Trouble with ministack v3 external drive

Hi guys! I'm having a real problem here with my external drive. I just bought a ministack v3 for my macbook (black one). I copied all of my data into it (not back up, just normal copying) to reset the whole system. After reinstalling + updating, I opened the data in the external drive and tried to copy them back into my laptop, it asked for password, and then this error appeared: "Sorry, the operation could not be completed because an unexpected error occurred. (Error code - 50)". however, i could copy only two files which were illustrator file and .jpg; the .dmg files can be opened and installed but not copied, same as the video files. I looked up but could not find any references to this problem. Can anybody explain and show me how resolve this? Thanks a lot, guys!

I'm having the same problem, and out of no where.I found this old forum http://discussions.apple.com/thread.jspa?threadID=1126326 which didn't work for me, but it might for you . . .

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Trouble using iphoto on external drive

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This procedure is a diagnostic test. It’s unlikely to solve your problem. Don’t be disappointed when you find that nothing has changed after you complete it.
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Problem with iTunes and external drive

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Nevermind. I figured it out.

Everytime I start time machine, my computer backs up +/- 250MB, then freezes. Tried it with 3 different external drives, all stop at about the same point (they all work fine on other macs). Any suggestions?

The drives I have are Seagate 1TB GoFlex portable drives (one has UBS 3.0, the other USB 2.0), and a WesternDigital 1TB passport (USB 3.0). I originally tried to backup with Time Machine using the Seagate USB 3.0, and when that didnt work, Seagate suggested maybe since my operating system is a little older, that I try with a USB 2.0, so they sent me another NEW external hard drive, with the USB 2.0. Had the same issue. Frustrated and convinced that Seagate just sucked, I went and bought the 1TB WesternDigital passport (USB 3.0). Have the exact same issue again. Every drive was new, and formatted for mac. When I started time machine it started to back up my files, but froze after copying give or take 250 MB (usually 252.5MB, to be exact). I went and tried the drive on several other macs, and none of them presented any problems. I also tried dragging individual files, but it still freezes on pretty much anything bigger than +/- 100MB. Disk Utility says that all the drives are fine. Obviously this is a problem with my computer, and not the 3 brand new external drives. I thought about upgrading to OSX 10.6, but don't know if this'll help or not (plus, I'd really prefer to have all the files backed up on a drive before doing that, just in case). I dont know what else to do.. called apple, but I'm not about to pay them $50 to have them MAYBE give me a solution (done that twice now for previous unrelated issues, and each time they just told me to take it to a computer repair place.) Just seeing if anyone out there has a solution before I cave and take it back to the certified computer guys for them to figure it out.. Also, I live in Montana and theres no apple store anywhere close (not suprising), so taking it to an Apple Store is just not an option.
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this is what you need to do to exclude everything apart from desktop.
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Beginner's question: Using Time Machine with a WD External Drive

Hello folks,
Could someone help me with some basic questions?
I have a MacBook with Mac OSX 10.5.5. It has Time Machine but I've never used it before. I've just obtained a Western Digital External Hard Drive which is Mac compatible but, I'm told, may not be formatted for Mac.
1. If that's the case, how do I format it for Mac so that I can use it with my MacBook? Or can I just plug-and-play?
2. Once ready to use, I'd like to use the external drive for two purposes: (a) to create back-up images of my entire computer using Time Machine, and (b) as a second drive where I can just drag-and-drop selected files when needed (e.g. so that I can put photos in a photo folder on my external instead of on my MacBook hard drive). Will my MacBook let me do this, or will using Time Machine effectively reserve the entire external hard drive for Time Machine and not allow my to drag-and-drop files?
Thanks! And Happy New Year!

Question 1:
1. Launch Disk Utility (in your Applications/Utility folder.
2. Click the "erase" tab
3. Select your entire WD disk on the sidebar (the uppermost icon).
4. Format: "Mac OS Extended (Journaled)"
5. Name the Disk
6. Click on "erase"
Question 2:
What is the size of your drive? If it is large enough you can partition it but Time Machine backup will "grow". So if it's important to you to save all backups you'll want to give it the whole disk. If not, you can partition the disk at the same time you format it.
Follow the steps here. It will accomplish both Q1 & Q2.
-mj
Message was edited by: macjack

Help with partitioning an external drive

I've never done this, so am not sure how it works. I have an external drive (250 gb) that I use with SuperDuper to back up my Mac. Now I have decided I also want to keep a separate iTunes library on this drive. Apparently, so that SuperDuper doesn't erase the new iTunes library, the drive will need to be partitioned.
So. . . I will use Disk Utility to partition that drive into two and call each section something different? Will each section then look like a different drive (for instance, in SuperDuper)?
Are there any tricks or tips I should know before running Disk Utility's partition application?
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Powerbook G4; Intel iMac 20inch Core Duo Mac OS X (10.4.7)
Powerbook G4; Intel iMac 20inch Core Duo Mac OS X (10.4.7)

Disk Utility offers following partition schemes:
GUID -> Intel Mac
Apple Partition Map (APM) -> PPC Mac
Master Boot Record (MBR) -> PC
My apology for referring APM as PPC in my previous post. Native partition scheme (GUID for Intel Mac and APM for PPC Mac) must be used in order to install Mac OS X in the partition as startup disk, it allows booting as well as firmware update. If partition must be shared between Intel Mac and PPC Mac, then only APM scheme can be used since both Mac platforms are able to access APM partition but only PPC Mac can boot from this type of partition.
Since I have only one Intel Mac and booting from external storage is necessary for maintenance (full defragmentation) and repair (in case when internal drive has crashed), I use only GUID scheme for iMac's internal drive and Firewire external drive. Super Duper is used to mirror exactly internal drive to external drive regularly. The only time I have to perform file transfer between PPC Mac and Intel Mac with external drive was during hardware upgrade as follows:
iBook G4 -> iMac G5 -> iMac CoreDuo -> iMac Core2Duo
Thus the decision for partition scheme of external drive depends on whether you have to boot Mac OS X from external drive (no in your case but highly recommeded for emergency plan) and whether sharing of external drive between your PowerBook G4 and iMac CoreDuo is desirable. I assume you will select APM scheme for your purpose since booting Mac OS X from external drive is not required.
Use of very old Master Boot Record (MBR) scheme will turn the external drive into PC drive completely. Unless this drive must be accessed in Windows environment as conventional PC drive for some PC disk utilities (these old utilities can't work with new GUID scheme), use of this non-native scheme for Mac OS X is not advisable.
Hopefully above information will help you in partitioning external drive. Since you do not have to preserve content of this external drive, why not go ahead and experiment with new partitions to see whether they serve your purpose ? Disk partitioning without writing zero or any random patterns on whole disk takes only few seconds. But it is a good idea to write zero (shortest time required) across whole disk surface to ensure that bad disk blocks are masked off to prevent future access and possible crash.
iMac Intel Core 2 Duo 2.16GHz / 1GB RAM / 250GB HD / 20" LCD Mac OS X (10.4.9) Firewire RAID, iPod nano

Mac Mini conflict with Western Digital External Drive

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Any help is greatly appreciated.
Thanks

Hi-
Please clarify.
What mini are you using? One of the new 2009 models?
As for the drive, is this a Firewire 800 drive or a Firewire 400 connection?
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If it is a firewire 400 connection, what adaptor/cable are you using?
For a USB 2.0 connection, are you connected to a hub, or directly to the mini? Is the hub powered or not? Have you tried a different USB port? Same results?
Did you plug in both the USB and Firewire cables at the same time?
What is the model of your WD ext drive?
When you say that your desktop goes "blank" what exactly do you mean? The computer is still on, but there is no image on the screen?
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You're referring to a referenced library and even though it's possible the risks, IMO, greatly outweigh the advantages. Since you have a laptop and want to have at least some of the pictures to take with you on the road I suggest two libraries: a full library to be run off the external HD and a smaller one with the most current or needed photos.
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May I backup both my MacBook & G4 desktop with WD-Passport External drive?

I want to be able to back up both machines (MacBook and G4) with the same portable drive but not synch them as I have different info on each. Will it recognize each as separate or will it try to overwrite one over the other?
My tech skills are limited and the Passport was explained as a simple external drive.

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