S.M.A.R.T. (Self-Monitoring Analysis and Reporting Technology) is a monitoring system for computer hard disk drives to detect and report on various indicators of reliability, in the hope of anticipating failures.

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How to determine which drive in a firmware RAID is failing

I have two drives in an Intel ICH10 RAID 1. They are not enterprise-level drives; just regular WD Caviar Black drives. Recently, reading/writing to the mirrored volume has become extremely slow and ...
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41 views

Can a faulty RAM cause a Ultra DMA CRC Error?

I just upgraded my laptop's RAM yesterday and some weird things are happening because the memory module I bought on my local computer store is defective. Since the RAM isn't working properly, ...
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62 views

SMART: Brand new Western Digital hard-disk showing very high load cycle count

My brand new "WDC WD10EZRX" 1TB Green Hard-disk, SMART log is showing very high load cycle count and it keeps increasing at high rate. What should I do ? Please help me. Edit: Finally I got the ...
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S.M.A.R.T : What's the difference between “Start/Stop cycle count” and “Load/Unload cycle count”?

Q1. What is the difference between "Start/Stop cycle count" and "Load/Unload cycle count" ? Q2. What happen to the hard-disk when a computer is put to sleep mode, does the spindle moter stops spinning ...
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Is Power Off Retract count relevant for SSD

Is Power-ff retract count relevant for SSDs? I have tested my SSD under various scenarios, hard power removal and kernel panic, but the attribute value does not change. Does anyone have any idea?
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29 views

Resetting HDD SMART data

I have a USB based holder that has slots for SATA and IDE drives. It has a button to facilitate low level copies. Having cloned a drive I was amazed to find SMART data had been transferred ... can ...
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28 views

HDD Current_Pending_Sector attribute going up and down

I have Western Digital Caviar Black drive (model WD2002FAEX-007BA0). System is running Linux Mint 14. Filesystem on drive ext4. Recently I've got some i/o errors on one of the files. Then I've ...
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16 views

SMART attributes have large values

I have noticed the Reallocation Event Count with my internal hard drive with a data value and a warning about a year ago and it has been increasing ever since. I have also noticed the Raw read error ...
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38 views

possible disk problems - nothing in SMART

I keep getting these IO errors: Feb 22 07:08:19 kernel: [70724.773260] sd 0:0:0:0: [sda] CDB: Read(10): 28 00 50 17 f5 d8 00 00 08 00 Feb 22 07:08:19 kernel: [70724.773344] ata1: EH complete Feb 22 ...
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59 views

How can Reallocation Event Count be less than Reallocated Sector Count?

I have 5+ years old 750 Samsung SpinPoint F1 HD753LJ and S.M.A.R.T reports very strange values. For a couple of years Reallocation Event Count was 2 and Reallocated Sector Count was 3, but about 5 ...
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50 views

Are Soft Bad Sectors recorded in a drive's S.M.A.R.T. data?

Yesterday I was faced with a soft bad sector when I decided to run chkdsk.exe in Windows all by myself. I have suspicions that it was caused by a recent Intel Rapid Storage Technology driver update. I ...
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103 views

How often to run SMART tests on hard drive?

For a hard drive with SMART, how often should the quick test be run, and how often should the full test be run? Should the tests be run more frequently as the drive gets older? Does the manufacturer ...
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286 views

Synology: SMART status is abnormal but no errors shown

I have a Synology DS509+ NAS that is showing an "Abnormal" S.M.A.R.T. status for one of its drives: However, there seems to be nothing wrong with the S.M.A.R.T. test results: So, what's going ...
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27 views

WD NAS vs hd sentinel on disk health

My Western Digital My Book Live II, started failing some time ago, with a "Drive A Failed" message on the Web Interface monitor tool. After replacing Drive A, with a new one, drive B failed also a ...
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266 views

Where is S.M.A.R.T. data stored on a HDD?

The S.M.A.R.T. attributes are attributes that a HDD keeps about its health and performance. I know that the MBR is stored at C,H,S (0,0,1) which leaves no free disc space for the drive to function. ...
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70 views

Western Digital 1TB Drive recognized as 32MB

this is really strange - I've got this 1TB Western Digital HDD and multiple machines (including an USB3-SATA Bridge) detect this HDD with only 32MB capacity. I guess the Harddisk is broken and ripe ...
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437 views

Why is the temperature so low and airflow temperature so high on my HD?

I have had this same exact SeaGate external 1TB USB2.0 hard drive for a few years. In the past I have been using SeaGate's own diagnostic tool to check the drive for errors but it wouldn't let me see ...
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255 views

What might cause an increase in offline uncorrectable and pending sectors counts on an *idle* drive?

I have a Western Digital Elements Desktop USB-connected hard drive. Basically, it's a glorified package for a WD30EZRX drive. I use it to hold system backups (old now, at that), so there's nothing ...
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158 views

Difference between S.M.A.R.T. error 0x05 (Reallocated sector) and 0xC6 (Uncorrectable sector)

My 2TB external HDD has recently started reporting a very high number of 0xC5 (Pending sectors) errors (Raw value: 309), and just today reported an uncorrectable sector error (Raw value: 1) while the ...
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249 views

SMART ‘Reported Uncorrect’ field

When smartd sends an email about the amount of Offline_Uncorrectable sectors has increased, they do not increase Reallocated_Sector_Ct after manual fix (erasing with dd for example), as one might ...
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79 views

Computer crashes when reading single folder - HDD Pending Sector count is 2

I have a Windows 8 (not 8.1 yet - I've been away for three months) Pro x64 PC with a 120GB Samsung Evo SSD for Windows and the User folders mklink'ed onto my 1TB Samsung HD103SJ. Whenever I try to ...
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431 views

Western Digital: Sector Relocation Error (code 226)

I have a nearly new WD Green, but warranty is already expired. It was lying on a shelf. I would like to test it before use. The first step I made is running full test using Data Lifeguard Tools. ...
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65 views

How to determine which partition has badblocks?

I have the following device: Model Family: Western Digital Caviar Green (AF) Device Model: WDC WD15EARS-00MVWB0 Serial Number: WD-WCAZA3607921 LU WWN Device Id: 5 0014ee 2b01eac3e Firmware ...
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Trying to remove/diagnose single Current_Pending_Sector in S.M.A.R.T. data

I'm in a process of doing a fresh Linux install and before I went to do that I thought that it is a good time to verify HDD health since I can safely overwrite any data on the HDD if needed. First ...
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85 views

S.M.A.R.T. error on the drive, how to deal with 80 bad sector? [duplicate]

My system reported a S.M.A.R.T. error on the drive few days ago, Warning: Immediately back-up your data and replace your. I backed up my data, and then tried to see what is the problem, using HDD ...
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85 views

What is the S.M.A.R.T. page?

I've just listened to Steve Gibson talk about his SpinRite software, on the Security Now podcast episode 336 (transscript). At 33:20 he says: I can show and do show on the SMART page that ...
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510 views

Resetting “HDD Warning???” with Zalman ZM-VE400 external case

Whenever I turn on (or plug in) the Zalman ZM-VE400 I have, it shows HDD Warning???. Sometimes briefly, sometimes until the Menu button is pressed. The case contains a SSD drive and as far as I ...
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712 views

Unable to Write Zeros to Bad Sectors/Hard Disk Not Counting Reallocated Sectors

I have a drive that is reporting that the current pending sectors is "45". I have used badblocks to identify the sectors and I have been trying to write zeros to them with dd. From what I understand, ...
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138 views

Write-read test reports no error but there're still offline uncorrectable sectors — Is it normal?

I have a 2.5 inch hard drive that once worked in a pretty bad external enclosure. And after I put it back in my computer I saw 14 offline uncorrectable sectors and 12 pending sectors. I did a full ...
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453 views

Hard disk failure is imminent [duplicate]

I have a seagate 320 GB hdd on my linux machine. From a week, SMART utility has been warning me to backup as the disk failure is imminent. Report failed on the "Bad sectors attribute" which is ...
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415 views

Possibly a dying hard drive, but reads, writes work - unsure about log entries

I recently received a Linux box having problems with Samba share - first off, couldn't connect, second ls -la showed some I/O error (close to what can be seen below) with no listing. Now, I've fully ...
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“Last Business Day” smart mailbox for Apple Mail

I have a handy smart mailbox for "Yesterday" with a simple condition Date received - is yesterday However, on Mondays this returns the results from Sunday. I would like to have the last business ...
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443 views

SSD – smartctl – Status

I have a SAMSUNG SSD 830 Series SSD in my MacBook Pro. In my work, I need to analyse huges amounts of data. I have php scripts that extract the data, build csv sheets, then gnuplot generates hundreds ...
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193 views

How can I access the data on this Seagate dying HDD?

It seems my main disk was dying and eventually, Windows displayed a message to immediately reboot into recovery, make a full backup and replace the HDD. I turned the computer off and plugged the HDD ...
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101 views

Is it safe to “use” to disk if extended smart check is in progress?

As simple as the title suggests. /dev/sda is a unit from /dev/md127 - RAID1 drive. I'm currently running a test - started a smartctl -t long /dev/sda. Afterwards, I started to copy files over ...
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104 views

Is my HDD on the verge of failing?

I have a 10 year old machine that I'm using as a small home theater server, and would like to know if the HDD is about to fail. I ran the following smartctl --all test and some of the error values ...
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72 views

HDD disappears from system

Whilst my system was running (Windows 7) the whole system just crashed (no blue screen just an immediate reboot) and the HDD the OS was on disappeared from my system (meaning not detected by BIOS, not ...
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905 views

How do I interpret SMART data for SAS disks?

I am in the process of replacing some failing SATA disks with new SAS disks. The raid array that one of the failing disks is part of is in the process of resilvering. As that progresses, I can see ...
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287 views

External HDD head park (load/unload cycle) count

I have WD MyPassport 2TB drive and I hear head being parked every few minutes when I'm listening to mp3 music from the drive for example... I checked with PassMark DiskCheckup SMART monitoring utility ...
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236 views

External HDD reallocate sector count [crystal disk]

I ran crystal disk to try and find out the problems with my EHDD and it's come up with a caution, does this report show that it's FUBAR?
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149 views

Do operating systems warn you on SMART failure?

Are there operation systems that actually honor the results of SMART out of the box and tell the user to change the drive? Do they even do SMART test runs on their own?
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155 views

Are these SMART values for my hard drive good or bad?

I'm having the following SMART values for my HDD: My computer sometimes stutters and runs very slowly and I can hear the drive spin. I've never had any issues with hard-disks and can't be sure ...
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449 views

SMART Disks Self test fail on new HD

I just bought a newly assembled PC with a 320GB of HD of WD. I installed Ubuntu 12.10 on it and did a SMART Disk test from the Disks utility in Ubuntu. It gave me following result I'm worried ...
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492 views

hard drive raw read error rate 9

My main HDD is about 2.5/3 years old. All that time, it has been running with about 40-45 (temperature). I have had a HDD failure before and it was really frustrating, I don't want that to happen ...
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183 views

How to determine the failing file from a block address?

While investigating about a failing drive (see. Why SMART is passing while it indicates failure for RAW read error rate?). I've performed a SMART test on all my drives. My SSD internal drive shows ...
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136 views

How close to death is my Linux hard drive [duplicate]

I want to test my hard disk that is on opensuse 12.2 - update see some results below I have installed S.M.A.R.T. How would you start the tests? note: can I run a single test that runs all the ...
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240 views

About fsck and a HDD's reserved space for bad sectors

So when you do a full fsck on a hard drive to find bad blocks, does it ignore or exempt that space on the drive where it puts (reallocates) bad blocks into? I'm talking about the space implied by the ...
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520 views

Is my SSD drive going bad? SMART error

Is there something wrong with my SSD drive ? It's still under warranty so I can replace it ;) SMART Error Log Version: 1 ATA Error Count: 1 CR = Command Register [HEX] FR = Features ...
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6k views

What are reasons for “SMART Failure predicted on hard disk” error?

My laptop is shows "SMART Failure predicted on Hard Disk 0: SAMSUNG HM640JJ" error on boot with windows 7 OS. While surfing, I get a response as my HDD is running out. So get backup files as quickly. ...
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107 views

Notebook hd linux compatible (without parking head issue)

Recently I've bought a 2,5" sata hd for my netbook (an acer aspire one but this details is doesn't interest ). I've bought a classic (electromeccanical and not ssd) hard disk. Well, after, I've ...