A storage device attached to a computer, but not enclosed within the computer's casing

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102 views

Lacie Big 5 10tb to be used as external hard drive but want security so: ZFS Raidz?

I've just bought the Lacie Big 5 10th and I want to use it as an external hard drive for my files. I was thinking of making it raid1 but then I heard about ZFS and Raidz. so that I can easily ...
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5k views

Using a second HD and installing apps on external drive?

I am considering adding an extra drive to my Mac Mini (possibly a tower-size one like mentioned here) and keeping it permanently plugged-in, for extra space and to leave the main Macintosh HD for ...
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1answer
453 views

If I temporarily remove an external HD from my Mac, then re-introduce it a few weeks later, will Time Machine back it all up again?

If I remove an external hard drive from my Mac, then re-introduce it a few weeks later, will Time Machine back it all up again as if it were a new drive, or will it just back up the changes that were ...
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461 views

RAID 1 array degraded, now not being recognized by OSX

I've got a pair of Seagate 3TB HDDs in a mirrored RAID 1 array using a Vantec NexStar MX two-drive enclosure. The setup has generally worked fine for the last four months, but lately I've noticed that ...
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2answers
568 views

OS X accessing external drive

I noticed that when I plug in an external NTFS HDD something is reading it and it doesn't stop for a long time... I checked with fs_usage and saw this: 23:26:54.189404 read F=5 ...
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1answer
834 views

External HDD unmounting unexpectedly

An externally-powered WD My Book Essential, 3TB, which I use for Time Machine and other file storage, recently began "ejecting itself" from my iMac. In an attempt to repair the disk from Disk Utility, ...
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1answer
2k views

Disabling creation of unnecessary files on my external hard-drive?

I had an old mac that I decided to strip down for its hard-drive and RAM. I threw a shell on the hard-drive, and now I can connect it to my new mac with a USB cable. Essentially I want to be using ...
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2answers
4k views

Aperture: Library over multiple Hard Drives

I switched to Aperture some time ago. And right now, the moment has come that I want to save some space on my internal hard drive. What I found on the Apple website is this: I can't seem to find ...
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1answer
696 views

Why is my Mac able to write to my NTFS hard drive?

My question is one of confusion. All over the internet I have seen people looking for the ability to use a Mac to write to NTFS, or people formatting drives to FAT32 so that their Mac can share a ...
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1answer
462 views

Are Time Machine backups to an external disk attached to a Time Capsule supported?

My 1 TB Time Capsule drive is full with Time Machine backups. I'd rather spend $130 on a 3 TB drive than $500 on a new 3 TB Time Capsule. Is an external drive attached to a Time Capsule supported ...
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2answers
92 views

External backup drive unmounted, then endless churn

I have a 5 year old Seagate USB2 drive for backups, used for a few months with time machine on my Retina MBP. Lately, I've been getting an error that it was improperly ejected (I didn't actually ...
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0answers
123 views

Thermaltake External HDD USB 3.0 docking station gets unmounted

I'm using a Thermaltake External HDD USB 3.0 dual drive docking station on a Mac Air. I can see the files and seem to be able to copy small files fine. When I try to move a lot of files it gets ...
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0answers
285 views

USB Thumb Drive on hub will not mount automatically

I have a 16gb SanDisk Cruzer Fit USB thumb drive. It's plugged into a powered hub, along with an external HDD - at the end of the day, I unmount (eject) the drives, and disconnect the MacBook from the ...
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2answers
119 views

Networking an external hard drive

I want to buy a Seagate Backup Plus Desktop 4TB Thunderbolt drive, but I was wondering if it is possible to connect my external hard drive to a network. There are two options which might help: we ...
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1answer
111 views

How to save a file quickly and no need to wait for the external hard drives to “wake up”?

Recently I have decided that since Mac does such a nice job for indexing the files, I will store many files on the Mac, so I bought a 6TB Thunderbolt external drive which is in RAID 0 Strip mode, and ...
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2answers
786 views

Encrypted/Journaled Seagate won't accept Password

I have a 2011 MacBook Pro Intel running Mountain Lion. I have a 2tb Seagate External Drive with 3 partitions: all three were set up the same way with different passwords as a person who used to live ...
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1answer
309 views

Mount a disk image as physical USB drive?

I have an certificate manager ("BankID") that allows me to export certificates from its certificate store. However, for some stupid reason it only allows me to export these certificates to USB drives, ...
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1answer
1k views

Manage iPhoto on external hard disk

Most of my Mac hard drive is filled with iPhoto pictures. I have an external USB hard drive. What to do? Just moving pictures from Pictures/iPhoto Library is not a perfect option as I want to have ...
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2answers
9k views

Powerful external hard disk health checker on Mac?

Is there any powerful program in Mac to check the health status - mainly bad sectors - of an external (USB) hard disk, and to recover them?
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0answers
5k views

How can I share an external hard drive with another Mac?

I have file sharing working between my iMac (10.8.3) and MacBook Pro (also 10.8.3), and I have an external "My BooK" drive (USB, MS DOS format) that I want to share. The iMac (where the external drive ...
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1answer
3k views

Can a VirtualBox Windows 7 virtual machine be installed on a USB hard disk?

My MacBook Air has only a 64G hard drive which is so small that I don't want to install virtual machines on it. I'm planning to buy a 1TB portable USB hard disk to run virtual machines. Has anyone ...
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0answers
59 views

Recreate unknown users on crashed mac

About a month back one of our Macs crashed and we had to restore it. The computer had an external drive connected to it and all the data is still there. Though some of the users are "missing". If we ...
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2answers
1k views

External hard drive spinning up during sleep

Every time I close the lid on my macbook air, my external hard drive seems to spin up for about 5 seconds every 30 seconds, and this will go on continuously, even for several hours. The noise itself ...
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1answer
11k views

How to move iMovie library to external hard drive folder?

I would like to move all iMovie (iMove '11) events to a specific folder of an external hard drive. Apple documents a means to do this, but without specifying the folder; iMovie files are created in ...
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1answer
3k views

WD Passport External USB Drive - Really slow on Macbook

I just got a Western Digital 2 TB "My Passport" USB drive and connected it to my macbook pro (it says it supports USB 3). But when I tried to copy my photo library it said it would take 40 hours? ...
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3answers
2k views

Is it necessary to eject an external drive before sleeping? [duplicate]

I have a question similar to a previous one about ejecting before shutting down. Is it necessary or recommended practice to eject external drives before putting a Mac to sleep, whether it be via an ...
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1answer
383 views

External hard drive unplugged while running iTunes…Corrupted files

I have nearly 2TB of Movies and TV Shows copied to iTunes on an external hard drive. Last night, I was unplugging a cord behind my desk and I accidentally unplugged my HD. Well, when I plugged it back ...
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2answers
234 views

Merge iTunes libraries

My iTunes library is on an external disk. I forgot to attach the external disk once and now I have some iTunes files locally. How do I merge these local files with the external library?
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1answer
901 views

Shortcut to eject all external hard drives but not MobileBackups

So far I've been using the following AppleScript to eject all external drives at once conveniently using a shortcut: tell application "Finder" eject (every disk) end tell This script is is ...
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2answers
3k views

Copying applications from applications folder to external and reinstalling osx

Is it possible to copy all my applications from the applications folder onto an external, format my mac, reinstall OS X and finally copy the applications back into the applications folder for ...
2
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1answer
4k views

USB flash drive not shown

My macbook suddenly stopped showing USB flash drives in Finder when I plug them in. I tried 3 different USB sticks - none work (worked just fine yesterday). USB-ports work fine - I tested all three ...
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0answers
290 views

Time Capsule external hard drive (usb)

I've added an external (Freecom XS 1TB) hard disk to my Time Capsule. However, this one's Mac Journaled (HFS+) formatted and does not display in Finder until I add a hub between the TC and external ...
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2answers
191 views

Use time machine for backing up a different computer

I've been over many faq's and troubelshooting but can't seem to find an answer to this. I'm currently running my mac from an external HD. My internal got corrupted, I can't repair it with disc ...
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1answer
533 views

External Thunderbolt drive and Monitor from same port?

I have a MacMini 2011 booting from a GoFlex drive connected to its Thunderbolt cable. Recently I am considering adding a second monitor. The HDMI port is already taken by my current monitor. It seems ...
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2answers
1k views

How to fix mounting problem with external drive?

I have a USB external hard drive with AC adapter that works fine with an Ubuntu machine. But when I plug it into my MacBook Air it lists one partition on the finder, and does not mount the other. ...
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0answers
1k views

External hard disc not ejected properly - Mac OSX

I have a late 2012 Mac Mini running OSX 10.8.2. My iTunes library lives on an external Seagate drive, which has its own power supply. When my Mac Mini goes to sleep it will frequently wake up with ...
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2answers
159 views

OS X installation on external HDD

I am planning to install a second OS X on an external HDD, I was wondering when I boot in external HDD will it in any ways affect my first OS X installation? Will it have the permissions to write or ...
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1answer
2k views

How to remove the use of master boot record from an external hard drive?

I have a 1TB external hard drive and I want to slice it into different partitions. When I try to do so, I get this error: can not modify external drive because it uses master boot record Is ...
0
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1answer
3k views

Error copying large file to usb 16GB Thumbdrive

Trying to copy a file (Win7_IE8.vhd) to a USB drive. The file is 9.07GB in size according to my Mac file info. The USB drive is 16GB. I bought it new 10 minutes ago. This is its first use. I get: ...
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1answer
135 views

External hard drive problems

I've two external hard drives attached to my MBP Retina OSX Mountain Lion. Whenever I open the Finder or switch to a Finder window, if either of the hard drives are asleep, there's a several second ...
2
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1answer
368 views

MBR-partitioned HDD: How to encrypt Time Machine backup?

I'm giving my external HDD to a friend tomorrow for a few days. It's partitioned via Master Boot Record and there are two partitions: a NTFS partition and my Time Machine partition. I don't want him ...
2
votes
1answer
50 views

What is the effect of permissions on external drives?

I've set the permissions on files on my removable external drives in ways that seem to make sense to preserve some degree of security. For example, for files that only I should have access to, I've ...
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0answers
2k views

The disk you inserted was not readable by this computer

I am getting a system message from Mac OS x 10.8.2 every time I power on my ICY DOCK RAID enclosure. I have followed the procedure in the manual to the letter. Installed two new 2TB HDDs > Changed ...
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1answer
1k views

Installing & running OS X 10.8 Mountain Lion from an external hard drive onto my Snow Leopard Macbook Pro?

I am currently running Mac OS X 10.6.8 Snow Leopard on my late 2010 Macbook Pro. I am perfectly fine with running Snow Leopard at present, but I feel I may be missing out on features or indeed updates ...
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2answers
195 views

Weird behaviour with external USB3 enclosure

I am having issues where an external USB3 drive(#1) is not showing up after reboot. It also doesnt not show up when holding option during boot. This external drive is a clone made with Carbon Copy ...
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2answers
269 views

OS on external SSD for performance?

I have a 2011 iMac 27", and back then opted for a HDD. Back then (and now still) I fear for the lifespan of SSDs, and hauling an iMac 27" to the store is cumbersome, so it looked the right choice. ...
3
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1answer
135 views

Move file from HDD to SSD

I've recently added an SSD drive to my Macbook, and I'm using my HDD to store my files. Sometimes I want to move a file from my HDD to my SSD though. Whenever I try to drag it, Finder only allows me ...
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2answers
1k views

Weird issues ejecting external hard drive

I have a 1TB Western Digital external hard drive that I use for Time Machine backups (and storage of a few other large files). Recently (since Mountain Lion, I think) I've been getting the following ...
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0answers
692 views

Recover partition from NTFS drive with folder structure

I ran disk utility and looked for errors on a NTFS drive that was working fine but had been ejected abruptly after the computer was forced to shut down. After that a bunch of errors just appeared in ...
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1answer
412 views

Can I fix this problem backing up Time Machine to an external HD via Airport Extreme?

I'm using a MacBook Pro and I decided to try using my WD Passport external HD wirelessly by connecting it to my Airport Extreme. I had previously used this external HD for storing things as well as ...