Questions tagged [hard-drive]
Questions about hard disks' performance, issues, tips, and software.
2,449
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Storage solution and cable compatibility on hp proliant dl585 g7 with Smart Array p410i controller [closed]
Due to a tight budget with this server (which I estimate was not a very good buy). I am looking for a way to use 3.5 size disks, having this server with 2.5 bays. (In my country small disks are twice ...
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1
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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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26
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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
...
- 559
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33
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Disk capacity discrepancy in gparted linux
I just buy an old server which has an old HDD hard disk with Ubuntu OS inside. I want check capacity of hard disk and when I check this with gparted command, result show in gparted result. In line &...
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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 ...
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5
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2
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237
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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 ...
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0
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66
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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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58
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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, ...
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1
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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 ...
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31
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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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47
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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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73
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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 ...
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1
answer
139
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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. ...
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2
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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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64
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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
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270
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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) ...
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228
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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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7
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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 ...
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1
answer
60
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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 ...
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41
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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 ...
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1
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1
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48
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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 ...
- 559
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29
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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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86
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How to repair an XFS volume in a RAID array
In a data server, we have a RAID array of 5 disks joined in an XFS filesystem. The dmesg output is:
IPv6: ADDRCONF(NETDEV_CHANGE): enp134s0f0: link becomes ready
XFS (sda2): Mounting V5 Filesystem
XFS ...
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106
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Fedora does not boot when it is installed / virtualized using virt-manager and later booted using the qemu parameters (using /dev/sdd as disk)
I'm on Debian 11 (where I'm using the default qemu version 5.2) and I'm trying to boot Fedora 37 using the following qemu commands :
/usr/bin/./qemu-system-x86_64
-enable-kvm
-m 8G
-machine q35,accel=...
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2
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39
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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
38
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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 ...
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71
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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 ...
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390
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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
...
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252
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I have tried to install the anaconda software but it keep giving me a directory error .It says directory not empty .How do I fix this
have tried to install the anaconda software but it keep giving me a directory error .It says directory not empty .How do so fix this
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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 ...
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22
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USB SATA adapters not working with SSDs
Has anyone else experienced issues with USB SATA HDD adapters working fine for traditional hard disks but not for SSDs?
I haven't been able to find any information about this, but I've now encountered ...
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91
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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 ...
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64
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Linux console is not prompting for root p/w after detecting "RUN fsck MANUALLY" - how to proceed?
Last night our datacenter host had issues filling up their storage (again!!!) and caused all our VMs to drop to r/o. After the admins allocated some more storage, a simple reboot on most of our VMs ...
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148
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What does this disk message in dmesg means？
[Mon Jan 30 19:43:19 2023] ata4: COMRESET failed (errno=-16)
[Mon Jan 30 19:43:19 2023] ata4: hard resetting link
[Mon Jan 30 19:43:06 2023] ata4: link is slow to respond, please be patient (ready=0)
[...
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Do spanned volumes always take up part of the main hard drive(The one with windows installed)
I have set up a spanned volume that consisted of 2 physical hard drives yet part of it is on my main hard drive(the one with windows installed) is that normal behaviour? The volume I'm referring to is ...
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1
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389
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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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1
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506
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ZFS pool disappears and says "I/O error" because of one missing device
I had a ZFS pool named data with 3 disks. Two disks were attached to the raidz by ID, but the third one was attached by volume (sda). I physically removed the sda device because I wanted to attach it ...
- 539
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203
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ddrescue only rescued half the drive, how do I salvage the rest?
I have a USB hard drive that appears to have failed. Now I'm trying to transfer as much data as possible to a fresh drive with ddrescue -n -f -v /dev/sdb1 /dev/sdc2 recovery.log. I ran into the error ...
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Server Drive issue
My server was not working at all since yesterday, when DC intervention complete they told that one of the drive is defected.
I am using 4x 2To HDD SATA Soft RAID
After they checked and online the ...
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0
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352
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Disk performance issues exclusively with RAID 10 (LVM RAID)
For some reason, I am suffering very poor disk performance on RAID 10, but normal performance on RAID 5.
For context, I have 4 x 1 TB hard drives in a server. They are the physical volumes within the ...
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2
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57
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Can several magnetic heads in a cylinder of one disk read or write simultaneously? [closed]
For example, a disk has 8 surfaces, each has one magnetic head. If all but one heads disappeared, the disk can reach 10MB. What will the speed if using all heads?
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33
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Change Azure VM Disks from SSD to HDD
I have an Azure VM with 8 disks attached, and all of these disks are formatted as one disk on the OS. They are all SSD's, but I would like to change them to HDD's. Can I just do this for each of them ...
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3
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469
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HP Raid Controller p420i 18TB disk support on DL380 Gen8?
I have some 18TB Seagate Disks on a DL380 Gen8 HP server with p420i raid controller, with 2GB cache module.
I have created a RAID5 with 16TB disks but with 18TB disks, all disks are recognized but ...
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Which RAID is best for private use of NAS [closed]
I want to buy the DS 920+ with (4x)6TB Seagate IronWolf NAS HDD.
I definitely want some reliability. I obviously don't want to lose any data which is stored on the NAS.
Which RAID would be the best?
I ...
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Linux: 1 TB HDD showing 7 TB partition!
I replaced a 1 TB HDD (which holds a single EXT4 partition with lots of hardlinks to backup files/directories also inside this partition. It has also a bunch of regular files/directories) with a 2 TB ...
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After deleting a big file the space isn't freed even after rebooting the system:
So I have that problem. The space hasn't been freed, either checking by GUI (Nautilus or Disks utility) or by TUI(df). I've read that it could be because another process was still handling the file ...
0
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1
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512
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Resize a persistent disk for Linux (MBR partition) on Google Cloud Compute Engine
I want to expand my disk capacity for my Google Cloud machine and have been following the tutorial that's located here.
However, I'm fairly certain that the tutorial assumes the user has a GPT ...
google-compute-engine
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1
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48
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OK to power down server every day?
If I may give a little background before my question. I'm winding down my web developmet business so have moved out of the office to WFH. I might just do some work maybe one or two days a week.
Have a ...
- 115
0
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0
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15
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Centos 7.4, dev/vda1 is 100% [duplicate]
My VPS on DO now has an issue of dev/vda1 is 100% since around 3 months ago, at that time, I did poweroff & reboot then disk spaced freed.
But the thing rans into some bigger issue since 1 week ...
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1
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167
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What is the safe way to run fsck or badblocks on a XenServer local storage repository?
I have a XenServer host with six large local disks as storage repositories, which are mounted in pairs in three VMs, and NFS shared from the VMs to provide backup volumes for multiple hypervisors of ...
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