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

learn more… | top users | synonyms

33
votes
6answers
16k views

How can I skip the Trash when deleting a file?

I frequently connect different external USB hard drives and flash drives to my computer and I would like to facilitate deleting files and regaining disk space from them. If I simply delete the file, ...
13
votes
2answers
5k views

Can you make OSX mount just certain partitions when you connect an external HDD?

I have an external HDD with 4 partitions. My question is the following: is there a way of telling the OS to mount just two of them (One FAT and one HFS+) when I connect the HDD? It is rather annoying ...
8
votes
3answers
13k views

How can I write-protect (make read-only) a USB drive in OS X?

I have a USB drive with some archive data on it that I'd like to access from a Mac running Snow Leopard. However, I want to ensure that the data on the drive is preserved and no modifications are made ...
2
votes
3answers
3k views

Enabling Time Machine for a USB HDD with NTFS

When I've plugged in my USB HDD (WD Passort Elite) for the first time, the system had asked me whether I want to use this HDD as time machine drive. I've chosen smth like 'decide later' and continued ...
2
votes
3answers
3k views

Automatically launch a program or action when an external drive or disk is connected

I have an external drive. Is it possible to launch a program or perform an action when I connect it or plug it in?
9
votes
6answers
17k views

The volume can't be ejected because it's currently in use

After working with an external USB backup disk I want to cleanly unmount the drive. When pressing the 'eject' button Finder warns me with the message: "The volume can't be ejected because it's ...
5
votes
2answers
3k views

How can I use my iPod touch as an external disk?

I have a 2nd generation iPod touch (8GB), but I don't know how to make it work as an external disk. I think I saw a checkbox somewhere but I can't find it anymore. I've searched the Web, but the way ...
3
votes
3answers
3k views

Setting up iPhoto library on external HDD

Is there any way to set iPhoto library on external HDD instead of main HDD. I have a lot of photos and am running out of space on my MBP. I was thinking to achieve it by symlinks or something. It ...
3
votes
3answers
5k views

What's the fastest way to get data off Time Capsule and onto an external drive?

I plugged an external drive into Time Capsule using the USB input on the back. Then I used Finder to move data from the Time Capsule's drive to the USB drive. Finder says it'll take over 24 hours to ...
2
votes
2answers
2k views

iTunes videos on a different harddrive?

since the TED HD podcast and iTunesU my iTunes library is getting bigger and bigger and thus free space on my MacBook HD smaller and smaller. I'm getting an iPad2 soon and would like to sync my TV ...
0
votes
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 ...
8
votes
3answers
9k views

How can I create a new Recovery Partition on EXTERNAL disk?

I want to enable encryption on an external FireWire disk. The disk has been formatted a while ago (2+ years), and when choosing "encrypt volume" from the Finder context menu, Mountain Lion refuses ...
24
votes
2answers
17k views

How do I disable this message: “the disk was not ejected properly”?

Is there any way to disable the "the disk was not ejected properly" message? I use a KVM and need to switch between two systems and have a memory stick that is in the KVM. The problem is that it's ...
9
votes
3answers
2k views

Can I configure my Macbook to unmount all external drives when I close the lid?

I have a new 13" Macbook Pro running Mavericks. This computer is connected to an external USB drive which I use for my Time Machine backups and for external storage Time Machine backups occur a few ...
8
votes
1answer
557 views

Disable File System Cache for USB Devices?

Possible Duplicate: Disable “the disk was not ejected properly” message When I have a USB Device like a SD Card, USB Drive or external hard drive, I always need to unmount it, ...
9
votes
2answers
4k views

Can Time Machine volumes be easily encrypted with FileVault 2?

Now that File Vault 2 can encrypt the entire disk and encrypt external drives, can I have a fully encrypted Time Machine volume?
8
votes
3answers
3k views

How do I make Spotlight stop indexing my Backup drive?

I have a 2TB external drive I use for Time Machine. At random intervals, it will decide to spin up and my entire UI freezes until it's finished. This is incredibly annoying. It appears that this is ...
4
votes
2answers
3k views

Why does OS X now think I have two partitions on my external USB drive (plus random connection issue)?

I have an external USB drive that I have plugged into a USB hub, which gets unplugged from my computer about once a day. Most of the time I remember to unmount the drive before disconnecting so that ...
3
votes
2answers
8k views

Access disk attached to Airport Extreme over internet?

According to Apple's product page, the Airport Extreme... "...can turn your external USB hard drive into a secure drive you can share across your Wi‑Fi network and access securely over the ...
8
votes
5answers
744 views

External hard drive seems to block applications randomly

Since updating to OSX Lion on my late 2009 iMac, I have noticed some strange behaviour while using my computer. Every hour or so (I'm not actually sure about this pattern), the application that I am ...
5
votes
6answers
6k views

How to run Applescript on Disk mount

I want to run an Applescript when I mount a specific disk. It isn't if the script is located on the disk or not, it should just run when OS X mounts the disk. I tried to accomplish this with folder ...
4
votes
1answer
113 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 ...
4
votes
1answer
2k views

Boot MacBook Pro into non OSX operating system from external harddisk

I have a MacBook Pro and an external HDD with Ubuntu, I can use this HDD to boot other machines into Ubuntu but no amount of pressing option would make my MacBook Pro think that the drive is bootable. ...
3
votes
2answers
4k views

Can I keep my iTunes library on an external drive?

My main computer is a MacBook Pro that's running out of space, mostly due to my iTunes library, especially the TV shows. I have a few questions all related to solving this problem. First the most ...
2
votes
3answers
833 views

How to eject my external drive when my Mac refuses because of Spotlight?

I have plugged an external disk to my Mac. Now, I want to eject it. But my Mac stubbornly refuses and says that an application may be using the disk. I have not launched any app neither opened any ...
2
votes
2answers
2k views

External HD doesn't mount when USB plugged in (Lion)

I have an external USB hard drive I use for backing up my MacBook (running the latest Lion). FWIW, it's a Western Digital internal 3.5" SATA drive in an Antec HD enclosure. Anyway, of course every ...
1
vote
3answers
12k views

What are the advantages of Time Capsule over Airport Extreme with an external hard drive?

I would like for someone to outline the differences between buying a time capsule vs. just getting an airport extreme and attaching an external harddrive. The latter seems more flexible (easy to ...
0
votes
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: ...
5
votes
3answers
2k views

External USB drive connected to Airport Extreme doesn't show up in Airport Utility

I have connected an external drive to my Airport Extreme, but it doesn't show up in Finder, and it doesn't show up in the list of drives when I connect to the Airport Utility. The same drive worked ...
2
votes
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 ...
2
votes
1answer
1k 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 ...
2
votes
1answer
4k views

How to access USB External Drive on iMac from Macbook Pro?

I have an iMac with an external USB 1TB harddrive, running Mountain Lion. Under File Sharing I have added this external drive to my list of "Shared Folders". I have a MacBook Pro also running ...
1
vote
1answer
123 views

Can I remove one partition on an external drive, while keeping the other intact?

I have an external USB drive, which I've partitioned into separate FAT32 ("MOVIES") and OSX ("TIME_MACHINE") partitions: I now wish to remove the FAT32 partition and just use the OSX partition. ...
1
vote
2answers
1k views

Which format for external disk for performance?

I'm using OS X Mavericks and just got a new external hard disk. I don't need to share it with a PC (so no need for FAT) but I do want it to have better I/O performance. I'm a bit confused by the ...
1
vote
2answers
546 views

Why do apps which are not installed run from an external bootable drive?

After a disk crash in my MacBook Pro running Lion, I replaced the drive, installed Mountain Lion, and am rebuilding my system. I used Migration Assistant to transfer from an external bootable clone ...
1
vote
1answer
140 views

Can Spotlight show results for disconnected drives?

I have several external hard drives which I would like to search for files with Spotlight. They cannot be all connected at the same time. How can I get Spotlight results for offline external hard ...
1
vote
1answer
2k views

When is the GUID partition table (GPT) preferred over Apple partition map (APM) for external drives?

I have seagate external portable hard-drive 1 TB, and I will be using with following Mac's. 13" White MacBook (Intel Core 2 Duo) running Snow Leopard 13" MacBook Air (Intel Core i5) running Lion iMac ...
1
vote
2answers
2k views

What Thunderbolt hard drives support daisychaining?

I would like to daisychain a monitor through an external hard drive, using Thunderbolt. Are there any hard drives with an additional Thunderbolt port? Preferably compact and affordable. I would also ...
0
votes
4answers
242 views

Is It Possible to Install OS X on an External Drive for Use with Any Mac?

My dad would like to encourage me to learn how to program in C++, but he doesn't want anything that could possibly go wrong with any of the computers that we own while I am doing so to affect any of ...
0
votes
1answer
170 views

How do I copy an NTFS partition to a writable disk image?

I have a drive from an old Windows computer. The drive is now in an enclosure, so it's accessible as if it were an external drive. It is formatted as NTFS. I would like to convert this drive (about 50 ...
0
votes
1answer
2k views

External drive format to be writeable on both Mac and Windows

What file-format an external drive has to be for it to be writeable on both Macs and Windows machines? I have a 750GB external drive originally formatted in NTFS for Windows, but it's not writeable ...