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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IDNF error in S.M.A.R.T logs

Is it a good practice to ignore IDNF errors in smart logs if no other evidence of problems (including smart self test and badblocks run) has been found? Does anyone have a experience with this? The ...
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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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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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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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413 views

Files disappearing, errors during linux boot

On my laptop I've got - Windows 7 (NTFS), Ubuntu 10.10 x64 (ext4) and a few NTFS partitions which are also mounted under Ubuntu. 1.Today when I opened console text like this appeared: "I don't know ...
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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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75 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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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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378 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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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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401 views

SMART data not available/readable on a modern computer

I have administration of a computer - Compaq CQ1-2025 - that has not been hardware modified in any way. According to specifications it has a 320 GB SATA hard disk in it. When I ran SpinRite disk ...
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87 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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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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9k 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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460 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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217 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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802 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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4k 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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How to force a remap of sectors reported in S.M.A.R.T C5 (Current Pending Sector Count)?

The S.M.A.R.T C5 value of my Samsung HM640JJ Hard Drive (in an HP Pavilion dv6 laptop) is "yellow status = caution" C5 was 10 yesterday, and it's 21 today. C4 (Reallocation Event Count) = 0 and 05 ...
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How to make smartd shut up about one particular offline uncorrectable sector?

I have a disk in a two-disk software RAID-1 for which recently an "offline uncorrectable sector" appeared in the SMART status. 198 Offline_Uncorrectable 0x0030 200 200 000 Old_age ...
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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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984 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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Can I trust a hard drive that has had to reallocate sectors?

I ran this HD utility called CrystalDiskInfo that displays some of the S.M.A.R.T. information on my drives. It is displaying a "Caution" warning on one of my drives because its "Reallocated Sectors ...
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Hard drive issues - SpinRite vs. S.M.A.R.T

The Toshiba hard drive in a Sony VAIO laptop went bad. I put in a Western Digital drive (WD1600BEVS-60RST0, firmware v4.01G04) from an HP laptop. I ran SpinRite at level 2 and found some bad sectors, ...
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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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2k views

Howto interpret SMART-Attributes?

I want to estimate the health and the remaining lifetime of my hard drive using SMART (in my case gsmartcontrol). However I don't know how to interpret the attributes. More specifically: Which ...
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1k 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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3k views

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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125 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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137 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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107 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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What is the easiest method of checking SMART status for your hard drive?

I've seen programs in the past that were able to check the SMART status of a hard disk drive but it wasn't easy for me to find. Also, I think I had to boot into the CD in order to check on it. What is ...
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3k 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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1k 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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1k 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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4answers
3k views

Win7 x64 unresponsive for a minute or so. HD failing?

On a fully updated Win7 x64, every so often the system stalls for a minute or so. This has been going on for a couple months now. By stalling I mean the mouse responds and I can move windows around, ...
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5k views

HDD health power on count/hours

In this question i checked my HDD health on a drive i had for roughly a year. It has 188 power on count and 896 power on hours. Is this slow or high value for a drive that may be failing? What are ...
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2k views

Disk health status warning. Should I be alarmed?

I ran HDTunePRO today and saw that my disk has a Current Pending Sector warning: I read in wikipedia that the lower this attribute is the better and that it is a "Potential indicator of imminent ...
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1answer
1k views

HDD health - what do the numbers actually mean?

Defraggler had a little tool that shows the health of the HDD. But I'm unsure what this all means. Could someone explain them, and which values are good and which are bad?
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1answer
802 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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229 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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132 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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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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2k views

What is the quickest way to tell whether a SATA cable is bad?

To check whether a SATA cable is bad, currently I'd run a disk benchmark and look at the SMART attribute "UltraDMD CRC Error Count." However, that attribute seems to be a rolling average and may not ...
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2answers
556 views

Linux laptop way too slow (possibly hard drive? or graphics card drivers?)

Last few weeks, my laptop is almost unusable: nearly each click takes seconds to react I am unable to play video and browse internet (reference manual, consisting mostly of text) in the same time ...
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17k views

Seriousness of a “Smart” disk error. How long will it last?

I have an 1 TB data disk and the bios and Windows are reporting a "Smart" error. At least, I get a Smart event but it doesn't indicate how serious the failure could be. My system is about 6 months ...
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383 views

OEM SSD w/ Thinkpad T430 - with only 1 SMART attribute, how should I tell wear?

I recently purchased a Thinkpad T430 with a 128GB SSD. I'd like to get an idea of how well the SSD is holding up, so I install CrystalDiskInfo and look at the list of SMART attributes. Unfortunately, ...
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Util to check external USB Drive health? [closed]

I tried a few utils and none of them worked. Either USB wasnt supported or the drive was 'recognized'. I am trying to figure out if i should dump the drive or not. Its only a year old but the warranty ...