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Questions tagged [hard-drive]

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

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2answers
823 views

Resize APFS Container

I've just been able to reassign the correct format to my SSD to APFS, see this question. however I notice that my Container isn't set to the proper size. I assume this is because the drive previously ...
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1answer
55 views

Deleted Bootcamp partition through disk utility and messed up everything

I deleted my bootcamp partition to redo the whole process to make a higher capacity windows system. Then I tried bootcamp again and it says "Your disk could not be partitioned" and "An error occurred ...
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1answer
997 views

Upgrade from High Sierra to Mojave corrupted my partition table, unusable MBP

It's a long post, but I am listing everything I have done so far. I performed an upgrade to Mojave (day one release from App store), the app installed and I ran through the setup steps, I left it ...
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1answer
147 views

Why won't my USB drive power down on eject?

I've just upgraded from High Sierra to Mojave. I have a Lacie Porsche USB-C drive that I use for Time Machine backups. In High Sierra when I ejected the drive, it would power off and I could safely ...
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1answer
131 views

broken partition table after formatting drive with apple file system (apfs)

I wanted to try out apfs, therefore I formatted my external HDD with it. Now the partition table seems broken. How can I reinitialize the drive? My goal is two create two HFS+ partitions, each 1TB on ...
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1answer
184 views

Freeing up space on external hard drive after deleting time machine backups?

I had a external hard drive in use for Time machine, but now use a different one, so wanted to free up the space. I removed the HD from the Time machine backup drives, then deleted the Backups....
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1answer
144 views

Remove all partitions and reinstall MacOS

I want to reinstall macOS but when I tried to repartition everything it only gave me 125 GB to install the OS on even though it's a 3TB drive. I think there may have been some kind of partition ...
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2answers
45 views

Macbook air 100 GB hidden space + error when verifying volume

I used DailyDisk to analyse my Macbook Air (Late 2014, 256GB SSD). Result: 100GB of hidden space => No idea where this is coming from What I tried: - tmutil listlocalsnapshots / => I have no local ...
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2answers
2k views

macOS Mojave: Tried to merge disk partition into primary one and now 20 GB of space is “lost”

SOLVED: My issue is solved. I used recovery mode to erase entire drive and create new APFS disk which was created with correct size. I then used my last Time Machine backup to restore the system. ...
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0answers
40 views

Free Space Differs Between DiskUtility, Finder, TimeMachine, and Storage Tab

The actual question: Time machine calculates the size of my backup as 925GB, while diskUtility shows only 858GB is used, while OmniDiskSweeper and GrandPerspective apps show that I am only using ~...
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1answer
144 views

external hard drive still shows in disk utility after it was removed

I unmounted and removed my backup disk called TimeMachine, but it still shows up in the disk utility app. I tried running $ diskutil unmount /dev/disk3s2 and $ diskutil unmountdisk /dev/disk3 ...
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0answers
27 views

Restoring the RAW external backup drive Time Machine backups

My external hard drive suddenly started to be recognised as one RAW partition. This drive had all of my Time Machine backups. With EaseUS Data Recovery software I was able to recover Backups.backupdb ...
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0answers
29 views

Accidentally erased APFS partition while resizing Windows Bootcamp disk

This is my first post here. I recently wanted to add some more space to my windows' partition so I shrunk Mac HD by 60GB and rebooted. I then used windows to join the unallocated space with its ...
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0answers
159 views

Network Hard Drive not showing up in Time Machine Menu

I have followed this tutorial and set up a time machine with my raspberry pi. Everything was working fine until some day I arrived home and my daily backup failed because the time machine could not ...
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1answer
287 views

What is a free alternative to something like Daisy Disk, for finding out what is hogging your MacBook hard drive? [closed]

I suddenly lost a bunch of hard drive space...Has anyone had good success with a FREE Daisy Disk alternative that graphically shows the disk usage that you can recommend? Thx.
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0answers
165 views

Possible to boot Mac Pro from two PCIe M.2 AHCI PCIe SSD in RAID 0 on macOS High Sierra?

I have an M.2 AHCI PCIe SSD and I am considering purchasing a second one to install both in a 2009 Mac Pro in a RAID 0 configuration using Disk Utility similar to the setup in this video. I have used ...
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1answer
36 views

Mac Mini 1TB HDD being 100% full - cant mount, cant boot

I just unburied an old 2007 Mac Mini Server which I had put a 1TB drive into. I had kinda forgotten why it broke, but after a while I remembered...the hard way. That Mac's hard drive is so full and ...
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2answers
268 views

Can't get write permission on external hard drive when exporting from Lightroom

A few days ago I bought a new 2018 MacBook Pro which is running macOS High Sierra 10.13.6. I have been a Windows user till then. After I edited my photos on the new Mac in Lightroom, I plugged in my ...
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1answer
107 views

How to merge two partitions

How do I merge disk0s2 and disk0s4 I followed this thread and at step 3 I get the following error Error: -69519: The target disk is too small for this operation, or a gap is required in your ...
2
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1answer
319 views

Disk Utility First Aid Fails on Time Machine Disk

I've been backing up my Mac with Time Machine on an external hard drive for several years. I recently plugged the external drive into my Mac, it spent a long time running fsck_hfs and finally showed ...
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1answer
34 views

USB Flash Drive as a main hard drive (Macbook Pro Retina 13" Mid-2014)

My hard drive on my mac has died. It became clear as I had the hard drive replaced at a repair shop that the problem is somewhere on the motherboard, thus uneconomical to fix. However, the repair shop ...
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0answers
71 views

iMac Memory and Performance Issues

I have a 27 inch late 2012 iMac with 32GB of RAM and a 3TB Fusion Drive. The hard drive was replaced in June 2017 so only has a year of wear on it and should thus be in good condition. For the last ...
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1answer
199 views

Erased disc incorrectly now I have “Apple ssd ap0128J Media” instead of Macintosh HD and broken software

I was preparing my laptop for a sell and booted into recovery mode. I then went into disk utility, selected my Macintosh HD and erased it. When I rebooted I got stuck on a screen with a "prohibited" ...
2
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1answer
325 views

What Would Cause APFS Volumes to Show Up Under the Wrong Disk?

I’ve got a pretty interesting APFS problem. There are two volumes on one, internal drive, and two that were cloned from it, on an external. All four volumes show up under the internal drive, even ...
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2answers
760 views

Strange available and purgeable space on High Sierra

My Mac has been complaining about low disk space in recent days. I tried deleting lots of huge files and folders (more than 20 or 30 GB of them) but I still got the complaint and the free space does ...
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3answers
900 views

How many writes do I have on my 250GB SSD hard drive on my Macbook Pro High Sierra

I would like to know how many writes I have on my Mac's SSD hard drive? I would also like to know if there is a terminal command I can run to find out this information and how many writes I have left ...
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0answers
42 views

Terminal not working correctly inside external NTFS drive High Sierra

I would like to write to my NTFS drive that I used to use with a Windows computer. This Hard drive is an external portable hard drive. I have tried to follow this tutorial: and have read this post: ...
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0answers
18 views

MacBook Pro internal Hard Drive booting up in READ-ONLY Mode

I just recently replaced my mid-2012 MacBook Pro's HDD to SSD. I used SuperDuper! to clone my disk into the new SSD and everything seemed to have worked fine, until some repeated boot ups. What I am ...
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1answer
746 views

Slow write speeds with APFS encryped external SSD

I bought an external SSD with a USB 3.1 gen 2 enclosure. I'm on macOS 10.13.6 with a MBP (late 2013). Using APFS I get write speeds of around 390–405 MB/s. So far, so good. However formatting the ...
1
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1answer
41 views

What is the most efficient and reliable method for transfering/copying a large number of files from one external hard drive to another? [duplicate]

I have an NTFS external hard drive with ~300GB of data on it, and I'd like to be able to start writing to this drive without having to use any third-party software or other hacks/workarounds. I've ...
3
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1answer
1k views

Missing Firmware Partition after NVRAM reset in MacOS High Sierra

Maybe someone can help me. Earlier today, I was working on my MBP and it wouldn't read my external flash drive, yet it read it last night before I ejected it. However, today it wouldn't find it. I ...
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2answers
180 views

External SSD with OS installed not working?

Four months ago I bought an external SATA case with USB-C compatibility so I can install my iMac OS there, did this because my iMac has built in HDD and was so slowww.. With the case I started using ...
3
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1answer
157 views

APFS Volume Total Shows Less Free Space Than Container and How Can I Reclaim Space

So I have a bootcamp volume which has windows installed on it. I used MiniTool partition wizard to shrink the bootcamp size from 60 GB to 40 GB to reclaim 20 GB for my Macintosh HD. That operation ...
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1answer
27 views

External HDD (Apple_HFS) not recognised by Finder under Sierra 10.12.6

my external HDD (used for TM backups and some other stuff) suddenly stopped working with my MBP 2017 (Sierra 10.12.6). I can see it only through the Terminal (see screenshot 1) DiskUtility won't load ...
3
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1answer
55 views

Best practice/OSX software for managing Hard Drive archives

I have two dozen bare hard drives (3.5" and 2.5") which are used as long-term storage for personal photos, videos and documents. Most files are duplicated across at least two drives. For the most part,...
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0answers
72 views

Multiple kernel panics caused MacBook Pro 13'' Mid 2010 13'' to not boot anymore

For the last months I have had a problem with my MacBook Pro crashing when I applied pressure on the back described here in more detail: MacBook Pro Mid 2010 13" freezes/restarts when applying ...
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0answers
28 views

Heavy download folder, but its empty

MacBook Air (13-inch, Early 2015) running High Sierra 10.13.6: I'm trying to make space on my mac, and I found out that my download folder is 30GB heavy but there is nothing in it... What can I do?
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2answers
71 views

How To Let My MBP know that a USB is bootable?

I have got Unetbootin and have put the files onto my drive which is properly formatted as MS-DOS(FAT) and GUID. I have several folders and files: [BOOT], boot, casper, dists, EFI, install, isolinux, ...
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0answers
21 views

Faster or Bigger? [duplicate]

I had my question put 'on hold' because someone deemed it opinion oriented, so I'll rephrase it - For video editing, is it better to have a faster hard drive or a larger one? I hope to learn editing ...
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0answers
78 views

Is a DiskWarrior warning about spare blocks applicable to SSDs?

I got the following warning from DiskWarrior on my Mac Pro in which I installed a SATA SSD: I know some sort of reassignments are normal on an SSD as it comes from the factory. However, I don't know ...
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4answers
600 views

Can I use any other PCIe SSD in Macbook Pro 15 (Retina, Late 2013) with or without adapter?

I have **Macbook Pro 15 (Retina, Late 2013) ** and want to use any of the following non-expensive but fast and easily available SSD's. List of SSD's I am looking to purchase. (1) https://www.ebuyer....
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1answer
280 views

how to prepare two SSDs after upgrade (merge to fusion drive or not, terminal commands)

I just upgraded the CPU of my 2015 27" Retina iMac and while I was in there I took out the 1TB HDD and replaced it with a 512GB Samsung 850 Pro SSD. Now I'm ready to set it all up, but I'm not sure ...
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1answer
501 views

Difficulty to inherit Time Machine backups on new MacBook Pro

I'm having difficulties to inherit Time Machine backups on a new MacBook Pro. I've read many Q&A on the same topic, but none was a solution for my case (that's why I don't think this is a ...
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2answers
49 views

Does booting a 2015 iMac from an external disk require “touching” the internal disk?

The hard drive (a Fusion Drive) on my 2015 iMac has become badly corrupted, possibly getting into that state via some incompatible ram that had previous been installed in it. (The ram was removed and ...
4
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1answer
110 views

External hard drive encryption using Disk Utility

I'm looking to encrypt an new external hard drive via disk utility (Mac OS Extended | Journaled Encrypted) as shown on https://www.youtube.com/watch?v=FvfrIyS1K04&frags=pl%2Cwn. Will this drive ...
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0answers
41 views

How often does the Recovery Volume mount itself?

From my understanding about the new APFS System for macOS High Sierra, the Recovery partition disk1s3 will shortly mount and unmount itself to check for updates in the background. Ive noticed from ...
2
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1answer
71 views

Whole drive gets wiped when attempting to re-format as NTFS for Windows

I am attempting to install windows 10 using Boot Camp on my 2014 13" MacBook Air with 256 GB of hard drive. Everything goes well untill I reach the Windows install screen. I select my language, ...
2
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0answers
302 views

Bootcamp stuck at partitioning disk, lost half my disk space

recently I attempted to install windows on a macbook air 13’ mid 2014 256GB using boot camp. It was going well until it got stuck at the partitioning disk step, the blue loading bar was full and my ...
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0answers
258 views

Why is the replaced ssd in my MacBook Pro working on PCIE 1.0 not 3.0

I replaced the SSD in my MacBook Pro 15" mid-2015 with a 1TB Samsung 970 pro. Following the instructions here: the question about SSD replacements of MacBook Pro, it should work on PCIE 3.0, but now ...
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1answer
27 views

Why is macOS forcibly renaming my USB drive?

I have a USB Drive named "Cuthbert", and various apps use paths starting with /Volumes/Cuthbert when it is plugged in. However, my laptop is putting it at /Volumes/Cuthbert 1, and won't let me rename ...