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Questions tagged [smart]

Self-Monitoring, Analysis and Reporting Technology

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14 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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24 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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91 views

SMART - Understanding Offline Data Collection

I have two Kingston A400 120GB SSD as cache in a Synology NAS, which don't seem to support automatic offline data collection. # smartctl -d sat -c /dev/sdc | grep -i "Auto Offline data collection" ...
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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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1answer
47 views

Is there ready S.M.A.R.T monitoring toolkit for NVME disks (exporter,source,board)?

I already found node_exporter and grafana board for HDD S.M.A.R.T. Can You please get advice or url for ready exporter or other toolkit? I'm trying to wrote my own "messy" text exporter for ...
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0answers
34 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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2answers
288 views

mdadm RAID5 random read errors. Dying disk?

First the long story: I have a RAID5 with mdadm on Debian 9. The Raid has 5 Disks, each 4TB of size. 4 of them are HGST Deskstar NAS, and one that came later is a Toshiba N300 NAS. In the past days I ...
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1answer
87 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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1answer
81 views

OfflineUncorrectableSector & CurrentPendingSector emails - what should I do?

Running Centos 7: I've just done a yum update followed by a reboot on one of my servers, and when it came back up I got two emails: First: OfflineUncorrectableSector Device: /dev/sdb [SAT], 28 ...
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2answers
50 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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77 views

Is this disk about to die?

I have a WD Red 4 TB disk (WD40EFRX-68WT0N0, firmware 82.00A82) that is occasionally showing uncorrectable read errors in the SMART error log, e.g.: Error 43 [18] occurred at disk power-on lifetime: ...
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203 views

How to parse smartctl's output

I'm in the process of changing a bunch of our monitoring stuff, and smartctl as usual is problematic. Most of the time, looking for "No Errors Logged" in smartctl -l error <options> seems to do ...
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1answer
57 views

G-sense errors in new disks

I have a Synology DiskStation. It used to contain 3xTB drives, I now have 2xTB, 2x8TB drives. The old drives were "Seagate NAS" drives, the new ones are from the same(?) series, named "Ironwolf". The ...
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2answers
1k 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
271 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
84 views

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 ...
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1answer
788 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
909 views

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 ...
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0answers
145 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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0answers
64 views

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. ...
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2answers
747 views

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 ...
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1answer
103 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
816 views

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 ...
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0answers
281 views

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 ...
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1answer
79 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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2answers
323 views

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: ...
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1answer
995 views

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 ...
2
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1answer
779 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
50 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
160 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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1answer
296 views

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 ...
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2answers
268 views

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 ...
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1answer
224 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
814 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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1answer
129 views

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 ...
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1answer
1k views

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 ...
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1answer
365 views

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, ...
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1answer
390 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 ...
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2answers
171 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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2answers
57 views

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 ...
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1answer
45 views

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 ...
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1answer
669 views

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] ...
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1answer
1k views

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 ...
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1answer
93 views

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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3answers
205 views

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/...
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3answers
2k 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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2answers
10k views

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 suspend offline ...
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1answer
168 views

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 ...
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0answers
34 views

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 ...
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1answer
2k views

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 ...