Tagged Questions

Self-Monitoring, Analysis and Reporting Technology

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3
votes
1answer
36 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
1answer
52 views

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.
4
votes
1answer
144 views

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 ...
0
votes
0answers
468 views

smartctl error end_request: I/O error, dev sdb, sector

I have a Scientific Linux 6.5 server with a RAID with SSD disks. I see several error on dmesg file but there is no alert or errors provided by the utilities of the RAID controller (LSI controller). ...
1
vote
0answers
105 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 ...
0
votes
1answer
35 views

“Core Charge” on defective server HDDs

I have collected a pretty decent amount of SAS and SCSI disks over the years that have a predictive failure warning. I was just about to throw them all out, but wondered if any of the manufacturers ...
1
vote
0answers
19 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 ...
0
votes
1answer
188 views

How does loss of DWORD synchronization affect the health of an SAS disk?

I tried to get more information from the error log of an SAS disk by running the following command that prints values and descriptions of the SAS (SSP) Protocol Specific log page. # smartctl -d scsi ...
2
votes
2answers
53 views

Why does the temperature in a pair of disks under RAID 1 showing a large temperature difference?

It appears quite strange to me that temperature readings derived from SMART for one disk is different from its twin in a RAID 1 configuration by as much as 9°C: # smartctl -d scsi -A /dev/sg1 === ...
0
votes
0answers
76 views

How to enable temperature warning for SMART disk?

I have a scsi disk with SMART enabled and with the following information: # smartctl -d scsi -i /dev/sg1 ... === START OF INFORMATION SECTION === Vendor: SEAGATE Product: ...
0
votes
2answers
1k views

Cause of Current Pending Sector and Offline Uncorrectable increase and then decrease to zero

Over the course of a week, for a 3TB Seagate drive (ST3000DM001-1CH166), smartd reported a slowly increasing number of offline uncorrectable and currently unreadable (pending) sectors, then a ...
0
votes
0answers
42 views

SMART output - what's the significance and meaning of “verify” errors from smartctl -a for a HDD

Does anyone know the meaning of "verify" errors listed in the output of smartctl -a (or more precisely smartctl -l error), as well as their significance, if any, in trying to evaluate the health of a ...
0
votes
0answers
55 views

Nagios change threshold values

I'm using nagios checkmk 1.2.2 to monitor some hosts. How can I adjust specific smart values per host so they won't create a critical alert? For example: CRIT - Reallocated sectors: 2CRIT I only ...
0
votes
0answers
1k views

Ubuntu 14.04 disk utility SMART self-test failed threshold not exceeded

I'm using the "Disks" program in Ubuntu 14.04 (live DVD) to assess the health of a drive I suspect is failing. However, when I first opened the program, it showed that the overall health was OK and ...
1
vote
2answers
342 views

I/O Errors but no smart or ZFS errors

I'm having trouble to identify a problem for a friend of my. He is running ZFS on Linux with the Debian distribution. We are getting these entries into the dmesg. [273044.834151] mpt2sas0: ...
1
vote
1answer
35 views

Smartctl reporting read failure for block — How to mark as 'don't use'?

On one of my hard disc I've got a bad test result from smart like this: # 1 Extended offline Completed: read failure 90% 19889 128652505 # 2 Short offline Completed: ...
0
votes
2answers
90 views

Alternatives to SMART for Monitoring HDD Corruption

Given that SMART is unreliable for predicting HDD failure, does anyone have a reliable alternative for automating quick identification of hard drives that are beginning to fail? This is for Windows ...
2
votes
4answers
160 views

Is there a way to read SMART attributes for drives in a SAN?

We are running an SSD array in a SAN, and the performance is great. But we need to monitor the write endurance SMART attributes so that we can determine when the drives are close to wearing out. We ...
1
vote
1answer
280 views

SMART short offline test never ends for all drives of a RAID1

I'm having a strange situation here. After some three years in a low traffic server, one of two Samsung drives in a RAID1 has failed yesterday: Personalities : [raid1] md0 : active raid1 sdb1[2](F) ...
1
vote
1answer
251 views

How to silence “Disk Utility” “A hard disk is reporting health problems” [closed]

I'm working on repairing a raid member, and I know I have a bad disk. This dialog appears by the hundreds (a new crop is minted every time anything touches anything related to a mount, so closing ...
4
votes
1answer
524 views

How to access SMART attributes when using RAID with a Dell Perc 4e (LSI)

I can't easily shut down this windows server, so I'd like 'online' solutions. I tried the following unsuccessfully: Seatools Enterprise: caused a BSOD smartmontools: scan only showed virtaul RAID ...
0
votes
0answers
89 views

SMART: Raw Read Error Rate Errors on Mirrored Drives

Thanks for reading. I have a pair of 150GB WD Velociraptors that have failed SMART status. The only fail they have is the Raw Read Error Rate, which is as follows. ...
1
vote
1answer
226 views

SMART “power on hours” attribute for different HDD manufacturers

Is there a table of how to interpret the SMART attribute "power on hours" depending on the HDD manufacturer? Some of them use hours, some minutes or even seconds...
1
vote
1answer
380 views

PERC H710p SMART data

I'm trying to read the SMART data from some harddisks attached to a perc H710p but neither ESXI nor the idrac7 will give me specifics. The idrac will display a status for the individual drives but not ...
1
vote
3answers
427 views

Is there a point where harddrive age (Power On Hours) necessitates replacement? [duplicate]

I have several storage arrays where a significant number of the drives have been powered on between 25,000 - 30,000 hours (2.8 - 3.4 years). These drives have no other issues or errors. What I want ...
2
votes
2answers
183 views

nagios: alternatives to SMART disk checking?

I'm attempting to repurpose some older Dell PE 29xx machines. These have PERC RAID controllers so the SMART testing isn't working. Is there an SNMP alternative or do I need to start slogging through ...
6
votes
2answers
871 views

powershell: How to check if S.M.A.R.T is enabled on remote machines

I was attempting to get disk info of remote machines, including whether or not SMART is enabled on the drive by using the win32_diskdrive class. This is trickier than I thought. While it's easy ...
0
votes
1answer
65 views

Should I run extended offline self tests using smartd?

A while ago I setup smartd on all my servers do do a daily "Short Offline" test and a weekly "Extended Offline" test. The config for that is "-s (S/../.././00|L/../../7/04)". Today I noticed one of ...
0
votes
1answer
288 views

Currently unreadable sectors on RAID 5 linux drive

I have every 30 minutes smartd messages on /var/log/messages: smartd[3588]: Device: /dev/sdc, 176 Currently unreadable (pending) sectors This drive (sdc) is part of RAID 5 configured with mdadm. ...
1
vote
1answer
608 views

How do I check if smartd and mdadm are running correctly?

I have a raid system on debian: Disk /dev/sda: 320.1 GB,... Device Boot Start End Blocks Id System /dev/sda1 * 1 2432 19535008+ fd Linux raid ...
7
votes
2answers
432 views

How to find files affected by reallocated sectors?

I have a Western Digital RE4 1.5TB that has just reallocated 56 sectors. Reallocated Sectors Count,140,193,193,OK,56,0,Enabled I want to know if it is possible to find out which are the files ...
0
votes
1answer
146 views

Can smart data be read from proc on Linux?

I see there is a virtual file /proc/ide/hda/smart_values and I imagine it contains the smart data that smartmontools reads with the smartctl command. Can I read that data with my own eyes? I see a ...
0
votes
1answer
81 views

Separate static ip's from one port on modem with smart switch

I have a network where our service provider gave us one port on our modem that has static ip's. Was confused on how to separate these ip's. I was going to use a smart switch with vlan as such: vlan 1 ...
0
votes
1answer
139 views

Hddtemp and drivers

hddtemp /dev/sda /dev/sda: DELL PERC 6/i Adapter: S.M.A.R.T. not available Does this mean I need to install some type of driver on my linux server to access that information?
2
votes
0answers
1k views

PERC MegaRAID S.M.A.R.T. Status is not matching smartctl's - looking for clues what's wrong with the HDD

I'm getting strange SMART error from MegaCli on Dell R720xd and PERC H710P with five 4Tb SATA drives in RAID5 /opt/MegaRAID/MegaCli/MegaCli64 -PDList -aALL gives me some "Failure Seq Event Number" ...
3
votes
2answers
322 views

Confirm disk is broken when it passes all diagnostics

I have a system with a potentially broken disk, but the disk passes all manner of diagnostics. I have been unable to confirm that the disk is broken. What are my options? I could just replace the ...
4
votes
4answers
2k views

How reliable is HDD SMART data?

Based on SMART data, you can judge the health of a disk, at least that is the idea. If I, for instance, run sudo smartctl -H /dev/sda on my ArchLinux laptop, it says that the hard drive passed the ...
0
votes
1answer
101 views

Cannot perform smartctl self-test after migrating servers from SLES to Scientific Linux

I maintain several Linux servers, that we are in the process of migrating from SUSE Linux Enterprise Server (version 10.4) to Scientific Linux (version 5.9). The six SAS hard drives on each machine ...
-1
votes
1answer
80 views

Fast backup and restore on RAID10

to test a software update on a server with 4 hd in RAID10, I'm going to remove two of the 4 hd to use them again to restore the system to its previous state. The controller is a Smart Array 6400 with ...
0
votes
2answers
89 views

Hard drive errors: probably 2 bad sectors and nothing is working

All started with bsod from WindowsXP: unmountable boot volume. Then I tried ubuntu and Palimpsest. SMART status was OK (2 bad sectors), but all test failed on "reading system" (I don't know if I ...
6
votes
3answers
2k views

How are SMART selftests related to badblocks?

The smartctl tool allows initiating a long self-test (smartctl -t long /dev/sda). However there's also badblocks that I can run on a drive. How are the two related? If badblocks detects bad blocks, ...
2
votes
2answers
458 views

Is my HDD falling?

I tested my HDD with command: smartctl -t long /dev/sda I checked status of test with command: smartctl -l selftest /dev/sda This is the output: smartctl 5.42 2011-10-20 r3458 ...
2
votes
3answers
1k views

HP Proliant Smart Array Controller P800 Battery replacement

I have a proliant server which requires a cache battery replacement. Can you please advise what are the implications if this is not replaced over time. many thanks
2
votes
1answer
2k views

How To Change Dell Bios Settings Remotely?

I recently noticed at a clients that their Dell laptops appear to have SMART disabled in bios by default. I noticed this while swapping out a disk on a desktop which had failed without any warning.. ...
1
vote
2answers
205 views

Why can't I recover a RAID1 disk which apparently has no errors?

For several years now we run a software RAID1 on a old Gentoo box with a custom Linux 2.6.31. The RAID consists of 2 harddisk with 4 partitions each. In the last years it happend about 3-4 times that ...
1
vote
2answers
2k views

How to get more informatin regarding a Synology S.M.A.R.T error

I have a 3TB Seagate Barracuda (ST3000DM001-9YN1) that is less than a year old, and my Synology DS1512+ is reporting it as "S.M.A.R.T. Status = Abnormal" and telling me to replace the drive. While I ...
1
vote
1answer
3k views

Drive is failing but LSI MegaRAID controller does not detect it

smartmontools reports an increasing number of unreadable sectors on a drive that is used in a RAID1 configuration. I thought that the LSI MegaRAID controller also checks the SMART status of its disk ...
3
votes
1answer
3k views

S.M.A.R.T. (smart) attribute 190 failing on Seagate Backup Plus 4TB drive

I am using a Seagate Backup Plus 4TB drive attached over USB to a Linux box. The drive model is ST4000DX000-1CL160. When checking the S.M.A.R.T. attributes I get: $ sudo smartctl -a -d sat ...
1
vote
1answer
600 views

HP Proliant ML350 G6 Smart Error Test

I have a ML350 G6 with two array controllers : P410 and P410i. I have updated all possibile firmware on this server. I have 5 x Seagate Savvio 10K SAS drives. I am testing the drives with HP Insight ...
-3
votes
1answer
832 views

SMART and exception Emask 0x0 SAct 0x0 SErr 0x0 action 0x0 [closed]

looking at the logs I see several errors. The smart status is PASSED, but even if It is verbose It isn't clear what is going on. Should the disk be replaced? Attached dmesg and smart logs # dmesg ...