One of my drives is hidden

I recently downloaded version 7.6 of iTunes and my computer was glitching so I removed 7.6 and re-installed 7.5. Now almost all of my files and folders in one of my drives is hidden, the computer says the drive still has the files but it can't locate them. HELP!!!!!!!!!!!

I read your post and I see that I've similar situation:
I have one XRAID with 14th 500GB drives.
Within lower controller I had two Arrays (4drives-raid5 and 2drives-raid0) and one spare-drive.
I've removed one drive which has belonged to 4drive-raid5 Array. After that - XRAID has begun to repair this raid5 with use of spare-drive. I want stop immediately this action and I've removed this drive form XRAID.
After I put back this drive -
RAIDAdmin show me now that this Drive has "Warning" Status and that it belong to "Unknown Array".
What should I do - I want to use this Drive in new Array. I cannot use it 'cause it has solid yellow light and I cannot change it!
I've restrated the lower controler, I've restarted whole XRAID, I've teke out this bad Drive and put them back but it was not helpful...

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HT201250 I have two macbooks. Can I backup both machines using timemachine on one external hard drive?

I have two MacBooks, both operating on different OS - Leopard and Snow Leopard. Can they both be backed upusing time machine onto one external hard drive?

J D McIninch wrote:
Actually, it does both. However, if you use two machines with the same name, it can pose a problem. If you mount the Time Machine drive and open the backup db directory, you'll note that the subdirectories are arranged by system name. The information about the ethernet MAC ID is in hidden files.
Yes, as posted, to the user it's confusing (and accessing your backups via the Finder is not recommended).
Time Machine knows which is which, and will back up each Mac to the proper folder. When/if you want to use the "Star Wars" display to view or restore from either Mac's backups, it will show the backups for the Mac you're on.

I get error 8062 when trying to copy files from one external hard drive to another. It starts out copying files, but after 10 minutes or so it stops and I get the error 8062. The hard drive tech support says the problem is in my Macbook Air.

I cannot copy my doc and photos and videos from one external hard drive to a second external hard drive -- both plugged in to my MacBook Air -- I get Error 8062 and the copying (which seemed to be going on for 10 minutes) stops and nothing gets copied.
As any Macbook Air owner knows, there is SO LITTLE storage capacity on the computer that you have to back up big files onto an external hard drive to avoid getting the other annoying error that says you have no more memory/storage capacity/whatever the proper term is, and you cannot use the computer.
Backstory: Before this error cropped up, I had backed up lots of files to an external drive and then removed them from my computer. But then the external hard drive got corrupted and I could not access my entire photo library. Had to pay $850 to Kroll Ontrack to recover those files. I have now bought 2 new external 1 Terrabyte hard drives as protection against another such disaster. BUT I cannot copy the files from the first hard drive where all my reovered files now sit, to another backup hard drive.
Feeling vulnerable. Please help.
SusaninNY

From the menu bar, select
 ▹ System Preferences ▹ Energy Saver ▹ Power Adapter
and uncheck the box labeled Put the hard disk(s) to sleep when possible, if it's checked.
If the drive has more than one interface (USB, FireWire, Thunderbolt, eSATA), try one of the other interfaces.
Check that the data cable is securely inserted at both ends.
Try a different cable.
If you're connecting the drive through a hub, connect it directly to a built-in port on the Mac.
If you're connecting it directly, try a different port.
Disconnect all other devices on the bus, or as many as possible.
Test the drive with another Mac. Test another drive with this Mac.
If the drive is bus-powered, but has an AC adapter, connect the adapter.
Start up in Safe Mode and test.
If the drive doesn't work under any of the above conditions, and if another drive does work with the same Mac, then the drive has failed. You may be able to salvage the mechanism by removing it from the enclosure and installing it in another one, or in a drive dock.

I transferred my iTunes library from one external hard drive to another and added more music on the same day. How do I get rid of my duplicate files without going through them one by one which would take forever?

Please help. I have transferred my iTunes library from one external hard drive to another plus added additional music now I have duplicates of the same music in many albums. How do I delete the duplicates without going through them one by one which would take forever? I understand how to get the "show exact duplicate" feature up on iTunes but, because they were added to the library on the exact day I can't seperate them I'm that manner. So each duplicate is right next to eachother in the exact duplicate screen.

My DeDuper script is designed to help clean up. See this thread for background.
tt2

How do I move my iphoto library from one external hard drive to another?

how do I move my iphoto library from one external hard drive to another?

Drag it there in the Finder and then launch iPhoto with the Option key held down. Point it to the new instance of the library.
(58012)

Can I use one external hard drive for 3 of my Macs?

I have a 2007 white MacBook, a 2011 MacBook Pro, and a 2013 MacBook Air.
I want to be able to transfer all of my precious family photos off of my MacBook and Macbook Pro onto an external hard drive and then wipe those computers clean, and then I want to be able to backup and wipe clean my Macbook Air so that I can update it to Mavericks.
Can I use one external hard drive to do this for three of my Macs? Will it be compatible with all of them? And will I still be able to use the hard drive with my Air once it is updated to Mavericks?
Which hard drive do you recommend?

1. Yes. Note that anything you want to keep should be on at least two drives in case one of them fails.
2. Yes.
3. Yes.
(110959)

Can't get LR3 to import photos from one external hard drive to another?

I'm wanting to move thousands of raw photos from a folder in one external hard drive to another folder in a different external hard drive so all my photos are in one photo folder instead of two. I've gone through the importing routine inside of lightroom to move the folder over to the new hard drive. However, the photos don't move because they still show up on the old hard drive and not the new one. What's weird is when I try to import it again, the grid view shows all the photos I'm wanting to import and when I move my cursor over any of the photos they are faded out and it says the photos are already imported. However, if this is true why aren't they showing up in the new folder on my new external hard drive? I know the new external hard drive works fine because I've successfully been putting all my newer photos there since I started using LR about one year ago. The one's I'm trying to move over are older photos I shot try to using LR.
I'm stumped and need some help. Thanks in advance.

You wrote
"Are you saying while I'm in LR just grab the folder I want to move and drop it into the new hard drive"
Yes, that's the way to move photos & folders from within LR.
LR will then update its catalog with the new location and everything should be fine.
Importing is not a good way for moving photos / folders. Since the photos are already in the catalog you had to uncheck <Don't import suspected duplicates> or all the photos will be greyed-out in the import dialog. If you did that LR would import the photos from drive A and put it on drive B. But they would still be on drive A, so you'd have the photos on both drives and would have to delete them on drive A.
But more important: By default LR saves all edits in the catalog, they are not saved with the images themselves. That means by doing an import instead of a drag-and-drop move you'd lose your edits.
You can save your edits to xmp, a side-car file that is stored together with the image file, and the xmps would be imported. But LR does not store everything as xmp. For instance Virtual Copies, Collections, Stacking are saved only in the catalog, so by doing an import you'd lose these things.
Unless you know LR very well, it's best to use the Import Feature only for images that are NOT yet in LR.
And another thing: Before doing major operations like moving big amounts of photos, it's best to backup your catalog first.
WW

How do I move my operating system from one internal hard drive to another on the same Mac?

My question is pretty straightforward: How do I—or can I—move my operating system from one internal hard drive to another on the same Mac Pro desktop?

I'll let baltwo come in with a definitive answer, but the last time I just made a clone, CCC used Disk Utility to create a recovery partition on an external drive's partition. You get these windows successively (and it did create it with a message that it was successful):

Can I download music and pictures from 2 different MacBooks onto one external hard drive?

I have looked around for the community, but have not found an answer here. Both my wife and I have 2 seperate MacBooks, but we wanted to put all of my pictures and music and all of her music and pictures onto one external hard drive. I read on another board that we can, but only if we purchase a Mini. Is it possible to do that without having to purchase a Mini? Or is purchasing a Mini the only way to be able to do that? Thanks in advance for any replies!

There is no reason that you cannot use a common external HDD for your communal data. Naturally you would have to disconnect it from one MBP and then connect it to the other when you wish to access the data or perform a download.
Any compatible external HDD will do, but make certain that you format it in Disk Utility to Mac OS Extended (Journaled).
Ciao.

Should I combine two 1Tb drives into one logical 2Tb drive or use one 1Tb drive for system/apps and move /users to the other 1Tb drive? (I'd like ease of b/u too.)

Hello,
I have two 1Tb drives in my Mini, the first is full and the second one empty. (I've been using the 2nd for Time Machine but the full source from dirve 1 soon has Time Machine complaining.) I am contemplating whether to form one 2Tb logical drive from the two 1Tb drives or segregate their use, i.e. use the first 1Tb drive to hold the system and applications while moving the /users directory tree to the second 1Tb drive?
I'm assuming both are straight forward to do accomplish but have nagging doubts about segregating drive usage, will moving the /users directory tree to the second 1Tb drive:
impact apps which might otherwise expect to see particulat fies and directories in specific user related locations on the system drive;
hinder backing up (by having to setup two separate Time Machine activities)?
Finally, is there a better 3rt option?
Thanks,

Thanks and sorry Allan,
The supplementary questions would arise should I NOT chose to combine the separate drives into a larger logical one but to keep one of the two drives for system/apps and the other for users data... I assumed that segregating drive usagel like this might reult in issues with apps which might expect to see some user directories/files on the same drive as the system/apps. similarly, with two physical drives, I'd be looking to managing separate Time Mchines. (I have a few 2Tb pocket drives for backups.)
Final question - if I do combine into a single logical drive (for system, apps, /users ... the whole lot), would I have any problem getting this logical one working from a Time Machine backup? I ask that this backup was taken from the 1Tb physical drive and now I'd be looking to put it back onto a 2Tb logicl drive.
Thanks,

How do I move data on time machine from one external hard drive to another

How do I move data on time machine from one external hard drive to another?

Although the documentation says you can copy Time Machine backups in the Finder, it's very slow and sometimes doesn't work at all.
Launch Disk Utility, open the built-in help, and search for the term "Duplicate." Follow the instructions. Turn Time Machine OFF in its preference pane while copying the volume.

Two computers to one external hard drive problem, pram reset...

I have a Powerbook 15" 1.0 Ghz and recently I made the mistake of connecting one external hard drive to two computers. My OWC External hard drive was connected to my powerbook via firewire 800 and my PC via firewire 400 with both on. There is a tiny little blurb on the external hard drive's instructions that says do not connect to more than one computer at a time but of course I didn't see that until after the fact. My powerbook was painfully slow so I restarted but it wouldn't come back on. I was instructed to reset the pram, which I succesfully did but now the powerbook is so slow it is unuseable. The pc works fine. Did I do any permanent damage? Do I need to reinstall OSX or what? I will kill myself if I fried something on my powerbook. Please help!!

Disconnect all devices from your PowerBook as well as power and the battery for about 30 seconds. Put the battery and power back in/on and then reset both PRAM (3 consecutive times) and the PMU. Hopefull this'll bring it back to life.
Otherwise, create a new user account and see if things are better there. It is possible that you have damaged software rather than hardware so a clean instal may do the trick.

Is it possible to have two encrypted time machines on one partitioned hard drive?

I am trying to use encrypted time machines for two macbooks (15" and 11") with only one USB hard drive. The problem is that after creating one encrypted time machine for my 15" in a separate partition, the hard drive does not work when plugging it into my 11".
What happens is that I am prompted to enter in my encryption password for the 15" time machine on my 11". I enter in the correct password but it does not work (i.e., password fail). The interesting part is that when I plug the hard drive into my 15", I am asked the same thing, but the password entry works.
This is my current setup for my 1tb usb hard drive:
1) 400gb for data
2) 400gb newly encrypted time machine for my 15"
3) 200gb unencrypted time machine (with old 11" time machine backups) for my 11"
The hard drive is formated/partitioned in RAID format.
All I want is to be able to have two encrypted time machines for each macbook on one single hard drive. Previously I was able to maintain two separate time machines (unencrypted) on this hard drive. I decided to try and encrypt both but seems like I am getting something wrong.

I am prompted to enter in my encryption password for the 15" time machine on my 11".
If I understand correctly, you want to mount the other partition. Are you prompted to do that? Does the password include any characters other than plain letters and digits? Are you using the same keyboard layout on both machines?

Cannot copy itunes from one external hard drive to another.

I have been using an external hard drive for storing my itunes and iphoto for a while now. I have never experienced any issue copying it to a larger drive for back up. My current drive is only 80 gigs (LaCie) and is almost out of space. I bought a new g-tech 500gig mini drive to replace it. Every time that I try to move the files from the old drive to the new one, I get the following error message 10 gigs into the transfer-
[You can’t copy “Music” because it has the same name as another item on the destination volume, and that volume doesn’t distinguish between upper- and lowercase letters in filenames.]
There is nothing on the new drive. I even took the iphoto folder off to make sure there was nothing on it to cause this message.
Is this an external drive issue or a Finder issue? I had no issue moving the iphoto library onto the new drive, fwiw...

I am getting exactly the same problem. It's just with the music folder. I dont get the problem copying other folders over. It gets about 22gb into copying 100gb from one external hard drive to another then I get the error message "You can’t copy “Music” because it has the same name as another item on the destination volume, and that volume doesn’t distinguish between upper- and lowercase letters in filenames." So I tried just copying the itunes folder and I still get the same message. Any advice welcome.

!0.5.8 How do I copy the 'system' form one internal Hard drive to an other (BY CD Packed up) Thank you

!0.5.8 How do I copy the 'system' form one internal Hard drive to an other (BY CD Packed up) I have tried but it will no show 'live' system folder - do and how can I bless it ? Thank you

Carbon Copy Cloner will allow you to de-select directory trees, so you could use it to copy over everything EXCEPT the /Users directory tree.
Mac OS X is NOT just the System Folder. If you do not copy over the rest of Mac OS X, it will not boot. So better to exclude Users and take everything else, then it is to try and pick and choose.
The other approach is to install a New Mac OS X, and then copy over the stuff you want from the home folder(s) and reinstall any apps you want.

One of my drives is hidden

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