Questions tagged [hard-drive]

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

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iostat 100%util when not reading/writing much

I have a standalone server that recently started to produce strange data in the iostat command output. I likes to go up to 100% util while the r/s,w/s,rMB/s,wMB/s are relatively low. During that ...
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HP gen8/9 2.5" caddy screws standard

HP gen8 and gen9 servers use own 2.5" HDD trays with their own HDD M3 screws. Original HP 2.5" caddy tray use small wafer head M3 screws (philips or torx), which is not typical to buy. Ebay ...
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Operation not allowed when running `sudo storcli /c0 /e252 /s1 set good`

I have a server with a LSI card running with RAID5. Recently the card sounded an alarm and it seems there is a problem with one of the drives. ----------------------------------------------------------...
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ERROR - Failed to format SSD /dev/nvme0n1p1, error: ERROR: Failed to get model number of '/dev/nvme0n1p1'

I'm getting a failed to format drive error because it seems to be unable to identify the model number? Any tips on how to troubleshoot this? 2022-06-08 18:05:02,800 - diskssdconfig.state - ERROR - ...
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sdb: Disk read/write request responses are too high (read > 20 ms for 15m or write > 20 ms for 15m)

I use Zabbix agent to monitor my Linux servers. I start to receive this alarm: sdb: Disk read/write request responses are too high (read > 20 ms for 15m or write > 20 ms for 15m) incident ...
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RAID + how to manipulate the disk size with RAID controller

We have 3 Hadoop HDFS servers on DELL HW physical machines , when all servers are with RHEL 7.2 version Each server include 3 HDFS disks when each disk is 1TB Now we want to do add another 3 Hadoop ...
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RHEL + can we improve disks performance by tuning kernel parameters?

we have Hadoop cluster and we are collection metrics collection data in order to investigate slowness behavior on spark applications after long investigation on our Hadoop cluster we noticed from ...
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Available Disk Space

I have an ubuntu server with 2x 4Tb hard drives. This was set up with Hetzner's install image using software RAID 1. I'm confused by the output of df -h. It lists 1.9T available for / and 1.6T for /...
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Why are 1.92/3.84/7.68TB hard drives the standard?

For SSD drive, I often see specifications like 200GB, 400GB, 800GB, 1.6TB, 1.92TB, 3.84TB, 7.68TB (For example, HPE 7.68TB SATA 6G Read Intensive SFF SC Multi Vendor SSD) Is there a hardware/...
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How to recover corrupted HDD with LUKS encryption?

There's a 1TB HDD which is somehow corrupted. It has only one partition and it's LUKS-encrypted, as far as I know. The password is known. The HDD used to prompt for the password right after it was ...
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VMWare Disk Performance

I have an HP ProLiant DL380p Gen8 (VMWare 7u3 installed) with 2 pieces of 960GB SSD RAID1 arrays (total of ~1+1=2GB usage). The rest of the configuration is like 24 CPUs x Intel(R) Xeon(R) CPU E5-...
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Max Hard Drive Size for SATA 2

Recently acquired a 1U Supermicro E3-1230 with two 3.5" drive bays, and thinking of buying two 18TB SATA-3 hard drives for it. Before I make this investment, would anyone know if SATA-2 (3 Gbps) ...
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How can I make LVM configs boot tolerant with attached USB drive

Setup: DELL PowerEdge R520, oVirt Node 4.4.1 x86_64 # pvs PV VG Fmt Attr PSize PFree /dev/sda2 onn_ovirt01 lvm2 a-- 105.26g 20.77g /dev/sda3 VG_he_nfs lvm2 a-- &...
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Unable to rebuild the Raid 1 Array (intel RST Raid 1) in BIOS and in OS(Ubuntu server 20.04.4)

we have HP server HP ProLiant ML10 Gen 9 with Ubuntu 20.04.4 LTS. We have enabled Raid 1 array for two HDD sized 2TB using Intel RST Raid configuration (which is an fake/firmware raid). Now my goal is ...
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How to get hard disk status from RAID with SmartCTL for monitoring purposes?

I have a FreeBSD with a RAID running 3 Hard Disks. I was given the challenge to monitor its RAID - If a hard disk fails or it presents some problem i need to know. So, the first thing i am doing right ...
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Ubuntu CLI Drive removed

I recently added a drive to my server. However, I check my computer this morning to find the drive doesn't show up on NTFS and I noticed that all folders and files were gone from that mount point on ...
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Browsable Disk Not Shown in Win10 Explorer

Out of ideas myself so hoping someone has seen this or can throw ideas at it. I have a Win10PRO x64 21H1 with latest monthly updates installed C, D, E, F Drives - all Internal F Drive not shown in &...
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How do I extend the space of /dev/sda3 on Oracle Linux Server 7.9

Disk capacity is at 105GB, but the root directory (/dev/sda3) capacity is only 39GB, I want to increase the capacity. How can we do this? By the way, the OS is Oracle Linux Server 7.9. $ df -h ...
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Ubuntu CLI Device timed out

I recently added a drive to my server, that I previously used as swap space--overkill, but I didn't need it elsewhere. However, I check my computer this morning to find the drive doesn't show up on ...
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Is it best to have the OS on a separate virtual disk?

I have a server with 8 drive bays, and I have eight 4TB drives. Would it be best to do one RAID10 with all drives, or one RAID1 with two drives and then a RAID10 with the remaining six so that the ...
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Software RAID Options Combining Internal SATA & External USB?

BACKGROUND I currently use a hybrid server-workstation setup for my primary workstation. Basically, just a Fedora base running Linux KVM, on which I then containerize a couple Linux flavors & a ...
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Creating a new RAID1 array partition same size as existing disk

I have an existing raid1 array on a pair of 3TB drives. ~ 🃊 cat /proc/mdstat Personalities : [raid1] md127 : active raid1 sde1[0] sdc1[1] 2930133440 blocks super 1.2 [2/2] [UU] bitmap: 5/...
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Is there some way to change windows disk size without actually increase it?

What I mean is, for test purpose, Can I change the disk size showed for Windows without actually increase it. For example, in "this computer", the real disk size is: 50gb, but I'd like to ...
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Synology Storage Manager rejects healthy disks as "Critical" because of "reset commands"?

I am trying to install a new HDD in my DS1515+. The hard drives are brand new Seagate Exos X. I have bought 3 of these drives, and 1 of them works fine and is now part of my storage pool, but the ...
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How to get average disk queue length of a physical hard drive based on folder path

I want to check what is the disk queue length of a physical hard drive, on which a specified folder is stored e.g. /home/andy250/myfiles I want to check this automatically via script. I am running ...
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"hdparm -s 1" on USB disk -> bricked? - USB drive is on power on in standby mode which cannot be reverted with hdparm

I have a disk which was apparently put into PUIS mode with hdparm. As the disk does not spin up on power on automatically, I think I need to send it directly to the USB device (which is not even ...
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Disk doesn't show any partition table or partition changes

I wanted to clone an encrypted drive to a new drive, so I set up CloneZilla to do a disk-to-disk clone. At the beginning, it said 9 hours to run, so I let it run overnight. The next day, it had 145 ...
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One bad sector causes the whole RAID0 to fail? [closed]

In our server, we have four SSDs. The first one is for OS, and the remaining three are for RAID0. Today, the disk mount corresponding to RAID0 suddenly goes missing. When I check the disks, the 3rd ...
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DegradedArray Event Detected - U_ but only one drive listed

I got this email from the dedicated server hosting company: A DegradedArray event had been detected on md device /dev/md/0. The /proc/mdstat file currently contains the following: Personalities : [...
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Open the Windows c drive from Kali Linux

recently i am passing by a problem and i need help from you. I have a dell computer with two operating system (Kali Linux and windows 10),i made my windows in a hibernate mode and it shoot down due to ...
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ZFS / Zpool with limited disk usage?

I have a server with a JBOD of 36 x 14TB disks that have a total usage capacity of 12.7TB (Disks are WUH721414AL5201) I have created two zpool's: zpool1 which contains 3 vdev's (Each of them having ...
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Can I delete files in folder C:\FusionLog

On my Windows Server I found folder C:\FusionLogs that occupies a lot of Gigabytes on my disk. Can I delete files from this folder to obtain freee disk space?
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SQL Server - Optimizing Performance of a Large Dataset

I'm using SQL Server running on an Azure VM with 8 SSDs. The SSDs are grouped together in Storage Spaces as 1 disk - in order to increase the capacity and also to combine the IOPS/Throughput. But the &...
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QEMU KVM hangs "Booting from Hard Disk... "

Ubuntu 20.04 server (no GUI) as host several guests working perfectly, each with its own LV I created an LV for a VM called "test", similar to working guests Partitioned the LV: one ext4 ...
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Find what is using disk space in CentOS 7 (du vs df vs lsof)

I have a server, CentOS 7, that show disk usage on DF way higher than you can see on DU and I trying to understand why DF shows 38GB used DU shows 14GB There is no mount point on any folder Checking ...
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2 votes
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How can I find who is preventing disks spin down

The problem After upgrading NAS system from Buster to Bullseye disks cannot spin down. My NAS setup 5x mechanical disk WD RED, no RAID, ext4 without journaling Debian Bullseye, kernel 5.10 system ...
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If a hard drive caused "bus errors", should its SMART attributes show problems?

The machine shows "ATA bus errors" occasionally, and has to be rebooted: [24028.505239] ata1.00: exception Emask 0x10 SAct 0x0 SErr 0x48d0002 action 0xe frozen [24028.505249] ata1.00: ...
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blk_update_request: protection error

i have ubuntu 20.04LTS baremetal server console populated with error below blk_update_request: protection error, dev sdo sector 5828800473 op 0x0:(READ) flags 0x0 phys_seg 1 prio class 0 ...
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Remove Missing Drives from ZFS Pool

After an embarrassing session trying to replace a disk in my ZFS pool, I have a bunch of entries representing disks that are no longer present in the system: NAME STATE READ ...
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8 votes
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How to overwrite a very large hard drive (18TB) with random data using shell commands in Linux

I would like to overwrite a very large hard drive (18TB) with random bytes, to then check smart data for reallocated sectors or other errors. Since badblocks has some limitations on number of blocks ...
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HP DL380 G8 - P420i Raid Controller - How to monitor physical disks on a slow hardware raid volume?

There is an HP DL380 G8 server with P420i Raid Controller, containing a RAID5 volume. It suddenly became slow, but all physical disks are ok. [root@localhost ~]# ssacli ctrl all show config detail ...
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Is there an easy way to expand a Linux VMs disk?

Im currently planning a cloud solution. The cloud is supposed to run on Linux VMs via vSphere. Right now, every time I want to increase the virtual disk space of an already set up Linux VM, it’s a ...
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Disk read metrics not showing for postgres activity

I've long noticed that ESXI wasn't showing disk READ activity for my Ubuntu Postgres database server. I figured maybe it was just a weird bug with ESXI, as it would show disk WRITE activity. I decided ...
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Installing a second disk in ODD via LS-9634P. HP 250 G5

I'm trying to connect an HDD drive through the Lenovo LS-9634P board to the JODD connector on an HP 250 G5 motherboard. Power adapter from board to drive: SlimSATA Male 7+6 13pin - SATA Female 7+15 ...
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What does the error message "sda access beyond end of device virtualsda access beyond end of device" in a virtualboxbox system?

Today I tried to turn off one of my VirtualBox system and I got that error over and over again for a few minutes. Then I just forced a shutdown. I remember that I resized that partition from 50G to ...
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How to restore GPT table from backup table?

I'm not sure if my disk is actually broken or just has some corrupt GPT data fdisk /dev/sda Welcome to fdisk (util-linux 2.36.1). Changes will remain in memory only, until you decide to write them. ...
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2 votes
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How to restore RAID1 configuration with 2 different HardDrives in CentOS-7

We have a server (HP ProLiant ML10 Gen 9) that came with Two Identical Hard disks. It was assumed that the server supports hardware RAID 1 (Mirror), and the CentOS-7 was installed in it. But later we ...
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Internal Seagate HDD extremely slow under Linux

This computer has a 1 TB Seagate HDD as a second drive at /dev/sdb, formatted as ext4. Recently the HDD started performing really, really slow. For example, it took almost 20h to copy ~89 GB of data ...
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Determining Linux block path from Redfish

Context: I am trying to automated a preseeded Linux installation on a Redfish-capable server. Ideally I want to keep this as vendor-agnostic as possible so I can support multiple types of servers (i.e....
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RAID controller detecting SSD as foreign after every reboot

My server, an R610, has been detecting my SSD as foreign after every reboot. It has a PERC 6/i RAID controller, but there's no actual RAID stuff (I just have all the drives as their own VDs). This had ...
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