Questions tagged [smart]
Self-Monitoring, Analysis and Reporting Technology
211
questions
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916
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Current Pending Sector S.M.A.R.T
Hello I have a Linux Server mounted with BTRFS in RAID-1 and I would like that someone more expert than me could solve my doubts. I have 3 HDD of 6TB each, in one of them every so often smartd detects ...
-3
votes
1
answer
262
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RAID 0 - disk failure probability - need help to verifying my experience [closed]
I have HP DL380 G7, with 8x300GB disks. The disks are not HP genuine, they are OEM.
I configured RAID 0 for all disks, as i need speed and i have backup plans.
within 1 month:
1 Disk threw SMART ...
2
votes
1
answer
10k
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smartctl drive Media_Wearout_Indicator values outside normal bounds
I was attempting to put some monitoring in place to track the health of my SSD RAID on my production database. Normally I would expect a value of between 100 (new) and 0 (dead) for the ...
4
votes
0
answers
5k
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Troubleshooting `Buffer I/O error` on software-raid/md-device
I've got a RAID-5 mdadm array that reliably causes Buffer I/O error on dev md0, logical block 1598030208, async page read to be written do dmesg when reading that block. Of course, the read also ...
1
vote
0
answers
918
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Smartd supress/change level for FAILURE PREDICTION THRESHOLD EXCEEDED
I'm using smartd to monitor drive health
It started compaining about FAILURE PREDICTION THRESHOLD EXCEEDED for one drive, but I extensively tested that drive and it's fully functional
That drive is ...
2
votes
1
answer
433
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S.M.A.R.T Power_On_Hours wrap around with Seagate Baracuda?
I have a well used Seagate Barracuda 7200.9 with 80 GB. The smart report shows
Power_On_Hours 0x0032 094 094 000 Old_age Always - 5646
But that can't be right. ...
3
votes
2
answers
3k
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SATA disks being identified as SCSI
I have two identical servers with same hardware and cloned Linux OS. They both have Supermicro HBA AOC-S3008L. Yet one server identifies SATA disks as SCSI while the other one correctly identifies ...
1
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1
answer
421
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HGST He8 S.M.A.R.T. test extended-self test polling time variability
I recently received a batch of 6 brand new HGST He8 drives and when running an initial long self-test on them, I noticed that the extended self-test routine recommended polling time exhibit a very ...
1
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1
answer
3k
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How bad are Hardware_ECC_Recovered, Seek_Error_rate and Raw_read_error_rate for disks?
As I bought a second-hand like-new 10TB disk on Amazon for back-up purposes, I did a smart read which showed the disk had barely been used.
The smart info was very confusing though, as Western ...
3
votes
1
answer
1k
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ZFS keeps repairing the same disk when scrubbing - what does that mean?
I have a ZFS pool comprised of 6 disk, arranged in 3 stripped mirrors. The server is a Supermicro X11SSM-F with a Xeon CPU, 32 GB of ECC RAM running Ubuntu 17.04. I'm using 2 Icy Dock MB154SP-B to ...
1
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1
answer
381
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Filesystem set to read-only mode, which drive is faulty?
I woke up today to find out my CentOS server's filesystem has been set to read-only mode. I'm running RAID 1 on this server.
# mkdir test
mkdir: cannot create directory `test': Read-only file system
...
2
votes
2
answers
1k
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How to interpret failure data provided by SMART and zfs
In a small server system, I have a zfs file system with a mirrored pair of consumer grade drives (Seagate Barracudas). Recently, during a periodic scrub operation the following result was given:
...
1
vote
1
answer
2k
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Raw Read Error Rate for Intel SSDs
I've provisioned a few servers with a bunch of Intel S3610's and I'm a bit concerned about the "Raw Read Error Rate" values. The tools shows all drives as healthy and there are no other errors as ...
6
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1
answer
3k
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smart long test - what is the performance impact on busy server?
I have a busy server with a RAID 1 setup. The application (runs in PHP) is very read/write intensive to the database (MariaDB).
A cronjob runs smartctl short test every day and checks the output of ...
0
votes
1
answer
100
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Trouble Getting the smartd Attributes of a Western Digital 4TB HHD
I am trying to get the smartd attributes of a Western Digital 4TB HHD model WD4001FYYG-01SL3. I would like to get the following attributes:
SMART 5 Reallocated Sectors Count
SMART 187 Reported ...
0
votes
2
answers
628
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Out-of-order lifetimes in SMART self-test log
I was peeking at a server's SMART log, and noticed this (emphasis mine):
SMART Self-test log structure revision number 1
Num Test_Description Status Remaining LifeTime(hours) ...
1
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1
answer
801
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How to calculate /get the UBER value from S.M.A.R.T measurements in SSDs
UBER is a metric for the rate of occurrence of data errors, equal to the number of data errors per bits read over the entire lifetime of an SSD.
Mathematically:
The numerator is the total count of ...
3
votes
2
answers
2k
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S.M.A.R.T. Errors of previous hdd or need to replace?
I ran s.m.a.r.t and came up with some weird errors, although the disk is pretty fresh Power_On_Minutes 427h+41m
I'm curious, are these the errors of previous hdd?
Error 1 occurred at disk power-on ...
0
votes
1
answer
727
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Does "smartctl -H or -all" run anything against disks or just poll data?
I am setting up Smart monitoring currently and I had a question regarding the command
smartctl -H /dev/sda
=== START OF READ SMART DATA SECTION ===
SMART Health Status: OK
Does this actually run ...
1
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1
answer
2k
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In smartctl, what does means "Percentage used endurance indicator too short"?
I use Bacula to make backups. When i use smartctl
# smartctl -H -l error /dev/st0
smartctl 5.43 2012-06-30 r3573 [x86_64-linux-2.6.32-431.1.2.el6.x86_64] (local build)
Copyright (C) 2002-12 by Bruce ...
2
votes
1
answer
769
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Weird smartctl output. Is my disk in danger?
I have a disk, that gets me kinda weird smartctl output. I have never seen such large nubmbers on other disks.
Does anyone now how to interpret these ? Is the disk likely to be faulty ?
SMART ...
3
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1
answer
3k
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S.M.A.R.T attribute saying FAILING_NOW
I have the following SMART attribut staying at FAILING_NOW, but with a raw value of just 1. Is it not suposed to change to IN_THE_PAST later ?
ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH ...
1
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1
answer
937
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SMART vs badblocks, who is right?
I have and semi-old hdd (magnetic one, not ssd) and I intended to use it as system drive for my new NAS.
So I've run SMART selftest on it and it ended with status "Completed: read failure". However, ...
0
votes
1
answer
862
views
Is it possible to reset S.M.A.R.T. Spin_Retry_Count?
I have a 20-bay nas that uses Norco 5 in 2 hard drive cages.
It's been at about half capacity most of it's life, but I recently added 5 new drives too it and ever since I've just been having sporadic ...
0
votes
2
answers
403
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Ran smartctl on my drive, not sure if this is good or bad
I've been having problems with a drive in my Synology diskstation. I saw the following errors pop up on my /var/log/messages:
ata6.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6 frozen
ata6....
0
votes
3
answers
1k
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What is the absolutely simplest way of sending notification from a linux server?
I have a server with smartmontools and I wish it sent med a notification/warning email whenever a disk fails.
For this i need to setup a email server on the machine. However this will be the only ...
-2
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1
answer
63
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Only notify when unreadable sectors increases
Is there a way to only be notified when the amount of unreadable sectors increases on a certain disk?
The following warning/error was logged by the smartd daemon:
Device: /dev/sdb [SAT], 4 Currently ...
4
votes
1
answer
1k
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Reliability of S.M.A.R.T. Selftest
I let smartd check my hard drives regularly. Recently I have been notified about a failed short selftest on one of my hard-drivers.
smartctl 6.4 2014-10-07 r4002 [x86_64-linux-3.16.0-0.bpo.4-amd64] ...
3
votes
1
answer
2k
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How to check S.M.A.R.T. HDD Status in CoreOS
How to check the status of the hard discs (S.M.A.R.T.) in the CoreOS?
smartd and smartctl are not part of the CoreOS.
So following CoreOS philosophy smartd would run inside of the container, as a ...
0
votes
1
answer
152
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Windows Server - WMI Permission?
This question is related to this one.
I am trying to get some disk sensor data via WMI (W2012R2). Therefore I added a user wmiagent and granted some rights. I did it exactly like in this guide.
Some ...
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3
answers
447
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CentOS 7 server rebooted itself into rescue mode - how can I find out why?
I've switched it back to regular boot and it seems to boot up fine.
So why did it reboot?
Running "last" doesn't even show a log OF a reboot. What does that suggest?
When I try "smartctl -a /dev/...
4
votes
3
answers
8k
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What's the top normal S.M.A.R.T. temperature for HGST Helium Ultrastar 8TB 7200 RPM SAS 12Gb/s enterprise drives?
I've just received new Dell R730xd 2U server with faceplate 12 * 3.5" drive bays + 4 * 3.5" mid-body tray, located above RAM modules & CPUs. I've plugged 16 * HGST Helium 8Tb 7200 RPM SAS 12Gb/s ...
37
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2
answers
23k
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What does SMART testing do and how does it work?
man smartctl states (SNIPPED for brevity):
The first category, called "online" testing. The second category of testing is called "offline" testing. Normally, the disk will ...
3
votes
1
answer
234
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SMART self tests - worthwhile if already doing weekly RAID checks and smartctl -a output being monitored?
If a server is configured to check the RAID weekly using /usr/sbin/raid-check and the output of smartctl -a is being monitored, is it worthwhile to also have regular SMART short and long self tests be ...
1
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0
answers
39
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Generating SMART errors to make sure I'm detecting them correctly
I wrote a script that checks various server's HDDs for SMART errors and takes some action if it finds any.
Non of our servers are reporting any SMART errors and instead of waiting to see if my script ...
1
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1
answer
4k
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FreeNAS is getting Uncorrectable parity/CRC errors
In my FreeNAS 9.3 installation I am getting more and more Uncorrectable parity/CRC errors (like these here:
May 15 13:39:41 freenas (ada1:ahcich1:0:0:0): READ_FPDMA_QUEUED. ACB: 60 00 b8 0e 18 40 91 ...
1
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2
answers
144
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Measuring external hdd's rough handling
An external USB hard drive periodically travels to and from my facility to update its files (it's for offsite backup). HDD, not SSD. How can I measure if it's being handled too roughly? I'd rather ...
2
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1
answer
5k
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S.M.A.R.T long self test. Does the test continue after finding bad blocks?
I've been watching a SMART enabled HDD closely recently (connected to an OSX Server, which is not very helpful with SMART output out of the box).
The drive is definitely failing- the heads click, ...
2
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1
answer
5k
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SMART attribute 231 mystery: Mushkin SSD
Following from this question: How do I convince smartmontools that my SSD is not a hard drive?
... I now have the Mushkin MKNSSDCR120GB-MX's SMART attributes reading as "SandForce Driven SSDs". ...
0
votes
1
answer
517
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Unable to get SMART metrics from Seagate Disks on Debian OS
Referring to the question here, I too am trying to get all attributes out, as explained in this blog here.
I am using Debian 6 as OS, and installed smartmontools version 6.3 using apt-get. My 6 disks ...
2
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1
answer
1k
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How do I convince smartmontools that my SSD is not a hard drive?
I'm running Debian Wheezy, stock smartmontools package (smartctl 5.41).
An SSD, Mushkin MKNSSDCR120GB-MX, is reporting usage lifetime information in SMART attribute id 231 (decimal). For hard drives ...
4
votes
2
answers
5k
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Finding out which cciss disk is what /dev/sdX disk (smartmontools & cciss raid controller)
I have a HP server, which has a hardware RAID array (that mostly isn't being used for raiding, the disks are just passed through to the Linux OS). I have 6 SSD disks. 2 are riad mirrored together by ...
3
votes
1
answer
1k
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How can a SMART normalised value be lower (worse) than the worst value?
I'm seeing output from smartctl where the VALUE is much less than WORST for some attributes. Does this make sense? What does it mean?
Everything I have read indicates that:
The raw value (RAW_VALUE ...
3
votes
1
answer
8k
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"failed command: WRITE DMA" but SMART test says hard disk is OK
Recently I started receiving (in dmesg) such errors:
[ 1569.944985] ata6.01: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x6
[ 1569.944991] ata6.01: BMDMA stat 0x44
[ 1569.944994] ata6.01: failed ...
1
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1
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1k
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Setting up VLANs using GS724T & Draytek 2860n-Plus
I am having a world of problems here and can't see what is going wrong!
The Plan:
Use the Draytek to connect to the internet and provide WLAN access.
Single port to connect to the GS724T and tag ...
5
votes
1
answer
2k
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HP Proliant G6 reporting failed SSD drive - alternative strategies for monitoring?
I would like to get your feedback about a controversial situation I found myself in some days ago. I was tasked to use a HP Proliant G6 for development purposes with 2 new (< 2 months, never used ...
42
votes
6
answers
7k
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Is my Hard Drive Failing?
I just tried to run a test on my hdd and it doesn't want to complete a self test. Here is the result:
smartctl --attributes --log=selftest /dev/sda
smartctl 6.2 2013-07-26 r3841 [x86_64-linux-3.13.0-...
3
votes
1
answer
388
views
When does a Raid restore redundancy after a broken sector is flagged as defective?
What happens when I flag a sector on a hdd in a RAID setup as `defective (GLIST) ?
Will the data be written to the replacement sector right away or does this depend on the actual setup/settings (...
-2
votes
1
answer
475
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VMWare ESXi 4.1.0 - Checking SMART info [closed]
I'd like to know if there's a way to check the SMART info for hard drives on VMWare ESXi 4.1.0? Thank you.
5
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1
answer
2k
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HDD is acting up, but S.M.A.R.T says everything is fine
Before I begin, a quick disclaimer. I'm basically a developer forced into a sysadmin role by circumstances, so I apologize in advance if I say something stupid or seem like I don't know what I'm doing....