Questions tagged [external-disk]
A storage device attached to a computer, but not enclosed within the computer's casing
1,217
questions
0
votes
0
answers
33
views
One of my Macs suddenly fails to read U-disk
One of my Macs suddenly fails to read my U-disk. I have restarted the machine several times it still shows "0 items, 102.11 GB available".
While my other Mac can read the u-disk without any ...
- 727
2
votes
1
answer
113
views
How to debug slow harddrive read/write speed on Mac?
I have been using multiple units of WD 5TB external hard drive with my macOS 10.13.6 on a 2018 MacBook Pro 15-inch.
I realised that it is almost always the case that read/write speeds drop when the ...
- 365
0
votes
0
answers
29
views
External HDD killing MacBook Air, causing kernel panic attack, then unstoppable shut down mounting HFS+ from a partition on the drive
External portable HDD connected to iPad Pro M1 is only displaying 2 of 4 partitions suddenly. When connected to MacBook Air 2015 (running most up to date OS as the model can - maybe Catalina…?), the ...
0
votes
2
answers
51
views
"Untitled" can't be opened because the original item can't be found
Currently, my external SSD can be mounted and showed in finder sidebar. But, I can't open my disk and "Get Info" option is missing, then this error came.
Here's my disk info.
I tried:
...
1
vote
0
answers
80
views
How do I install High Sierra on APFS external hard drives?
How do I install High Sierra on APFS external hard drives?
I only want to boot High Sierra off the drive on RARE occasions, for testing purposes. I don't care how slow it is, bad performance, etc.. ...
- 31
0
votes
0
answers
41
views
Pls help: encountered "input/output error" while trying to duplicate (medical) CD
I have a medical CD that needs to be duplicated (explanation below).
While trying to create a disc image, Disk Utility encountered an "input/output error". The complete message was "...
- 255
0
votes
0
answers
87
views
Disk recovery: Error: -69461: Unable to get VEK info for an APFS Volume which is marked as encrypted in the IOKit Registry
I'm trying to recover the contents of a backup disk. It is an encrypted APFS volume with 3 containers. The disk itself is probably okay - SMART reports no problems, and a quick 2 minute disk scan ...
2
votes
0
answers
128
views
Cannot boot a MacBook Air M2 from an USB drive
I tried installing several macOS versions (Monterey, Ventura, Sonoma) on a Samsung USB-C drive (MUF-256DA) using a MacBook Air M2.
I disabled the MacBook's security from the startup options (recovery ...
- 209
0
votes
0
answers
67
views
How to eject physical external NVME Thunderbolt enclosure on M1 Mac so it doesn't show in diskutil list / Disk Utilities?
I have an external NVME enclosure with 40Gbps Thunderbolt 4 connection (Acasis TBU405 M1 Pro) with a Samsung 980 Pro 2TB installed, connected to the M1 Mac Mini (2020) Thunderbolt port, running Sonoma ...
- 189
1
vote
1
answer
204
views
Should I install High Sierra in external SSD in iMac 2017 model for good performance or I can install latest version as well?
I have an iMac 2017 version with HDD and no fusion drive. HDD has slowed down so I am planning to use an external SSD. In my earlier question a generous user told me that in my model of iMac High ...
- 123
0
votes
0
answers
22
views
Can too many devices on one USB-C port damage the port
First of all, I know what I had was not a good setup so I changed it. I had two external USB 3.0 2.5" HDDs permanently connected to an passive USB HUB for a long time. Neither the HUB nor the ...
- 329
1
vote
1
answer
21
views
2018 Mac Mini Can View Some But Not All Files On External Hard Drive [duplicate]
I just bought my first Mac which is a used 2018 Mac Mini with a Core i7 running Ventura 13.5.2. I plugged in an external hard drive which is formatted in NTFS; very strangely it is able to view some ...
- 111
0
votes
0
answers
93
views
Disk Utility fails to erase new SSDs on iMac 2012, but succeeds on MacBook 2009 (both 13.5.2)
The initialisation of my two new SSDs failed.
I tried this on two systems, both with OCLP, macOS 13.5.2
MacBook late 2009 6,2
iMac 27" 2012 iMac 13,2, Time Machine switched off.
On the Macbook ...
- 1
1
vote
1
answer
34
views
df reports strange inode info
On my external hard disk I did a
df /Volumes/HD_INTENSO
and got
Filesystem 512-blocks Used Available Capacity iused ifree %iused Mounted on
/dev/disk3s1 1953038208 425524480 1527513728 22%...
- 680
2
votes
0
answers
53
views
How can I get Time Machine to back up the Photos library that lives on my external drive?
(I see that this has somewhat been brought up in other unresolved questions, but I've gathered information that I think justifies it as a new question.)
As with a lot of people, my on-board Mac SSD ...
- 2,346
2
votes
2
answers
93
views
USB Flash drive not mounting (shows up in diskutil)
My 16 GB USB flash drive works perfectly on Windows and Ubuntu OS. On plugging into my Macbook Pro, I don't see it fully mounted.
On running
$ diskutil list
I see the following output
/dev/disk5 (...
2
votes
1
answer
94
views
Why do external Time Machine backups appear on internal drive in /Volumes/.timemachine?
I'm trying to use Time Machine to back up my Mac (Ventura 13.5) onto an external SSD ("BackupSSD"). Strangely, most of the backup folders appear to be on the internal hard drive in /Volumes/....
- 133
2
votes
1
answer
297
views
How do I replace my smaller Time Machine Drive with a New Drive on macOS Ventura (Encrypted)
How do I format my New Drive and Move the old backups from my Old Time Machine?...
Now it would seem straight forward at first with a simple drag and drop from old to new drive, but my old drive is ...
- 135
0
votes
0
answers
19
views
External HDD disconnects (new cable)
I use an external HDD to keep original raw photos. When I’m processing a large queue of photos, the HDD routinely disconnects. It may work for up to 20 minutes, then the volume is gone (in fact, ...
- 238
0
votes
0
answers
41
views
Python script unable to access external drive under cron
My desired cron job consists of a bash script that does the following:
Create a new Python environment (with a new python executable)
Use that Python executable to run a Python script, which accesses ...
0
votes
1
answer
67
views
On Ventura do I still open a .itl file after Option-clicking on the Music app?
After a few steps:
Connect external drive to (old) macOS running Big Sur.
Format drive (APFS).
Still on macOS running Big Sur: cp -pr ~/Music /Volumes/MyDisk/
Connect external drive to (new) macOS ...
- 305
0
votes
0
answers
26
views
There is an extra "volume" in /Volumes with a similar name to an external hdd, that persists even when HDD is disconnected
Here is the output of terminal with external drive connected:
eric@Mac f0 % cd /Volumes
eric@Mac /Volumes % ls
Backup Macintosh HD Heiffer Heiffer 1
eric@Mac /Volumes % ls -al
...
- 41
0
votes
0
answers
52
views
Disk utility needs TLC to show drives?
It seems that in my macOS 13.4.1 (22F82), Disk Utility 22.6 (DU) cannot find an external drive until an OS reboot. Maybe I'm missing something.
A: 30GB Hitachi, 2.5", IDE
B: 30GB Toshiba, 2.5&...
- 4,670
0
votes
0
answers
36
views
The attached disk cannot be read from this computer. No treatment/recovery. Is there a way to fix an external hard drive without data loss?
Currently I'm using 1TB of SanDisk Proportable SSD.
Actually, this SSD had a lot of problems.
At first, it was used as exFAT, but an unrecognized situation occurred on the Mac, so it was recovered ...
- 1
0
votes
0
answers
12
views
external HDD raid box - works for admin user, does not work for non-admin user
Total apple/macOS noob here, please be patient.
I have a colleague with a macBook Pro running the latest macOS. For this user I have bought an external HDD box housing two HDDs which run in a raid 1 ...
- 101
0
votes
0
answers
62
views
Best way to import user profile on Mac from external HDD after data recovery on Windows?
For an iMac that had a crashed fusion drive due to damages in fusion data structures, I had to perform a data recovery on Windows.
From the data recovery software, the user profile (let's call it &...
- 405
3
votes
1
answer
377
views
Incorrectly ejecting archival drive: how worried should I be?
I have a small WD Passport 2 TB HDD on which I’m backing up important and irreplaceable files. It’s not the only backup but as one of three it’s important. It has about 1 TB of data in it.
I closed ...
- 289
1
vote
0
answers
111
views
Cannot Access my Files on External APFS SSD in "Other Volumes"
On my external SSD, which is formatted as APFS (Case-sensitive), there are a lot of important personal files (around 219 GB).
When I plug the drive into my MacBook Pro (M1 Pro, 2021) and open it in ...
- 11
1
vote
0
answers
30
views
How can I check what's wrong with USB stick?
I plugged a USB stick into my MacBook 5 minutes ago, put 4 files on it.
After putting the files on it, I ejected the stick inside of Finder, waited for that to complete successfully, then took it out ...
- 8,602
2
votes
1
answer
978
views
How to discover/choose RAID "Chunk Size"
question:
when using Disk Utility to create a RAID 0 of two external HHD's, it asks to choose a Chunk size. the options are: 16K, 32K, 64K, 128K, or 256K.
i would like to discover what another two ...
- 489
0
votes
0
answers
130
views
What is currently a good way to format and encrypt an external drive so that it's usable on both Mac and Linux?
I've looked at the threads on this, noting that there doesn't appear to be any new discussion since 2019.
I would like to be able to encrypt an external drive, but still have it readable across ...
- 874
0
votes
2
answers
95
views
How to increase transfer speed from problematic external hard disk?
I have a Western Digital HDD 2 TB external hard disk. I had not used it for a while.
It seems the drive has been corrupted and turned a bit raw. I believe this to be the case because the hard drive is ...
- 11
0
votes
0
answers
58
views
Disc Not Ejected Properly… over and over
Since I neither eject nor turn off any external drives overnight, I find it odd that most mornings I get a stack of these notifications.
I have 4 external LaCie drives permanently running. Is this ...
0
votes
2
answers
138
views
External USB hard drive unmounts itself after an hour or so left idle
This is in connection with the other thread I started today.
I have two external USB drives plugged into a Mac Mini (late 2014), running Yosemite. One of them is an SSD (SanDisk), and the other is a ...
- 874
0
votes
3
answers
235
views
Is there an easy way to automatically schedule a move of files matching a certain pattern from a user directory to a USB drive?
I'm looking to automate a backup process that involves transporting backup files (with names in the form "*.savf") first onto a Mac Mini (running Yosemite), and then, once they're on the ...
- 874
0
votes
2
answers
88
views
Most important tips to protect an external drive on Mac?
Without taking information security tips in general, such as backups, what are some important tips and precautions to protect an external drive when using a Mac?
0
votes
0
answers
21
views
Copy files instead of move for external SSD - how to restore default behavior
I have an external SSD that MOVES files instead of copying when I drag them off the disk. Usually, I would expect to hold command for a move. How can I restore the default behavior of copying instead ...
- 111
0
votes
0
answers
19
views
External harddrive enclosure not recognized by MacOS [duplicate]
I have an external hard drive enclosure, which contains two 3.5'' HDDs in a Raid 1.
Windows and Ubuntu are playing nice with it, however, my MacBook (13.2.1) does not recognize it. It isn't even ...
- 101
2
votes
1
answer
169
views
Why can I not login after updating to macOS 13.3?
After updating to macOS 13.3, I cannot login. My username/password seems to be accepted, but then I get a blank screen (with wallpaper) with a circular spinner. My home directory is on an external ...
- 140
0
votes
0
answers
115
views
External drive twice as big as internal hard drive but cannot backup due to insufficient space
For now more than 2 weeks, I cannot backup my internal hard drive with Time Machine. I have backed up to 2 external hard drive (external hard drive number 1 and 2) that worked fine so far, but the ...
- 514
1
vote
0
answers
16
views
How to prevent macOS from popping up "disk not readable" for my external drive without making any change to the disk? [duplicate]
Similar question: How to get rid of "The disk you inserted was not readable" and auto ignore it? (without installing apps). However, in their case they were able to create an additional ...
- 121
0
votes
0
answers
81
views
Installed Mac OS on external drive but OS updates install onto the internal drive
I want to install the latest Mac OS on an external NVME SSD. My old fusion drive is running slow.
However, in the past whenever I've done this, ive found that whenever there was an OS update my Mac ...
- 1
0
votes
2
answers
456
views
Finder is blocking when trying to eject external disk
I wrote a simple AppleScript to eject external disk (simply by "tell"ing Finder to do "eject") and it works as expected in simple cases.
However, when some Finder window is opened ...
- 151
1
vote
0
answers
60
views
A few folders went missing after “Disk Not Ejected Properly” when my Mac went to sleep
I have an external hard disk in exFAT format (WD 500 GB WDBPCK5000ABK-03) for storing important documents.
Last week I plugged it to my Macbook Pro to view some documents. After viewing, I did not ...
- 123
1
vote
0
answers
105
views
Is an APFS formatted drive underpinned by HFS+?
When I formatted my drive with APFS this is the output that Disk Utility delivered. It says right at the beginning Formatting disk7s2 as Mac OS Extended (Journaled) with name External HD. So is an ...
- 1,333
2
votes
1
answer
774
views
Unable to mount FAT32 drive on macOS: com.apple.DiskManagement.disenter error -119930868
I have a USB drive that I formatted on a Windows system. I want to read the data on my Mac, which is using macOS 12 Monterey.
However, the drive does not mount when I plug it in. Using Disk Utility to ...
- 8,393
2
votes
0
answers
99
views
External SSD partition map damaged, can't format (69773/found zeroed-out block/69623)
So my external SSD (1TB Samsung 970 evo plus in an Orico TB3 housing) died. I unmounted it but probably didn't wait long enough and unplugged the drive before completing the unmounting procedure. So ...
- 21
0
votes
0
answers
73
views
External disk not readable in different enclosure
I have two external disks with the same size and type of hard disk inside.
The LaCie hard disk is used for Time Machine backups. When I put the LaCie Time Machine disk into the Seagate enclosure, it ...
- 91
0
votes
0
answers
372
views
How can I get Jenkins to access to files on an external drive
My jenkins server is running on macOS Monterey, I believe this is important because my older server on macOS Catalina has no such issue.
I have some files on an external drive which I can access and ...
0
votes
0
answers
176
views
Why can't I copy my Time Machine (Sierra) Backup to an External (Case-Sensitive) drive?
I'm currently using my old iMac while my newer Mac is off for repair, and have come across an issue I never have before.
When attempting to back up a copy of my newer Mac's 'APFS (Case Sensitive)' ...
