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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Making sense of S.M.A.R.T

First of all, I think everyone knows that hard drives fail a lot more than the manufacturers would like to admit. Google did a study that indicates that certain raw data attributes that the S.M.A.R.T ...
94
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12answers
270k views

How can I read my hard drive's SMART status in Windows 7?

How can I read the S.M.A.R.T. state of my HDDs while using Windows 7, either automatically or manually?
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1answer
52 views

Can I reuse an overheated HDD after formatting in a ZFS RAID1?

I have a WD50EFRX which overheated according to SMART data (95 degrees celsius) and damaged some blocks (raw value of Raw Read Error Rate ~ 22000). There're no other values besides the Raw Read Error ...
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1answer
51 views

What does “S. M. A. R. T Status BAD” mean when reported by the BIOS about my hard disk?

I have a portable (USB) disk with capacity 2T. This contain normal SATA HDD. I used as potable via USB with my P4 Laptop (OS type : Windows 7 Home) and also with my P4 Desktop (Os type : XP Service ...
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1answer
60 views

How to get a SMART offline test to complete on an active drive?

I would like to run a SMART offline test on one of my hard disks (internal SATA). The machine is running Ubuntu 14.04, so I simply do smartctl -t offline /dev/sdb (as root). It starts the test and ...
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0answers
18 views

HDD isn't re-allocating sectors

When a drive has bad sectors, I usually partition around it leaving 50~100 MB on either side of the bad area. I rarely go through SMART data. But this time when I was going through it I noticed ...
10
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7answers
58k views

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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1answer
41 views

SMART Extended Self Test on a new Hard Disk

Is it normal that the SMART extended self test to run for hours on a new hard disk. So far, the test is running on my laptop for 2 hours. What is it doing? If I stop the test, will it damage the hard ...
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0answers
72 views

Ubuntu and LogiLink 4-bay docking station - unable to get S.M.A.R.T. data from all disks

I recently bought LogiLink QP0021 USB2.0 4-bay docking station. It is visible as: 152d:0539 JMicron Technology Corp. / JMicron USA Technology Corp. JMS539 SuperSpeed SATA II 3.0G Bridge: for the ...
0
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1answer
80 views

Did a Primary Hard Disk Self Test on my HP Pavilion dm4; what do these results mean?

I did a Primary Hard Disk Self Test and I would want to know what the results mean. I do know that my Hard Disk has failures... My laptop is HP Pavilion dm4. This is the first screen picture and ...
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1answer
1k 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 ...
14
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6answers
51k views

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 ...
3
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1answer
115 views

SSD SMART errors and strange dmesg errors, is this a dying disk?

I've started noticing weird things in my dmesg log, and my 4 months old SSD. For example: [ 9.647535] ata7.00: exception Emask 0x10 SAct 0x7ffffbff SErr 0x300000 action 0x6 frozen [ 9.647542] ...
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2answers
74 views

Does having some Bad Sectors indicate that the drive will crash soon?

I have a Hitachi HTS723232L9SA62 320Gb 7200RPM HDD. I checked the SMART status and there are 3 bad sectors, totaling 1.5MB. This means that approximately 0.00046875% of my hard drive has gone bad. Is ...
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2answers
6k 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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4answers
44k views

Disable S.M.A.R.T. in Windows 7?

Before anyone tells me not to disable S.M.A.R.T I've confirmed in the BIOS that the drive is actually reporting it's okay. Windows is misreading whatever reports S.M.A.R.T. status. I would like to ...
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1answer
284 views

Disagreement in S.M.A.R.T info from different tools

I checked my old(purchased in 2009) SAMSUNG HDD with two tools. One is CrystalDiskInfo(CDI) and the other one is HD Tune(HT). At first, with CDI, no problem was detected and it just said 'Good'. ...
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2answers
124 views

Anything I can do about erratic hard disk drive speeds

I don't seem to have very good luck with hard disk drives these days; 3 side-by-side (non-RAID) drives on my machine, replaced 5 drives in the last 4 years. My problem of the moment is that my largest ...
0
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1answer
95 views

Is it possible for SSD to mis-diagnose its lifespan S.M.A.R.T parameter?

I have my crucial M4 256GB SSD for a little over 2 years, always had windows 7 on it, the SMART data never showed any problem, the last time I check I think the SMART reported 80% lifespan left on the ...
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0answers
90 views

Get 'Uncorrectable error in data' error in my hard drive error log. Is it failing?

In my drive's error log, I get a loto of Uncorrectable error in data errors and 'Media write protected errors' The total error count is 2534! Have 1 re-allocated even count but no re-allocated ...
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0answers
164 views

Can anyone make sense of the G-sense error rate?

Before I get to my problem, I have to ask this question. Can the normalized value ever be 0, and can it ever be a negative number? I read many sources saying that there is no such thing as a ...
0
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3answers
91 views

Will my hard drives be harmed if I hold down the power button for 5 seconds? [duplicate]

Sometimes I face the problems with my video card, so the system freezes. Reset button is broken, so the only way is to hold down power button for 5 secs. Guess that this action differs from power ...
14
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6answers
18k views

How to access S.M.A.R.T. values when using RAID and Intel Matrix Storage?

We have a RAID 5 array using Intel Matrix Storage (i.e. a motherboard based RAID). One of the hard drives has started to make a grinding noise, and the array is currently rebuilding. We'd like to ...
0
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1answer
38 views

Smart values drop to 0 then comes back up

Acronis Drive Monitor has been sending me the following (email) alerts Disk health has fallen below the warning threshold. Current health: 59% Warning threshold: 70% By the time I open ADM, disk ...
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0answers
84 views

Can Smart DNS Cause Geo-locked Data to be Streamed Directly from the Web Site to the PC?

On another forum I am having a discussion with someone who claims that a Smart DNS Proxy Server is similar to a VPS SNI Proxy Server with a VPS DNS Server where only streaming media that is not ...
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1answer
78 views

Drive does not do “selftest” when using “smartctl?”

I have one drive which does not want to do the selftest: # smartctl -t long /dev/ada3 smartctl 6.2 2013-07-26 r3841 [FreeBSD 9.2-RELEASE-p3 amd64] (local build) Copyright (C) 2002-13, Bruce Allen, ...
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2answers
3k 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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1answer
106 views

What do the columns in smartctl output mean?

Here's a part of my smartctl -H /dev/sda output: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 190 Airflow_Temperature_Cel 0x0022 053 028 045 ...
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0answers
191 views

External HDD being detected on Smart TV but not on PC

I've 1TB external HDD. When i connect it to my smart TV it gets connected normally. I can view movie songs etc but at the same time when i connect it to my pc it does not. It is not being detected on ...
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1answer
62 views

Smart disk error?

I performed disk tests with DLGDIAG and HDAT2 and none found bad sectors, but there is a !Smart error flag in HDAT2, What does this mean? Here's a screenshot.
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0answers
30 views

How to interpret these SMART values?

The other day I checked my SMART stats and noticed a nonzero reallocated sector count using smartmontools. About a day or two ago it showed as "16 (0 2)" and now shows as "24 (0 3)". Similarly the ...
0
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1answer
144 views

Diagnosing whether a drive is reliable via S.M.A.R.T. attributes

I am trying to figure out if my hard drive is dying. I have researched the smart values and it looks like it might be, but it still reads and writes data just fine, and no new errors appear. There ...
0
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2answers
53 views

Common SMART values for all vendors?

Is there a list of SMART values that all HDD/SSD vendors have in common ? Or just every vendor implements its own list of SMART values ? Our application might handle HDD or SSD.
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45 views

smartmontools on Windows: how to get email alerts on disk problems, as in linux?

I use smartmontools on my linux machines, happy and confident with the accurate level of warning it features. I want the same service on Windows, where, unless I'm mistaken, it does not exit ...
3
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4answers
10k views

hard drive pending sector count

For some reason, my pending sector count to be remapped is unbelievably high (2163 currently). I've seen it go up 20 in one week. But no sectors have been remapped. Dell's computer diagnostics utility ...
1
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3answers
114 views

20 Million Raw_Read_Error_Rate per minute

My computer is going a little heavy on the raw reads.... I decided to check the SMART status of my hard drive, and I saw it had 125239624 raw read errors. Just a minute later I checked again for ...
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0answers
42 views

System freeze when running badblocks

quick background: a file transfer between two partitions did not complete, had to restart (running LinuxMint) - from then on, I'm getting the Smart-warning msg to replace my hard-drive soon - output ...
0
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1answer
376 views

High S.M.A.R.T read error rate

I have a Seagate ST9750420AS HDD in my laptop, which I have been using for the last couple of years. I recently realized that the disk was noticeable slower than before, so I decided to check the ...
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3answers
1k 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 ...
5
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1answer
229 views

SMART User Capacity and fdisk -l size value differ. Why? Security issue?

I'm just wondering why the size of my drive that smartctl ("User Capacity") shows differ from the value that fdisk -l, dmesg, hdparm shows and differ from the drive specification values from the data ...
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3answers
85 views

Can I repair HDD with completed_read_failure reported?

I have a broken HDD here. There were some problems reading from it so I ran on it smartctl -t short smartctl -a The result is: SMART Self-test log structure revision number 1 Num Test_Description ...
2
votes
1answer
29k views

How to disable S.M.A.R.T. warnings at computer startup?

My computer recently presented me with a possibility that my hard drive is about to fail. On further investigation I found out that it was a S.M.A.R.T. status failure. I've got a WD hard drive, so I ...
0
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1answer
201 views

What raw data value of S.M.A.R.T. Raw_Read_Error_Rate means?

My Synology NAS shows the following S.M.A.R.T. data for my Western Digital WD20EADS-00S2B0: What is this Raw data value equal to 402 means? The current Value and Worst value looks OK. Should I be ...
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2answers
702 views

What is SandForce_Internal?

According to palimpsest on my new OCZ Vertex 3 120 GB SSD, S.M.A.R.T. attribute ID 234 is Uncorrectable ECC Count Number of uncorrectable ECC errors I've been watching this value, and it ...
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0answers
274 views

Reading SMART results for failing disk

I recently started having trouble with my Dell laptop and would appreciate any recommendations on the next steps for my issue. I have portions of the dmesg log below to show the errors I'm getting. ...
2
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4answers
196 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 ...
2
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3answers
3k views

Can I modify the SMART value of Raw Read Error Rate Worst Value to be greater than 1?

I have a HP Pavilion g6 2136tx Laptop which was functioning correctly until one day Windows 7 Ultimate x64 couldn't boot up. Tried System Restore and Windows Startup Repair tool, both of which failed. ...
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1answer
379 views

HDD Surface Read test showing very slow blocks (> 500 ms). How can I fix?

I am performing a hdd read surface test with hddscan and it is showing some very slow sectors. Is this ok? Can I fix this somehow?
0
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2answers
143 views

How to ignore a specific SMART error

I get an email about the same SMART error every day. I'd like to configure the SMART daemon to ignore this specific error, but only this, since I still want to now if anything changes or gets worse. ...
0
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1answer
134 views

Something strange happened to my hard drive

Around 2-3 months ago I discovered my primary hard drive (Western Digital, WD-1002FEAX-00Z3A0) had 1 write error count. I kept checking everyday (I'm serious) if the value was increasing but it didn't ...