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Questions tagged [hard-drive]

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

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Spinning up disks in FC shelf

I own an Engenio 4600 FC shelf, which works apart from flaws regarding missing diagnostics pages quite well as a JBOD in combination with Linux and ZFS. The only problem I need to solve is if I ...
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0answers
17 views

How to mount Apple RAID on Debian server?

I have two Samsung ssd's in a RAID 0 configuration. It was made with Disk Utility on macos Mojave. I would like to mount them on a Debian server but I can not figure out how or if it is possible at ...
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8 views

Unable to Detect Size of Brand new Hard Disk [migrated]

I just purchased a 8TB hard drive today. I just put it in my USB enclosure. fdisk -l did see the device: Disk /dev/sdc: 1404.5 GB, 1404493455360 bytes, 2743151280 sectors Units = sectors of 1 * 512 ...
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0answers
35 views

access denied on external hard drive on windows 10 [on hold]

i got new wd 4tb external hard drive for windows 10. i formatted it and create multiple partitions ( had to use admin privilege in diskmgmt. ) everytime install software from internet, i am forced to ...
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1answer
19 views

Disk State is “failed” on RAID card

So I have a brand new SAS disk that I'm putting into a system with an unconfigured raid card. The disk is showing in a Failed state. The disk is brand new never been used before. I am pretty new to ...
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0answers
7 views

Storage Network vs External Hard Drive [duplicate]

I have a very large dataset for training a deep neural network. I have two options to keep all my dataset on disk. (1) External Hard drive (2) Network Storage. The choice will hugely affect my ...
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1answer
19 views

Is it possible to browse files from HDD containing OS esxi?

my office have a broken esxi server that suddenly doesn't want to boot up. I am suspecting it is caused by motherboard. I am trying to access the server's Hard drive to get some VM files inside the ...
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0answers
17 views

How to prevent windows turning on writing cache? [closed]

I turned off the writing cache of my 970 evo 250g(system drive) and restart. It is turned off after the restart. But if I restart again. The writing cache will be turned on again. I tried to turn off ...
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0answers
29 views

BitLocker drive encryption - Hyper-V host to guest pass-thru

Cheers folks. I have a question RE Hyper-V guest operating system accessing a physical hard drive from the host, and using BitLocker drive encryption. Currently, I have a linux VM that has a bunch of ...
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1answer
14 views

failed command: WRITE FPDMA QUEUED - cause of server running slow?

A headless Linux NFS fileserver has been running slow for the last couple days (based on subjective reports from users). I checked journalctl did not see any relevant errors. However, when I ...
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6 views

Is this model of memory compatible with NUC? [migrated]

I am curious if the three items in the attached image are compatible and if it's all I need to get an Intel NUC running?
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1answer
34 views

Increase root partition

Does anyone know of a way I can extend the size of /dev/sda4 and assign it to vg_root-lv_var without a reboot? lsblk output: NAME MAJ:MIN RM SIZE RO TYPE MOUNTPOINT fd0 ...
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1answer
15 views

Checksum errors indicative of hard drive failure

I have an old hard drive. I tried installing two things, PyTorch and Nvidia CUDA (large archive files) and both times the installation failed. When I checked the errors, both times it said the ...
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1answer
56 views

Extremely slow writing to external USB disk

I have measured the transfer on the following disk to be 2.75MB/s: iManufacturer 2 Seagate iProduct 3 BUP Slim SL The interface is USB2 so it should be fastered than that: ...
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0answers
40 views

Manually executing option roms (PCIe SATA storage card)

I have an older Dell server, a Poweredge 2900 II, and I would like to use it with large HDDs (> 8 TB). For this, an expansion card is needed, since the motherboard nor the PERC RAID controller can ...
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1answer
25 views

Wiping Bitlocker Drive Key Sector

I have a 4TB drive that has been bitlocker encrypted (via password) since day one and want to wipe it before I sell it used. The process looks like it's going to take 100+ hours via nwipe but I was ...
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0answers
42 views

Whether I can download the data of `/dev/mapper/VolGroup-lv_home`?

I can not mount the /dev/mapper/VolGroup-lv_home to /home directory. but now whether I can download the data of /dev/mapper/VolGroup-lv_home? I can not mount a lv partition to a directory, whether I ...
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0answers
21 views

Does calling storcli on a hard disk drive induce read/write latency?

I am calling storcli /c0/eall/sall show all on some 4TB Western Digital hard disk drives to get their SMART code status. When I do this it causes significant write latency to the disks, is that ...
7
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1answer
176 views

Using non-certified hard drives in Dell MD3220 storage array

Is it possible to use non-certified hard drives in a Dell MD3220 storage array? I ended up getting 3 new drives that were the EXACT same model number as the existing ones. Then I bought the drive ...
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0answers
19 views

Create logical volume again on Ubuntu after deleating it [duplicate]

I have a Ubuntu 16.04 Server and used these two commands which accidently deleted my logical volume: lvchange -an -v /dev/sda5/xyz-vg and lvremove -vf /dev/sda5/xyz-vg I did so from an Ubuntu Live ...
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2answers
71 views

Can upgrading the BIOS bork the filesystem?

After upgrading the BIOS, I was no longer able to SSH into the box. I consoled in via IPMI and saw "Checking the filesystem" messages. I had the data center team take a look; they told me the ...
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1answer
111 views

moving/creating new EFI partition to new drive

In a Win 10 workstation I have 4 drives and need some drive/partition guidance. Disk 1 has the 100MB EFI system partition, a 2nd 1.8TB partition with data, and a 450 MB partition following that with ...
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2answers
44 views

RAID: Comparision of load on disks while expanding disk space or upgrading RAID level

I have an Areca ARC-1880IX-24 RAID Controller (FW 1.51) with several different Seagate 3TB disks (SAS and SATA, and of different age) attached to it to form a RAID5. When I tried to expand it by two ...
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0answers
19 views

what is the best practice when rescanning scsi disks reliably in linux?

I'm constantly having to make SAN changes which means that I am also constantly having to rescan the scsi bus so that my various changes are reflected in the machines I've exported disks to. I've ...
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0answers
30 views

How to restrict or hide users to specific drives only (not typical drives combinations)

How can I restrict users (not admins) to access to specific drives? I know there is gp that allows to restrict typical combinations of drives, like C, A, B, D etc... But I would like to allow all ...
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0answers
63 views

What could cause Nginx to write this much I/O?

I have a high-traffic webserver (up to ~50 page loads per second) running nginx, which passes HTML requests to a PHP-FPM backend and serves static assets directly. Under this load, I get a curiously ...
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1answer
45 views

ext4 mysterious “No space left on device” error

Im having trouble with my ext4 filesystem. Im using this with NFS to make it available to remote machines. Now its showing a mysterious "No space left on device" error when im trying to mkdir $name ...
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0answers
10 views

typeperf disk write log interpretation

When running typeperf utility to get total disk write. typeperf -si 2 "\LogicalDisk(_Total)\Disk write Bytes/sec" I get results in the format "01/11/2019 01:29:40.674","58066.696363" what is the ...
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1answer
23 views

How can I create the large disks in Azure that are currently in public preview?

Azure started supporting extra large disk sizes in September 2018 (as described here) as a public preview, currently available only in the West Central US region. I'm trying to create a new S60 (4-8 ...
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0answers
25 views

Zookeeper best practice - using only SSD disks

we have HDP clusters version 2.6.0 / 2.6.1 ( hortonworks ) , and maybe in the future the version 3.0 I searched a lot in HORTONWORKS documentation , but not found the details about using SSD disks ...
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0answers
26 views

How to remove physical disk from drive pool

We have a file server running in Raid 0 which is handled by the OS(windows server 2016) The components of the pool are: 1. 2 1TB Seagate Barracuda 2. 1 4TB Toshiba SAS From the pool the virtual ...
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1answer
41 views

Examine contents of unused space on the HDD

When using managed dedicated services, either virtual or physical, where you're presented with complete control to an operating system installed on some piece of hardware you don't have physical ...
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0answers
16 views

Server disk de-allocated itself - why?

We had an emergency situation happen overnight last month. A virtualised server (Server 2008R2) running under VMWare 6.5 experienced its D drive disappearing and becoming 250GB of unallocated space. ...
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1answer
40 views

Exposing disks to virtual machines as 512e

I'm aware that VMware ESXi supports the creation of datastores on local Advanced Format 512e disks as of v.6.5. However, all the (very scarce) information I can find seems to suggest that virtual ...
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0answers
15 views

Using hdparam for more strenuous tests

So I am tasked with getting some strenuous raw hard drive performance tests. We started with FIO but this has proven to be ineffective as the results are poor in windows and linux. I tried Bonnie++ ...
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3answers
66 views

How to migrate Windows 2008 r2 server to new harddisk

I have a HP ProLiant ML350 G6 Window 2008 R2 server, 6 x 300GB Hard disk in RAID 5, as the storage capacity is low, so I want to change to 6 x 3TB Hard disk in RAID 5, so I want to ask how to copy ...
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0answers
21 views

What does it mean when 24 contiguous bytes in a file are corrupted? [duplicate]

I copied 500 MB of files from one hard drive to another and four files were found to be corrupted on the destination drive, each with one section that had 24 bytes different from the source. What ...
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1answer
60 views

Why same disk model but different capacity?

I'm trying to replace an old disk on a JBOD that I inherited. I bought exactly the same model but it seems it has a different capacity (resulting from different number of disk sectors), preventing me ...
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1answer
24 views

OfflineUncorrectableSector & CurrentPendingSector emails - what should I do?

Running Centos 7: I've just done a yum update followed by a reboot on one of my servers, and when it came back up I got two emails: First: OfflineUncorrectableSector Device: /dev/sdb [SAT], 28 ...
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1answer
24 views

HP G8 trays keep on showing disk activity when there should be none

I have a DL380 G8 with a P420i raid controller. 2 RAID1 logical drives have been setup - one containing the OS (CentOS7) and one made of a single almost empty partition (contains a single tiny text ...
2
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1answer
49 views

BTRFS, out of space, but there is plenty of space

I am facing No space left on BTRFS. What I already tried myself: After remount RW: btrfs filesystem resize max /mnt/hdd I ran balance (for weeks ;-) ) with different parameters btrfs balance start /...
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votes
1answer
31 views

Create Azure VM from Snapshot if Disk Deleted Possible?

We deleted a VM as it was no longer needed. Prior to deleting we took a snapshot. The VM hard drive (OS) disk still exists but we're looking to clean up unused resources. If I delete this disk, can I ...
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1answer
81 views

HP Proliant G8 - mixing external drive bays SFF/LFF

I recently got myself a refurbished DL380pG8 with a 25 SFF bay. The idea was to put CentOS7 on it and use is as storage device, mixing shared storage, possibly some iSCSI drives for a couple of ...
2
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0answers
30 views

Hard drive Incorrect Serial Number

I am trying to get serial number of hard drives in Centos, but for some hard drives I am getting incorrect serial numbers when compared the serial number printed on drive label. I am using lsblk ...
2
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1answer
53 views

HUGE (1,2TB) WSUS does not get smaller when cleaning

In our company we use WSUS and for almost 2 years it was just left alone and has some problems because of it. The biggest problem is that it is blocking our hard drives because of its humongus size ...
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0answers
17 views

creating a partition makes the server unbootable

I have a server that comes with a softRaid of 2x450gb nvme disks. Since all my data is backupped, I don't need the raid and I want to use the full space instead. From the hosting (OVH) control panel ...
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0answers
10 views

hdd vs ssd for php/mysql dedicated server [duplicate]

I'm migrating a server and I have to choose between: SoftRaid 2x4TB sata SoftRaid 2x450GB SSD nvme The server will basically run nginx+php7.2+mysql8 The response time is very important for our ...
2
votes
1answer
19 views

esxi 5.5 unable to detect previous hard disk

I have a 129GB SSD on HP Proliant DL380 G7 with ESXi 5.5 installed from a pen drive. The hard drive contains 2 virtual machines that contain a lot of work in them. I had to remove the drive as I am ...
3
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1answer
75 views

Disc write cache on Windows domain controller | always disabled by default?

Is it true that on a Windows 2016 domain controller (bare metall installation), the disc write cache is turned off even if a battery-buffered RAID controller is installed and recognized by the system (...
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0answers
8 views

Why SMARTCTL just halts on healthcheck? [duplicate]

I am trying to run health checks, but for some drives the command just halts. I guess faulty drives? I want it to exit promptly even if health check fails, it shouldn't just lag but exit with fail ...