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Questions tagged [smart]

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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Strange data corruption on HDD after switching from Windows to Linux

After I have replaced Windows 10 (the laptop has been in use for some time witout any issues) with Kubuntu Cosmic (ext4 over lvm, kernel 4.18.0-16-generic) on a laptop, I have started experiencing a ...
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Does SMART BIOS issue a warning when an SSD is approaching end-of-life

The S.M.A.R.T. BIOS is reporting that the disk is "bad" and should be replaced, and Windows 7 every few minutes is displaying a dialog "Windows detected a hard disk problem" and the details refer to ...
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HDD SMART test shows read error; should I toss the disk or scan for bad blocks?

After triggering SMART test (long) using smartctl, I have the following smartctl -a output: smartctl 6.5 2016-01-24 r4214 [x86_64-linux-4.4.0-142-generic] (local build) Copyright (C) 2002-16, Bruce ...
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59 views

Uncorrectable sector count 1, pending sectors 0, reallocated 0 on two drives for years - why uncorrectable sectors were not reallocated?

I have two WD Blue 1TB drives since year 2015, bought new from two different shops, used in two different machines. The disks have different manufacture dates. I haven't yet experienced any issues ...
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CrystalDiskInfo showing an UltraDMA CRC Error Count of 5 - Have I lost any data?

CrystalDiskInfo tells me I have an UltraDMA CRC Error Count of 5. Does it mean I've lost data or that I have corrupted files on my hard disk ? Or were those 5 errors corrected ?
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WD Red SMART data reset itself

I have bought 4 used 6TB WD Red drives (WDC WD60EFRX-68MYMN1) for use in my HP Microserver Gen8. The server is running Debian Linux 9. The disk controller is using AHCI, no hardware RAID. Initially I ...
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32 views

Old Drive in new PC starts failing

I just made a new PC build. I connected a storage drive from my old build. It is giving intermittent (once every 2 hours or so) Windows lockups, I hear it spin up, then everything unfreezes. I ...
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Can't retrieve hard disk S.M.A.R.T. data OR Temperature

Currently I have two hard disks , both are W.D Blue . The first one (320GB) shows SMART data correctly along the temperature . that drive is a SATA 2 rev 5 . the other hard disk (newer one (500GB) is ...
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34 views

Is it required to manually run e2fsck at regular intervals?

Is it required to manually run the e2fsck (used to check a Linux ext2/ext3/ext4 file system) at regular intervals, an if so, how often should I run it? Or can I rely on a present S.M.A.R.T. (Self-...
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What does it mean when my new HDD reports errors at a time that shouldn't exist?

I just installed several new HDDs in a machine and I happened to notice one of them had two errors reported, so I ran smartctl -x on it and got this: smartctl 6.5 2016-01-24 r4214 [x86_64-linux-4.4.0-...
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Is my drive failing?

I have a RAID10 array on my Ubuntu 14.04 LTS server (4 drives). mdadm reports one of my drives as having failed or dropped out of the array. I am trying to determine if this drive is failing or ...
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Does a non-zero value of reallocated sectors count indicate imminent failure? (in spite of SMART reporting OK)

I've been told many times that in S.M.A.R.T., the only acceptable value of Reallocated Sectors Count is zero. Any value larger than zero indicates a dying drive; it should be stopped being used, all ...
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Dell PERC H810 - Import foreign config with 2 drivers with SMART errors and 1 total fail?

We have a 12 drive, 40 TB storage bay that all of a sudden encountered multiple drive failures On RAID 5. One drive we have replaced outright, while another two have SMART errors. When the drives ...
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173 views

CrystalDiskinfo “Caution” :

I have a Toshiba C50-A laptop. When I checked my HDD (500 GB) with crystalDiskinfo disk health shows caution reallocated sectors count:16. Screenshot. Does it mean my HDD is failing? Does it have bad ...
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152 views

Are SMART Data Address Mark errors a concern on an SSD in particular?

I have a Crucial 500 GB SSD (CT500MX500SSD4) which is reporting a non-zero number of data address mark errors. Other parameters appear fine (wear leveling is occurring, there are currently no I/O ...
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295 views

How to execute an Extended SMART self-test on a hard drive in Windows?

I have an old internal IDE hard drive that needs to be tested. I used an IDE-to-USB adapter to connect it to a USB port on a Windows PC. Then I tried using GSmartControl to execute the Short SMART ...
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465 views

Reallocated sector count high and increasing

I have an old Western Digital HDD which started getting some bad sectors by a bad SATA cable, after replacing the cable I tried to fill the disk with zeroes using dd utility but it kept returning I/O ...
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How bad is my HDD for usage? [closed]

I bought an Acer Aspire F5-573G a year ago. It runs on Windows 10 Home x64 and has a 1TB HDD. From the get-go I received my system, I had been experiencing major hiccups in my system performance. The ...
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84 views

Can a PSU outage cause a Mechanical Start Failure on a S.M.A.R.T. drive?

Recently, my PSU crunched out on me and I had to replace it. The drive in question was running at the time, and during an attempt at start up afterwards (during which the PSU did not output enough ...
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868 views

How bad is a SMART Seek Error Rate?

Since a few days ago I'm getting Seek Error Rate [07h] increase and decrease of Raw Data value. It is oscillating between 0 and 2. That HDD is 7 years old and has 29000 power on hours. There are no ...
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Total LBA written grows fast

OS: Ubuntu 16.04 HDD: Samsung SSD 750 EVO 250GB i am web developer. my desktop (2 years old) works 24/7. i have noticed big numbers of "Total LBAs Written" in SMART-statistics. tried to identify ...
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211 views

Reading SMART Data - What does it mean?

I have this drive attached to a raspi that, all of the sudden, became extremely slow. On another site, someone recommended to run smartctl -a /dev/sdc but I don't know what I'm looking at and how to ...
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75 views

Smartmontools self-test log giving wrong information

I have scheduled all the computers to run a short test every day with smartd but I'm having issues with two SSD's. I see multiple instances of the scheduled test. One run completed; others are still ...
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109 views

SMART test hard disk

I'm trying to understand if my disk has some problems or not. I have a Western Digital wdc wd10eads-00m2b0 that sometimes crashes. Fortunally is not my primary drive, is just for storage but happen ...
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How severe must a hard drive be damaged to earn a non-verified S.M.A.R.T. status on a Mac

The Seagate Barracuda in my 2011 iMac started to have hard drive failures. However, disk utility and system information report S.M.A.R.T. status: verified I've retrieved detailed information using ...
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How to find out if an SSD is bad or about to die (health check)? [duplicate]

What can be done to find out if an SSD is bad, i.e., in bad health to the point that it's already corrupting data or about to do so? There's smartctl and its graphical version gsmartcontrol, which ...
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26 views

External hard drive lost SMART data after wipe?

I have an external hard drive I used for backups a Seagate 5TB ST5000DM000. It started having issues so I did a surface test and discovered over 20000 bad sectors (all in one spot so obvious drop). ...
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208 views

How to run smartctl test on macbook? (SMART Self-test Log not supported)

I am a Linux user and new to macbook. I am trying to figure out how to run smartctl tests. Please check the following commands and outputs. It seems that macbook does not support smart self tests? ...
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34 views

Write HFS+ formatted drive image to smaller capacity drive on Linux

I imaged a potentially defective 1TB hard disk drive containing about 270GB worth of actual data, using ddrescue, on a Lubuntu live system. The recovery is 99.9% complete, there's only a 52KB area ...
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418 views

Is my SSD drive failing?

I'm using a fairly new SSD (bought 5 months ago), and I recently experienced a read failure. Here is what the kernel reported: Jul 1 01:02:44 tryphon kernel: [1554891.463590] ata2.00: exception ...
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176 views

Hard drive suddenly slow enough to failing load of OS

Problem In short, what happened to me, is that suddenly my HDD became such slow to don't let windows/Arch-Linux (the 2 OSs I've installed) be loaded. So I decided to investigate what happened on my ...
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267 views

HDD Issues: SMART, Self Test & Extended test point to Ultra DMA Connector / SATA cable connection issues - Accurate Diagnoisis & Solution?

I know the default line being please back up your data - done that and will attemp doing again if this "connection" allows it. That would be stating the obvious to someone who has played with ...
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256 views

How to interpret S.M.A.R.T and Badblocks results

I have bought a used SSHD ( Seagate Laptop SSHD - ST500LM000-1EJ162 ) on ebay. Regarding to S.M.A.R.T the disk might be damaged somehow, I am not sure. To correctly interpret the S.M.A.R.T values, I ...
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Smartd informs that “self-test log error count increased” but produces no logs

I installed and set up smartd to run short SMART tests daily, and long SMART tests weekly, and notify me when errors are logged: $ ls /dev/sd* /dev/sda /dev/sda1 /dev/sda2 /dev/sdb /dev/sdb1 /dev/...
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Hard drive SMART error but sector appears readable

TL;DR: Where is my bad sector? Hi, I have a disk that fails its SMART test. There is supposedly a bad sector at LBA 1565541432, but when I try to read that sector with dd, the sector seems to read ...
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609 views

Can this SSD be salvaged?

I have an SSD drive that I have determined to be the source of many random BSODs and hangups, as detailed in What is causing this ntoskrnl.exe BSOD?. Apparently the drive fails in some way, but both S....
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367 views

Smartctl reports identical results for two drives in a WD My Book Duo drive enclosure

I am observing strange behavior of smartctl with two WD Red 3TiB drives inserted in a WD My Book Duo drive enclosure and connected to the computer over USB. Namely, running a test on one of the drives ...
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502 views

Why did the uncorrectable sector count decrease?

A few months ago, a Seagate ST31000528AS (1 TB) hard drive was reporting 8 uncorrectable sectors on CrystalDiskInfo (which triggered the "warning" status), so I ramped up the backup frequency ...
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Different HDD diagnostic tools report different S.M.A.R.T. attributes for my disk

I have an old Seagate 250GB HDD that I bought on 2006. It works well without any issues. I measured the performance of the drive and it's still the same as it was when I bought it. However, I tried ...
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1answer
255 views

Smart Error BIOHD-8 on boot

When booting my computer running Windows 7, I get a "Hard Drive Failure" error. I did a diagnosis and it said " Error code: BIOHD-8" and it said there was a SMART error. The only stuff I could find ...
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351 views

ZFS scrub finds checksum errors, but badblocks and smartctl do not

I have configured a ZFS pool with two drives as a mirror. The operating system is Ubuntu 16.04 and I have been using the zfs 0.6.5 as packaged by the vendor. The drives are 3T WD Green and 3T WD Red (...
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263 views

SMART-status: Reallocated_Sector_Ct should I be worried?

I'm wondering if I should be woried about these SMART values on my harddrive: and statistics:
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261 views

High amount of high fly writes on recently bought disk

I recently (about a week ago) bought a hard drive (Seagate ST3000VN007), and set up S.M.A.R.T. Monitoring. I also used badblocks on it to see if there was any important damage because of the shipping ...
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HDD Abnormalities

I am pretty sure that my HDD is broken, but tests after show that it is mostly fine. About 1 month ago, my HDD clicked about 10 times on Windows 10 boot, this corrupted the boot sector of every ...
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103 views

How do I get the wear leveling data for my HGST HCC545032A7E380 SSD?

smartctl -a /dev/sda won't show what I need. grep -i matches none of "wear", "life", "left", "level". It does offer information on Raw_Read_Error_Rate, Throughput_Performance, Spin_Up_Time, ...
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4k views

What may cause very high CRC errors on SSD (Apart from bad SATA cables, if any)?

My SATA SSD, in a span of about 2 years has developed over 37K CRC errors. These have not linearly increased. There have been just 3 -4 instances where Windows hung and later after inspecting SMART ...
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1answer
52 views

What does this SMART data say about my Mac HDD?

My 2013 MacBook Pro with 500GB HDD was operating extremely slow after having some user login error issues. I backed it up, erased, and reinstalled Mavericks. Now I am getting this SMART data. How ...
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80 views

How can I diagnose and fix an intermittent disk connection issue?

I have a Lenovo X250 notebook running Debian testing. It has a 512 GB Crucial MX100 2.5" SATA SSD. Occasionally, the computer will lock up, and I'll need to restart. If I'm able to switch to a ...
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192 views

Can a HGST Replacement Hard Disk contain the wdidle3 parameter?

/dev/sda: SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 00 0a 04 51 00 00 21 04 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 SG_IO: bad/missing sense data, sb[]: 70 00 05 00 00 00 ...
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Does my disk have SMART support? (got outputs)

I can't run SMART tests on disks of our servers and I couldn't make sure if they support this feature or not (CentOS 7.2). Short story: We have a bunch of identical servers those assambled in a big ...