diff --git a/internal/collector/redfish.go b/internal/collector/redfish.go
index 05cb8e0..882e1ca 100644
--- a/internal/collector/redfish.go
+++ b/internal/collector/redfish.go
@@ -80,6 +80,9 @@ func (c *RedfishConnector) Collect(ctx context.Context, req Request, emit Progre
 	systemPaths := c.discoverMemberPaths(ctx, client, req, baseURL, "/redfish/v1/Systems", "/redfish/v1/Systems/1")
 	chassisPaths := c.discoverMemberPaths(ctx, client, req, baseURL, "/redfish/v1/Chassis", "/redfish/v1/Chassis/1")
 	managerPaths := c.discoverMemberPaths(ctx, client, req, baseURL, "/redfish/v1/Managers", "/redfish/v1/Managers/1")
+	criticalPaths := redfishCriticalEndpoints(systemPaths, chassisPaths, managerPaths)
+	criticalClient := c.httpClientWithTimeout(req, redfishCriticalRequestTimeout())
+	criticalWarmDocs, criticalWarmErrs := c.collectCriticalRedfishDocsSequential(ctx, criticalClient, req, baseURL, criticalPaths)
 
 	if emit != nil {
 		emit(Progress{Status: "running", Progress: 30, Message: "Redfish: чтение структуры Redfish..."})
@@ -90,27 +93,48 @@ func (c *RedfishConnector) Collect(ctx context.Context, req Request, emit Progre
 	c.debugSnapshotf("snapshot crawl start host=%s port=%d", req.Host, req.Port)
 	rawTree, fetchErrors := c.collectRawRedfishTree(ctx, client, req, baseURL, redfishSnapshotPrioritySeeds(systemPaths, chassisPaths, managerPaths), emit)
 	c.debugSnapshotf("snapshot crawl done docs=%d", len(rawTree))
+	for p, doc := range criticalWarmDocs {
+		if _, ok := rawTree[p]; !ok {
+			rawTree[p] = doc
+		}
+	}
+	fetchErrMap := redfishFetchErrorListToMap(fetchErrors)
+	for p, msg := range criticalWarmErrs {
+		if _, ok := rawTree[p]; ok {
+			continue
+		}
+		if _, exists := fetchErrMap[p]; !exists {
+			fetchErrMap[p] = msg
+		}
+	}
+	if recoveredN := c.recoverCriticalRedfishDocsPlanB(ctx, criticalClient, req, baseURL, criticalPaths, rawTree, fetchErrMap, emit); recoveredN > 0 {
+		c.debugSnapshotf("critical plan-b recovered docs=%d", recoveredN)
+	}
 	if emit != nil {
 		emit(Progress{Status: "running", Progress: 99, Message: "Redfish: анализ raw snapshot..."})
 	}
 	rawPayloads := map[string]any{
 		"redfish_tree": rawTree,
 	}
-	if len(fetchErrors) > 0 {
-		rawPayloads["redfish_fetch_errors"] = fetchErrors
+	if len(fetchErrMap) > 0 {
+		rawPayloads["redfish_fetch_errors"] = redfishFetchErrorMapToList(fetchErrMap)
 	}
 	// Unified tunnel: live collection and raw import go through the same analyzer over redfish_tree.
 	return ReplayRedfishFromRawPayloads(rawPayloads, nil)
 }
 
 func (c *RedfishConnector) httpClient(req Request) *http.Client {
+	return c.httpClientWithTimeout(req, c.timeout)
+}
+
+func (c *RedfishConnector) httpClientWithTimeout(req Request, timeout time.Duration) *http.Client {
 	transport := &http.Transport{}
 	if req.TLSMode == "insecure" {
 		transport.TLSClientConfig = &tls.Config{InsecureSkipVerify: true} //nolint:gosec
 	}
 	return &http.Client{
 		Transport: transport,
-		Timeout:   c.timeout,
+		Timeout:   timeout,
 	}
 }
 
@@ -448,7 +472,7 @@ func (c *RedfishConnector) collectPCIeDevices(ctx context.Context, client *http.
 		for _, doc := range memberDocs {
 			functionDocs := c.getLinkedPCIeFunctions(ctx, client, req, baseURL, doc)
 			dev := parsePCIeDevice(doc, functionDocs)
-			key := firstNonEmpty(dev.BDF, dev.SerialNumber, dev.Slot+"|"+dev.DeviceClass)
+			key := pcieDeviceDedupKey(dev)
 			if key == "" {
 				continue
 			}
@@ -468,7 +492,7 @@ func (c *RedfishConnector) collectPCIeDevices(ctx context.Context, client *http.
 		}
 		for idx, fn := range functionDocs {
 			dev := parsePCIeFunction(fn, idx+1)
-			key := firstNonEmpty(dev.BDF, dev.SerialNumber, dev.Slot+"|"+dev.DeviceClass)
+			key := pcieDeviceDedupKey(dev)
 			if key == "" {
 				continue
 			}
@@ -775,6 +799,40 @@ func (c *RedfishConnector) probeDirectRedfishCollectionChildren(ctx context.Cont
 	return out
 }
 
+func (c *RedfishConnector) probeDirectRedfishCollectionChildrenSlow(ctx context.Context, client *http.Client, req Request, baseURL, collectionPath string) map[string]map[string]interface{} {
+	normalized := normalizeRedfishPath(collectionPath)
+	maxItems, startIndex, missBudget := directNumericProbePlan(normalized)
+	if maxItems <= 0 {
+		return nil
+	}
+	out := make(map[string]map[string]interface{})
+	consecutiveMisses := 0
+	for i := startIndex; i <= maxItems; i++ {
+		if len(out) > 0 || i > startIndex {
+			select {
+			case <-time.After(redfishCriticalSlowGap()):
+			case <-ctx.Done():
+				return out
+			}
+		}
+		path := fmt.Sprintf("%s/%d", normalized, i)
+		doc, err := c.getJSONWithRetry(ctx, client, req, baseURL, path, redfishCriticalPlanBAttempts(), redfishCriticalRetryBackoff())
+		if err != nil {
+			consecutiveMisses++
+			if consecutiveMisses >= missBudget {
+				break
+			}
+			continue
+		}
+		consecutiveMisses = 0
+		if !looksLikeRedfishResource(doc) {
+			continue
+		}
+		out[normalizeRedfishPath(path)] = doc
+	}
+	return out
+}
+
 func directNumericProbePlan(collectionPath string) (maxItems, startIndex, missBudget int) {
 	switch {
 	case strings.HasSuffix(collectionPath, "/Systems"):
@@ -848,6 +906,169 @@ func looksLikeRedfishResource(doc map[string]interface{}) bool {
 	return false
 }
 
+func shouldSlowProbeCriticalCollection(p string) bool {
+	p = normalizeRedfishPath(p)
+	for _, suffix := range []string{
+		"/Processors",
+		"/Memory",
+		"/Storage",
+		"/Drives",
+		"/Volumes",
+		"/PCIeDevices",
+		"/PCIeFunctions",
+		"/NetworkAdapters",
+		"/EthernetInterfaces",
+		"/NetworkInterfaces",
+		"/Sensors",
+		"/Fans",
+		"/Temperatures",
+		"/Voltages",
+	} {
+		if strings.HasSuffix(p, suffix) {
+			return true
+		}
+	}
+	return false
+}
+
+func redfishCriticalEndpoints(systemPaths, chassisPaths, managerPaths []string) []string {
+	var out []string
+	seen := make(map[string]struct{})
+	add := func(p string) {
+		p = normalizeRedfishPath(p)
+		if p == "" {
+			return
+		}
+		if _, ok := seen[p]; ok {
+			return
+		}
+		seen[p] = struct{}{}
+		out = append(out, p)
+	}
+	for _, p := range systemPaths {
+		add(p)
+		add(joinPath(p, "/Bios"))
+		add(joinPath(p, "/SecureBoot"))
+		add(joinPath(p, "/Processors"))
+		add(joinPath(p, "/Memory"))
+		add(joinPath(p, "/Storage"))
+		add(joinPath(p, "/SimpleStorage"))
+		add(joinPath(p, "/PCIeDevices"))
+		add(joinPath(p, "/EthernetInterfaces"))
+		add(joinPath(p, "/NetworkInterfaces"))
+	}
+	for _, p := range chassisPaths {
+		add(p)
+		add(joinPath(p, "/Power"))
+		add(joinPath(p, "/Thermal"))
+		add(joinPath(p, "/Sensors"))
+		add(joinPath(p, "/NetworkAdapters"))
+		add(joinPath(p, "/PCIeDevices"))
+		add(joinPath(p, "/Drives"))
+	}
+	for _, p := range managerPaths {
+		add(p)
+		add(joinPath(p, "/NetworkProtocol"))
+	}
+	add("/redfish/v1/UpdateService")
+	add("/redfish/v1/UpdateService/FirmwareInventory")
+	return out
+}
+
+func redfishFetchErrorListToMap(list []map[string]interface{}) map[string]string {
+	out := make(map[string]string, len(list))
+	for _, item := range list {
+		p := normalizeRedfishPath(asString(item["path"]))
+		if p == "" {
+			continue
+		}
+		out[p] = asString(item["error"])
+	}
+	return out
+}
+
+func redfishFetchErrorMapToList(m map[string]string) []map[string]interface{} {
+	if len(m) == 0 {
+		return nil
+	}
+	out := make([]map[string]interface{}, 0, len(m))
+	for p, msg := range m {
+		out = append(out, map[string]interface{}{"path": p, "error": msg})
+	}
+	sort.Slice(out, func(i, j int) bool {
+		return asString(out[i]["path"]) < asString(out[j]["path"])
+	})
+	return out
+}
+
+func isRetryableRedfishFetchError(err error) bool {
+	if err == nil {
+		return false
+	}
+	msg := strings.ToLower(err.Error())
+	if strings.Contains(msg, "timeout") || strings.Contains(msg, "deadline exceeded") || strings.Contains(msg, "connection reset") || strings.Contains(msg, "unexpected eof") {
+		return true
+	}
+	if strings.HasPrefix(msg, "status 500 ") || strings.HasPrefix(msg, "status 502 ") || strings.HasPrefix(msg, "status 503 ") || strings.HasPrefix(msg, "status 504 ") {
+		return true
+	}
+	return false
+}
+
+func redfishCriticalRequestTimeout() time.Duration {
+	if v := strings.TrimSpace(os.Getenv("LOGPILE_REDFISH_CRITICAL_TIMEOUT")); v != "" {
+		if d, err := time.ParseDuration(v); err == nil && d > 0 {
+			return d
+		}
+	}
+	return 45 * time.Second
+}
+
+func redfishCriticalRetryAttempts() int {
+	if v := strings.TrimSpace(os.Getenv("LOGPILE_REDFISH_CRITICAL_RETRIES")); v != "" {
+		if n, err := strconv.Atoi(v); err == nil && n >= 1 && n <= 10 {
+			return n
+		}
+	}
+	return 3
+}
+
+func redfishCriticalPlanBAttempts() int {
+	if v := strings.TrimSpace(os.Getenv("LOGPILE_REDFISH_CRITICAL_PLANB_RETRIES")); v != "" {
+		if n, err := strconv.Atoi(v); err == nil && n >= 1 && n <= 10 {
+			return n
+		}
+	}
+	return 3
+}
+
+func redfishCriticalRetryBackoff() time.Duration {
+	if v := strings.TrimSpace(os.Getenv("LOGPILE_REDFISH_CRITICAL_BACKOFF")); v != "" {
+		if d, err := time.ParseDuration(v); err == nil && d >= 0 {
+			return d
+		}
+	}
+	return 1500 * time.Millisecond
+}
+
+func redfishCriticalCooldown() time.Duration {
+	if v := strings.TrimSpace(os.Getenv("LOGPILE_REDFISH_CRITICAL_COOLDOWN")); v != "" {
+		if d, err := time.ParseDuration(v); err == nil && d >= 0 {
+			return d
+		}
+	}
+	return 4 * time.Second
+}
+
+func redfishCriticalSlowGap() time.Duration {
+	if v := strings.TrimSpace(os.Getenv("LOGPILE_REDFISH_CRITICAL_SLOW_GAP")); v != "" {
+		if d, err := time.ParseDuration(v); err == nil && d >= 0 {
+			return d
+		}
+	}
+	return 1200 * time.Millisecond
+}
+
 func redfishLinkRefs(doc map[string]interface{}, topKey, nestedKey string) []string {
 	top, ok := doc[topKey].(map[string]interface{})
 	if !ok {
@@ -870,6 +1091,36 @@ func redfishLinkRefs(doc map[string]interface{}, topKey, nestedKey string) []str
 	return out
 }
 
+func pcieDeviceDedupKey(dev models.PCIeDevice) string {
+	if bdf := strings.TrimSpace(dev.BDF); looksLikeCanonicalBDF(bdf) {
+		return strings.ToLower(bdf)
+	}
+	if s := strings.TrimSpace(dev.SerialNumber); s != "" {
+		return s
+	}
+	return firstNonEmpty(
+		strings.TrimSpace(dev.Slot)+"|"+strings.TrimSpace(dev.PartNumber)+"|"+strings.TrimSpace(dev.DeviceClass),
+		strings.TrimSpace(dev.Slot)+"|"+strings.TrimSpace(dev.DeviceClass),
+		strings.TrimSpace(dev.PartNumber)+"|"+strings.TrimSpace(dev.DeviceClass),
+		strings.TrimSpace(dev.Description)+"|"+strings.TrimSpace(dev.DeviceClass),
+	)
+}
+
+func looksLikeCanonicalBDF(bdf string) bool {
+	bdf = strings.TrimSpace(strings.ToLower(bdf))
+	if bdf == "" {
+		return false
+	}
+	// Accept common forms: 0000:65:00.0 or 65:00.0
+	if strings.Count(bdf, ":") == 2 && strings.Contains(bdf, ".") {
+		return true
+	}
+	if strings.Count(bdf, ":") == 1 && strings.Contains(bdf, ".") {
+		return true
+	}
+	return false
+}
+
 func shouldCrawlPath(path string) bool {
 	if path == "" {
 		return false
@@ -1013,6 +1264,163 @@ func (c *RedfishConnector) getJSON(ctx context.Context, client *http.Client, req
 	return doc, nil
 }
 
+func (c *RedfishConnector) getJSONWithRetry(ctx context.Context, client *http.Client, req Request, baseURL, requestPath string, attempts int, backoff time.Duration) (map[string]interface{}, error) {
+	if attempts < 1 {
+		attempts = 1
+	}
+	var lastErr error
+	for i := 0; i < attempts; i++ {
+		doc, err := c.getJSON(ctx, client, req, baseURL, requestPath)
+		if err == nil {
+			return doc, nil
+		}
+		lastErr = err
+		if i == attempts-1 || !isRetryableRedfishFetchError(err) {
+			break
+		}
+		if backoff > 0 {
+			select {
+			case <-time.After(backoff * time.Duration(i+1)):
+			case <-ctx.Done():
+				return nil, ctx.Err()
+			}
+		}
+	}
+	return nil, lastErr
+}
+
+func (c *RedfishConnector) collectCriticalRedfishDocsSequential(ctx context.Context, client *http.Client, req Request, baseURL string, paths []string) (map[string]interface{}, map[string]string) {
+	docs := make(map[string]interface{})
+	errs := make(map[string]string)
+	for _, p := range paths {
+		doc, err := c.getJSONWithRetry(ctx, client, req, baseURL, p, redfishCriticalRetryAttempts(), redfishCriticalRetryBackoff())
+		if err != nil {
+			errs[p] = err.Error()
+			continue
+		}
+		docs[p] = doc
+		// For critical collections, eagerly fetch members sequentially with the same slow policy.
+		if members, ok := c.collectCriticalCollectionMembersSequential(ctx, client, req, baseURL, p, doc); ok {
+			for mp, md := range members {
+				docs[mp] = md
+			}
+		}
+	}
+	return docs, errs
+}
+
+func (c *RedfishConnector) collectCriticalCollectionMembersSequential(ctx context.Context, client *http.Client, req Request, baseURL, collectionPath string, collectionDoc map[string]interface{}) (map[string]interface{}, bool) {
+	refs, ok := collectionDoc["Members"].([]interface{})
+	if !ok || len(refs) == 0 {
+		return nil, false
+	}
+	out := make(map[string]interface{})
+	for _, refAny := range refs {
+		ref, ok := refAny.(map[string]interface{})
+		if !ok {
+			continue
+		}
+		memberPath := normalizeRedfishPath(asString(ref["@odata.id"]))
+		if memberPath == "" {
+			continue
+		}
+		doc, err := c.getJSONWithRetry(ctx, client, req, baseURL, memberPath, redfishCriticalRetryAttempts(), redfishCriticalRetryBackoff())
+		if err != nil {
+			continue
+		}
+		out[memberPath] = doc
+	}
+	return out, true
+}
+
+func (c *RedfishConnector) recoverCriticalRedfishDocsPlanB(ctx context.Context, client *http.Client, req Request, baseURL string, criticalPaths []string, rawTree map[string]interface{}, fetchErrs map[string]string, emit ProgressFn) int {
+	var targets []string
+	for _, p := range criticalPaths {
+		p = normalizeRedfishPath(p)
+		if p == "" {
+			continue
+		}
+		if _, ok := rawTree[p]; ok {
+			continue
+		}
+		errMsg, hasErr := fetchErrs[p]
+		if !hasErr || !isRetryableRedfishFetchError(fmt.Errorf("%s", errMsg)) {
+			continue
+		}
+		targets = append(targets, p)
+	}
+	if len(targets) == 0 {
+		return 0
+	}
+	if emit != nil {
+		emit(Progress{Status: "running", Progress: 97, Message: "Redfish: cooldown перед повторным добором критичных endpoint..."})
+	}
+	select {
+	case <-time.After(redfishCriticalCooldown()):
+	case <-ctx.Done():
+		return 0
+	}
+
+	recovered := 0
+	for i, p := range targets {
+		if emit != nil {
+			emit(Progress{
+				Status:   "running",
+				Progress: 97,
+				Message:  fmt.Sprintf("Redfish: plan-B (%d/%d) %s", i+1, len(targets), compactProgressPath(p)),
+			})
+		}
+		if i > 0 {
+			select {
+			case <-time.After(redfishCriticalSlowGap()):
+			case <-ctx.Done():
+				return recovered
+			}
+		}
+		doc, err := c.getJSONWithRetry(ctx, client, req, baseURL, p, redfishCriticalPlanBAttempts(), redfishCriticalRetryBackoff())
+		if err == nil {
+			rawTree[p] = doc
+			delete(fetchErrs, p)
+			recovered++
+			if members, ok := c.collectCriticalCollectionMembersSequential(ctx, client, req, baseURL, p, doc); ok {
+				for mp, md := range members {
+					if _, exists := rawTree[mp]; !exists {
+						rawTree[mp] = md
+						recovered++
+					}
+				}
+			}
+			if shouldSlowProbeCriticalCollection(p) {
+				if children := c.probeDirectRedfishCollectionChildrenSlow(ctx, client, req, baseURL, p); len(children) > 0 {
+					for cp, cd := range children {
+						if _, exists := rawTree[cp]; exists {
+							continue
+						}
+						rawTree[cp] = cd
+						recovered++
+					}
+				}
+			}
+			continue
+		}
+		fetchErrs[p] = err.Error()
+		// If collection endpoint times out, still try direct child probing for common numeric paths.
+		if shouldSlowProbeCriticalCollection(p) {
+			if children := c.probeDirectRedfishCollectionChildrenSlow(ctx, client, req, baseURL, p); len(children) > 0 {
+				for cp, cd := range children {
+					if _, exists := rawTree[cp]; exists {
+						continue
+					}
+					rawTree[cp] = cd
+					recovered++
+				}
+				delete(fetchErrs, p)
+			}
+		}
+	}
+	return recovered
+}
+
 func parseBoardInfo(system map[string]interface{}) models.BoardInfo {
 	return models.BoardInfo{
 		Manufacturer: asString(system["Manufacturer"]),
diff --git a/internal/collector/redfish_replay.go b/internal/collector/redfish_replay.go
index a3144b2..2040676 100644
--- a/internal/collector/redfish_replay.go
+++ b/internal/collector/redfish_replay.go
@@ -534,7 +534,7 @@ func (r redfishSnapshotReader) collectPCIeDevices(systemPaths, chassisPaths []st
 		for _, doc := range memberDocs {
 			functionDocs := r.getLinkedPCIeFunctions(doc)
 			dev := parsePCIeDevice(doc, functionDocs)
-			key := firstNonEmpty(dev.BDF, dev.SerialNumber, dev.Slot+"|"+dev.DeviceClass)
+			key := pcieDeviceDedupKey(dev)
 			if key == "" {
 				continue
 			}
@@ -552,7 +552,7 @@ func (r redfishSnapshotReader) collectPCIeDevices(systemPaths, chassisPaths []st
 		}
 		for idx, fn := range functionDocs {
 			dev := parsePCIeFunction(fn, idx+1)
-			key := firstNonEmpty(dev.BDF, dev.SerialNumber, dev.Slot+"|"+dev.DeviceClass)
+			key := pcieDeviceDedupKey(dev)
 			if key == "" {
 				continue
 			}