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Questions tagged [smartctl]

smartctl controls the Self-Monitoring, Analysis and Reporting Technology (SMART) system built into many ATA-3 and later ATA, IDE and SCSI-3 hard drives.

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16 views

Wear levelling score on smartctl does not match TBW claim

I have a small secondary Toshiba RC100 SSD with specified endurance of 120 TB. smartctl reports data units written of about 3% of that. But the wear levelling count(or "Percentage used") reports at ...
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71 views

smarctl fails to read any S.M.A.R.T data

One hard drive (/dev/sdb) appears to be malfunctioning, though still detected: $ lsblk NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT sda 8:0 0 1,8T 0 disk ├─sda1 8:1 0 512M 0 ...
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Error on NEW SSD in CloudLinux

I build a new server a 7 days ago. But now i receive this error: Warning: ATA error count 0 inconsistent with error log pointer 1 And i runs this command: smartctl --all /dev/sda and receive ...
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exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0

During the bootup on my bootdrive /dev/sda I am seeing below messages repeated continuously for good 20 seconds. [ 121.285290] ata1.00: exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 [ 121.291712]...
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33 views

How to collect historical data using smartctl?

I'm trying to do some analysis on the SMART stats of disk drives. Unfortunately, I'm not collecting/storing smart stats data daily for the analysis. I will be writing some procedure to collect it from ...
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32 views

Linux smartd only send alerts for reallocated sector alerts or high temps

Smart version: ii smartmontools 5.41+svn3365-1 amd64 control and monitor storage systems using S.M.A.R With the following configuration: /dev/...
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28 views

smartd.conf setting to test multiple disks

I got issue where i want to set smartd.conf to automaticaly test disks. Problem is that option DEVICESCAN which i suppose means all disks does not work for some reason so i need to specify each disk ...
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69 views

Does calling storcli on a hard disk drive induce read/write latency?

I am calling storcli /c0/eall/sall show all on some 4TB Western Digital hard disk drives to get their SMART code status. When I do this it causes significant write latency to the disks, is that ...
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70 views

smartd daemon email frequency

I am struggeling with smartd.conf and disk auto-test/emails. My settings now: I set my MAILADDR in mdadm.conf and also ran smartd.service and ever since iam receiving info about disk failures, but ...
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264 views

Tests with smartctl vs smartd

I am looking into setting up smartmontools. I'd like to control when the tests run. I was thinking of running: /usr/sbin/smartctl --test=short /dev/sdX (every week) /usr/sbin/smartctl --test=long /...
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60 views

How can I change a SMART attribute value?

I have a drive which has signaled a SMART error (Current_Pending_Sector is 1) and I've run a "long offline test" against the drive which reported zero errors. This was after running a "short offline ...
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161 views

smartctl 6.6 missing attributes table

I'm used to analyze the output of smartctl -A using grep on specific attributes. Example: smartctl 5.41 2011-06-09 r3365 [x86_64-linux-3.2.0-4-amd64] (local build) Copyright (C) 2002-11 by Bruce ...
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1answer
39 views

Hardware Checks after Air Conditioning Failure

We had an overnight air conditioning failure. We discovered that the temperature in the server room had reached about 110-115°F (43-46°C). We powered off everything that hadn't already and had the A/C ...
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81 views

How to determine disk connection type in Linux

So this might be an obvious question, but I am managing several servers over a network and I would like to be able to find out what type of connector each server is using (i.e. SATA, SCSI, IDE, etc...)...
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1k views

SSD Wear_Leveling_Count = 17

I have just checked my SSD drive (Samsung SSD 750 EVO 120GB) with smartctl. The result is: ID# ATTRIBUTE_NAME FLAG VALUE WORST THRESH TYPE UPDATED WHEN_FAILED RAW_VALUE 5 ...
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2answers
2k views

SMART error (CurrentPendingSector) detected on host

Smart is reporting the following error each day one one of my data centre server SSDs: This message was generated by the smartd daemon running on: host name: x DNS domain: x The following ...
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1answer
316 views

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 ...
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1answer
1k views

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 ...
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195 views

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 ...
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1answer
757 views

linux + how to identify disk health

we have linux redhat server version 7 we are suspects that one of the disks (/dev/sdc ) in the machine HW ( dell ) is in bad state, ( and that because required to do fsck from dmesg ) but we not ...
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1answer
47 views

Enable new disk in raid

I had a server with 2 disks in a raid and one of them failed. Called the provider and had them change the disk. After a reboot I still see only one disk: cat /proc/mdstat Personalities : [raid1] [...
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534 views

HDD Bad sectors not realloated but no smart errors

I have a pair of WDD drives and recently one got kicked out of the RAID1 array. SMART is showing that there's IO errors on some sectors, but all the SMART attributes appear to be looking fine: root@...
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131 views

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 ...
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103 views

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 ...
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265 views

Linux centos 6.5 Disk performance monitoring using smartctl

i installed smartctl utility in centos 6.7 but cant get output of smartctl , i fire # smartctl -i /dev/sda smartctl 5.43 2016-09-28 r4347 [x86_64-...
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933 views

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 ...
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58 views

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 ...
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1answer
195 views

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) ...
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2k views

How do I determine the failed/removed HDD in mdadm raid?

My current mdstat: $ cat /proc/mdstat Personalities : [raid6] [raid5] [raid4] [linear] [multipath] [raid0] [raid1] [raid10] md0 : active raid6 sde[8] sdh[4] sdg[1] sdd[6] sdb[5] sdc[7] ...
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1answer
87 views

Lycom PE-115 firware update possible? Otherwise `smartctl` on FreeNAS reports errors

I have Lycom PE-115 SATA 3 2 Port 6Gbps Low Profile PCI-e 2.0 Host Adapter in my machine running FreeNAS. It seem have some trouble with SMART of SanDisk SSD Plus I connected to it. I've seen reports ...
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Refreshing information about drives

Is there a way to refresh/retest drives through hpacucli/smartctl? More specifically are there any reasons to believe that the information those tools give you might be inaccurate/old?
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1answer
279 views

e2fsck found no errors, but S.M.A.R.T. self test fails

I have an external Freecom HDD (Samsung drive inside), connected via USB and using it's own power supply. The disk disconnects itself on random interval of time (from few hours up to a month). I tend ...
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249 views

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 ...
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1answer
927 views

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 ...
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38 views

Is my drive good or going bad?

I just ran SMART on my server's drives but I'm not too sure how to interpret it. My results seem like the drive is doing fine, but I would like a second (or third) opinion, just to be safe. Here are ...
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193 views

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....
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3answers
3k views

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 ...
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589 views

Smartctl output varies; some RAID does not contain attributes

I have run smartctl -a on five different computers (mostly CentOS 7 Linux with smartctl 6.2), and I noticed two styles of smartctl output. Why would it change its output format? One style contains a ...
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3answers
318 views

Hardware RAID1 configuration - Possibly failed sectors on one physical disk. Does the OS automatically read from the other disk?

I'm not a professional sysadmin but since I couldn't find answers to my specific case after researching for a while I was hoping I could get some help here. Our server uses P222 - a HP Smart ...
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1answer
7k views

Is smartd really reporting this drive is too hot?

"SMART Usage Attribute: 194 Temperature_Celsius changed from 146 to 150". This is on CentOS 6.6. What does this really mean? Is the drive really hot or is this perhaps a software bug? The drive is an ...
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3k views

Get disk serial number by smartctl under raid0 of LSI

I'm trying to get the disk serial number of disks attached to the Centos server. When there was no raid0 (under LSI), I can get the serial number and model of /dev/sdb by: smartctl -i /dev/sdb and ...
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2k views

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, ...
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3k views

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". ...
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832 views

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 ...
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692 views

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 ...
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2answers
6k views

freenas disc problems - smart error - how to repair zfs raid?

My problem was that hdds of my zfs raid partly degraded and partly destroyed after a lightning. I was able to detect the problem with zpool status: zpool status myzfs pool myzfs state: DEGRADED (...
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2answers
2k views

Windows Tool to read S.M.A.R.T. attributes on SATA drive in HP D2700 Enclosure using P812 Controller

I've got two HP DL380 G7 servers + P812 controller + D2700 enclosure. They're database servers with 144 Gb RAM. P812 firmware is 6.40, D2700 is at 0147 They both worked great with 18 OWC Mercury ...
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6k views

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-...
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3answers
17k views

smartctl & megaraid: how to find the right device node for an adapter #

I can list physical drives on all megaraid adapters using: megacli -PDList -aALL This will display an adapter # for each adapter, and then list the physical drives attached to them. The individual ...
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39 views

smartd rule does not work

I have an issue with smartd. I've studied its man page, and then I've set the SMART daemon to run long test of the hard disks two times a month and alert to the specified mail address in case of ...