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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548 views

S.M.A.R.T. lifetime hours resetting to zero

I use S.M.A.R.T. selftest to test all of my hard drives and SSDs. I run a short test daily and a long test monthly. One of my SSD is showing odd behavior in that the lifetime hours seem to reset back ...
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1answer
16 views

how to set automatic tests with smartd for Broadcom / LSI SAS2008 controller

I have a server that I want to set up automatic tests with smartd for hdd. From what I see this is my controller 81:00.0 Serial Attached SCSI controller: Broadcom / LSI SAS2008 PCI-Express Fusion-MPT ...
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0answers
66 views

is running smartctl safe?

I cant seem to find a super easy answer for this and I am sure that RTFM applies here but I am hoping this question, asked simply, will also help many other noobs out there. I am running freenas and ...
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1answer
237 views

How to interpret conflicting status data between `smartctl` and `mdadm`?

I have a HDD which is a member of a RAID10 array. smartctl and mdadm give me conflicting indications of its status. smartctl claims that the disk is FAILED: $ sudo smartctl -H /dev/sdf smartctl 7.0 ...
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38 views

Drive failing SMART self-test, but rewriting the affected server does not reallocate it

I have a drive (a Seagate Momentus 7200.4 2.5" 7200 rpm drive of 500 GB, device model ST9500420AS) which is behaving strangely. I know the answer is probably just "throw it away" but I'm curious to ...
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0answers
163 views

smartctl reports CurrentPendingSector by mail every ~2 hours, but counter remains 0

I have smartmon tools installed on my ubuntu desktop computer that has a few disks. Since a few weeks it sends me a mail every 2 hours on average reporting CurrentPendingSector on my SSD disk (/dev/...
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2answers
139 views

Does this SMART report indicate a bad disk?

On a remote server, I have 2x3TB drives set in raid 0 with SLI raid card. I tried to run SMART tests to see if drives have a problem because server become unresponsive and one drive had to be put back ...
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1answer
97 views

Testing faulty disk

I have a degraded RAID-1 setup and I'm trying to troubleshoot the problem whether it's completely dead (and need to send the drive back to the vendor) or it can be brought back. So I ran smartctl: ...
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2answers
436 views

HDD SMART interpretation

I need your opinion if the drive below is failing. When I run "smartctl -a /dev/sda -d megaraid,1", 2 errors are posted at the end of the output, stating "Error: WP at LBA". I don't see anything ...
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1answer
40 views

Fixing a readonly-filesystem on Raid-1?

I have an Ubuntu 18 server using a software RAID-1 array, and smartctl is indicating that my /dev/sda is failing. Both Throughput_Performance and Reallocated_Sector_Ct are listed as "FAILING_NOW". ...
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0answers
31 views

smartctl on Linux, does not report certain S.M.A.R.T. values

I am hearing occassional (1/hour) clicking or switching sound ("tic-tic" and not "tic") from my computer and try to investigate the health of the hard-drives first (mechanical WDC, 4 years old). I am ...
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1answer
115 views

S.M.A.R.T. Attributes from OWC Mercury Rack Pro

I'm having difficulty getting SMART Attributes from drives in an OWC Mercury Rack Pro. I can successfully get all the drive info, but I get nothing past the START OF READ SMART DATA SECTION. It is ...
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1answer
142 views

How to derive bytes written from SMART's host_write_commands?

Using either smartctl 7.0 or nvme 1.7, I get the following data from the SMART log data_units_written : 350,371,149 host_write_commands : 2,974,115,785 Via smartctl, ...
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0answers
59 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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0answers
82 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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1answer
605 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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2answers
360 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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1answer
387 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
40 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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2answers
200 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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1answer
2k 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
3k 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
437 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
3k 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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0answers
329 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
935 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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1answer
1k 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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1answer
218 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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1answer
232 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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1answer
313 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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1answer
1k 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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1answer
72 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 ...
0
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1answer
297 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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2answers
4k 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
101 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 ...
2
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1answer
340 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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1answer
306 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
1k 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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0answers
39 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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2answers
243 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
4k 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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0answers
696 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 ...
4
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3answers
339 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 ...
14
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1answer
10k 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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0answers
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 ...
2
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1answer
3k 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, ...
2
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1answer
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". ...
2
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1answer
869 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 ...
2
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1answer
813 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 ...