diff --git a/crates/blockdev/src/blockdev.rs b/crates/blockdev/src/blockdev.rs
index ebcc25138..666faf1d2 100644
--- a/crates/blockdev/src/blockdev.rs
+++ b/crates/blockdev/src/blockdev.rs
@@ -172,6 +172,10 @@ impl Device {
     /// For GPT disks, this matches by the ESP partition type GUID.
     /// For MBR (dos) disks, this matches by the MBR partition type IDs (0x06 or 0xEF).
     ///
+    /// If no ESP is found among direct children, this recurses into children
+    /// that have their own partition table (e.g. firmware RAID arrays where the
+    /// hierarchy is disk → md array → partitions).
+    ///
     /// Returns `Ok(None)` when there are no children or no ESP partition
     /// is present. Returns `Err` only for genuinely unexpected conditions
     /// (e.g. an unsupported partition table type).
@@ -179,8 +183,8 @@ impl Device {
         let Some(children) = self.children.as_ref() else {
             return Ok(None);
         };
-        match self.pttype.as_deref() {
-            Some("dos") => Ok(children.iter().find(|child| {
+        let direct = match self.pttype.as_deref() {
+            Some("dos") => children.iter().find(|child| {
                 child
                     .parttype
                     .as_ref()
@@ -189,12 +193,25 @@ impl Device {
                         u8::from_str_radix(pt, 16).ok()
                     })
                     .is_some_and(|pt| ESP_ID_MBR.contains(&pt))
-            })),
+            }),
             // When pttype is None (e.g. older lsblk or partition devices), default
             // to GPT UUID matching which will simply not match MBR hex types.
-            Some("gpt") | None => Ok(self.find_partition_of_type(ESP)),
-            Some(other) => Err(anyhow!("Unsupported partition table type: {other}")),
+            Some("gpt") | None => self.find_partition_of_type(ESP),
+            Some(other) => return Err(anyhow!("Unsupported partition table type: {other}")),
+        };
+        if direct.is_some() {
+            return Ok(direct);
+        }
+        // Recurse into children that carry their own partition table, such as
+        // firmware RAID arrays (disk → md array → partitions).
+        for child in children {
+            if child.pttype.is_some() {
+                if let Some(esp) = child.find_partition_of_esp_optional()? {
+                    return Ok(Some(esp));
+                }
+            }
         }
+        Ok(None)
     }
 
     /// Find the EFI System Partition (ESP) among children, or error if absent.
@@ -708,6 +725,69 @@ mod test {
         }
     }
 
+    #[test]
+    fn test_parse_lsblk_vroc() {
+        let fixture = include_str!("../tests/fixtures/lsblk-vroc.json");
+        let devs: DevicesOutput = serde_json::from_str(fixture).unwrap();
+        assert_eq!(devs.blockdevices.len(), 2);
+
+        // find_partition_of_esp recurses through the md126 RAID array to
+        // locate the ESP (md126p1) even though it is not a direct child of
+        // the NVMe disk.
+        for nvme in &devs.blockdevices {
+            let esp = nvme.find_partition_of_esp().unwrap();
+            assert_eq!(esp.name, "md126p1");
+            assert_eq!(esp.partn, Some(1));
+            assert_eq!(esp.parttype.as_deref().unwrap(), ESP);
+            assert_eq!(esp.fstype.as_deref().unwrap(), "vfat");
+        }
+    }
+
+    #[test]
+    fn test_parse_lsblk_swraid() {
+        let fixture = include_str!("../tests/fixtures/lsblk-swraid.json");
+        let devs: DevicesOutput = serde_json::from_str(fixture).unwrap();
+        assert_eq!(devs.blockdevices.len(), 2);
+
+        // In a software RAID (mdadm) setup each disk is individually
+        // partitioned with its own GPT table and ESP.  The root partition
+        // (sda3/sdb3) is a linux_raid_member assembled into md0.
+        // find_partition_of_esp should locate the ESP as a direct child of
+        // each disk — no recursion through an md array is needed here.
+        let sda = &devs.blockdevices[0];
+        let esp = sda.find_partition_of_esp().unwrap();
+        assert_eq!(esp.name, "sda1");
+        assert_eq!(esp.partn, Some(1));
+        assert_eq!(esp.parttype.as_deref().unwrap(), ESP);
+        assert_eq!(esp.fstype.as_deref().unwrap(), "vfat");
+
+        let sdb = &devs.blockdevices[1];
+        let esp = sdb.find_partition_of_esp().unwrap();
+        assert_eq!(esp.name, "sdb1");
+        assert_eq!(esp.partn, Some(1));
+        assert_eq!(esp.parttype.as_deref().unwrap(), ESP);
+        assert_eq!(esp.fstype.as_deref().unwrap(), "vfat");
+
+        // Verify the md0 RAID array is visible as a child of the root
+        // partition on each disk.
+        let sda3 = sda
+            .children
+            .as_ref()
+            .unwrap()
+            .iter()
+            .find(|c| c.name == "sda3")
+            .unwrap();
+        assert_eq!(sda3.fstype.as_deref().unwrap(), "linux_raid_member");
+        let md0 = sda3
+            .children
+            .as_ref()
+            .unwrap()
+            .iter()
+            .find(|c| c.name == "md0")
+            .unwrap();
+        assert_eq!(md0.fstype.as_deref().unwrap(), "ext4");
+    }
+
     #[test]
     fn test_mbr_esp_detection() {
         // 0x06 (FAT16) is recognized as ESP
diff --git a/crates/blockdev/tests/fixtures/lsblk-swraid.json b/crates/blockdev/tests/fixtures/lsblk-swraid.json
new file mode 100644
index 000000000..7b3d5b616
--- /dev/null
+++ b/crates/blockdev/tests/fixtures/lsblk-swraid.json
@@ -0,0 +1,777 @@
+{
+   "blockdevices": [
+      {
+         "alignment": 0,
+         "id-link": null,
+         "id": null,
+         "disc-aln": 0,
+         "dax": false,
+         "disc-gran": 0,
+         "disk-seq": 1,
+         "disc-max": 0,
+         "disc-zero": false,
+         "fsavail": null,
+         "fsroots": [
+             null
+         ],
+         "fssize": null,
+         "fstype": null,
+         "fsused": null,
+         "fsuse%": null,
+         "fsver": null,
+         "group": "disk",
+         "hctl": null,
+         "hotplug": false,
+         "kname": "sda",
+         "label": null,
+         "log-sec": 512,
+         "maj:min": "8:0",
+         "maj": "8",
+         "min": "0",
+         "min-io": 512,
+         "mode": "brw-rw----",
+         "model": "SAMSUNG MZ7LH960",
+         "mq": "  4",
+         "name": "sda",
+         "opt-io": 0,
+         "owner": "root",
+         "partflags": null,
+         "partlabel": null,
+         "partn": null,
+         "parttype": null,
+         "parttypename": null,
+         "partuuid": null,
+         "path": "/dev/sda",
+         "phy-sec": 512,
+         "pkname": null,
+         "pttype": "gpt",
+         "ptuuid": "b1c2d3e4-f5a6-7890-abcd-ef1234567890",
+         "ra": 128,
+         "rand": false,
+         "rev": null,
+         "rm": false,
+         "ro": false,
+         "rota": true,
+         "rq-size": 256,
+         "sched": "mq-deadline",
+         "serial": "S000000000001",
+         "size": 960197124096,
+         "start": null,
+         "state": "running",
+         "subsystems": "block:scsi:pci",
+         "mountpoint": null,
+         "mountpoints": [
+             null
+         ],
+         "tran": "sata",
+         "type": "disk",
+         "uuid": null,
+         "vendor": "ATA     ",
+         "wsame": 0,
+         "wwn": "0x5002538000000001",
+         "zoned": "none",
+         "zone-sz": 0,
+         "zone-wgran": 0,
+         "zone-app": 0,
+         "zone-nr": 0,
+         "zone-omax": 0,
+         "zone-amax": 0,
+         "children": [
+            {
+               "alignment": 0,
+               "id-link": null,
+               "id": null,
+               "disc-aln": 0,
+               "dax": false,
+               "disc-gran": 0,
+               "disk-seq": 0,
+               "disc-max": 0,
+               "disc-zero": false,
+               "fsavail": null,
+               "fsroots": [
+                   null
+               ],
+               "fssize": null,
+               "fstype": "vfat",
+               "fsused": null,
+               "fsuse%": null,
+               "fsver": "FAT32",
+               "group": "disk",
+               "hctl": null,
+               "hotplug": false,
+               "kname": "sda1",
+               "label": "EFI-SYSTEM",
+               "log-sec": 512,
+               "maj:min": "8:1",
+               "maj": "8",
+               "min": "1",
+               "min-io": 512,
+               "mode": "brw-rw----",
+               "model": null,
+               "mq": null,
+               "name": "sda1",
+               "opt-io": 0,
+               "owner": "root",
+               "partflags": null,
+               "partlabel": "EFI-SYSTEM",
+               "partn": 1,
+               "parttype": "c12a7328-f81f-11d2-ba4b-00a0c93ec93b",
+               "parttypename": "EFI System",
+               "partuuid": "a1a1a1a1-a1a1-a1a1-a1a1-a1a1a1a1a1a1",
+               "path": "/dev/sda1",
+               "phy-sec": 512,
+               "pkname": "sda",
+               "pttype": "gpt",
+               "ptuuid": "b1c2d3e4-f5a6-7890-abcd-ef1234567890",
+               "ra": 128,
+               "rand": false,
+               "rev": null,
+               "rm": false,
+               "ro": false,
+               "rota": true,
+               "rq-size": 256,
+               "sched": "mq-deadline",
+               "serial": null,
+               "size": 629145600,
+               "start": 2048,
+               "state": null,
+               "subsystems": "block:scsi:pci",
+               "mountpoint": "/boot/efi",
+               "mountpoints": [
+                   "/boot/efi"
+               ],
+               "tran": null,
+               "type": "part",
+               "uuid": "AAAA-1111",
+               "vendor": null,
+               "wsame": 0,
+               "wwn": "0x5002538000000001",
+               "zoned": "none",
+               "zone-sz": 0,
+               "zone-wgran": 0,
+               "zone-app": 0,
+               "zone-nr": 0,
+               "zone-omax": 0,
+               "zone-amax": 0
+            },{
+               "alignment": 0,
+               "id-link": null,
+               "id": null,
+               "disc-aln": 0,
+               "dax": false,
+               "disc-gran": 0,
+               "disk-seq": 0,
+               "disc-max": 0,
+               "disc-zero": false,
+               "fsavail": null,
+               "fsroots": [
+                   null
+               ],
+               "fssize": null,
+               "fstype": "ext4",
+               "fsused": null,
+               "fsuse%": null,
+               "fsver": "1.0",
+               "group": "disk",
+               "hctl": null,
+               "hotplug": false,
+               "kname": "sda2",
+               "label": "boot",
+               "log-sec": 512,
+               "maj:min": "8:2",
+               "maj": "8",
+               "min": "2",
+               "min-io": 512,
+               "mode": "brw-rw----",
+               "model": null,
+               "mq": null,
+               "name": "sda2",
+               "opt-io": 0,
+               "owner": "root",
+               "partflags": null,
+               "partlabel": "boot",
+               "partn": 2,
+               "parttype": "0fc63daf-8483-4772-8e79-3d69d8477de4",
+               "parttypename": "Linux filesystem",
+               "partuuid": "b2b2b2b2-b2b2-b2b2-b2b2-b2b2b2b2b2b2",
+               "path": "/dev/sda2",
+               "phy-sec": 512,
+               "pkname": "sda",
+               "pttype": "gpt",
+               "ptuuid": "b1c2d3e4-f5a6-7890-abcd-ef1234567890",
+               "ra": 128,
+               "rand": false,
+               "rev": null,
+               "rm": false,
+               "ro": false,
+               "rota": true,
+               "rq-size": 256,
+               "sched": "mq-deadline",
+               "serial": null,
+               "size": 1073741824,
+               "start": 1230848,
+               "state": null,
+               "subsystems": "block:scsi:pci",
+               "mountpoint": "/boot",
+               "mountpoints": [
+                   "/boot"
+               ],
+               "tran": null,
+               "type": "part",
+               "uuid": "b2b2b2b2-0000-0000-0000-b2b2b2b2b2b2",
+               "vendor": null,
+               "wsame": 0,
+               "wwn": "0x5002538000000001",
+               "zoned": "none",
+               "zone-sz": 0,
+               "zone-wgran": 0,
+               "zone-app": 0,
+               "zone-nr": 0,
+               "zone-omax": 0,
+               "zone-amax": 0
+            },{
+               "alignment": 0,
+               "id-link": null,
+               "id": null,
+               "disc-aln": 0,
+               "dax": false,
+               "disc-gran": 0,
+               "disk-seq": 0,
+               "disc-max": 0,
+               "disc-zero": false,
+               "fsavail": null,
+               "fsroots": [
+                   null
+               ],
+               "fssize": null,
+               "fstype": "linux_raid_member",
+               "fsused": null,
+               "fsuse%": null,
+               "fsver": "1.2",
+               "group": "disk",
+               "hctl": null,
+               "hotplug": false,
+               "kname": "sda3",
+               "label": "rootarray",
+               "log-sec": 512,
+               "maj:min": "8:3",
+               "maj": "8",
+               "min": "3",
+               "min-io": 512,
+               "mode": "brw-rw----",
+               "model": null,
+               "mq": null,
+               "name": "sda3",
+               "opt-io": 0,
+               "owner": "root",
+               "partflags": null,
+               "partlabel": "root",
+               "partn": 3,
+               "parttype": "a19d880f-05fc-4d3b-a006-743f0f84911e",
+               "parttypename": "Linux RAID",
+               "partuuid": "c3c3c3c3-c3c3-c3c3-c3c3-c3c3c3c3c3c3",
+               "path": "/dev/sda3",
+               "phy-sec": 512,
+               "pkname": "sda",
+               "pttype": "gpt",
+               "ptuuid": "b1c2d3e4-f5a6-7890-abcd-ef1234567890",
+               "ra": 128,
+               "rand": false,
+               "rev": null,
+               "rm": false,
+               "ro": false,
+               "rota": true,
+               "rq-size": 256,
+               "sched": "mq-deadline",
+               "serial": null,
+               "size": 958889107456,
+               "start": 3327998,
+               "state": null,
+               "subsystems": "block:scsi:pci",
+               "mountpoint": null,
+               "mountpoints": [
+                   null
+               ],
+               "tran": null,
+               "type": "part",
+               "uuid": "c3c3c3c3-0000-0000-0000-c3c3c3c3c3c3",
+               "vendor": null,
+               "wsame": 0,
+               "wwn": "0x5002538000000001",
+               "zoned": "none",
+               "zone-sz": 0,
+               "zone-wgran": 0,
+               "zone-app": 0,
+               "zone-nr": 0,
+               "zone-omax": 0,
+               "zone-amax": 0,
+               "children": [
+                  {
+                     "alignment": 0,
+                     "id-link": null,
+                     "id": null,
+                     "disc-aln": 0,
+                     "dax": false,
+                     "disc-gran": 0,
+                     "disk-seq": 0,
+                     "disc-max": 0,
+                     "disc-zero": false,
+                     "fsavail": 800000000000,
+                     "fsroots": [
+                         "/"
+                     ],
+                     "fssize": 956000000000,
+                     "fstype": "ext4",
+                     "fsused": 100000000000,
+                     "fsuse%": "10%",
+                     "fsver": "1.0",
+                     "group": "disk",
+                     "hctl": null,
+                     "hotplug": false,
+                     "kname": "md0",
+                     "label": "root",
+                     "log-sec": 512,
+                     "maj:min": "9:0",
+                     "maj": "9",
+                     "min": "0",
+                     "min-io": 524288,
+                     "mode": "brw-rw----",
+                     "model": null,
+                     "mq": null,
+                     "name": "md0",
+                     "opt-io": 1048576,
+                     "owner": "root",
+                     "partflags": null,
+                     "partlabel": null,
+                     "partn": null,
+                     "parttype": null,
+                     "parttypename": null,
+                     "partuuid": null,
+                     "path": "/dev/md0",
+                     "phy-sec": 512,
+                     "pkname": "sda3",
+                     "pttype": null,
+                     "ptuuid": null,
+                     "ra": 128,
+                     "rand": false,
+                     "rev": null,
+                     "rm": false,
+                     "ro": false,
+                     "rota": true,
+                     "rq-size": 512,
+                     "sched": null,
+                     "serial": null,
+                     "size": 958887010304,
+                     "start": null,
+                     "state": null,
+                     "subsystems": "block",
+                     "mountpoint": "/",
+                     "mountpoints": [
+                         "/"
+                     ],
+                     "tran": null,
+                     "type": "raid1",
+                     "uuid": "d0d0d0d0-d0d0-d0d0-d0d0-d0d0d0d0d0d0",
+                     "vendor": null,
+                     "wsame": 0,
+                     "wwn": null,
+                     "zoned": "none",
+                     "zone-sz": 0,
+                     "zone-wgran": 0,
+                     "zone-app": 0,
+                     "zone-nr": 0,
+                     "zone-omax": 0,
+                     "zone-amax": 0
+                  }
+               ]
+            }
+         ]
+      },{
+         "alignment": 0,
+         "id-link": null,
+         "id": null,
+         "disc-aln": 0,
+         "dax": false,
+         "disc-gran": 0,
+         "disk-seq": 2,
+         "disc-max": 0,
+         "disc-zero": false,
+         "fsavail": null,
+         "fsroots": [
+             null
+         ],
+         "fssize": null,
+         "fstype": null,
+         "fsused": null,
+         "fsuse%": null,
+         "fsver": null,
+         "group": "disk",
+         "hctl": null,
+         "hotplug": false,
+         "kname": "sdb",
+         "label": null,
+         "log-sec": 512,
+         "maj:min": "8:16",
+         "maj": "8",
+         "min": "16",
+         "min-io": 512,
+         "mode": "brw-rw----",
+         "model": "SAMSUNG MZ7LH960",
+         "mq": "  4",
+         "name": "sdb",
+         "opt-io": 0,
+         "owner": "root",
+         "partflags": null,
+         "partlabel": null,
+         "partn": null,
+         "parttype": null,
+         "parttypename": null,
+         "partuuid": null,
+         "path": "/dev/sdb",
+         "phy-sec": 512,
+         "pkname": null,
+         "pttype": "gpt",
+         "ptuuid": "f6e7d8c9-b0a1-2345-6789-abcdef012345",
+         "ra": 128,
+         "rand": false,
+         "rev": null,
+         "rm": false,
+         "ro": false,
+         "rota": true,
+         "rq-size": 256,
+         "sched": "mq-deadline",
+         "serial": "S000000000002",
+         "size": 960197124096,
+         "start": null,
+         "state": "running",
+         "subsystems": "block:scsi:pci",
+         "mountpoint": null,
+         "mountpoints": [
+             null
+         ],
+         "tran": "sata",
+         "type": "disk",
+         "uuid": null,
+         "vendor": "ATA     ",
+         "wsame": 0,
+         "wwn": "0x5002538000000002",
+         "zoned": "none",
+         "zone-sz": 0,
+         "zone-wgran": 0,
+         "zone-app": 0,
+         "zone-nr": 0,
+         "zone-omax": 0,
+         "zone-amax": 0,
+         "children": [
+            {
+               "alignment": 0,
+               "id-link": null,
+               "id": null,
+               "disc-aln": 0,
+               "dax": false,
+               "disc-gran": 0,
+               "disk-seq": 0,
+               "disc-max": 0,
+               "disc-zero": false,
+               "fsavail": null,
+               "fsroots": [
+                   null
+               ],
+               "fssize": null,
+               "fstype": "vfat",
+               "fsused": null,
+               "fsuse%": null,
+               "fsver": "FAT32",
+               "group": "disk",
+               "hctl": null,
+               "hotplug": false,
+               "kname": "sdb1",
+               "label": "EFI-SYSTEM",
+               "log-sec": 512,
+               "maj:min": "8:17",
+               "maj": "8",
+               "min": "17",
+               "min-io": 512,
+               "mode": "brw-rw----",
+               "model": null,
+               "mq": null,
+               "name": "sdb1",
+               "opt-io": 0,
+               "owner": "root",
+               "partflags": null,
+               "partlabel": "EFI-SYSTEM",
+               "partn": 1,
+               "parttype": "c12a7328-f81f-11d2-ba4b-00a0c93ec93b",
+               "parttypename": "EFI System",
+               "partuuid": "a2a2a2a2-a2a2-a2a2-a2a2-a2a2a2a2a2a2",
+               "path": "/dev/sdb1",
+               "phy-sec": 512,
+               "pkname": "sdb",
+               "pttype": "gpt",
+               "ptuuid": "f6e7d8c9-b0a1-2345-6789-abcdef012345",
+               "ra": 128,
+               "rand": false,
+               "rev": null,
+               "rm": false,
+               "ro": false,
+               "rota": true,
+               "rq-size": 256,
+               "sched": "mq-deadline",
+               "serial": null,
+               "size": 629145600,
+               "start": 2048,
+               "state": null,
+               "subsystems": "block:scsi:pci",
+               "mountpoint": null,
+               "mountpoints": [
+                   null
+               ],
+               "tran": null,
+               "type": "part",
+               "uuid": "AAAA-2222",
+               "vendor": null,
+               "wsame": 0,
+               "wwn": "0x5002538000000002",
+               "zoned": "none",
+               "zone-sz": 0,
+               "zone-wgran": 0,
+               "zone-app": 0,
+               "zone-nr": 0,
+               "zone-omax": 0,
+               "zone-amax": 0
+            },{
+               "alignment": 0,
+               "id-link": null,
+               "id": null,
+               "disc-aln": 0,
+               "dax": false,
+               "disc-gran": 0,
+               "disk-seq": 0,
+               "disc-max": 0,
+               "disc-zero": false,
+               "fsavail": null,
+               "fsroots": [
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+         ]
+      }
+   ]
+}
diff --git a/crates/blockdev/tests/fixtures/lsblk-vroc.json b/crates/blockdev/tests/fixtures/lsblk-vroc.json
new file mode 100644
index 000000000..c4149728c
--- /dev/null
+++ b/crates/blockdev/tests/fixtures/lsblk-vroc.json
@@ -0,0 +1,1233 @@
+{
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+                         "/mnt"
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