diff --git a/weed/admin/plugin/workers/erasure_coding/schema.go b/weed/admin/plugin/workers/erasure_coding/schema.go
new file mode 100644
index 000000000..fb2d0371f
--- /dev/null
+++ b/weed/admin/plugin/workers/erasure_coding/schema.go
@@ -0,0 +1,205 @@
+package erasure_coding
+
+import (
+	"encoding/json"
+
+	"github.com/seaweedfs/seaweedfs/weed/pb/plugin_pb"
+)
+
+// ConfigurationSchema defines the schema for EC plugin configuration
+type ConfigurationSchema struct {
+	AdminConfig  AdminConfigSchema  `json:"admin_config"`
+	WorkerConfig WorkerConfigSchema `json:"worker_config"`
+}
+
+// AdminConfigSchema defines admin-side configuration
+type AdminConfigSchema struct {
+	DetectionInterval    ConfigField `json:"detection_interval"`
+	MaxConcurrentJobs    ConfigField `json:"max_concurrent_jobs"`
+	JobTimeout           ConfigField `json:"job_timeout"`
+	HealthCheckInterval  ConfigField `json:"health_check_interval"`
+	RetryPolicy          ConfigField `json:"retry_policy"`
+}
+
+// WorkerConfigSchema defines worker-side configuration
+type WorkerConfigSchema struct {
+	StripeSize         ConfigField `json:"stripe_size"`
+	EncodeCopies       ConfigField `json:"encode_copies"`
+	RackAwareness      ConfigField `json:"rack_awareness"`
+	DataCenterAwareness ConfigField `json:"datacenter_awareness"`
+	MinVolumeSize      ConfigField `json:"min_volume_size"`
+	MaxVolumeSize      ConfigField `json:"max_volume_size"`
+	PreferredDataNodes ConfigField `json:"preferred_data_nodes"`
+}
+
+// ConfigField describes a configuration field
+type ConfigField struct {
+	Name        string        `json:"name"`
+	Description string        `json:"description"`
+	Type        string        `json:"type"`
+	Required    bool          `json:"required"`
+	Default     interface{}   `json:"default,omitempty"`
+	Min         interface{}   `json:"min,omitempty"`
+	Max         interface{}   `json:"max,omitempty"`
+	Options     []interface{} `json:"options,omitempty"`
+	Unit        string        `json:"unit,omitempty"`
+}
+
+// GetConfigurationSchema returns the schema for EC plugin configuration
+func GetConfigurationSchema() *plugin_pb.PluginConfig {
+	schema := ConfigurationSchema{
+		AdminConfig: AdminConfigSchema{
+			DetectionInterval: ConfigField{
+				Name:        "detection_interval",
+				Description: "Time between EC detection scans",
+				Type:        "duration",
+				Required:    true,
+				Default:     "1h",
+				Min:         "5m",
+				Max:         "24h",
+				Unit:        "seconds",
+			},
+			MaxConcurrentJobs: ConfigField{
+				Name:        "max_concurrent_jobs",
+				Description: "Maximum concurrent EC encoding jobs",
+				Type:        "integer",
+				Required:    true,
+				Default:     5,
+				Min:         1,
+				Max:         20,
+			},
+			JobTimeout: ConfigField{
+				Name:        "job_timeout",
+				Description: "Timeout for individual EC jobs",
+				Type:        "duration",
+				Required:    true,
+				Default:     "12h",
+				Min:         "1h",
+				Max:         "48h",
+				Unit:        "seconds",
+			},
+			HealthCheckInterval: ConfigField{
+				Name:        "health_check_interval",
+				Description: "Health check interval",
+				Type:        "duration",
+				Required:    true,
+				Default:     "30s",
+				Min:         "5s",
+				Max:         "5m",
+				Unit:        "seconds",
+			},
+			RetryPolicy: ConfigField{
+				Name:        "retry_policy",
+				Description: "Retry policy for failed jobs",
+				Type:        "string",
+				Required:    true,
+				Default:     "exponential",
+				Options:     []interface{}{"linear", "exponential", "none"},
+			},
+		},
+		WorkerConfig: WorkerConfigSchema{
+			StripeSize: ConfigField{
+				Name:        "stripe_size",
+				Description: "Size of each stripe in MB",
+				Type:        "integer",
+				Required:    true,
+				Default:     10,
+				Min:         1,
+				Max:         100,
+				Unit:        "MB",
+			},
+			EncodeCopies: ConfigField{
+				Name:        "encode_copies",
+				Description: "Number of copies to keep after encoding",
+				Type:        "integer",
+				Required:    true,
+				Default:     1,
+				Min:         1,
+				Max:         3,
+			},
+			RackAwareness: ConfigField{
+				Name:        "rack_awareness",
+				Description: "Enable rack-aware stripe distribution",
+				Type:        "boolean",
+				Required:    true,
+				Default:     true,
+			},
+			DataCenterAwareness: ConfigField{
+				Name:        "datacenter_awareness",
+				Description: "Enable data center aware stripe distribution",
+				Type:        "boolean",
+				Required:    true,
+				Default:     false,
+			},
+			MinVolumeSize: ConfigField{
+				Name:        "min_volume_size",
+				Description: "Minimum volume size to consider for EC",
+				Type:        "integer",
+				Required:    true,
+				Default:     1000,
+				Min:         100,
+				Unit:        "MB",
+			},
+			MaxVolumeSize: ConfigField{
+				Name:        "max_volume_size",
+				Description: "Maximum volume size to consider for EC",
+				Type:        "integer",
+				Required:    true,
+				Default:     10000,
+				Max:         100000,
+				Unit:        "MB",
+			},
+			PreferredDataNodes: ConfigField{
+				Name:        "preferred_data_nodes",
+				Description: "Comma-separated list of preferred data nodes",
+				Type:        "string",
+				Required:    false,
+			},
+		},
+	}
+
+	data, _ := json.MarshalIndent(schema, "", "  ")
+
+	return &plugin_pb.PluginConfig{
+		PluginId: "erasure-coding-plugin",
+		Properties: map[string]string{
+			"schema":                  string(data),
+			"detection_interval":      "1h",
+			"max_concurrent_jobs":     "5",
+			"job_timeout":             "12h",
+			"health_check_interval":   "30s",
+			"retry_policy":            "exponential",
+			"stripe_size":             "10",
+			"encode_copies":           "1",
+			"rack_awareness":          "true",
+			"datacenter_awareness":    "false",
+			"min_volume_size":         "1000",
+			"max_volume_size":         "10000",
+			"preferred_data_nodes":    "",
+		},
+	}
+}
+
+// DefaultAdminConfig returns default admin configuration
+func DefaultAdminConfig() map[string]string {
+	return map[string]string{
+		"detection_interval":     "1h",
+		"max_concurrent_jobs":    "5",
+		"job_timeout":            "12h",
+		"health_check_interval":  "30s",
+		"retry_policy":           "exponential",
+	}
+}
+
+// DefaultWorkerConfig returns default worker configuration
+func DefaultWorkerConfig() map[string]string {
+	return map[string]string{
+		"stripe_size":            "10",
+		"encode_copies":          "1",
+		"rack_awareness":         "true",
+		"datacenter_awareness":   "false",
+		"min_volume_size":        "1000",
+		"max_volume_size":        "10000",
+		"preferred_data_nodes":   "",
+	}
+}