Super User Stack Exchange
Super User Stack Exchange

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.

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.

This technology monitors and logs many events while the disk is running. Analyzing the data allows to know the drive's reliability and predict its failure.

469 questions
164
votes
16 answers

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?
Adrian Grigore
  • 1,873
  • 4
  • 17
  • 20
104
votes
1 answer

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-4.4.0-141-generic] (local build) Copyright (C) 2002-16,…
Atario
  • 1,228
  • 2
  • 10
  • 18
51
votes
9 answers

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 (Reallocated Sectors Count) = 0 How can I force the…
edteke
  • 653
  • 1
  • 6
  • 5
50
votes
4 answers

Samsung SSD "Wear_Leveling_Count" meaning

I have Samsung SSDs on my own laptop and on some servers. When I do: smartctl -a /dev/sda | grep 177 I get results that I cannot understand. Here are some examples: # my laptop Samsung SSD 850 EVO 500GB (new) ID# ATTRIBUTE_NAME FLAG …
Nick
  • 703
  • 1
  • 5
  • 12
40
votes
6 answers

Is it possible to check an external USB Drive health (SMART)?

Is it possible to check an external USB Drive health (SMART)?
user3109
38
votes
5 answers

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 Count" value is 263 (ideally it should be 0 as it…
raven
  • 5,355
  • 7
  • 39
  • 51
36
votes
3 answers

What do the current, worst, and threshold SMART values mean?

I have a 2TB internal hard drive that might be failing. It spends several minutes at 100% usage when I first turn it on since I installed Windows 10, and yesterday it reported a corrupted Recycle Bin. I downloaded CrystalDiskInfo, and the pertinent…
Celarix
  • 493
  • 1
  • 5
  • 8
35
votes
4 answers

Is my hard drive failing?

I'm beginning to worry about my ~3yr old WD Green drive. In the last few days i've noticed that my media player is acting weird, it won't move to the next track after a song has finished and also won't play new songs when I double click. So, I…
jim
  • 451
  • 1
  • 4
  • 5
25
votes
4 answers

SMART-Test never finishes

When running SMART-Tests using smartmontools, they NEVER finish. I always get "Interrupted (host reset.)" on various different systems and disks, including Debian in x86 and ARM, OS X on x64, with external and internal drives. Even when run in…
bot47
  • 1,802
  • 3
  • 21
  • 35
25
votes
6 answers

Why do different manufacturers have different S.M.A.R.T value?

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 status of hard drives reports can have a strong…
James T
  • 9,941
  • 4
  • 28
  • 30
23
votes
8 answers

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 your preferred method for getting this data to…
Joe Phillips
  • 1,400
  • 7
  • 22
  • 30
22
votes
2 answers

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 Offline - 1 This apparently is only a sign…
Christian
  • 350
  • 3
  • 13
19
votes
2 answers

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 I tried checking with smartmontools... My Seagate…
Ivan Kovacevic
  • 477
  • 1
  • 7
  • 16
19
votes
1 answer

How to test SSDs or NVMe for badblocks'?

With the traditional spinning disks diagnostics is rather easy. If you suspect a drive to be faulty, you can check the SMART values, run a SMART extended test and a badblocks -wsv test. If all three tests show no error, the drive is probably/usually…
masgo
  • 2,194
  • 1
  • 16
  • 32
18
votes
6 answers

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 interrogate the S.M.A.R.T. values on the Seagate…
Contango
  • 1,179
  • 6
  • 15
  • 36
1
2 3
…
31 32