Questions tagged [drive-failure]

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What's the normal order of messages in dmesg when a USB HDD is failing?

I have a USB hard drive attached to a Debian GNU/Linux server. I'm trying to format it (NTFS), with this command: # mkntfs -v /dev/sdd1 which takes a few hours, because it checks the disk too. While ...
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Drive failed or can be still used?

I've the following WD drive (3TB) that gave me a problem (I was unable to access any file: even an ls command on it caused a never ending wait). Here some details on the disk: Disk /dev/sda: 2.7 TiB, ...
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Disk issues: irq_stat 0x20000000, host bus error

When copying large files (50+GB) from an NVMe disk to a SATA 7200rpm HDD disk I see the following error in the logs on a fully patched Ubuntu 20.04: Aug 08 00:45:59 host kernel: ata6.00: exception ...
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1 answer
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desperate attempt to head off RAID 0 failure, can i copy a disk with dd?

A colleague has been using a 10TB RAID 0 array to edit a film. He suddenly realized it's 98% full. The array has started seriously acting up, but cooperates grudgingly if you shut down all processes ...
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1 answer
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How Can I Understand this Vendor-Specific SMART Attribute?

There are two contexts for this question, a general and a specific. Generally, how does one find the meaning for vendor-specific S.M.A.R.T. attributes? I have searched the web high and low but found ...
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1 answer
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Recover data from broken RAID 1 drive

I need to save files from a Buffalo NAS Linkstation with two physical drives that is not working anymore (2TB each, Raid 1). Error message says: The bad sectors in the hard drive may have reached a ...
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1 vote
1 answer
88 views

Resetting SMART on an SSD (hours powered on)

We've been bitten by a known issue on SanDisk SSDs (Dell or HPE branded) where they hard fail after a certain number of hours powered on - 32768 or 40000 depending on the specific model. Is there a ...
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1 vote
1 answer
521 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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-1 votes
2 answers
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HP Proliant DL180 G6 HHD failure and replacement

One of the HP HDD in our HP Proliant DL180 G6 had failed, I've replaced the failed HDD with a standard 1 TB Seagate HDD, the Array controller won't start rebuilding on a Seagate, I had the new Seagate ...
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How to identify which disk is failing in a HP ProLiant RAID controller?

I have a hard time identifying which drive is failing in my HP ProLiant DL360p Gen8. It has the following RAID controller: Smart Array P420i. I see tons of errors in dmesg: [40425140.998750] sd 0:1:0:...
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1 vote
2 answers
523 views

Recover harddrive after abruptly power cut [closed]

Following is my partition table, mercurial@providence:~$ sudo fdisk -l Disk /dev/sda: 465.78 GiB, 500107862016 bytes, 976773168 sectors Disk model: ST9500420AS Units: sectors of 1 * 512 = 512 ...
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1 answer
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How do I troubleshoot possible drive issues on ESXi 6.7?

I have a Dell Poweredge R630 with 4 drives in a RAID. I'm not sure if it's RAID 10 or RAID 5 because I didn't order or set up the server originally and I'm just the default network admin, it's not my ...
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0 votes
1 answer
3k views

Degraded volume on Synology NAS

Today my Synology NAS's OS (DSM) told me that I have a degraded volume. The advice on their site is to replace the failed drive. I've gone ahead and bought the same drive model and capacity, and it ...
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2 votes
1 answer
333 views

MEGARAID RAID 1 SSD WITH HOT SPARE AVAILABLE

I do not know whether this requires immediate action or not. W2012R2 server with two 500GB SSDs plus one identical Hot Global Spare. RAID is Megaraid. Screenshots from the RAID Utility are attached ...
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6 votes
2 answers
2k views

HP P840 HDD RAID 5 many strange drive failures

I've been using a RAID5 HDD storage (8x6TB) at my HP P840 for like 2 years now and it has always had unusually many drive failures. Everything was good for half a year, but now drives are failing in a ...
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0 answers
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MegaRAID SAS Phy is bad on enclosure, no SAS address

I've inherited a MegaRAID SAS 24 bay RAID, that is also attached to two additional enclosures ( one 24 bay, and one 12 bay). I attempted to load 6 new drives into 6 consecutive empty drive bays on ...
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3 votes
2 answers
97 views

RAID: Comparision of load on disks while expanding disk space or upgrading RAID level

I have an Areca ARC-1880IX-24 RAID Controller (FW 1.51) with several different Seagate 3TB disks (SAS and SATA, and of different age) attached to it to form a RAID5. When I tried to expand it by two ...
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1 vote
1 answer
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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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1 vote
1 answer
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HP server with failed disk in hardware RAID 5, how to replace (have same-spec disk)?

My system Admin suddenly took an emergency leave and I am not so good in system administration. Seeking your help. I have a HP server running VMware. The server contain Hardware Raid 5 with three SAS ...
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3 votes
0 answers
175 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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2 votes
2 answers
626 views

ZFS replace disks in freebsd, how and when

I have the following zpool configuration: zpool status NAME STATE READ WRITE CKSUM data ONLINE 0 0 0 raidz2-0 ONLINE 0 0 0 da1 ...
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1 vote
0 answers
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Removing failed Raid0 volume from CentOSv6 boot sequence

I need help. To date the majority of my Linux 'software RAID' use has been done via the Graphical Installer. Now, one of the drives comprising my RAID-0 volume has failed and at boot, the system ...
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1 vote
1 answer
6k views

Is there any way to mount an EXT4 file system with errors?

I may have been somewhat foolish, but kept putting off the warning signs about the impending failure of my EXT4-on-LVM Ubuntu machine (like the partition remounting itself R/O, SMART errors, etc.) and ...
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1 vote
2 answers
423 views

Repeated disk failure on Dell T610 Server

I purchased a used Poweredge T610 and upgraded it to 2x Hexcore Xeon X5675 processors and 96 GB RAM. Initially, I used 3 WD green 2TB drives in a RAID-5 array (Perc6i controller) and installed Ubuntu ...
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2 votes
1 answer
73 views

Do more mirrors in raid 1 reduce the likelihood of spit-brain failures?

I'm setting up a server, and my predecessor had a habit of setting up multiple RAID 1s with only 2 disks, which eventually resulted in split-brain situations which were difficult to recover from. ...
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7 votes
2 answers
5k views

What does it mean, if all LEDs of an LTO-6 drive are flashing? [closed]

All LEDs of an half height LTO-6 drive are flashing with ~ 4 Hz. An LTO-5 tape is still inside, the drive does not react on commands, the flashing continues after a power cycle. I could not find the ...
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2 votes
0 answers
3k 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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0 votes
1 answer
936 views

What will happen if encountered a URE?

About hdd URE, I knew these points: For some reasons, when harddisk reading a sector that the FEC(Foward Error Correction data) could not correct the errors on that sector, we encontered an URE. The ...
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1 vote
0 answers
515 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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2 votes
3 answers
458 views

Which is the worst-case scenario: dying HDD or SSD?

We all know SSD offer many advantages (such as speed) over HDD drives but which one is safer when it comes to data rescue if, for instance, the drive is failing? From my understandings on SSD drive ...
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1 vote
0 answers
324 views

Can ESXi pause VMs on a datastore in APD state?

I know that using VMCP on VMware ESXi, it's possible to make the ESXi host shut down or restart a virtual machine when a datastore that the VM resides on goes into All Paths Down (APD) state. I'm ...
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3 votes
0 answers
803 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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0 votes
1 answer
139 views

RAID DP brain teaser [closed]

Someone knows what happens if the parity disk fails simultaneously with a data disk? It is supposed to handle double disk failure but since one parity disk fails it seems impossible. Does anybody have ...
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-6 votes
1 answer
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Dell Poweredge 2900 - Raid 10 - 7 Disks - 3 failed - Am i screwed? [closed]

Just want to know how screwed I am, I have Dell Poweredge 2900 running Raid 10 - 7 disks and 3 have failed. Edit: I'm blind. There are a total of 8 disks and from I can see 3 have failed. Here ...
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2 votes
1 answer
2k views

How to scan an entire empty ZFS raid-z array for bad sectors (blocks)?

Is there a method for scanning all of the devices in a raid-z array for bad sectors (blocks) simultaneously or must this be performed on a device-by-device basis with a separate drive testing ...
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1 vote
1 answer
971 views

How to identify which disk failed on RAID 10?

RAID 10 set up from 16 SATA (4TB) disks. How to identify from pictures which disk is failed? Here is my screenshots: The output of lcpci: 00:00.0 Host bridge: Intel Corporation Xeon E7 v2/Xeon E5 ...
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-2 votes
1 answer
229 views

Adjusting spare sectors on SATA drive? [closed]

As far as I know, hard drives usually have a number of spare sectors to which data is remapped/reallocated from faulty sectors. Is it possible to increase the number of these spare sectors (at the ...
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0 votes
1 answer
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Dell r510 esxi raid 10 disk failure: lost config

I had a server go offline yesterday complaining of disk failure. I re-seated the disks in the set and all of the light went green. I rebooted the machine only to find that now it won't boot into esxi. ...
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2 votes
1 answer
781 views

Linux software RAID becomes unresponsive after removing a disk from server

I am running a CentOS 7 machine (standard kernel: 3.10.0-327.36.3.el7.x86_64) with a software RAID-10 over 16x 1 TB SSDs (to be more precise, there are two RAID arrays on the disks; one of the arrays ...
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3 votes
2 answers
1k 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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3 votes
1 answer
106 views

Isolate a failed SSD drive

I have recently had a Samsung 840 Pro 256 GB SSD fail on our server. The drive was configured in a RAID 1 array and a reboot was sufficient to bring things back online. When looking at the Intel ...
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0 votes
1 answer
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Possible disk failure. Should I be worried?

I think our HDD is failing. Before I dump all the relevant logs: don't worry, everything is backed up daily, HDD can be replaced. I just need to confirm my suspicions. HDD is in raid so there is ...
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18 votes
4 answers
21k views

what is exactly an URE?

I have been looking into RAID5 Vs RAID6 lately and I keep seeing that RAID5 is not secure enough anymore because of the URE ratings and increasing size of the drives. Basically, most of the content I ...
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0 votes
1 answer
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HP Proliant DL380 G6 - Recover after 2nd disk failure during RAID 1 rebuild

** Disclaimer, I just recently became an administrator to this system and realized that the backups are unusable. As well, the state of administration software is terrible ** The system (Ubuntu 14.04)...
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6 votes
1 answer
2k views

Dealing with CONFIG FAILURE on fresh drive (3ware / LSI RAID)

This is not about DRIVE failure. It's about drive CONFIG failure. I bought 3 brand new drives for my server, because existing ones have worked for over 4 years and one of them is failing (shows ECC ...
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1 vote
1 answer
906 views

RAID 10 - 2 Disk Failure, how to know which drives are mirrored and if data is safe?

The server is currently experiencing a 2 disk failure and was looking for a way to know if my data is lost or not. I tried searching everyone but I didn't find an answer (I'm sorry - new to this). I ...
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-3 votes
1 answer
47 views

Has my RAID drive failed?

I checked the output of my server today and it said: root@s01 [~]# mdadm --detail /dev/md1 /dev/md1: Version : 1.1 Creation Time : Sat Jul 7 18:23:24 2012 Raid Level : raid1 ...
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-1 votes
1 answer
673 views

What incident may happen that stops a VM on Azure? [closed]

We were hosting a Website and a CMS at an external supplier. They told us that they host everything on Microsoft Azure. Yesterday I saw that my website was down and contacted them. Later that day they ...
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0 votes
2 answers
46 views

Are there any risks I'm not considering for when a swap partition fails?

I'm planning to setup 4 drives in a raid10 configuration, but putting separate swap partitions on each (no raid), and letting the kernel do something similar to raid0. When/if one of the drive fails ...
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1 vote
0 answers
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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 ...
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