Questions tagged [hard-drive]

A hard drive is a device for permanent or long-term storage in computers.

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Two (2) macOS Base Systems?

I found this: Filesystem Size Used Avail Capacity iused ifree %iused Mounted on /dev/disk1s5 233Gi 10Gi 111Gi 9% 488255 2447613065 0% / devfs 342Ki 342Ki 0Bi ...
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Cannot re-allocate free space to main disk

I have a Boot Camp partition that I wanted to make smaller, so I would have more space on my main macOS container. I followed this tutorial, but I'm struggling with the last step. I successfully used ...
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2017 Intel 4K iMac, broken FileVault decryption

macOS Monterey on a 2017 4k Intel iMac. A week ago I turned FileVault on by mistake, so after it finished encrypting the drive I went straight to decrypt it. Then I assume that near the end of the ...
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How to use Disk Utility on external harddrive - Photos Library is stuck at updating

I'm having this problem: (Apple Photo's Library from Mojave to Monterey looks stuck on updating). I came across this (Photos: "Updating Library..." is stuck, library seems bricked) and ...
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Finder corrupt files on copy to external ssd

Problem: sometimes finder corrupts my files when copying to external ssd. Reproduction methodology: copy via finder file to external ssd, then check this file md5 -q ~/Downloads/path/to/source md5 -q /...
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Macbook Pro Can't Boot From macOS Monterey of External SSD

I have recently decide to install dual OS (macOS and Windows 10) on this newly bought SSD to run both Mac and Windows on my Macbook Pro 2017. What I did was, Disk Partition on Windows. Got three ...
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External Thunderbolt SSDs not showing space after deleting files

I have two external Samsung X5 2TB Thunderbolt 3 SSDs. Both of them work fine after I reformat them. But when I delete files (and empty the recycle bin), the space on them does not increase. In ...
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Manually Decrypt Partially Cloned APFS Volume

I recently attempted to clone a failing external drive to a new external drive. The clone failed part-way into the process. The original drive hardware has now fully failed, so I'm trying to recover ...
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What to do when mounting APFS from thumbdrive suddenly shows error and Disk Utility First Aid unable to fix

Seems like my APFS on my 512G SanDisk USB has gone corrupt. diskutil list /dev/disk0 (internal): #: TYPE NAME SIZE IDENTIFIER 0: ...
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High Sierra Time Machine back up disk unusable

I recently switched out my old Seagate Barracuda HDD for a OWC SSD 3G in my late 2009 iMac 27", fantastic results. But when restoring from a Time Machine back up made just minutes prior opening ...
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3.5" SATA Seagate Barracuda not mounting via USB adapter

I have a late 2009 27" iMac which I upgraded with a OWC SSD kit. Fantastic results, I highly recommend it, feels like a new machine. But I was facing problems restoring from a Time Machine back-...
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Cannot access USB Hard Drive ExFAT in macOS Finder, greyed out in Disk Utility - Filesystem scan or repair failed::(-69845)

Today I was working in my USB 6TB WD_BLACK on MacBook Pro 14" M1, everything was working fine, removed it, sometime later I tried to connect the HD again but it won't show, this is the second ...
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What is the process to replace a hard drive in a Mac Mini?

I have a 2011 Mac Mini whose hard drive I would like to upgrade, because it's a bit small, old and slow. I got a 2TB SSD drive and would love to clone my current HD that has my OS on it and everything ...
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Recover HFS volume, missing partition UUID

I am attempting to follow the answer post at https://apple.stackexchange.com/a/231027. However, the third partition does not have a listed UUID. Instead, I have the following. start ...
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WD Hard Disk not Mounting/First Aid not Running

My hard disk has decided to not mount anymore. It has a partition, one I use for Time Machine and the other I use for storing files. This is what diskutil list looks like. Is my work all gone? ...
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Can I test multiple disk simultaneously? (In disk Utility or a third party program)

For example, if I have multiple USB drives, an SD Card, an internal SSD, and multiple external SSDs and HDDs connected to a mac, I would like to save time and run First Aid/Repair/Erase/etc. on ...
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Fixing mac bootcamp boot to windows after formating a disk

I have an old iMac (21.5-inch, Mid 2011) and I wanted to give it a new life with a new SSD. I've installed both Mac & Windows on the SSD and life was good. Then I decided to format the old HDD to ...
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How can I backup just user data to an external drive that anyone can read?

I'm trying to back up a mac for a friend who move and left her 2020 iMac 27 (intel) with me. She is having me send her the data from it and then sell the mac. The 1TB SSD iMac hard drive is in APFS ...
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Which HDD controller drivers for win 10 Install on MacBookPro5,5

I am trying to install Windows 10 on a MacbookPro5,5 for a friend, directly from a USB Flash drive. Setup Asks for a driver to properly detect the Hard Drive. What do you do in this case? I extracted ...
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Prevent reboot on mount

After dismissing the notifications for months I finally let macOS upgrade from Mojave to something more recent, I think Catalina. The process failed, and I get a black screen at startup. After trying ...
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Accessing macOS 10.13.6 High Sierra Time Machine backup drive on macOS 12.3.1 Monterey

I have a Time Machine backup from an older 2010 iMac running macOS 10.13.6 that I would like to access from my new Mac that's running macOS 12.3.1. When I connect the drive to my new Mac, the drive ...
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How to monitor hard disk busy time?

I want to monitor hard disk busy time (as a percentage) to find out when the disk is causing a bottleneck in my workflow. On linux / BSD this can be done with iostat -x to see extended statistics ...
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Reclaiming partitions after old Linux installation

A long while back I recall installing Linux on my macbook. I have since deleted it, but the partitions on my disk are somewhat screwy. I cannot reclaim the free space to my main Macintosh HD partition ...
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I cannot install Windows 10 on my Bootcamp partition

I have used Bootcamp assistant to partition my Mac mini. Then I boot up using my Windows USB drive with EFI boot. I can get to the part where I can see "Drive 1 partition3: Bootcamp" ...
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What SSD drives are compatible with a 2011 Mac Mini? [closed]

I currently have 2 x 1Tb hard drives in my Mac Mini, but would like to upgrade them to make the computer faster. Are there some 1Tb SSD drives that I should avoid? Are there some that are recommended? ...
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Startup Disk Got Missing

Firstly, I really apologize for what I've been doing so far on my MacBook Pro 2015. I was trying to install a Kali dual boot on my Mac, and this is what I did before my MacBook didn't boot up my ...
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Resetting drive data to test com.apple.TimeMachine DoNotOfferNewDisksForBackup

I'd like to be able to test automated disabling of TimeMachine asking to use a new drive. It's also made me curious about how macOS/OSX identifies "New Disks" vs ones it's seen before, and ...
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nvme gen 4 on mbp 15" mid 2015

About two years ago I updated the original 256gb ssd on the mbp 15" mid 2015. Installed a transcend 855, 960gb nvme gen 3 x4. In contrast the original have the following specs: Vendor: Apple ...
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I just inherited an older, used Macbook Air and I'm cleaning it up for use. Why does HD only show 30 GB when it should be 121 GB? (See photo within.)

As the title mentions, I received an older (Early 2014 MacBook Air OS X Yosemite) from my daughter when she bought a new MacBook. I'm not very knowledgeable on Macs but I know some basics. The 'About ...
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How to keep external HDDs spinning (prevent spinning down) on macOS?

I’m using M1X MacBook Pro 16 inch (2021) running macOS Monterey 12.3.1 with 4-bay hardware RAID enclosure from QNAP (TR-004) holding four 10TB Toshiba HDDs. The enclosure spins down the HDDs soon ...
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Change the duration of "Put hard disks to sleep when possible"

In general, the "Put hard disks to sleep when possible" function is very helpful to extend the hard drive's lifespan, but in large, it becomes a problem. Due to how hard drives work, if you ...
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What is system data and how to make it take less place? [duplicate]

My mac has a problem that I have a system data that it seems every time I look at it, is a little bit bigger. It now got to almost 60gb, half my hard disk. Even with system scan tools, I can't seem to ...
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Fusion Drive - Partition and Excessive Free Space Combined is Greater than Actual Storage Capacity

iMac 2017 1 TB HDD 28 GB SSD Fusion Drive Recently, I decided to do a clean install with diskutil erasedisk, reformatting through disk utility, and resetting the Fusion Drive to wipe everything after ...
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Failed macOS 12.3 update

This morning after Time Machine did its usual backup, I decided to to the update to macOS 12.3 on my MacBook Pro 13” 2020 (no repairs have been done on this unit). System Update downloaded the ...
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can't erase/restore/first aid disk0s3 apple disk utility

Hi there, I experience a lot of trouble when wanting to free the space previously taken by allocating it to Windows Boot Camp. Now, I cannot erase/restore/first-aid this disk. The main problem seems ...
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Mac Mini (Intel)'s disk has very large read/write

I bought a Mac Mini (Intel CPU) about two years ago, and its disk "percentage used" is already 12%, and there are 160TB write (and 150TB read). Compared with other programmers, seems that ...
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Installing BootCamp on a Late 2014 iMac

I'm trying to install Windows via BootCamp on a Late 2014 iMac, so far to no avail. First attempts, to external drive First I attempted to install it to an external drive. I already have a working ...
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2 votes
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How to delete redundant disks on disk utility

I reinstalled my OS a couple of times and ended up with many redundant disks as you can see in the picture: I want to get rid of them. Of course, I tried the following diskutil commands: eraseDisk : ...
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External HD slow in Finder on Monterey

I have a 2020 MacBook Pro 13-inch with Monterey 12.2.1. An old external HD of mine, a Seagate one from 2009 worked well enough on Catalina and then when I upgraded it to Big Sur; but now, in Finder, ...
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Expanding a Raid 1 Volume

We've got a Mac Pro (2012) that we use (mostly) as a file server. It's a local back up for dropbox files that we keep in a Raid 1 volume. Our Raid 1 array is 2 disks. Over time we've added larger ...
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My Macbook’s internal SSD is dying and throwing errors when transferring files. Should I attempt backing it up myself or send to a professional?

The other day I downloaded DriveDx and found out my Macbook’s internal SSD is failing. The reason is related to wear leveling that’s led to a rapidly growing number of retired blocks and I/O errors. ...
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Am I wearing down my internal SSDs quickly or is it more likely they're wearing out naturally?

A few days ago I learned that my internal SSD is failing. I have a a MacBook Pro (Retina, 13-inch, Early 2015) running Big Sur, and my hard drive is an APPLE SSD SM0256G. I got the laptop in 2017 and ...
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Can't mount sparsebundle that used to be a Time Capsule backup

I used to have a Time Capsule with a backup of all my data contained on its internal hard drive. That internal hard drive broke down and I couldn't access it anymore, so I disassembled the Time ...
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"You Have Custom Permissions" on my external USB

2018 Macbook Pro running Catalina. I have an external 1TB USB drive (Samsung) partitioned into two equal partitions, where I keep mostly media files for work (videos I edit, some graphics, etc.). I ...
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Hard drive not showing in Recovery Mode despite reformat in HFS+

Same issue as related in this thread but I already did the following: Re-created a new GPT (GUID) partition table (using GParted, Ubuntu) Created an HFS+ partition specifically for my MacOS Re-...
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Unable to erase and format new USB drive

I have a new out-of-the-box 16GB USB flash drive and I am unable to erase it in macOS. I've tried via Terminal command, Disk Utility nothing works. This is what I get when I insert my USB drive This ...
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MacBook Pro will not boot

When I turned on the Mac I get three tones, a circle image with diagonal line and wont boot. I restarted it in safe mode and got a text msg. For a couple of seconda, then disappeared, saying Panic 0 ...
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Removed a 50GB Linux Partition with Disk Utility and can't boot into macOS anymore

For a few years, I've had Linux Mint installed on a 50GB partition on my 2015 MacBook Pro. Today, I decided to remove the installation (I needed the extra 50GB and wasn't using Linux Mint anyway) and ...
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Should diskmanagementd be the second largest process writing to my disk?

Just looking through activity monitor and noticed that apart from kernel_task, it is consistently the second process in terms of amount of data wrote to disk. I only ask as I had a disk writes ...
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Is it safe to delete Microsoft-"Clones" from Library/Caches?

I tried to clean up my mac and get back storage. I tripped over a 1,98GB Folder in the Caches Folder containing a Microsoft Excel Application. its in /Library/Caches/com.microsoft.autoupdate.helper/...
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