Questions tagged [hard-drive]

Questions about hard disks' performance, issues, tips, and software.

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Bunch of SAS disk and want to wipe all of them

I have 40 SAS disk. Those model number is HUS156060VLS600. 600 GB 15K 3.5 inch SAS disk. It came from a customer. And customer wants wipe all data inside of SAS disks. Customer said disks was spinning ...
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35 views

where is my hdd space

I am new to linux and installed Centos with default configuration without applying any custom settings, while I have 512 GB SSD drive but on gnome it shows only 75 gb, when I tried to run fdisk ...
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How do I find the detailed Event Data for my Disk Diagnostics? [closed]

I have looked around this forum in order to learn about SMART prediction and found a thread where many of the experts explained how most of us consumers don't know where to find the event logs and ...
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Synology does not recognize the WD Red Drive in the Storage Manager

I'm trying to upgrade my storage on my NAS. I have purchased two 4TB WD Red Plus for the DS920+. I've inserted the first drive which worked perfect and has been recognized by the Storage Manager. Then,...
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1answer
58 views

Email alerts about RAID hard disk errors from HPE ProLiant server with iLO

I am looking for a way to get email alerts about possible RAID hard disk failures from the HPE ProLiant server running the free version of ESXi. Has anyone used iLO successfully for this with the ...
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33 views

Single-disk array full: how to add a spare disk without losing data?

So I rent this server from Hetzner and it was labeled as 2x512gb nvme ssd. Indeed, the server contains two 512 gb nvme ssd but (my fault) I noticed only later that they were in some sort of software ...
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1answer
41 views

Unlock SATA SSD locked with Dell's HDD password option in BIOS

Latest problem is a locked SATA disk. It is a Samsung 870 QVO SSD. It has been locked a long time ago with the Dell BIOS password utility. But because an admin password was set, the system never ...
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38 views

Disk Array Presents Ghost Drives to OS Given Proper SAS?

I've recently acquired a disk array that has the strange property of not appearing properly to the operating system (Linux). The drives in it are 300G each, but appear to the OS as 256K instead (using ...
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24 views

Hard resetting link, limiting SATA link speed to 1.5 Gbps from non-existent disk

Good morning! Can anyone help me with a strange problem that I have in my Debian 8.8 Jessie server? I'm having these messages in my syslog: [lun may 24 10:23:09 2021] ata9: limiting SATA link speed to ...
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1answer
118 views

HUH721010AL5200 drives with different number of sectors (WD vs Dell)

I ordered some spare hard drives to replace a failed hard drive in my zfs pool (raidz2 with 12 10TB hard drives on a supermicro server running Ubuntu). I made sure to order hard drives with the exact ...
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1answer
55 views

Simulate some process IO with fio or other tool

Is there any way to track a specific process and get stats for disk IO such as queue depth, total reading/writing threads, percent of reads/writes and so on? The main goal is to use all that ...
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2answers
77 views

On a Proliant DL380 G7, how can I identify which drive in the RAID is making a clicking sound?

I have 8 drives in the Proliant G7, and when under disk load there is a clicking sound from one of them. There are NO SMART ERROR MESSAGES. It is running ESXi, which shows warnings about i/o latency ...
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22 views

No disk detected HP DL380p GEN 8

I just bought a dl380p gen 8 server but I dont see any physical disk. I tested 2 disks : - SATA 1TB Seagate - SATA 500GB WD I have a P420I controller but I don't know how to configure it. Do I ...
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1answer
54 views

Backup drive spindown : is it harmfull? [closed]

I plan on doing a small, Raspberry PI4 based backup server for my house using USB external drives. My plan is to have each PC (4 of them) backing up to the server automatically every month. The rest ...
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2answers
58 views

Extending disk space after replacing the disks with new / larger ones

We have a Fujitsu Primergy TX100 S3P with Microsoft Windows Server 2012 Essentials. We had 500 GB disks on this server, we decided to replace them with 4TB disks. We made a copy of the system to a ...
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1answer
28 views

Does this SMART result indicate brand new drive? [closed]

Bought a Seagate Exos 7e drive from an OEM reseller (no Seagate warranty). Are these SMART results valid for a drive that is supposed to be brand new?
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1answer
491 views

c:\windows\installer contains hundreds of .msi with same date and time using most of my space

My Windows Server 2019 is out of space and after researching I found out that the c:\windows\installer folder is using over 200GB, that's not normal because all other files are only around 24GB. what'...
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directory listing hangs after directory was flooded with > 5 million files

A misconfigured logrotate produced a lot of files in a directory on my server. ls | wc -l showed 5,387,172 files and according to du -sh this summed up to about 8 GB. dmesg showed many errors like ...
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11 views

Interpreting /proc/diskstats - IO time magnitude higher than sum of read and write times

This question is an extension of the existing: Interpreting read, write and total IO time in /proc/diskstats Original documentation of the diskstats I found: https://www.kernel.org/doc/html/latest/...
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Identify HDD failure by sound + Is it safe to run smartctl on a mounted RAID1?

Basically, I have two WD HDDs in a programmatic RAID1 (no special hardware): $ lsscsi --verbose [0:0:0:0] disk ATA WDC WD10EFRX-68F 0A82 /dev/sda dir: /sys/bus/scsi/devices/0:0:0:0 [/...
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77 views

Fresh Ubuntu 20.04 install no disk space on / and unable to extend

I have fresh Ubuntu 20.04 with 50GB disk size installed using defaults. Now I don't have any space left on /dev/mapper/ubuntu--vg-ubuntu--lv. df -h Filesystem Size Used Avail ...
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23 views

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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99 views

Windows Disk Event 11: 'The driver detected a controller error on \Device\Harddisk1\DR1.' for all offline Cluster Storage Disks

I'm using several Windows Server 2019 Clusters (e. g. Hyper-V, File Server). On all machines that have clustered roles, I get the following errors (with different harddisk numbers): Log Name: System ...
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1answer
18 views

Is my double disk failure stochastic or indicates a systemic issue?

I'm running a home server on an aging N54L Proliant Microserver. 6 months ago, it had the following disks: sda SanDisk_SDSSDP064G (64G SSD) (boot) sdb WDC_WD30EZRX (WDC Green 3TB HDD) (RAID-1) sdc ...
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63 views

Openstack: VM disk I/O Tunning

In OpenStack, I am facing I/O performance issues. I am using virtio-scsi driver support in the quest. Currently, I am getting below mentioned performance. WRITE: bw=37.2MiB/s (39.1MB/s), 37.2MiB/s-37....
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2answers
137 views

Relatively new WD Red Pro yielding ATA status: 41 (DRDY ERR), error: 40 (UNC ) on FreeBSD 12.2

I am running a TrueNAS server based on FreeBSD 12.2. I migrated the storage to 10 TB WD Red Pro. They're running for 42 days now. Out of the sudden, during a ZFS scrub, one of the disks yielded 5 ...
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2answers
33 views

Connecting SCA-2 Ultra320 disk to some controller using some cable

This is "blast from the past" type question. I need to make a backup of data stored on SCSI disk used in a large industrial machine. That machine takes SCSI Ultra320 drives like Cheetah 10K....
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2answers
113 views

Windows Disk Cluster for Hyper-V Failover Cluster

Looking for design assistance. Typically, I use a 2 node SAN disk cluster running CentOS and DRBD for high availability. I will then connect the hypervisor(s) via iSCSI; sometimes KVM/QEMU, sometimes ...
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1answer
50 views

After resizing Azure Linux VM, data in the attached datadisk is lost. Why?

Here is the general information : I created and attached standard SSD datadisk on the creation of the ubuntu VM. Aplication files were on the datadisk. I mounted datadisk following this tutorial ...
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1answer
24 views

Partition of mdadm raid0 array passed through to win10 20H2 via virto driver is suddenly lost. How can I figure out why?

I have checked the logs. System has been working for a month then suddenly they could not see the drive on network. It is a linux file server with a virtual windows on top of it ... Virtual windows ...
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1answer
69 views

Clone disk with multiple partitions using dd

I have used dd before to clone hard drive's but I'm now attempting to clone an entire hard drive consisting of 3 partitions to another drive. My partitions are named nvme0n1p1 to 3, I tried leaving ...
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124 views

Poor proxmox pveperf performance on a mdadm raid 1

When running pveperf on a Debian + Proxmox PowerEdge R540 server that uses two hard drive in a raid 1 configuration (using mdadm), I get very low performances in the number of FSYNCS/SECOND: $ sudo ...
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1answer
131 views

Failed to Partition a 10TB HD?

Before I tried to partition a 10TB HDD again, parted saw it: # parted /dev/sdb (parted) print list Model: ATA ST10000NM0016-1T (scsi) Disk /dev/...
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169 views

ssh connection refused for Google Cloud Platform instance

I am trying to connect to my Google Cloud VM instance through SSH. I didn't have any problem before I mounted a new 500GB zonal persistent disk and even then I was able to ssh and format the disk and ...
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20 views

Find errors on HDD, RAID, SSD, NVME with one program

Is there a software that can automatically find errors and failed disks, on any of these types of storage: mechanical HDD flash-storage like USB-sticks or SD-cards RAID SSD NVME I'm working with a ...
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30 views

S.M.A.R.T spin retry count

Monitoring the spin retry count of a 2-months-old HDD I don't fully trust (noise), I wonder: If "current" is 134, why is "worst" indicated as 100 and "threshold" as 30? ...
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1answer
67 views

About IOPS of a RAID5 disk array without cache

we are using a 530-8i RAID adapter,which is none-cache supported, on a Lenovo ThinkSystem SR590 server.And we have 4 HDD(600GB/10K RPM/SAS) in the array. I read an article about calculating the disk/...
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2answers
124 views

Trying to erase disk content by filling all bits with “1”, not “0”

I have 2 old 160GB WD drives that do not have "Security-Delete" option when querying with hdparm. I understand the current acceptance of the mechanism overwriting entire disks with zeros. ...
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2answers
91 views

How can I block bad sectors of HDD forever? [closed]

How can I specifically determine and block bad sectors that is likely to fail in the future? Can anyone suggest a 3rd party freeware? I was using a freeware called Victoria. Does it help? And there ...
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2answers
131 views

how to extend SAN storage in CentOS 7

I have a server with CentOS 7 using LUN for storing data. Recently Storage team has extended the LUN space. This is the output of multipath -ll ~ # multipath -ll ...
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1answer
35 views

where is the disk capacity stored?

In short, if I do dd disk-to-disk (e.g. /dev/sda to /dev/sdb), is the capacity of the whole disk also copied? For example, if sda is actually 1TB and sdb 2TB, after the dd, which would a Linux system ...
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1answer
160 views

linux + disk apears from lsblk but blkid not give the UUID

we have rhel 7.6 server with sdb and sdc and sdd disks the machine is physical machines with disk of 1.7T each of them we notice the sdd disk displayed from lsblk as lsblk | grep data sda ...
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87 views

Raw LVM disk write is four times faster on host than inside KVM guest?

I've got a Debian 10.6 Host, with a Debian 10.6 guest. KVM/Qemu/libvirt. The host has a software RAID 10 array with 6 mechanical disks. LVM is on top of the RAID array. One LV is passed into the guest ...
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0answers
51 views

Access disk io data in linux without tools like iotop/iostat to find processes or files with IO

We have regularly high load average. With the help of a zabbix agent, I could narrow it down to be mainly because of cpu iowait (and lastly disk io). I am not allowed to install any additional ...
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1answer
36 views

How to securely erase damaged hard drive

I have a few hard drives with bad sectors and I want to securely erase all the data from there before I throw the drives away. It's pretty easy even in Windows to format a regular harddrive, and I can ...
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1answer
30 views

Disconnected disks-Access denied, showing in explorer, but not showing in DISKPART and unable to remove them

I have Virtual machine (terminal WIN2012), which seems to have under some users connected some OLD and NO longer connected disks (local or network drives), which are not accessible for anybody (even ...
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1answer
24 views

highpoint rr62x RAID 5 status disable, recover saying parameter error

I have been using a Highpoint rr62x controller(BIOS version 1.3) for about a decade now. The RAID-5 volume is containing 4 disks-each 3TB. For the last five years my RAID has been disabled. I have ...
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28 views

Disk will not mount to specific directory Ubuntu 20.04

I am running Ubuntu 20.04. I have a hard drive I'm trying to mount at /storage. I've created an fstab entry but nothing happens when I do mount -a. However, if I change fstab to mount at /test instead ...
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1answer
268 views

mkfs.ext4 error with option -O ^64bit

When I run /sbin/mkfs.ext4 -O ^64bit /dev/app/mysqldata command in a script it gives me below error: nd(): null: With return code "1", Output from: "/sbin/mkfs.ext4 -O ^64bit /dev/app/...
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25 views

High %wa from top command while runing PyTorch

Everything was fine yesterday, but I noticed high dataloading time this morning. How do I go about trying to figure out how to fix this? top: process state: iotop: iostat:

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