Questions tagged [hard-drive]

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

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52 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
51 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
27 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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485 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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9 views

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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2answers
37 views

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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We have 52 disk added in the VM. Now we need te space of 500GB for specific disk of 7No's. Help in identify disk name to increase the space in vcenter

output of lsscsi -s : [1:0:12:0] disk VMware Virtual disk 2.0 /dev/sds 257GB [2:0:2:0] disk VMware Virtual disk 2.0 /dev/sdy 257GB [2:0:9:0] disk VMware ...
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1answer
38 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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1answer
16 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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16 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
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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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0answers
34 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
82 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
30 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
106 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
44 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
18 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
54 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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67 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
104 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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87 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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18 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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25 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? ...
2
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1answer
54 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
123 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
49 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 ...
2
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2answers
64 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
34 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
90 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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1answer
64 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 ...
2
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0answers
43 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
33 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
29 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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0answers
13 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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26 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 ...
3
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1answer
207 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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0answers
24 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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1answer
65 views

Format for second drive in Linux Server and path to directory in second drive for PHP

I'm working for an office in primary education and I'm setting up a local server with Ubuntu Server 20.04. I have some web applications written in PHP for this server. I am relatively new to Linux and ...
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1answer
26 views

How to Clone The Metadata of A Disk to Another

TL;DR: Is there a way to clone a disk's metadata to another disk? I'm trying to copy all the data (including metadata) of a 4TiB disk to another 2TiB disk. I've verified that the 4TiB disk contains ...
6
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1answer
1k views

How do I disable hard disk spin down or head parking in FreeBSD?

I have built a new FreeBSD file server with multiple HDDs. I found whenever the disks are not accessed for a while, the disks would spin down completely or park its head. How do I disable HDD spin ...
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95 views

preventing big HDD's to spinup by using (small) SSD's as cache

I want to build a NAS that is as quiet, efficient and cool as possible. In this scenario, I have the following parts: -4 SATA connections to the motherboard. -2 Hard drives, one is 1TB, the other is ...
3
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2answers
142 views

Getting a RAID controller to surface scan on a sane schedule

The controller I'm presently working with is quite old, the HP Smart Array P400; in part I want to know how to deal with that controller, but I'm also interested in the general perspective -- if there ...
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0answers
21 views

Disk Partition Managment

my server (Centos with Plesk) is running out of disk space. Width cfdisk I've noticed there's a partition with free space Can I maximize the space in partition sda1 to this free space? if so, how do ...
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0answers
25 views

dmesg flooded with “ataXX.00: failed to IDENTIFY” for mystery drive

My dmesg is flooded with the following every ~second (note, the following repeat forever; but the exact sequence appears to vary): ata15.00: failed to IDENTIFY (I/O error, err_mask=0x100) ata15: ...
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0answers
12 views

jbd2/m2-d8 disk utilization over 90% on ubuntu

I have a server that always is on high disk (SSD) utilization, I suspect the MS SQL server is writing high amount of data, is there any setting to reduce the frequency of disk writing on SQL Server? ...
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0answers
32 views

How to recover data from dead server

Good day. Our server HP Proliant ML350 Gen9 is dead due to defective mothetboard. Company wants to send us new Dell server configured for our workstations instead of sending spare parts for old server....
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1answer
24 views

Are two different hard drives the exact same size if they claim to have the same one (i.e. 1TB)?

The concrete problem: I want to create a exact copy of a 4TB logical volume. (By exact I mean the RAID controller will create a copy.) Can I do this by simply using any old 4TB drive? The more ...
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144 views

Newly Created VirtualBox VDI ext4 Occupying 24GB Actual Space?

I created a new dynamic vdi disk. Then, from within the guest, I used fdisk to mkfs.ext4. I then shut down the guest and saw this in my vbox: The only thing I saved to the disk so far (Before ...
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0answers
10 views

Alternative Proliant DL180 Gen10 Drive Caddy Tray - Can I use Gen9 trays?

Does anyone have experience using Proliant DL180 gen9 drive trays in a gen10 server? Tray I'm looking to possibly purchase: https://www.newegg.com/p/1B0-00T6-00001?Description=hp%20drive%203.5%20tray&...

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