Questions tagged [hard-drive]
Questions about hard disks' performance, issues, tips, and software.
2,462
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How can a folder size be greater than the actual disk capacity on Ubuntu?
So, a little background:
I have a 2TB hard disk that serves as a backup for files (ext4 formated)
The disk was reporting +90% used space, so I bought a 4TB disk
Formated the 4TB to LVM with ext4
My ...
- 1,066
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58
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Ansible playbook to format and mount unused disks
I am trying to setup a disk on Linux with Ansible. I am fairly new to ansible.
I have managed to get a list of all unused disks (though it will probably consist of just one) but I am having issues to ...
- 31
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1
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84
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Upgrade HDD to SSD - RAID 1
I will upgrade a RAID 1 with 2 HDDs to a RAID 1 with 2 SSDs on a Dell T420 server (PERC H310).
But first I'd like to make some tests with a new OS installation on this new RAID 1 with SSDs.
Can I take ...
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43
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Can a faulty cable (or other issue) cause SMART errors with a perfectly good drive?
On a lot of my drives I get WRITE|READ FPDMA QUEUED errors, like so:
Error 23 occurred at disk power-on lifetime: 43915 hours (1829 days + 19 hours)
When the command that caused the error occurred, ...
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28
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I gave a 2.2 TB hard disk but only 100GB (sda->sda3->ubuntu--vg-ubuntu--lv) mounted in / [duplicate]
I have ubuntu 22.04 server on my vm in esxi and iam new for this
The size of my current directory(/home/<username>) after login is only 100GB
df -h .
Filesystem Size ...
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0
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54
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dmesg spamming "Power-on or device reset occurred"
So I have a DELL R730xd Server with 24 SSDs on a PERC H730P Mini controller in HBA mode. All 24 drives are in one big ZFS Raid-Z2 pool.
I have noticed that dmesg gets spammed with a lot of these ...
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3
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51
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How to recover if a disk with OS on dedicated server fails?
Dedicated server on a private cloud that consists of four disks.
One of the disks contains the operating system (OS). If the disk fails, the server will not start, and we cannot extract data from the ...
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2
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261
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How do data centers deal with constant disk failure?
According to disk reliability report on 2022
https://www.techspot.com/news/97909-ssd-reliability-only-slightly-better-than-hdd-backblaze.html
SSD hard drives have a annualized failure rate of 0.98% , ...
- 101
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54
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vmstat + on RHEL machine high values of swpd
The swpd field indicates how much swap space has been used; this value increases when the systems physical memory is full and the Linux kernel starts to use the swap partition/file. When the systems ...
- 617
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119
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Shrink/Reduce disk size on a Linux RAID 1 server
i am looking for a way to clone my HDD to SSD without loosing data or the Linux system itself. The problem is the size of current HDD is 1TB and the SSD we got have 480GB, so i can't clone directly ...
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527
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RHEL + how to prevent OS disk - sda to change after reboot
We installed RHEL 7.9 version on physical machine., when sda device was the OS.
The machine has the following disks.
sda - OS disk
sdb - data disk
sdc - data disk
After reboot OS disk device changed ...
- 617
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0
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93
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Apache Kafka Kraft best practices and what is the preferred disk storage for the meta-data topic
My question concerns the recommended disk storage for the topic __cluster_metadata-0 under controllers in Kraft mode.
we have two options:
Locate the topic __cluster_metadata-0 , on OS volume as /...
- 617
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159
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Debian 11 fails to update grub configuration
I have the following error when I run an update script with ansible:
Generating grub configuration file ...", "Found linux image:
/boot/vmlinuz-5.10.0-26-amd64", "Found initrd ...
- 31
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1
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202
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Error 20580 occurred at disk power-on lifetime
I just put new discs to my server and I want to create raid but during initial rebuild (raid 5) I get disc failure. After that I have problem to check SMART parameter of that disc. After reboot I get ...
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97
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MSSQL database slow when move database on other disk
MSSQL Developer Edition, with many database online for test purposes.
To better handle disk space, I moved some databases to another disk. Moved databases perform slower than the original location (...
- 169
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34
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Reasons for high disk time but minimal IOPS
Can anyone possibly suggest scenarios on a large database system where system stats show a rapidly increasing disk time stats, but next to no actual disk IO? When working with lots of large files, ...
- 254
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3
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Can I make md (Linux software RAID) more fault tolerant?
I have a particular hard drive in a RAID 1 mirror that gets failed out under heavy load, typically, when I run a full backup.
There is nothing wrong with the drive. Ok, it is getting one error when ...
- 4,656
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84
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kafka + what is the meaning of Log directory is offline
our Kafka production cluster include 23 broker machines , and each broker include 35 JBOD disks
broker version is - apache 2.7 version , and cluster include 5 zookeeper servers
from /var/log/kafka/...
- 617
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1
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44
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Curious? LVM on a brand new drive?
i wanted to replace a broken zfs-drive on my server and got a "sealed" drive from my storage for that usage, but when i first checked the drive it shows me that there is a LVM on it.
My ...
- 181
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81
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Data restoration of a RAID1 drive from a QNAP NAS
I have a dead QNAP HS-251 NAS enclosure, using two disks in RAID1. The enclosure is dead, but the drives seem fine. I would like to recover the data on it. .
Of course, I have no backup... Stupidly,I ...
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297
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/dev/sda Currently unreadable (pending) sectors alert but smartclt shows everything as 0
I already read the similar questions but mine seems to tell a different story or the answers there don't work for me.
SMART error (CurrentPendingSector) detected on host
Device: /dev/sda [SAT], 1 ...
- 287
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2
answers
53
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What is a good choise for heavily used data storage
We are a small business that analyze lots of biological data, writing and reading something in range from 500Gb to 1.5Tb now to produce final results that are much smaller. I personally am a data ...
- 145
1
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0
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122
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Different size of disk in disk management and my computer, after extend in Hyper-V
I have a problem after live extend disk from Hyper-V on running machine.
I normally increase the disk size from Hyper-V (300GB->1.3TB), then on system using disk management for extend.
In this case,...
- 27
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1
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46
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HPE ProLiant DL380 Gen10 server RHEL8
I have two physical servers host RHEL8 lets name them (server1, server2).
Server1 has 4 physical disks configured on RAID1. The size of disk1 and disk2 together equal 800GB, and disk3 and disk4 equal ...
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answers
129
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kafka kraft configuration + dedicated controllers machines
We are preparing Huge Kafka Kraft cluster
Installation is on 35 physical Linux machines and 3 dedicated controllers on 3 VM Linux machines
each broker machine include:
512G RAM memory
64 CORE's
...
- 617
0
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0
answers
379
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Converting partition from basic to dynamic in Windows Server 2022 gives security error
The server has 2 1 TB SSD drives, meant to be in RAID1 on the OS level, using Windows Disk Management, or Diskpart.
We have over one hundred of servers with this configuration which were installed ...
- 1
5
votes
2
answers
964
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Data corruption when disk write caching is enabled
I've recently learned that enabling disk write caching can significantly improve system performance. However, I'm concerned about the potential risks of data corruption or loss in case of a sudden ...
1
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0
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180
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MYSQL use too much disk (read / write)
I have big problem with my server. I am using Ubuntu linux version 22.04. The problem is in the write / read disk (light for the disk is all the time ON) when I have turn on apache (PHP) and MYSQL. ...
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1
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0
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209
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Hyper-V: partitions in external drives appear in fdisk but not lsblk
I have an Ubuntu VM hosted in HyperV server and a pair of usb enclosures (one SSD, one spinning metal) successfully passed through as SCSI hard drives in my Linux VM.
Issue: whenever booting the VM, ...
- 11
0
votes
1
answer
45
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SAS channel speed and multiple disk setup
I have the following setup and looking for recommendations on the 2 connection options:
1x SAS Controller in HBA mode with 2x SAS Ports
2 SAS cables with 4 SAS connectors each
4x HDs with 6GB/s SAS ...
- 101
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0
answers
98
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arch linux laptop not recognizing partitions or filesystems on internal windows SDA drive
I bought a laptop with windows 11 and installed arch linux on it. The laptop has 3 internal 500GB SSDs. Two of them are in a RAID configuration to make a single 1TB partition which Windows came ...
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1
answer
151
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DIsk Performance Counters not available remotely
The Physical Disk performance counters of a Windows Server 2016 are present and available locally, but not remotely. I've tried many suggestions out there such as checking registry, lodctr /r and ...
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0
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179
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Supermicro server - Replacing faulty disks in a Raid-50
I have a Supermicro server model: X9DR3-F. The server acts as a ESXi host with a Windows 2012R2 server on top of it all.
The server has 22 disks in a RAID-50, with disk 22 being the hot spare.
I have ...
3
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1
answer
358
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Adding a disk to an existing RAID fails with "disk doesn't have enough capacity"
I have a very old physical server using many disks in a number of RAID6 group. Those disks are not in the same chassis, instead is a JBOD system connected through the RAID controller on this server. ...
- 131
1
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2
answers
237
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Prefetched Small File Cache
First, my use case: On my Linux-based server I am getting unsatisfactory disk IO performance for small files, and am limited to the approximately 100 IOPS that a 7200rpm HDD will support. This is of ...
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0
answers
128
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Why isn't my zpool listed for export when plugged into new host?
I have a zpool called 'temp' with some data I'm trying to move between systems. I used zpool export temp to export the zpool, then I unplugged the disks, and installed them in my new computer. But now ...
- 333
3
votes
0
answers
406
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zfs pool with slow speed on SAS drive with high latency
We have 3 servers in a gluster pool.
Each computer's spec is (Advance STOR-2 Gen 2 at OVH):
AMD Ryzen 7 Pro 3700 - 8c/16t - 3.6 GHz/4.4 GHz
6 x 14 TB disk (WD DC HC 530, using CMR technologies) ...
- 41
0
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0
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732
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RHEL 9 server with cloned disk unable to find logical volume after boot
We have an RHEL 9 server. We cloned it's disk drive to a new disk. (dd if=/dev/olddrive of=/dev/newdrive bs=4096)
It has a couple LVM partitions (as shown on /etc/fstab on the cloned disk):
However ...
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0
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11
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How can I use the rwx access mode of PV and PVC in pods of GKS clusters?
It seems that I can not use the rwx mode of PV and PVC in GKS autopilot cluster, it reports the error when I create more than one pod as following: Should I use 1T filestore or NFS insead? thank
enter ...
0
votes
1
answer
101
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dd: failed to open ‘/disk1/boot1.img’: Structure needs cleaning
Executing this Command :
dd if=/dev/sda1 of=/disk1/boot1.img
I got this Error :
dd: failed to open ‘/disk1/boot1.img’: Structure needs cleaning
I tried that Command on my centos machine and got that ...
- 124
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0
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65
views
when does Nginx have unexpected write on disk?
I use Nginx to cache static files. the main problem is sudden changes on write on the disk.
nginx.conf:
http {
proxy_cache_path /cache-data levels=2:2:2 keys_zone=images_cache:60000m inactive=2d ...
- 101
1
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1
answer
55
views
RHEL + how to capture fresh kernel message without machine reboot
here is example from dmesg output from important production server ( RHEL 7.2 - DELL machine HW )
as we can see the sde disk in server is dying
[Wed Jun 30 11:24:58 2021] sd 0:2:4:0: [sde] tag#0 ...
- 617
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1
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59
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Simplest way to tell if two logical drives on the same device?
What is the simplest way to determine whether 2 logical drives are on the same device?
I have access to remote into the server, but the hosting company isn't reasonably accessible for me to ask the ...
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2
answers
40
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I need an adaptor to read my old laptop harddisk [closed]
I want to find an adaptor that will allow me to read my old Laptop harddrive. Can someone help me find the right adaptor for this?
1
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1
answer
61
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Expand C drive during bare metal restore Server 2016
The C drive on our server is getting full. It's at 90% capacity and I don't have any unallocated space next to it. I was thinking of swapping out the 500 Gb hard drive for a 1 Tb hard drive. I plan to ...
- 115
1
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0
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92
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Haproxy 2 domain ssl crt conflit
Haproxy load balancer - I configured 2 different domain SSL certificates and get a conflict. For example I have two domains api.xxx.com and api.yyy.com. If try to get api.xxx.com its showing yyy cert ...
- 11
0
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1
answer
546
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OSError: [Errno 30] Read-only file system: <relative_path_to_file>
(On Ubuntu 22.04 LTS)
When trying to create or edit any file or directory on my hard drive I get a 'Read-only file system'-error (two days ago I could still do that):
$ whoami
mattia
$ mkdir example
...
- 1
0
votes
1
answer
67
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Penguin server won't boot after swapping failed hard drive in RAID 6
So I have a Penguin Relion 1900 1U rack mounted server running CentOS 7 that recently had a hard disk failure. It had 4 hard drives configured in RAID 6. To replace the failed HDD, I powered off the ...
0
votes
1
answer
162
views
rm -rf on some direcories never complete
I have several directories in an ext4 filesystem that I can't delete. When I run rm -rf on the directories ps aux | grep rm shows a status of D for the process. I have tried allowing it to run for ...
- 951
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1
answer
698
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How to combine an SSD with two HDDs in a RAID1-ish hybrid setup?
Coming from Linux SSD as HDD cache, I'd like to set up an SSD (or rather a partition thereon) as cache for basically a RAID1 of two HDDs. But since the data might remain cached on the SSD for while, I ...
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