SMART（Self-Monitoring、Analysis and Reporting Technology）は、多くの場合SMARTと呼ばれ、コンピューターのハードディスクドライブ（HDD^(HDDs)）、ソリッドステートドライブ（SSD^(SSDs)）、およびeMMCドライブに含まれる監視システムです。

その主な機能は、差し迫ったハードウェア障害を予測することを目的として、ドライブの信頼性のさまざまな指標を検出して報告することです。この投稿では、コマンドプロンプト^{(Command Prompt)}、PowerShell、およびパフォーマンスモニター^{(Performance Monitor)}でドライブのSMART障害予測ステータス^{(SMART Failure Predict Status)}を確認する方法を紹介します。

^{(Check SMART Failure Predict Status)}Windows 11/10のドライブ^(Drives)のSMART障害予測ステータスを確認する

このオプションを使用するには、管理者としてサインインする必要があります。

ハードドライブ（HDD）がアイドル状態になった後、現在電源がオフになっている状態の場合、このレポートには表示されません。現在オンになっていて実行中のドライブのみがこのレポートに表示されます。

1]コマンドプロンプト^{(Command Prompt)}でSMART^(Drives)障害予測ステータス^{(SMART Failure Predict Status)}を確認するには、次の手順を実行します。

• Windows key + Rを押して、[実行]ダイアログを呼び出します。
• [ファイル名を指定して実行]ダイアログボックスで、cmdと入力し、 Enterキーを押して^(Enter)コマンドプロンプト^{(Command Prompt)}を開きます。
• コマンドプロンプトウィンドウで、以下のコマンドを 入力し、 Enterキー^(Enter)を押します。

wmic /namespace:\\root\wmi path MSStorageDriver_FailurePredictStatus

• ドライブのPredictFailureが^{(PredictFailure)}FALSEと表示された場合、ドライブに問題は見つかりませんでした。
• ドライブのPredictFailureが^{(PredictFailure)}TRUEと表示されている場合は、この投稿の最後にある表でIDの理由番号^{(Reason number)}を調べて意味を確認してください。

2] PowerShellでドライブ^(Drives)のSMART障害予測ステータス^{(SMART Failure Predict Status)}を確認するには、次の手順を実行します。

• Windows key + Xを押して、パワーユーザーメニューを開きます^{(open Power User Menu)}。
• 次に、キーボードのiを押してPowerShellを起動します。
• PowerShellコンソールで、以下のコマンドを入力するかコピーして貼り付け、Enterキー^(Enter)を押します。

Get-WmiObject -namespace root\wmi -class MSStorageDriver_FailurePredictStatus

• ドライブのPredictFailureが^{(PredictFailure)}FALSEと表示された場合、ドライブに問題は見つかりませんでした。
• ドライブのPredictFailureが^{(PredictFailure)}TRUEと表示されている場合は、この投稿の最後にある表でIDの理由番号^{(Reason number)}を調べて意味を確認してください。

関連^(Related)：ハードディスク^{(SMART Failure Predicted on Hard Disk)}エラーで予測されるSMART障害。

3]パフォーマンスモニター^{(Performance Monitor)}でドライブ^(Drives)のSMART障害予測ステータス^{(SMART Failure Predict Status)}を確認するには、次の手順を実行します。

• [実行]ダイアログボックスを呼び出します。
• ダイアログボックスで、perfmonEnterキーを押して入力し、パフォーマンスモニターを開き^{(open Performance Monitor)}ます。
• [データコレクターセット]を^{(Data Collector Sets, )}展開 し、[パフォーマンスモニター]^{(Performance Monitor)}の左側のペインで[システム^(System)]を展開します。
• [システム診断^{(System Diagnostics)}]を右クリックまたは長押しし、[スタート^(Start)]をクリック/タップします 。

このレポートは、60秒間データの収集を開始します。レポートが生成されるまで、さらに最大60秒かかる場合があります。

• システム診断レポート^{(System Diagnostics report)}の 生成が終了したら 、 パフォーマンスモニター^{(Performance Monitor)}の左側のペインで[レポート]^(Reports) >[System > システム診断]^{(System Diagnostics)}を展開します。
• [システム診断^{(System Diagnostics)}]で、この 日時に作成（収集）され たレポート^(report)をクリック/タップし、[ 警告^(Warnings)]の下 の[ 基本的なシステムチェック^{(Basic System Checks)}] セクションで [ディスクチェック^{(Disk Checks)}]を展開します。

SMART Predict Failure Check が値 0で⁽⁰⁾FALSEを 示し  、  Descriptionが^{(Description)}Passed として示されて いる場合 、ドライブに問題は見つかりませんでした。

SMART Predict Failure Checkが^{(SMART Predict Failure Check)}0 以外の値で FALSEを 示し た場合 は 、下の表でIDの番号を調べ て意味を確認してください。

既知の^(Known)ATAS 。M。_ A。_ RT属性（IDコード）：^{(R.T. attributes (ID codes):)}

ドライブはすべての属性コード（ID）をサポートしているわけではありません。一部のコードは、特定のドライブタイプ（磁気プラッター、フラッシュ、SSD）に固有です。ドライブは、同じパラメータに対して異なるコードを使用する場合があります。

ドライブに重大なステータスがあると報告された場合は、すぐにドライブをバックアップして交換することをお勧めします。

Read Error Rate Throughput Performance Spin-Up Time Start/Stop Count Reallocated Sectors Count bad sectors Read Channel Margin Seek Error Rate Seek Time Performance Power-On Hours Spin Retry Count Recalibration Retries Calibration Retry Count Power Cycle Count Soft Read Error Rate Current Helium Level Available Reserved Space SSD Program Fail Count SSD Erase Fail Count SSD Wear Leveling Count Unexpected Power Loss Count Power Loss Protection Failure

• バイト0-1：キャップを放電するマイクロ秒単位の最後のテスト結果は、最大値で飽和します。テスト^(Test)結果は25<=結果<=5000000の範囲で期待され、下は特定のエラーコードを示します。
• バイト2〜3：最後のテストから数分、最大値で飽和します。
• バイト4〜5：電源サイクルで増分されない、テストの存続期間数は、最大値で飽和します。

正規化された値は、テストが失敗した場合は1に設定され、コンデンサが過度の温度条件でテストされた場合は11に設定され、それ以外の場合は100に設定されます。

Erase Fail Count Wear Range Delta Used Reserved Block Count Total Unused Reserved Block Count Total Program Fail Count Total Non-4K Aligned Access Count Erase Fail Count SATA Downshift Error Count Runtime Bad Block End-to-End error / IOEDC Head Stability Induced Op-Vibration Detection Reported Uncorrectable Errors Command Timeout High Fly Writes flying height Temperature Difference Airflow Temperature G-sense Error Rate Power-off Retract Count Emergency Retract Cycle Count Unsafe Shutdown Count Load Cycle Count Load/Unload Cycle Count Advanced Power Management Automatic acoustic management Temperature Temperature Celsius Hardware ECC Recovered Reallocation Event Count Current Pending Sector Count (Offline) Uncorrectable Sector Count UltraDMA CRC Error Count Multi-Zone Error Rate Write Error Rate Soft Read Error Rate TA Counter Detected Data Address Mark errors TA Counter Increased Run Out Cancel Soft ECC Correction Thermal Asperity Rate Flying Height Spin High Current surge current Spin Buzz Offline Seek Performance Vibration During Write Vibration During Write Shock During Write Disk Shift G-Sense Error Rate Loaded Hours Load/Unload Retry Count Load Friction Load/Unload Cycle Count Load ‘In’-time Torque Amplification Count Power-Off Retract Cycle GMR Head Amplitude Drive Life Protection Status Life Left Temperature Endurance Remaining Available Reserved Space Media Wearout Indicator Power-On Hours Average erase count AND Maximum Erase Count Good Block Count AND System(Free) Block Count Head Flying Hours Transfer Error Rate’ Total LBAs Written Total LBAs Read Total LBAs Written Expanded Total LBAs Read Expanded NAND Writes (1GiB) Read Error Retry Rate Minimum Spares Remaining Newly Added Bad Flash Block Free Fall Protection

上記の表はMicrosoftから提供されたものです。

Windows 11/10でドライブのSMART障害予測ステータス^{(SMART Failure Predict Status)}を確認する3つの方法について説明しました。

How to check SMART Failure Predict Status of drives on Windows 11/10

S.M.A.R.T (Self-Monitoring, Analysis and Reporting Technology) often written as SMART is a monitoring system included in computer hard disk drives (HDDs), solid-state drives (SSDs), and eMMC drives.

Its primary function is to detect and report various indicators of drive reliability with the intent of anticipating imminent hardware failures. In this post, we will show you how to check SMART Failure Predict Status of drives in Command Prompt, PowerShell, and Performance Monitor.

Check SMART Failure Predict Status of Drives in Windows 11/10

You must be signed in as an administrator to use this option.

If a hard drive (HDD) is currently in a turned-off state after being idle, it will not show up in this report. Only drives currently turned on and running will show up in this report.

1] To check SMART Failure Predict Status of Drives in Command Prompt, do the following:

• Press Windows key + R to invoke the Run dialog.
• In the Run dialog box, type cmd and then hit Enter to open Command Prompt.
• In the command prompt window, type the command below and press Enter.

wmic /namespace:\\root\wmi path MSStorageDriver_FailurePredictStatus

• If the PredictFailure of a drive shows as FALSE, then no issues were found with the drive.
• If the PredictFailure of a drive shows as TRUE, then look up the Reason number for the ID in the table at the end of this post for what it means.

2] To check SMART Failure Predict Status of Drives in PowerShell, do the following:

• Press Windows key + X to open Power User Menu.
• Then press i on the keyboard to launch PowerShell.
• In the PowerShell console, type in or copy and paste the command below and hit Enter.

Get-WmiObject -namespace root\wmi -class MSStorageDriver_FailurePredictStatus

• If the PredictFailure of a drive shows as FALSE, then no issues were found with the drive.
• If the PredictFailure of a drive shows as TRUE, then look up the Reason number for the ID in the table at the end of this post for what it means.

Related: SMART Failure Predicted on Hard Disk error.

3] To check SMART Failure Predict Status of Drives in Performance Monitor, do the following:

• Invoke the Run dialog box.
• In the dialog box, type perfmon and hit Enter to open Performance Monitor.
• Expand Data Collector Sets, expand System in the left pane of Performance Monitor.
• Right-click or press and hold on System Diagnostics, and click/tap on Start.

This report will now start collecting data for 60 seconds. It may take up to an additional 60 seconds for the report to be generated.

• When the System Diagnostics report has finished generating, expand Reports > System > System Diagnostics in the left pane of Performance Monitor.
• Under System Diagnostics, click/tap on a report that was created (collected) on this date and time, and expand Disk Checks in the Basic System Checks section under Warnings.

If SMART Predict Failure Check shows FALSE with a value of 0 and Description shows as Passed, then no issues were found with the drive.

If SMART Predict Failure Check shows FALSE with a value other than 0, then look up the number for the ID in the table below for what it means.

Known ATA S.M.A.R.T. attributes (ID codes):

Drives do not support all attribute codes (ID). Some codes are specific to particular drive types (magnetic platter, flash, SSD). Drives may use different codes for the same parameter.

If a drive is reported to have a critical status, it is recommended to back up and replace the drive immediately.

IDAttribute nameDescription 0No issues found. 01
0x01 Read Error Rate (Vendor specific raw value.) Stores data related to the rate of hardware read errors that occurred when reading data from a disk surface. The raw value has different structure for different vendors and is often not meaningful as a decimal number. 02
0x02 Throughput Performance Overall (general) throughput performance of a hard disk drive. If the value of this attribute is decreasing there is a high probability that there is a problem with the disk. 03
0x03 Spin-Up Time Average time of spindle spin up (from zero RPM to fully operational [milliseconds]). 04
0x04 Start/Stop Count A tally of spindle start/stop cycles. The spindle turns on, and hence the count is increased, both when the hard disk is turned on after having before been turned entirely off (disconnected from power source) and when the hard disk returns from having previously been put to sleep mode. 05
0x05 Reallocated Sectors Count Count of reallocated sectors. The raw value represents a count of the bad sectors that have been found and remapped. Thus, the higher the attribute value, the more sectors the drive has had to reallocate. This value is primarily used as a metric of the life expectancy of the drive; a drive which has had any reallocations at all is significantly more likely to fail in the immediate months. 06
0x06 Read Channel Margin Margin of a channel while reading data. The function of this attribute is not specified. 07
0x07 Seek Error Rate (Vendor specific raw value.) Rate of seek errors of the magnetic heads. If there is a partial failure in the mechanical positioning system, then seek errors will arise. Such a failure may be due to numerous factors, such as damage to a servo, or thermal widening of the hard disk. The raw value has different structure for different vendors and is often not meaningful as a decimal number. 08
0x08 Seek Time Performance Average performance of seek operations of the magnetic heads. If this attribute is decreasing, it is a sign of problems in the mechanical subsystem. 09
0x09 Power-On Hours Count of hours in power-on state. The raw value of this attribute shows total count of hours (or minutes, or seconds, depending on manufacturer) in power-on state. “By default, the total expected lifetime of a hard disk in perfect condition is defined as 5 years (running every day and night on all days). This is equal to 1825 days in 24/7 mode or 43800 hours.”
On some pre-2005 drives, this raw value may advance erratically and/or “wrap around” (reset to zero periodically). 10
0x0A Spin Retry Count Count of retry of spin start attempts. This attribute stores a total count of the spin start attempts to reach the fully operational speed (under the condition that the first attempt was unsuccessful). An increase of this attribute value is a sign of problems in the hard disk mechanical subsystem. 11
0x0B Recalibration Retries or Calibration Retry Count This attribute indicates the count that recalibration was requested (under the condition that the first attempt was unsuccessful). An increase of this attribute value is a sign of problems in the hard disk mechanical subsystem. 12
0x0C Power Cycle Count This attribute indicates the count of full hard disk power on/off cycles. 13
0x0D Soft Read Error Rate Uncorrected read errors reported to the operating system. 22
0x16 Current Helium Level Specific to He8 drives from HGST. This value measures the helium inside of the drive specific to this manufacturer. It is a pre-fail attribute that trips once the drive detects that the internal environment is out of specification. 170
0xAA Available Reserved Space See attribute E8. 171
0xAB SSD Program Fail Count (Kingston) The total number of flash program operation failures since the drive was deployed. Identical to attribute 181. 172
0xAC SSD Erase Fail Count (Kingston) Counts the number of flash erase failures. This attribute returns the total number of Flash erase operation failures since the drive was deployed. This attribute is identical to attribute 182. 173
0xAD SSD Wear Leveling Count Counts the maximum worst erase count on any block. 174
0xAE Unexpected Power Loss Count Also known as “Power-off Retract Count” per conventional HDD terminology. Raw value reports the number of unclean shutdowns, cumulative over the life of an SSD, where an “unclean shutdown” is the removal of power without STANDBY IMMEDIATE as the last command (regardless of PLI activity using capacitor power). Normalized value is always 100. 175
0xAF Power Loss Protection Failure

• Bytes 0-1: Last test result as microseconds to discharge cap, saturates at max value. Test result expected in range 25 <= result <= 5000000, lower indicates specific error code.
• Bytes 2-3: Minutes since last test, saturates at max value.
• Bytes 4-5: Lifetime number of tests, not incremented on power cycle, saturates at max value.

Normalized value is set to one on test failure or 11 if the capacitor has been tested in an excessive temperature condition, otherwise 100.

176
0xB0 Erase Fail Count S.M.A.R.T. parameter indicates a number of flash erase command failures. 177
0xB1 Wear Range Delta Delta between most-worn and least-worn Flash blocks. It describes how good/bad the wearleveling of the SSD works on a more technical way. 179
0xB3 Used Reserved Block Count Total “Pre-Fail” attribute used at least in Samsung devices. 180
0xB4 Unused Reserved Block Count Total “Pre-Fail” attribute used at least in HP devices. 181
0xB5 Program Fail Count Total or Non-4K Aligned Access Count Total number of Flash program operation failures since the drive was deployed.
Number of user data accesses (both reads and writes) where LBAs are not 4 KiB aligned (LBA % 8 != 0) or where size is not modulus 4 KiB (block count != 8), assuming logical block size (LBS) = 512 B. 182
0xB6 Erase Fail Count “Pre-Fail” Attribute used at least in Samsung devices. 183
0xB7 SATA Downshift Error Count or Runtime Bad Block Western Digital, Samsung or Seagate attribute: Either the number of downshifts of link speed (e.g. from 6Gbit/s to 3Gbit/s) or the total number of data blocks with detected, uncorrectable errors encountered during normal operation. Although degradation of this parameter can be an indicator of drive aging and/or potential electromechanical problems, it does not directly indicate imminent drive failure. 184
0xB8 End-to-End error / IOEDC This attribute is a part of Hewlett-Packard’s SMART IV technology, as well as part of other vendors’ IO Error Detection and Correction schemas, and it contains a count of parity errors which occur in the data path to the media via the drive’s cache RAM. 185
0xB9 Head Stability Western Digital attribute. 186
0xBA Induced Op-Vibration Detection Western Digital attribute. 187
0xBB Reported Uncorrectable Errors The count of errors that could not be recovered using hardware ECC (see attribute 195). 188
0xBC Command Timeout The count of aborted operations due to HDD timeout. Normally this attribute value should be equal to zero. 189
0xBD High Fly Writes HDD manufacturers implement a flying height sensor that attempts to provide additional protections for write operations by detecting when a recording head is flying outside its normal operating range. If an unsafe fly height condition is encountered, the write process is stopped, and the information is rewritten or reallocated to a safe region of the hard drive. This attribute indicates the count of these errors detected over the lifetime of the drive.This feature is implemented in most modern Seagate drives and some of Western Digital’s drives, beginning with the WD Enterprise WDE18300 and WDE9180 Ultra2 SCSI hard drives, and will be included on all future WD Enterprise products. 190
0xBE Temperature Difference or Airflow Temperature Value is equal to (100-temp. °C), allowing manufacturer to set a minimum threshold which corresponds to a maximum temperature. This also follows the convention of 100 being a best-case value and lower values being undesirable. However, some older drives may instead report raw Temperature (identical to 0xC2) or Temperature minus 50 here. 191
0xBF G-sense Error Rate The count of errors resulting from externally induced shock and vibration. 192
0xC0 Power-off Retract Count , Emergency Retract Cycle Count (Fujitsu), or Unsafe Shutdown Count Number of power-off or emergency retract cycles. 193
0xC1 Load Cycle Count or Load/Unload Cycle Count (Fujitsu)Count of load/unload cycles into head landing zone position. Some drives use 225 (0xE1) for Load Cycle Count instead.Western Digital rates their VelociRaptor drives for 600,000 load/unload cycles, and WD Green drives for 300,000 cycles; the latter ones are designed to unload heads often to conserve power. On the other hand, the WD3000GLFS (a desktop drive) is specified for only 50,000 load/unload cycles.
Some laptop drives and “green power” desktop drives are programmed to unload the heads whenever there has not been any activity for a short period, to save power. Operating systems often access the file system a few times a minute in the background, causing 100 or more load cycles per hour if the heads unload: the load cycle rating may be exceeded in less than a year. There are programs for most operating systems that disable the Advanced Power Management (APM) and Automatic acoustic management (AAM) features causing frequent load cycles. 194
0xC2 Temperature or Temperature Celsius Indicates the device temperature, if the appropriate sensor is fitted. Lowest byte of the raw value contains the exact temperature value (Celsius degrees). 195
0xC3 Hardware ECC Recovered (Vendor-specific raw value.) The raw value has different structure for different vendors and is often not meaningful as a decimal number. 196
0xC4 Reallocation Event Count Count of remap operations. The raw value of this attribute shows the total count of attempts to transfer data from reallocated sectors to a spare area. Both successful and unsuccessful attempts are counted. 197
0xC5 Current Pending Sector Count Count of “unstable” sectors (waiting to be remapped, because of unrecoverable read errors). If an unstable sector is subsequently read successfully, the sector is remapped and this value is decreased. Read errors on a sector will not remap the sector immediately (since the correct value cannot be read and so the value to remap is not known, and also it might become readable later); instead, the drive firmware remembers that the sector needs to be remapped, and will remap it the next time it’s written. However, some drives will not immediately remap such sectors when written; instead the drive will first attempt to write to the problem sector and if the write operation is successful then the sector will be marked good (in this case, the “Reallocation Event Count” (0xC4) will not be increased). This is a serious shortcoming, for if such a drive contains marginal sectors that consistently fail only after some time has passed following a successful write operation, then the drive will never remap these problem sectors. 198
0xC6 (Offline) Uncorrectable Sector Count The total count of uncorrectable errors when reading/writing a sector. A rise in the value of this attribute indicates defects of the disk surface and/or problems in the mechanical subsystem. 199
0xC7 UltraDMA CRC Error Count The count of errors in data transfer via the interface cable as determined by ICRC (Interface Cyclic Redundancy Check). 200
0xC8 Multi-Zone Error Rate The count of errors found when writing a sector. The higher the value, the worse the disk’s mechanical condition is. 200
0xC8 Write Error Rate (Fujitsu)The total count of errors when writing a sector. 201
0xC9 Soft Read Error Rate or
TA Counter Detected Count indicates the number of uncorrectable software read errors. 202
0xCA Data Address Mark errors or
TA Counter Increased Count of Data Address Mark errors (or vendor-specific). 203
0xCB Run Out Cancel The number of errors caused by incorrect checksum during the error correction. 204
0xCC Soft ECC Correction Count of errors corrected by the internal error correction software. 205
0xCD Thermal Asperity Rate Count of errors due to high temperature. 206
0xCE Flying Height Height of heads above the disk surface. If too low, head crash is more likely; if too high, read/write errors are more likely. 207
0xCF Spin High Current Amount of surge current used to spin up the drive. 208
0xD0 Spin Buzz Count of buzz routines needed to spin up the drive due to insufficient power. 209
0xD1 Offline Seek Performance Drive’s seek performance during its internal tests. 210
0xD2 Vibration During Write Found in Maxtor 6B200M0 200GB and Maxtor 2R015H1 15GB disks. 211
0xD3 Vibration During Write A recording of a vibration encountered during write operations. 212
0xD4 Shock During Write A recording of shock encountered during write operations. 220
0xDC Disk Shift Distance the disk has shifted relative to the spindle (usually due to shock or temperature). Unit of measure is unknown. 221
0xDD G-Sense Error Rate The count of errors resulting from externally induced shock and vibration. 222
0xDE Loaded Hours Time spent operating under data load (movement of magnetic head armature). 223
0xDF Load/Unload Retry Count Count of times head changes position. 224
0xE0 Load Friction Resistance caused by friction in mechanical parts while operating. 225
0xE1 Load/Unload Cycle Count Total count of load cycles Some drives use 193 (0xC1) for Load Cycle Count instead. See Description for 193 for significance of this number. 226
0xE2 Load ‘In’-time Total time of loading on the magnetic heads actuator (time not spent in parking area). 227
0xE3 Torque Amplification Count Count of attempts to compensate for platter speed variations. 228
0xE4 Power-Off Retract Cycle The number of power-off cycles which are counted whenever there is a “retract event” and the heads are loaded off of the media such as when the machine is powered down, put to sleep, or is idle. 230
0xE6 GMR Head Amplitude (magnetic HDDs), Drive Life Protection Status (SSDs)Amplitude of “thrashing” (repetitive head moving motions between operations). In solid-state drives, indicates whether usage trajectory is outpacing the expected life curve 231
0xE7 Life Left (SSDs) or Temperature Indicates the approximate SSD life left, in terms of program/erase cycles or available reserved blocks. A normalized value of 100 represents a new drive, with a threshold value at 10 indicating a need for replacement. A value of 0 may mean that the drive is operating in read-only mode to allow data recovery. Previously (pre-2010) occasionally used for Drive Temperature (more typically reported at 0xC2). 232
0xE8 Endurance Remaining or Available Reserved Space Number of physical erase cycles completed on the SSD as a percentage of the maximum physical erase cycles the drive is designed to endure.Intel SSDs report the available reserved space as a percentage of the initial reserved space. 233
0xE9 Media Wearout Indicator (SSDs) or Power-On Hours Intel SSDs report a normalized value from 100, a new drive, to a minimum of 1. It decreases while the NAND erase cycles increase from 0 to the maximum-rated cycles.Previously (pre-2010) occasionally used for Power-On Hours (more typically reported in 0x09). 234
0xEA Average erase count AND Maximum Erase Count Decoded as: byte 0-1-2 = average erase count (big endian) and byte 3-4-5 = max erase count (big endian). 235
0xEB Good Block Count AND System(Free) Block Count Decoded as: byte 0-1-2 = good block count (big endian) and byte 3-4 = system (free) block count. 240
0xF0 Head Flying Hours or ‘ Transfer Error Rate’ (Fujitsu)Time spent during the positioning of the drive heads. Some Fujitsu drives report the count of link resets during a data transfer. 241
0xF1 Total LBAs Written Total count of LBAs written. 242
0xF2 Total LBAs Read Total count of LBAs read.
Some S.M.A.R.T. utilities will report a negative number for the raw value since in reality it has 48 bits rather than 32. 243
0xF3 Total LBAs Written Expanded The upper 5 bytes of the 12-byte total number of LBAs written to the device. The lower 7 byte value is located at attribute 0xF1. 244
0xF4 Total LBAs Read Expanded The upper 5 bytes of the 12-byte total number of LBAs read from the device. The lower 7 byte value is located at attribute 0xF2. 249
0xF9 NAND Writes (1GiB) Total NAND Writes. Raw value reports the number of writes to NAND in 1 GB increments. 250
0xFA Read Error Retry Rate Count of errors while reading from a disk. 251
0xFB Minimum Spares Remaining The Minimum Spares Remaining attribute indicates the number of remaining spare blocks as a percentage of the total number of spare blocks available. 252
0xFC Newly Added Bad Flash Block The Newly Added Bad Flash Block attribute indicates the total number of bad flash blocks the drive detected since it was first initialized in manufacturing. 254
0xFE Free Fall Protection Count of “Free Fall Events” detected.

The above table has been sourced from Microsoft.

That’s it on the 3 ways to check SMART Failure Predict Status of drives in Windows 11/10!

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