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35
votes
10answers
15k views

How should I burn in hard drives?

Google did a very thorough study on hard drive failures which found that a significant portion of hard drives fail within the first 3 months of heavy usage. My coworkers and I are thinking we could ...
27
votes
4answers
5k views

Mean Time Between Failures — SSD

The Mean Time Between Failures, or MTBF, for this SSD is listed as 1,500,000 hours. That is a lot of hours. 1,500,000 hours is roughly 170 years. Since the invention of this particular SSD is ...
18
votes
6answers
1k views

Should I 'run in' one disk of a new RAID 1 pair to decrease the chance of a similar failure time?

I'm setting up a RAID1 array of two new 4TB hard drives. I heard somewhere previously, that making a RAID1 array of new identical hard drives bought at the same time, increased the chance that they ...
13
votes
6answers
16k views

How to recover from a drive failure in a RAID 5 configuration?

This morning a drive failed on our database server. The drive array (3 disks) is setup in a RAID 5 configuration. While we wait for a drive replacement we are preparing for a recovery strategy. Users ...
10
votes
4answers
5k views

Hard drive read errors that… stop?

My story starts out quite simply. I have a light-duty server, running Arch Linux, which stores most of its data on a RAID-1 composed of two SATA drives. It was working without any problems for about ...
10
votes
1answer
6k views

How can I tell if a disk is failing on ESXi / what do these errors mean?

I have a server running VMware ESXi v4.1.0 348481. It has a hardware RAID10 and a SATA backup drive. I have a VM running which has it's primary boot vmdk on the RAID10 datastore, and a 600 GB vmdk on ...
7
votes
3answers
397 views

Why Do Hard Drives Fail?

I'm just quite interested in the reasons why hard drive failures occur. Some people say that it's because it was handled poorly during the shipping and transportation processes while others say that ...
6
votes
2answers
13k views

is UNC S.M.A.R.T. Error serious? need to take action?

I have a 300G Western Digital Raptor, recently showing UNC SMART, wondering anyone who has experience knows should I replace it and get warranty form WD? Details of smartctl -a as follows: smartctl ...
6
votes
2answers
10k views

ext4 filesystem corruption — maybe hardware error?

I'm getting these errors in dmesg after about half an hour after I turn on the computer: [ 1355.677957] EXT4-fs error (device sda2): htree_dirblock_to_tree: inode #1318420: (comm updatedb.mlocat) ...
6
votes
3answers
41k views

Reinserted a RAID disk. Defined as foreign. Is import or clear the correct choice?

I have re-inserted a RAID disk, on a DELL server with Windows Server 2008. The drive-status indicator was changing between a green and amber light, and the monitor gave the following message: ...
6
votes
1answer
2k views

Replace HP Smart Array E200i without losing data

I've got a Smart Array 200i which seems to have some bad slots (slot 3 and slot 5). It doesn't matter what HD I put in these slots, it keeps telling me the drive is bad. My question is two-fold: Is ...
5
votes
1answer
3k views

Does a RAID 1 really protect from HDD failure?

If using a RAID 1 and if there are any inconsistencies between both disks found, data is copied from the primary disk (most likely the one with the lower port number) to the secondary disk. 1) But ...
5
votes
2answers
1k views

ZFS Reporting (on FreeBSD and Linux via ZoL)

As a longtime mdadm user is was just experiencing a disk error and remembered that I configured a Auto Mail reporting for mdadm on disk errors. Therefore i just had to insert my Mail address inside ...
5
votes
1answer
2k views

HP Proliant ML350 G5 SAS HDD

I am getting problem in HP Proliant ML350 G5. Some few days back one of the SAS HDD failed. It was 146GB SAS 15krpm HDD. We got new one which is 146GB SAS 10k rpm HDD. Its on RAID 1(1+0) ...
4
votes
3answers
11k views

S.M.A.R.T - Predictive Failure Count

I'm monitoring my IBM ServeRAID M5015 controller for RAID status with MegaCLI, I have this on one of the disk : Enclosure Device ID: 252 Slot Number: 6 Enclosure position: 0 Device Id: 14 Sequence ...
4
votes
2answers
204 views

sda1 (?) raid failed on debian - what to do now?

ispconfig says that my server has raid problems. The server is not mine, it is rented from a hosting company. The OS installation was not my business: the hosting firm did it. cat /proc/mdstat ...
4
votes
2answers
11k views

Understanding the S.M.A.R.T. values from a Synology 1812+ device

I have a Synology 1812+ NAS with 8 3TB drives configured as RAID 5. Its running DSM 4.1. It was purchased to replace USB drives, consolidate storage and short term OS X backups using Time Machine. ...
3
votes
2answers
454 views

Age replacement policy for hard disks and SSDs at servers

I'm planing an age replacement policy for our storage and servers. Most of them are for DBs and some for images (static content) so yes, they have an huge I/O everytime. Also, we use Samsung 840 Pro ...
3
votes
1answer
2k views

HDD Health tool for CentOS? [closed]

Does anyone know some good tool for checking HDD failure in Cent OS (Red Hat Systems) without downtime. And tell me how to use it. Thanks.
3
votes
2answers
611 views

Is it safe to place write-intensive partitions on an SSD (in an SSD+HDD system)?

I'm setting up a (sort of) powerful workstation for SW development work on Linux. It's a Xeon system with multiple cores, 32GB memory, a large HDD and a 120 GB SSD (Samsung MZ7WD120HAFV a.k.a. ...
3
votes
1answer
2k views

MacBooks are destroying SSDs

I'm opening this topic to find the cause of our SSD failure rate of +50%. We work with Mac (13" Macbook Pro & 13" Macbook Air), with installations of both Mac OSX Mountain Lion and Ubuntu. 90% of ...
3
votes
1answer
100 views

Is there an automated way to report and open cases with HP for drive failure?

I want to take failed drives, send a diagnostic report to HP so I can automatically have the drives shipped to the right location. I'm considering writing C# code to automatically log in, post a case ...
3
votes
2answers
1k views

mdadm failure detected on one partition

I received this rather nice email today suggesting one of the drives in a RAID1 array has failed. A Fail event had been detected on md device /dev/md4. It could be related to component device ...
3
votes
1answer
2k views

Steady red light on 2 HP SAS drives in RAID 1

I have a HP ProLiant web server with two HP 300GB SAS SFF 2.5 inch drives (Model: HP 507127-B21). Both drives have a solid red light, however there is no indication within the management software that ...
3
votes
1answer
83 views

Taking an image of a failing boot drive

Ok, so my Ubuntu 12.10 install seems to have gone slightly sideways. It currently boots from a Compactflash card that I was planning on replacing soon, but as luck would have it it's gone down now. ...
3
votes
1answer
3k views

Smart Array P400i Physical Drive failed after being replaced

We have replaced the bad drives in a few HP systems (ProLiant DL360 G5), but they continue to show failed. The drives are part of RAID, and I think this might be why they are appearing as failed. The ...
3
votes
1answer
1k views

reliably and automatically determine connection path of physical position of HDD from /dev/sdX device file

This is kind of a FAQ, but all the answers I found so far are not suited for full automation, which is what I need. So here it goes again. In Linux: Is there a reliable way to resolve the udev ...
2
votes
1answer
33 views

Should I expect both disks in my RAID1 array to fail at about the same time?

I have an Ubuntu server with two HDD drives in a software RAID1 array. These are identical drives, and I'm assuming they're seeing the same level of read/write activity over their lifetimes (correct ...
2
votes
1answer
134 views

Replacing a Self encrypting Hard Drive in an IBM xseries server raid

I have a failed drive in a RAID 5 array in an IBM x3650, Machine Type 7945. The RAID is composed entirely of original IBM SED SAS drives, 300GB ea. Unfortunately I am the purchasing Tech, not the ...
2
votes
1answer
592 views

linux raid 1: right after replacing and syncing one drive, the other disk fails - understanding what is going on with mdstat/mdadm

We have an old RAID 1 Linux server (Ubuntu Lucid 10.04), with four partitions. A few days ago /dev/sdb failed, and today we noticed /dev/sda had pre-failure ominous SMART signs (~4000 reallocated ...
2
votes
1answer
3k views

Volume Rebuild Failure after disk replacement in HP MSA1500/MSA20

I have a historically flaky MSA1500 with 2xMSA20 enclosures attached. Recently a disk failed in one of the enclosures. The LCD display reports that interim state recovery for all volumes was ...
1
vote
1answer
400 views

Linux mdadm RAID5 data recovery with one drive failed, one drive failing

Improbably I had two drives fail in the same Raid5 array within 2 weeks of one another. Which means the array is dead. Yes yes hot spares not being lazy about replacing the failed drive I know. But ...
1
vote
2answers
543 views

How can you force linux software raid not to disable a disk for recovery?

I'm trying to recover data from a RAID5 array. 2 of my 4 disks unexpectedly failed at the same time. I am able to start the array by forcing it. mdadm --assemble --scan --force The array starts up ...
1
vote
1answer
981 views

HDD Failed in Windows Server 2008 R2

We have a windows server 2008 r2 installed dedicated server. Our provider moved our server to their new data center location recently. After this process, we cannot able to open our server. They ...
1
vote
1answer
641 views

Failing disks in RAID array - strategy suggestions required

I have a linux based software RAID 5 array. SMART has just started to send me emails complaining that one of the 5 disks has a Current Pending Sector Count of 9 and also an Offline Uncorrectable Count ...
1
vote
1answer
14k views

Raid 1 disk failure recovery on Dell Poweredge 2850 - how to repair?

Ive just spotted an amber disk error message on my 2850, E0D76 BP drive 4 fail. Drives are ULTRA 320 SCSI. Its been a while since this server was set up so I cannot be abolutely sure my memory is ...
1
vote
1answer
108 views

zfsonlinux, raidz1: two disk corruptions: How I can use dd/dd_rescue and deceive zpool?

I have zfsonlinux (Centos 7), and raidz1. And I have trouble: two disks are dying. The first disk have Raw_Read_Error_Rate failure in SMART and Reallocated_Sector_Ct error (the disk has run out of ...
1
vote
3answers
1k views

HP ProLiant disk failure, proceed or do not proceed

We have a HP proliant DL385 G7 server that’s a vmware ESXI host with a failed hard drive – the drive is a HP SAS-MDL, 7.2 K, 2TB. When we boot the server we get the attached message and we are not ...
1
vote
1answer
491 views

Recovering a RAID5 with 2 disks out of the array

I don't want to approach this in a trial-and-error manner as I know this is the best thing to do if I want to loose my data. I have a server with 4*2TB disks in RAID5 (yes I know it's not wise) on a ...
1
vote
1answer
568 views

Smartarray hpacucli command not showing individual drive status

Having a problem with the HPACUCLI cmd on linux, at boot a hp p600 card is reporting an error, but I'm unable to determine which drive it is. Instead of listing the separate drive status, I get one ...
1
vote
0answers
13 views

Does mdstat showing very different block sizes for identical drives indicate a failing drive?

One of my servers has a RAID1 array composed of two 240GB SSDs. It is managed/controlled via Linux, not via a hardware card. Recently, for no apparent reason, the array needed rebuilding. I rebooted ...
1
vote
0answers
27 views

Server throwing error on drive: status: { DRDY ERR }, error: { ABRT }, failed command: READ DMA EXT

I have a server from Red Barn that has been throwing errors accessing its local SATA flash drive. Here are some facts: I'm running Ubuntu 15.10, although two other similar Supermicro servers are as ...
1
vote
0answers
30 views

RAID5 needs drive to be added every reboot

I have a 3 disk RAID5 mdadm array total 4TB on an Ubuntu Server 14.04.3 LTS. Since a kernel panic caused by a device unrelated to the array and that has been already replaced, after every reboot the ...
1
vote
1answer
38 views

RAID 5 failure Ubutnu 12.04 not rebooting

I have Ubuntu 12.04 setup with software RAID 5. Dmesg started to show I/O errors continuously. I thought to reboot the system and lo and behold, it got stuck on GRUB ERROR Loading 21 I then used ...
1
vote
2answers
156 views

Diagnose RAID utilisation on a failed drive

I am facing a problem on a server I didn't install, the former guy isn't here anymore to explain me anything. Some processes crashed due to what seems to be a disk failure, so I searched in the logs ...
1
vote
0answers
521 views

How to change / replace a failed “system” disk on EMC Clariion CX500?

On the first DAE, the first 5 disks are considered "special" because they host the OS of the storage array. One of those 5 disks is faulty : what is the procedure to change it? By the way, what ...
1
vote
3answers
5k views

Dell Open Manage physical disk failure predicted

I've installed the Open Manage Server Administrator on my Dell T100 to monitor RAID Controller and disks. From the Physical Controller report web page I see a table listing the two disks I have but ...
0
votes
4answers
757 views

A drive is failing on Windows Server 2003. How should I back it up? How should I restore it?

My drive is failing and I have a new one ready to go. Can I just create a BKF file on a separate drive with the Backup utility, then shut down, swap in new drive for failing one, insert Windows ...
0
votes
2answers
93 views

Mirror Server IIS

We are keeping two IIS servers, each has a copy of sites.Both having DNS entries. How can I switch to immediately upon a failure. The objective is the secondary server should start running when the ...
0
votes
1answer
2k views

How to recover resize2fs failure

I was resizing my hard drive last night and was not successful. My system and drives are local on an ESXi 5.1 vm. I'm running Debian 6 x64 and have a 2TB mount that I was resizing. It was about 1.8T ...