diff --git a/disks.go b/disks.go
index c63446a..6547567 100644
--- a/disks.go
+++ b/disks.go
@@ -25,6 +25,7 @@ type DiskMetrics struct {
 	SMARTStatus       string       `json:"smartStatus"`
 	SMARTAvailable    bool         `json:"smartAvailable"`
 	AttentionReasons  []string     `json:"attentionReasons"`
+	SMARTHistory      []string     `json:"smartHistory"`
 	Temperature       *float64     `json:"temperatureCelsius"`
 	PowerOnHours      *uint64      `json:"powerOnHours"`
 	WearUsedPercent   *float64     `json:"wearUsedPercent"`
@@ -33,6 +34,7 @@ type DiskMetrics struct {
 	Uncorrectable     uint64       `json:"uncorrectable"`
 	CRCErrors         uint64       `json:"crcErrors"`
 	MediaErrors       uint64       `json:"mediaErrors"`
+	SMARTErrorCount   uint64       `json:"smartErrorCount"`
 	CounterChanges    []string     `json:"counterChanges"`
 	LastSelfTest      string       `json:"lastSelfTest"`
 	LastSelfTestAt    string       `json:"lastSelfTestAt"`
@@ -203,7 +205,7 @@ func diskCounterChanges(old, current DiskMetrics) []string {
 	checks := []struct {
 		label    string
 		old, now uint64
-	}{{"Reallocated вырос", old.Reallocated, current.Reallocated}, {"Pending вырос", old.Pending, current.Pending}, {"Uncorrectable вырос", old.Uncorrectable, current.Uncorrectable}, {"CRC-ошибки выросли", old.CRCErrors, current.CRCErrors}, {"Media errors выросли", old.MediaErrors, current.MediaErrors}}
+	}{{"Reallocated вырос", old.Reallocated, current.Reallocated}, {"Pending вырос", old.Pending, current.Pending}, {"Uncorrectable вырос", old.Uncorrectable, current.Uncorrectable}, {"CRC-ошибки выросли", old.CRCErrors, current.CRCErrors}, {"Media errors выросли", old.MediaErrors, current.MediaErrors}, {"Ошибки SMART-журнала выросли", old.SMARTErrorCount, current.SMARTErrorCount}}
 	var changes []string
 	for _, check := range checks {
 		if check.now > check.old {
@@ -488,16 +490,23 @@ func applyATAAttributes(disk *DiskMetrics, smart smartctlJSON) {
 			wear := float64(100 - attribute.Value)
 			disk.WearUsedPercent = &wear
 		}
-		if attribute.WhenFailed != "" && attribute.WhenFailed != "-" {
+		if strings.EqualFold(attribute.WhenFailed, "FAILING_NOW") {
 			reason := attribute.Name + " вышел за порог"
 			if attribute.Raw.String != "" {
 				reason += " (" + attribute.Raw.String + ")"
 			}
 			disk.AttentionReasons = append(disk.AttentionReasons, reason)
+		} else if attribute.WhenFailed != "" && attribute.WhenFailed != "-" {
+			reason := attribute.Name + " ранее выходил за порог"
+			if attribute.Raw.String != "" {
+				reason += " (" + attribute.Raw.String + ")"
+			}
+			disk.SMARTHistory = append(disk.SMARTHistory, reason)
 		}
 	}
 	if smart.ATAErrorLog.Summary.Count > 0 {
-		disk.AttentionReasons = append(disk.AttentionReasons, "Ошибок в SMART-журнале: "+strconv.Itoa(smart.ATAErrorLog.Summary.Count))
+		disk.SMARTErrorCount = uint64(smart.ATAErrorLog.Summary.Count)
+		disk.SMARTHistory = append(disk.SMARTHistory, "Записей в SMART-журнале: "+strconv.Itoa(smart.ATAErrorLog.Summary.Count))
 	}
 }
 
@@ -511,12 +520,12 @@ func applySMARTExitStatus(disk *DiskMetrics, status int) {
 		disk.AttentionReasons = append(disk.AttentionReasons, "Критический SMART-атрибут достиг порога")
 	}
 	if status&32 != 0 {
-		disk.AttentionReasons = append(disk.AttentionReasons, "SMART-атрибут ранее находился ниже порога")
+		disk.SMARTHistory = append(disk.SMARTHistory, "SMART-атрибут ранее находился ниже порога")
 	}
 	if status&64 != 0 {
-		disk.AttentionReasons = append(disk.AttentionReasons, "В журнале SMART обнаружены ошибки")
+		disk.SMARTHistory = append(disk.SMARTHistory, "В журнале SMART есть старые записи об ошибках")
 	}
 	if status&128 != 0 {
-		disk.AttentionReasons = append(disk.AttentionReasons, "В журнале самотестирования есть ошибки")
+		disk.SMARTHistory = append(disk.SMARTHistory, "В журнале самотестирования есть старые ошибки")
 	}
 }
diff --git a/disks_test.go b/disks_test.go
index 84be4e1..c9cb4b5 100644
--- a/disks_test.go
+++ b/disks_test.go
@@ -4,6 +4,7 @@ import (
 	"encoding/json"
 	"os"
 	"path/filepath"
+	"strings"
 	"testing"
 )
 
@@ -68,3 +69,37 @@ func TestApplyATAWearAndReason(t *testing.T) {
 		t.Fatalf("причина предупреждения не добавлена: %+v", disk)
 	}
 }
+
+func TestHistoricalATAFailureDoesNotRequireAttention(t *testing.T) {
+	var smart smartctlJSON
+	attribute := struct {
+		Name       string `json:"name"`
+		Value      int    `json:"value"`
+		Threshold  int    `json:"thresh"`
+		WhenFailed string `json:"when_failed"`
+		Raw        struct {
+			String string `json:"string"`
+			Value  int64  `json:"value"`
+		} `json:"raw"`
+	}{Name: "Airflow_Temperature_Cel", WhenFailed: "In_the_past"}
+	attribute.Raw.String = "46 (Min/Max 26/47 #15)"
+	smart.ATAAttributes.Table = append(smart.ATAAttributes.Table, attribute)
+	disk := DiskMetrics{}
+	applyATAAttributes(&disk, smart)
+	applySMARTExitStatus(&disk, 32|64|128)
+	if len(disk.AttentionReasons) != 0 {
+		t.Fatalf("историческая ошибка стала активной: %+v", disk.AttentionReasons)
+	}
+	if len(disk.SMARTHistory) != 4 {
+		t.Fatalf("история SMART потеряна: %+v", disk.SMARTHistory)
+	}
+}
+
+func TestSMARTErrorLogGrowthRequiresAttention(t *testing.T) {
+	old := DiskMetrics{SMARTErrorCount: 2}
+	current := DiskMetrics{SMARTErrorCount: 3}
+	changes := diskCounterChanges(old, current)
+	if len(changes) != 1 || !strings.Contains(changes[0], "2 → 3") {
+		t.Fatalf("рост журнала не обнаружен: %+v", changes)
+	}
+}