Questions tagged [storage]

Computer data storage, often called storage or memory, refers to computer components and recording media that retain digital data. Data storage is one of the core functions and fundamental components of computers.

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How the 'move' command works on Ext4 file system? [closed]

I know that moving files with the 'move' command is distinct from copying them to a new folder and deleting the old ones. I'd like to know how the 'move' command works on the storage system relocating ...
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What are the effects of installing softwares to a removable device?

I am considering purchasing a small (14" screen) laptop which has Windows 10 pre-installed and has an 32GB EMMC storage. I was thinking that to preserve as much free space on the C: drive (32GB EMMC)...
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Is it possible to use a Dell HBA330 in an HP Z2 G4 Workstation?

Trying to install a Dell HBA330 SAS controller in an HP Z2 workstation. Getting BIOS error. 3 Major/2 Minor beeps on start-up and nothing. Tried the card in another computer and it works without ...
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35 views

Should I store my files on another partition?

I want to better organize my files in my computer but I have a question. In fact, I would like to store them all on another partition (E:). But is it a good idea? Is there any risk of loss, or will ...
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Why when I undo deleting a folder the contents disappear?

Lately I have moved some of my documents (using a junction link mklink /j "link" "target") on a faster m.2 drive and I notice that when I delete a folder in there and I later undo it, then go inside ...
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28 views

NAS Compression/Decompression

I'm interested in building a NAS to act as a file server for a small number of people (myself being the sole user the majority of the time). I'm thinking the server would run on linux and serve files ...
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24 views

What's the minimum number of lba I can trim (sg_unmap) from a device?

I run this command: sg_unmap -v -l 0 -n 1 DEVICE and it doesn't fail but it also doesn't do anything. when I increase it to n=8 then it's trimming 8 lbas why it's working like that? I couldn't ...
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Does production date affect compability or lifetime of a drive?

Yesterday we received some new drives for our in-house fileserver. We ordered 6 12TB HC520 from a supplier and they sent us four which are labeled 4 MAR 2020 and two labeled 18 AUG 2018. They are ...
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Why does Documents folder show wrong storage size on OSX?

While clearing out non-essential files, I noticed that the storage information displayed using Get info or using About this Mac are incorrect. For example, when I attempted to find out the size of ...
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VMware Workstation 15. Shared workstations. Use multiple storage places for guest OS

I am using VmWare 15 Workstation software with Windows 10, with shared workstations. I need to place every guest machine to the separate physical hard disk. It is impossible via VmWare Workstation ...
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Why is my SSD performing so far over spec? [duplicate]

While setting up a new laptop, I plugged in an SSD from an old computer, a 1TB Samsung 840 EVO 2.5" SATA III. This drive is rated for 540 MB read / 520 write according to Samsung. At first it only ...
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ZFS to boot ubuntu in 20.04 for SoHo server. Is this a good idea?

It seems ZFS is much more robust than ext4, specially for handling power failures or bad-blocks/media-corruption. There's old literature from 2013, 2014... here and there about ZFS as a boot ...
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Do apps installed on HDD run slower than if installed on SSD?

I have an Acer Aspire V Nitro Black Edition Laptop. It has a 256Gb SSD unit, where Windows 10 is installed, and a 1Tb HDD for data storage. After installing some software into the default Program Data ...
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Mac OS available storage rapidly changing, shrinking

I’ve been having an issue where the available storage on my disk lowers by up to several gb in a couple days, or fluctuates seemingly at random. On the latest version of Catalina, and so far I’ve ...
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How To Keep Data on a HDD Alive ((charged, healthy)

I'm aware that HDD write the data to disk by means of magnetic charges to a tiny spot on the platter(s) inside. I also discovered (by experience) that after a period of time, this data can get ...
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Do filenames add to the filesize?

For example, let say a Unicode character would take up 1 byte. So we have a text file that is named foo. The contents is foo bar Remember to include the return carriage (It is a control character I ...
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Can I set up a Raid 0 and access it on Mac + Win 10

I have a Z820 with two OS PCIe SSDs: 960 Pro NVMe (Windows 10 OS) 970 Plus NVMe (MacOS Mojave) Can I set up a RAID 0 storage array [Highpoint 3740A] using two 4TB HDDs, then access the storage array ...
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SSD suspected to be failing, failing to boot

Here is the complete story. I have this ROG Strix G g531gv laptop for almost 6 months now. specs: i7 9750h, rtx2060(mobile), intel SSD 660p M.2 nvme 512gb, 16gb 2666mhz ram, 1tb 5400 seagate HDD ...
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How does BIOS or any other firmware communicate with a storage device in order to achieve the first-stage boot loader goals?

When booting, the firmware in BIOS-CMOS needs to recognize which volume has a boot loader to things effectively starting to become highly operationals. But, at this stage, I think, there is no driver, ...
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How to improve nfs io speed

NFS server IP is 192.168.99.100, and 6 NVMe SSD compose a soft RAID 0 array by mdadm. NFS client's IP is 192.168.99.101 with 768GB memory, and it connect to NFS server by 40G network. The OS of both ...
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87 views

Multiple vs. Single M.2 NVMe SSD

I plan to buy a Samsung 970 Plus 1 TB as storage drive and maybe an additional Samsung 970 Plus 240GB or 500GB for boot drive. I know SSDs do not function like HDDs. Nevertheless, I am wondering if ...
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98 views

Server or NAS for on-site (maybe no internet) file sharing between computers? With another solution to backup

I'm running a 2-3 man game dev team (game programmer, me, artist and a composer). We're slowly reaching certain limitations on storing and sharing assets between team members and it's slowing us down....
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36 views

Determine disk usage by user across linux directories

I am a non admin user of a linux server, where multiple users/employees store data. When we run out of disk space (i.e. when we notice data transfer failure etc..), someone of us runs a df command to ...
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I am having problems saving several files totaling over 4gb on FAT32 drive

So after reading about FAT32, I understood that you can't download a file greater than 4gb on FAT32. I am fine with that. But here is the problem I am having. I have a 1.9tb thumb drive that I am ...
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418 views

Samsung 860 EVO 500GB SATA III filling SLC cache

I have 860 EVO 500GB Sata III and in my case the write speed drops down to ~300MB/s because the SLC cache fills up to 22GB and it won't flush, not even if I power my computer off, causing the SSD to ...
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Can a subwoofer's magnet damage laptop's hard drives?

My laptop (one ssd, one hdd) sits on the (turned off) subwoofer. Does the speakers' magnet shorten the lifespan of my storage devices? Cheers, Dominic
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HDD SAS vs SSD SATA vs NVME for MySQL database server

I am configuring a high end server to run Linux with MariaDB / MySQL. Performance is critical and as such I'll be maxing out RAM as far as possible. Given this, my benchmarking suggests that the ...
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36 views

Why is windows showing more storage being taken than it really is?

I've written a tool that creates textfiles which are each 1GB big. Now when I execute the tool two times, Windows tells me that 4 GB of storage are now full, when it actually has to be just 2. Here is ...
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93 views

Does LBA size map to the physical or logical sector size on hard disks?

(Similiar questions have been asked but none of them answer if it is the physical or logical sector size that determines what the LBA size is set to.) A hard disk has a 'physical sector size' and a '...
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Where does Total Commander store file comments?

The feature is in Files > Edit comment I thought that it's stored in NTFS ADS but dir /R doesn't show any additional streams. I've also checked \AppData\Roaming\GHISLER and \AppData\Local\GHISLER but ...
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Is there way to do NFS audit logging?

I need to monitor what's happening on a storage that is being accessed from Linux workstations via NFS (v3). Ideally something similar to the samba auditing. Is there any option to achieve this?
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87 views

How should I set up volumes for multi-task database service in docker swarm?

I am new to Docker and I want to do mini-project with Docker Swarm. I built docker image with my Django app. In dockerfile I added project files, migrated all models, and then ran server. Now it is ...
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79 views

Will OS on old SSD corrupt new OS on new computer

I would like to remove the SSD from my old computer and install it in my new computer for use as extra file storage. Potential issue: the SSD contains the Windows 7 OS, and the new computer’s system ...
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CephFS slow IOPS with large dir trees

We are seeing slow IOPS issues with CephFS when the total files in a directory tree exceed some unknown large value. Sometimes we see the issue when there are greater than 500K files in one directory, ...
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All hard drives vanish in Windows 10

The title says it, but here's some more detail. All my hard drives (any mounted volumes, actually) suddenly vanish from my computer. For this period of time, I can browse directories, open files, etc. ...
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26 views

Connect USB storage device to 2 devices (Arlo hub and router) at the same time

I have a USB storage connected to my Arlo Pro Hub. I would like to acces the USB local storage without having to walk over to the hub, unplug the USB local storage, plug the USB local storage into my ...
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What's happening when I create a file in a “NTFS compressed” directory?

What's exactly happening? The files appear in the UI as compressed. Is it? If so, is it written twice (like, uncompressed version of the new files is stored, as a buffer, and compressed then (so ...
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How to best store an internal HDD for long-term backup

I have an HDD which I plan to use as backup media for some of my files; that is, I intend to not use it regularly. It's an internal 3.5" drive. My question is: How should I best store it? That is, in ...
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How can I transfer files to d drive?

I have a new laptop and my c drive is almost full so I've noticed there is a completely empty d drive so naturally I went to the settings to try to save my files there, but after going to "storage" -> ...
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How do 240 GiB fill up a 1 TB drive?

I just got the message that: Fehler: Partition / ist überfüllt: 6009 Blöcke werden benötigt, 0 Blöcke sind frei Fehler: Konnte den Vorgang nicht durchführen (Nicht genug freier Festplattenspeicher) ...
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k8s: adding a sidecar to an existent POD/Deployment?

Is it possible to add a sidecar container to an already created (active) POD/Deployment?, if so, how can I do it? My original problem is: I have a Deployment running and using a PV claimed as ...
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Speed comparison: SSD via Thunderbolt vs internal HDD

Im editing ≈75MB RAW Files with Lightroom. I have those files stored on multiple internal HDDs. To be honest: This was pretty slow. Clicking through those images and zooming in one to one takes a ...
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Why does my Dell EMC PowerVault ME4 4024 not provide the correct amount of storage?

I am configuring a Dell EMC PowerVault ME4 4024 with 10 11TB drives, using RAID6. In the management software it shows that we have 88TB available, the expected 20% reduction, but when the ME4 is ...
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eMMC spare capacity calculation

I'm lead to believe that eMMC capacity is defined in the same way as other mass storage technologies, i.e. 32GB is 32,000,000,000 bytes. The accessible address range of this 32GB device is 0:57,671,...
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81 views

Sequentially fill-up drives unRaid-way

Is there a linux tool or script that will enable me to fill hard drives sequentially like with unRaid and grow my volume by adding drives when needed? I'm not after redundancy here. It should put ...
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Importing a foreign RAID config failing on incomplete configuration

We had a RAID card failure type situation, which was previously configured with encrypted drives. The card is LSI MegaRaid SAS 9286-8e with OS running Cent 7.7.1908 We swapped in a replacement card, ...
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82 views

Best way to create a single logical volume with redundancy with heterogeneous set of discs?

I am using an ubuntu 18.04 computer in which I want to have a single logical volume (seeing all my drives as a single unit) but also having at least 1 drive fault recovery. I have this setup in order ...
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151 views

How to check content of a Bitlocker encrypted disk remotely without unlocking it on host computer

I recently lost some of the data and the backup disk is at my home. At this point, I only want to check if the backup disk contains a specific directory or not. My family member is not too technical, ...
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No space left on device OS error [Errno 28] when running python script. However, space and innodes are available

I am running a python script which generates jpegs images from svs files and I am getting the following error. I am running scripts from /home/ubuntu which is on /dev/xvda1 File "./scripts/...
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Storage pool disappeared after added one disk on windows 10

the system, windows 10 pro, works fine in the last few months. After I just added the second disk, the storage space panel shows unrecognized configuration. I restarted the system and everything ...

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