fix: change default ports from 9500/9501 to 8550/8551

Avoids conflict with MinIO which uses 9500-9501. New ports:
- Peer listener: 8550
- UDP discovery: 8551

Co-Authored-By: CodeWolf <paul@wolf.uk.com>
Co-Authored-By: Wolf Software Systems Ltd <paul@wolf.uk.com>

Author: Paul C

wolfdisk/setup.sh

@@ -270,7 +270,7 @@ if [ ! -f "/etc/wolfdisk/config.toml" ]; then
     case $DISCOVERY_CHOICE in
         2)
             echo ""
-            echo -n "  Enter peer addresses (comma-separated, e.g. 192.168.1.10:9500,192.168.1.11:9500): "
+            echo -n "  Enter peer addresses (comma-separated, e.g. 192.168.1.10:8550,192.168.1.11:8550): "
             read PEERS_INPUT < /dev/tty
             if [ -n "$PEERS_INPUT" ]; then
                 # Convert comma-separated to TOML array format
@@ -282,7 +282,7 @@ if [ ! -f "/etc/wolfdisk/config.toml" ]; then
             # Standalone - no discovery, no peers
             ;;
         *)
-            DISCOVERY_CONFIG="discovery = \"udp://$BIND_IP:9501\""
+            DISCOVERY_CONFIG="discovery = \"udp://$BIND_IP:8551\""
             ;;
     esac
 
@@ -302,7 +302,7 @@ if [ ! -f "/etc/wolfdisk/config.toml" ]; then
 [node]
 id = "$NODE_ID"
 role = "$NODE_ROLE"
-bind = "$BIND_IP:9500"
+bind = "$BIND_IP:8550"
 data_dir = "/var/lib/wolfdisk"
 
 [cluster]
@@ -323,7 +323,7 @@ EOF
     echo "  Configuration Summary:"
     echo "    Node ID:    $NODE_ID"
     echo "    Role:       $NODE_ROLE"
-    echo "    Bind:       $BIND_IP:9500"
+    echo "    Bind:       $BIND_IP:8550"
     echo "    Mount:      $MOUNT_PATH"
     if [ -n "$DISCOVERY_CONFIG" ]; then
         echo "    Discovery:  UDP multicast (auto)"

wolfdisk/src/config.rs

@@ -50,7 +50,7 @@ fn default_role() -> NodeRole {
 }
 
 fn default_bind() -> String {
-    "0.0.0.0:9500".to_string()
+    "0.0.0.0:8550".to_string()
 }
 
 fn default_data_dir() -> PathBuf {

wolfdisk/src/network/discovery.rs

@@ -14,7 +14,7 @@ use tracing::{debug, info, warn};
 use crate::config::NodeRole;
 
 /// Discovery port
-pub const DISCOVERY_PORT: u16 = 9501;
+pub const DISCOVERY_PORT: u16 = 8551;
 
 /// Discovery message prefix
 const DISCOVERY_PREFIX: &str = "WOLFDISK";
@@ -188,7 +188,7 @@ fn run_broadcaster(
     ];
 
     // If bind address is on a specific IP (not 0.0.0.0), also broadcast to its /24 subnet
-    // e.g. bind 10.10.10.3:9500 → broadcast to 10.10.10.255:9501
+    // e.g. bind 10.10.10.3:8550 → broadcast to 10.10.10.255:8551
     if let Ok(bind_sock) = bind_address.parse::<SocketAddr>() {
         let ip = bind_sock.ip();
         if let std::net::IpAddr::V4(v4) = ip {
@@ -261,7 +261,7 @@ fn run_listener(
                         // If the advertised address uses 0.0.0.0 (wildcard bind),
                         // replace with the actual source IP from the UDP packet
                         let actual_address = if msg_address.starts_with("0.0.0.0:") {
-                            let port = msg_address.strip_prefix("0.0.0.0:").unwrap_or("9500");
+                            let port = msg_address.strip_prefix("0.0.0.0:").unwrap_or("8550");
                             let fixed = format!("{}:{}", src.ip(), port);
                             info!("Peer {} advertised 0.0.0.0, using actual IP: {}", msg_node_id, fixed);
                             fixed