DriveDetail(**data)
diff --git a/routers/overview.py b/routers/overview.py
index 246305b..54ed7fa 100644
--- a/routers/overview.py
+++ b/routers/overview.py
@@ -93,7 +93,8 @@ async def get_overview():
                     reallocated_sectors=sd.get("reallocated_sectors"),
                     pending_sectors=sd.get("pending_sectors"),
                     uncorrectable_errors=sd.get("uncorrectable_errors"),
-                    zfs_pool=pool_map.get(sd["device"]),
+                    zfs_pool=pool_map.get(sd["device"], {}).get("pool"),
+                    zfs_vdev=pool_map.get(sd["device"], {}).get("vdev"),
                     health_status=health_status,
                 )
             elif s["populated"]:
diff --git a/services/zfs.py b/services/zfs.py
index d6ba13e..3218371 100644
--- a/services/zfs.py
+++ b/services/zfs.py
@@ -1,6 +1,7 @@
 import asyncio
 import os
 import logging
+import re
 
 logger = logging.getLogger(__name__)
 
@@ -8,10 +9,11 @@ logger = logging.getLogger(__name__)
 ZPOOL_BIN = os.environ.get("ZPOOL_BIN", "zpool")
 
 
-async def get_zfs_pool_map() -> dict[str, str]:
-    """Return a dict mapping device names to ZFS pool names.
+async def get_zfs_pool_map() -> dict[str, dict]:
+    """Return a dict mapping device names to ZFS pool and vdev info.
 
-    e.g. {"sda": "tank", "sdb": "tank", "sdc": "fast"}
+    e.g. {"sda": {"pool": "tank", "vdev": "raidz2-0"},
+          "sdb": {"pool": "fast", "vdev": "mirror-0"}}
     """
     pool_map = {}
     try:
@@ -33,19 +35,49 @@ async def get_zfs_pool_map() -> dict[str, str]:
             return pool_map
 
         current_pool = None
+        current_vdev = None
+        in_config = False
+
         for line in stdout.decode().splitlines():
             stripped = line.strip()
+
             if stripped.startswith("pool:"):
                 current_pool = stripped.split(":", 1)[1].strip()
-            elif current_pool and "/dev/" in stripped:
+                current_vdev = None
+                in_config = False
+                continue
+
+            if stripped.startswith("NAME") and "STATE" in stripped:
+                in_config = True
+                continue
+
+            if stripped.startswith("errors:") or stripped == "":
+                if stripped.startswith("errors:"):
+                    in_config = False
+                continue
+
+            if not in_config or not current_pool:
+                continue
+
+            # Count leading tab depth to distinguish pool/vdev/device lines.
+            # Pool name = 1 tab, vdev = 2 tabs, device = 3+ tabs
+            tab_count = len(line) - len(line.lstrip('\t'))
+
+            if tab_count == 2 and "/dev/" not in stripped:
+                # This is a vdev line (mirror-0, raidz2-0, etc.)
+                current_vdev = stripped.split()[0]
+            elif "/dev/" in stripped:
                 parts = stripped.split()
                 dev_path = parts[0]
                 try:
                     real = os.path.realpath(dev_path)
                     dev_name = os.path.basename(real)
                     # Strip partition numbers (sda1 -> sda)
-                    dev_name = dev_name.rstrip("0123456789")
-                    pool_map[dev_name] = current_pool
+                    dev_name = re.sub(r'\d+$', '', dev_name)
+                    pool_map[dev_name] = {
+                        "pool": current_pool,
+                        "vdev": current_vdev or current_pool,
+                    }
                 except Exception:
                     pass
     except FileNotFoundError: