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

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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
3k 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
685 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
3k 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
20k 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 ...
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2answers
1k 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 ...
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3answers
327 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 ...
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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
620 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
331 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
156 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 ...
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1answer
927 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 ...
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2answers
583 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 ...
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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 ...
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2answers
5k 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 ...
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3answers
859 views

How to get a mac to wait longer for external disk to wake up upon resuming from sleep?

My Mac has an external disk attached, and I often get "disk not ejected properly" warnings after resuming the computer from sleep. These warnings appear only when the disk has spun down during the ...
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1answer
453 views

External Hard Drive - Get Write Access Rights

I have a Mac Book Pro. When I attach my external hard drive to it, I can only read rights. How to I get read and write rights?
3
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1answer
666 views

External HDD Unmounted After Sleep

I have the new iMac 21,5" and a Samsung G3 Station 1,5TB external HDD. When I plug my HDD, connecting to energy and via USB, no problems, Mac OS recognizes it and I can use it normally. The problem ...
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5answers
655 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 ...
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2answers
743 views

Sync Local Folder with NAS storage device

I have a local folder Photos which keeps growing as I import pictures from the camera. The question: is it somehow possible to easily synchronise the folder with a NAS storage device? I stumbled over ...
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2answers
4k 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 ...
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3answers
10k 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 ...
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1answer
691 views

Access iPod from Windows Explorer

I just got my new iPod 4. I wanted to use it as a storage device copying to it music and eBooks, but it doesn't show up on my computer. I followed the direction in this page, but unfortunately, the ...
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1answer
523 views

USB 3 via ExpressCard/34 on a thunderbolt with parallels desktop

Can I use an extenal windows formatted USB3 harddisk on my mac connected via thunderbolt on the future Sonnet Echo-Expresscard/34-Thunderbolt-Adapter? It's clear I can use UBS3 HDs for Mac, but how ...
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2answers
1k views

External drive for Time Machine and sharing files cross platform

I have read through this question and the associated apple kb article. I know that I can use an existing external hard drive and time machine can backup to it without affecting the other files. ...
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1answer
2k views

Pen drive does not show on mac on attaching but show error on removal?

My problem is that when I attach my pen drive to any of the ports on my Mac, it won't show up on my Mac, but when I remove the pen drive, it shows the error, "The disk was not ejected properly. If ...
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1answer
154 views

External HDD problem with iMac OSX

I purchased a 3TB HDD, which I put into an USB enclosure for my iMac. The drive is recognized at boot, but it only shows 801.23GB. I formatted the drive with into two 1.5TB FAT32 partitions via ...
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1answer
2k views

How does Time Machine handle an external drive shared between two Macs?

I have a new MacBook Air (13" with 128Gb SSD) and my wife has an old MacBook (120Gb HDD) and we're planning to both use the same 1Tb external HDD to store our iTunes and iPhoto libraries and the same ...
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1answer
2k views

Make external optical drive appear identical to internal SuperDrive?

Is there a way to make a external optical drive appear to applications as though it were an internal SuperDrive? I am using the optical drive bay in my MacBook Pro for a secondary hard drive, and I ...
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7answers
11k views

What format for my external drive allows use with Mac and Windows?

How can I use my external hard drive on Mac OS so I can modify/edit files on both OS's: Mac and Windows? How should I format it?
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1answer
287 views

2009 Mac Mini HDD as an External Drive for a 2011 Mac Mini HDD

I have a unique plan: I have a 2009 Mac Mini mid-2009 with 10.6 OS X. I just got the 2011 Mac Mini with 10.7. But I am planning to use the hard drive from the 2009 Mac Mini with 10.6 OS X as an ...
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3answers
592 views

How to prevent Finder windows from automatically popping up when I attach a disk?

I have a removable Firewire drive. It has several partitions, many of which have Mac OS installers on them (I'm a developer/sysadmin, and need to reinstall fairly frequently). However, I also use ...
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1answer
197 views

How do I get Launchpad to see apps on an external disk?

I have a large Firewire disk permanently plugged into my Mac mini. Whenever possible, this external disk is where I install any new apps. How do I get these apps to show up in Launchpad?
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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?
3
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2answers
493 views

Identify connected external disks programmatically

I want to write a shell script that ejects all currently-connected external drives (either USB or Firewire drives). I can use the disktuil eject <disk-path> to eject a specified drive. But I ...
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2answers
205 views

Ejecting disk after failed mounting

I have a RCA VR5220 voice recorder, with a built-in USB connector. Because this thing was clearly built by Windows-minded engineers, the only way to access the files in Mac OS X is to plug it in and ...
3
votes
1answer
486 views

LaCie Rugged Safe Firewire Write Speed / Faster from a windows virtual machine?

I just bought a LaCie Rugged Safe Hard drive, and I am a bit disappointed by the sustained write speed that I measured. Here is what I see : sustained read speed : about 55MB/s sustained write ...
3
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3answers
5k views

How to move all iPhoto video files to an external disk or a NAS?

The main harddrive of my MacBook Pro is filling up. So I need to move some files to an external medium. I use iPhoto to import my photos and (HD) videos from my digital camera. I want to keep all my ...
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1answer
503 views

Why do external hard drives run so hot while mounted and idle on a Macbook Pro?

When my external drives are mounted and idle on a Macbook Pro, they run hot. Why? I do not have the same experience with NTFS volumes on my Windows box, where's the difference in idle disk usage? ...
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2answers
458 views

Can 2010 MacBook Pro power 2 daisy chained FW800 external HDs?

I have a 15 inch MacBook Pro (model MacBookPro6,2) with 2.66 gHz Intel Core i7 and 8 GB RAM from mid 2010. Right now, I use a LaCie Firewire 800 bus powered Little Big Disk Quadra which works well. ...
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1answer
726 views

My external harddisk is readonly on mac

I am having a 1Tb external harddisk. Its working perfectly fine on ubuntu and windows. But On mac its read-only. How can I change this.
3
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2answers
3k 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
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1answer
9k views

How can I do a Full Backup of my iTunes library (including Playlists and Album Art) to an external Hard Disk?

How can I backup my iTunes library (including album art and playlists) to an external Hard Disk 1? iTunes only seems to allow full backups to discs. FWIW, this is on a Win7 machine.
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2answers
301 views

Mac - External hard drive backups

I have two external hard drives, WD 320GB and a WD 1TB. I would like to backup my WD 320GB on a regular basis. Please could you inform me of a good application which could provide these needs: ...