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

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Will a USB 2.0 5400RPM External HDD for Time Machine slow down my SSD?

Will a USB 2.0 5400RPM External HDD for Time Machine slow down my SSD? I am new to Mac and I don't know how often Time Machine works with the drive.
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0answers
2k views

How to backup external NTFS drive via Time Machine?

I currently have an external, HFS+ drive as my time machine storage that backs up my Macbook Pro Retina (Mac OS Mountain Lion 10.8.1). I also have another external NTFS drive (that I share with my ...
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2answers
806 views

Are there external drive enclosures yet with a Thunderbolt interface?

I'd like to put some spare disks in enclosures and use the Thunderbolt interface. Does such a thing exist yet? I can't find any. Are there technical issues or licensing restrictions that have stopped ...
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1answer
84 views

encrypted time machine backups to a single external hdd from more than one mbp

I am planning to get a external HDD for time machine backups for 2 macbook pros. Can both of them backup to the same HDD Can the disk be time machine encrypted and still be accessible to both?
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0answers
665 views

Lacie external Thunderbolt drive not appearing in finder

I have an iMac running Mountain Lion and just bought an external Lacie Thunderbolt drive. It seems to work, but does not appear in the Finder. Does anyone know a fix for this?
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4answers
7k views

How can I reliably backup an external drive to another external drive?

I have got an external hard drive (A) that contains my iTunes & Aperture libraries. It's not always plugged to my MacBook. What's the best way to make a backup of it on another external hard ...
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0answers
54 views

Are “ejected” drives still unlocked?

If I eject an encrypted (with FileVault) drive in Mountain Lion, has it been locked, or is there more I need to do (like physically unplugging it)?
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1answer
5k views

How to view progress when encrypting a disk?

Mountain Lion allows one to encrypt any disk by right-clicking on the disk in the Finder and selecting Encrypt from the contextual menu. Is there anyway to check on the progress of this encryption ...
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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 ...
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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 ...
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4answers
4k views

Can I share files from my external hard drive across my PC and Apple laptop?

I have a desktop PC with a pretty small hard drive. I bought an external hard drive with 500GB of space and now use that for all of my pictures, music, etc. Its almost full. I am now in the process ...
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5answers
29k views

How to make external disks reappear on desktop in Mountain Lion?

After upgrading from Lion to Mountain Lion, my MBP does not show icons for external drives on the desktop any more. In the Finder preferences, “External disks” is checked under “Show these items on ...
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4answers
1k views

Can't empty trash of removable HD

I can't empty the trash of my removable drive. At first it appears to empty it correctly (no error message, the sound is played), but the folder in question stays there. I tried: jan@MacBook-Pro ...
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5answers
255 views

Data Storage Using Dual-Boot System

It's probably not pertinent, but I'm a Mac user since the 1980's. I freely confess that as a middle-aged dog I find it increasingly harder to keep up with the latest and greatest in available Apple ...
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1answer
110 views

Move external HD to a new drive, but have Time Machine think it's the same?

I have two external drives, one for data and one for Time Machine backups. Time Machine backs up both my internal HD and my external HD. My external HD is dying, so I bought a new one and plan to ...
2
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1answer
94 views

Sync a computer as an iPod: Is a way to sinc one computer's iTunes library from another in the way of an iPod available?

My computers do not have sufficient hard drive space to store my iTunes library (movies rake up space so fast!), so I have stored my iTunes library on an external hard drive. I would like to sync ...
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1answer
891 views

Bootcamp over external USB drive

Is it possible to use boot camp on external drive? I would like to install windows on an SSD connected using USB 3.0 and boot from there. Has anyone done it ? Any problems with that ?
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1answer
5k views

Can I get S.M.A.R.T. support on external hard drives?

Disk Utility reports the S.M.A.R.T. Status as not verified for external disks, and by default Mac OS X only seems able to access S.M.A.R.T. information on internal hard drives. Is there a way to get ...
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2answers
2k views

How do I restore itunes library onto another computer

I followed all the steps as suggested for backing up and restore iTunes library in the apple support website: http://support.apple.com/kb/HT1751 but I have problems with the 'choose library' part in ...
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1answer
2k views

Time Machine Backup freezing computer

Time Machine on my computer is trying to backup onto a external hard drive, but the only thing I get is the famous beach ball of death which makes my computer extremely slow. When I go to cosole.app ...
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1answer
1k 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 ...
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1answer
464 views

Format External Western Digital Drive to be used with only Mac

I recently ordered Western Digital My PassPort Essential. I will get it by tomorrow evening. It comes pre-formatted using NTFS file-type. I need to format it, to be used with My MacBook Pro (i.e., ...
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2answers
2k views

Is it true that any external hard drive made for the PC, can be used by a Mac running Lion?

It seems like Lion supports NTFS (by plugging in a USB Flash drive which is NTFS). So for hard drives such as the WD Passport or Toshiba 1TB, which are made for the PC (running Windows XP/Vista/7), ...
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1answer
2k views

Permission of external disk under Mac OS

I plug an external disk to the laptop whose system is Mac OS, but I can't create files/folders, or rename files in the disk... The Sharing & Permissions is You can only read. Does anyone know how ...
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1answer
124 views

Automatically move old music tracks on iTunes to external HDD

My media are taking most of my internal hard disk drive. I wanted to know if there is a way to automatically transfer music that I do not listen to regularly on my iTunes folder to an external hard ...
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3answers
13k views

What are the advantages of formatting an external disk as journaled HFS+?

The application Disk Utility /Library/Utilites/Disk Utility.app which is part of the applications that ship with the Mac OS allows to reformat an external disk. Options include: Mac OS Extended ...
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1answer
261 views

Extern drive is owned by everybody? How do I fix this?

We have a MacOS X Lion server with a 140TB external RAID array mounted via a Fibre Channel interface. Whenever anybody logs in, it appears that they own all of the files. How do we set it up so that ...
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2answers
5k views

Is it possible to enable TRIM for an external SSD?

I have an iMac from 2011, Mac OS X 10.6.8, and an SDD in a FW800/USB3 case. Which interface can let me enable TRIM: USB2, USB3, FW800 or Thunderbolt ?
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6answers
20k views

What is the best way to clone a disk between two Macs?

What is the best way to clone a disk between two Macs? I ask this every couple years or so and every time I get the same answer. "Use Carbon Copy Cloner", they say. But the unfortunate fact is that ...
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2answers
2k views

fseventsd is at 100%CPU when time machine on external hard drive is connected

When I connect an external hard drive with storage space and also time machine on it, in activity monitor it shows a process call fseventsd taking up 100% CPU and it slows down my computer to a halt ...
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7answers
4k views

What is the benefit of purchasing a Mac formatted External Hard Drive?

I have seen in shops that you can buy external Hard drives in both Windows and Mac format. I was under the impression that an external Hard drive will work across both platforms, however having seen ...
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2answers
1k 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 ...
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1answer
710 views

External HD with a Filevault 1 home directory, readable from Lion?

I have the HD from my old Snow Leopard Mac containing my old home directory encrypted with Filevault 1. Can I mount this HD in a USB enclosure as an external volume on a new Mac running Lion, and ...
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3answers
3k views

My external disk made a clicking noise. What should I do?

I have a USB2+Firewire external disk that made a clicking noise, and Mac OS X immediately unmounted it and put up a dialog box saying that a peripheral is misbehaving. The disk made a clicking noise ...
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2answers
4k views

Is it possible to disable auto mount of external devices?

How can I disable the auto mount of usb/firewire devices or basically any external disk in MacOSX? My motivation for this is that in Windows there have been possible attacks via USB trojans that ...
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2answers
1k views

How dangerous is it to hot-plug FireWire 400 devices?

I've had my MacBook since 2006 and, on the odd occasion, I've used the FireWire 400 port for connecting an HDD caddy or for networking between two Macs. I've always hot-swapped devices without a ...
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1answer
2k views

How do I move my iPhoto library to an external drive available through Time Capsule?

Like many others, the number of photos that we are storing these days is growing. Also, we have multiple iPhoto libraries on various computers. So it makes sense to consolidate photos into a ...
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2answers
21k views

How can I get multiple computers to use my iTunes library on an external hard drive?

I have two Macs -- on usually at home and one carry around. I'd like to keep my music, movies, iPhone apps, etc. on an external drive so that I can always use the same library regardless of which ...
3
votes
2answers
2k views

What's the best way to back up an external hard drive onto a Macbook?

A friend of mine has a Macbook Pro, and an older 80GB external hard drive. She is copying files from the external hard drive (which contains all her work) to the Macbook, but slowly because she's ...
3
votes
3answers
344 views

Only seeing ONE of two external HD's plugged into Apple Airport Extreme

Here is the scenario: I have TWO External TB drives. They are both plugged into a Powered USB Hub. That Powered USB Hub is plugged into the back of my Airport Extreme. I can only see one. They have ...
3
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3answers
2k 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 ...
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2answers
651 views

trouble deleting files from an external drive

When I try to delete folders/files from my External drive I get the below error after being asked to enter my admin password: The operation can’t be completed because you don’t have permission to ...
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0answers
335 views

Airport Extreme sharing 1TB disk

I just bought an Airport Extreme thinking it was easy to share a USB disk. I'm very disappointed that this is taking so much time and still not working. The disk is 1TB NTFS formatted. It works well ...
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1answer
157 views

How do I install virgin Leopard on external drive with iMac running Lion?

I have a new iMac, quad core with Lion running. I want to install Leopard on an external drive to run some hardware that will not work work Lion. I have formatted the external drive as Mac OS ...
2
votes
1answer
1k views

External HD Shows up in Disk Utility, but I can't access it

I have an External 1TB hard drive that has been corrupted, it was so corrupt that I had to abandon the files on it. So now I'm simply trying to erase it so I can begin using it again. But here's the ...
4
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2answers
612 views

Constant external disk activity when MacBook is in sleep state

I am using an external 2.5" hard drive (the original MacBook HD, which has been replaced by an SSD) in an Icy Box USB3 enclosure on my MacBook (running OSX Lion). When the MacBook goes to sleep, the ...
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3answers
4k 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 ...
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3answers
2k 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 ...
2
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2answers
1k 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 ...
4
votes
2answers
6k views

How can I prevent external hard disk from sleeping when connected to Airport Extreme?

I have a 1TB external hard disk from Seagate connected to the USB port of my Airport Extreme and everytime I need to access it I have to wait some time until it leaves the sleep mode. Is there a way ...