HT201250 Can I partition my external hard drive and use one partion for time machine and the other one for data that i may want to use in different computers?

I have this doubt. I've just bought an external drive, especifically a Seagate GoFlex Desk 3 tb.
I want to know if it is recomendable to make a partion exclusively for time machine and let another one so I can put there music, photos, videos, etc that I should need to use or copy to another computer.
May half and half, 1.5 tb for time machine and 1.5 tb for data.
I have an internal hard drive of 500 GB (499.25 GB) in my macbook pro.
Any recommendation?

As I said, yes. Be sure your Time Machine partition has at least 1 TB for backups.
1. Open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to two (2). Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed.

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How can I partition my external hard drive supporting mac OS in one partition and windows OS in another?

Hello everyone, how can I partition my external hard drive supporting mac OS in one partition and windows OS in another?

OK. Start with:
1. Open Disk Utility in your Utilities folder.
2. After DU loads select your hard drive (this is the entry with the mfgr.'s ID and size) from the left side list. Click on the Partition tab in the DU main window.
3. Under the Volume Scheme heading set the number of partitions from the drop down menu to two (2). Click on the Options button, set the partition scheme to GUID then click on the OK button. Set the format type to Mac OS Extended (Journaled.) Click on the Partition button and wait until the process has completed.
4. Click on the Erase tab in DU's main window. Select one of the two partitions, preferably the first one, change the Format type: to MSDOS then click on the Erase button.

Can I mount my external hard drive which will be compatible with both Mac and Windows?

Hello,
Can I mount my external hard drive which will be compatible with both Mac and Windows? If yes, then please let me know, because I intend to use my hard drive for both Windows and Mac, without losing any file.

Yes. By default, Mac OS X and Windows can read and write drives which are formatted as FAT32 or exFAT; NTFS drives aren't writable from Mac OS X without additional software.
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How can I partition an external hard drive with data in it? When I select the drive, the partition option is grayed out.

I am having a problem partitioning an external hard drive with data in it.
When I select the partition, everything is grayed out. I can't add a a partition for some reason. When I asked this question to other people, they told me to select my partition "io" to do it from there.
As you can see, I can't seem to partition it form there either. I ran the Verify Disk utility but the volume came out okay.
Any ideas as to what the problem would be?
Thanks!
Luis

Select the main hard drive entry (topmost one.) Click on the Partition tab. Shrink the existing partition by grabbing the sizing gadget in the bottom right corner and pushing up until you free up enough space for your second partition. Be sure you do not shrink to less than the space currently occupied by your files. Click on the Add[+] button to create a new partition in the free space. Click on the Apply button and wait until the partitioning is completed.

HT201250 I want to add another external hard drive to be backed up by time machine how can I do this?

I recently had an external hard drive die on me. It had all my work files on it, so it was really important to me. When I went to retrieve the lost files from time machine, it didn't appear to have backed up anything from that external drive (and before anyone asks it's a different external drive to where my time machine files are backed up onto). I sent my old hard drive away to a data recovery company, and luckily they were able to retrieve all the data. Now I want to check that my new external hard drive does get backed up this time, but I can't seem to find out how to include this in the back up as it doesn't appear to be doing this automatically! Any ideas on how? Many thanks

Check System Preferences/Time Machine/Options to make sure the external drive isn't excluded.

How can I partition my external hard drive into NTFC and Mac OS Extended Journaled?

I brought a 1tb external hard drive from Western Digital. It currently have one partition which is Mac OS X (Journaled). I want to have two partition, one Mac OS Extended (Journaled) and one NTFC for Windows. When I try to choose 2 partition and choose a partition type, I only get the following choices:
1. Mac OS X Extended (Journaled)
2. Mac OS X Extended (Case-Sensitive, Journaled)
3. MS-DOS (FAT)
4. ExFAT
5. Free Space
I don't want to use MS-DOS (FAT) because I am limited to only 32gb of space and I need plenty of space for Windows files.

Assuming that entire drive is GUID and you keep the existing journaled partition.
Make a second partition that is exFAT (more storage ability than FAT) using DU.
Then mount the drive on a Windows 7 and reformat that exFAT as NTFS. But remember that Mac can read and write exFAT natively, but cannot write NTFS without special software. Perhaps exFAT is what you want.
But more the the point: is the journaled partition used as a backup device? If it is, I would leave that drive alone as a backup drive and use a second device for "data only" sharing between types.

Can I partition my external hard drive so that one partition is for Time Machine and the other is to install Windows with Boot Camp?

I have a Seagate FreeAgent GoFlex 1TB USB 3.0 external hard drive that I currently use just for Time Machine backups. Is it possible for me to go into Disk Utility and create a new partition on the drive so that I may install Windows 7 via Boot Camp? Or since I am already using it for Time Machine do I have to keep it only for Time Machine?

You must install Boot Camp in your internal drive because Windows can't be installed in an external disk and Boot Camp can't do that

Can I partition an external hard drive to run windows games on my Macbook Pro

I want to play windows games on steam but I am not sure if I want to partition my Macbooks hard drive. I heard you could partition external hard drives but didn't know if you could run games on that external hard drive. I have a lot of files on my computer and don't want to take time to move my files to the external hard drive, so can I buy the external hard drive and then partition it to run window games or do I have to partition my actual default hard drive?

Hi! If your macbook doesn't have a cd drive you need to have Windows 7 but an ISO image, you can't just copy the contents of the copy into a USB and expect it to work. There are many tutorials on internet on how to obtain an ISO image from an installation disc, for example: http://pcsupport.about.com/od/software-tools/a/create-iso-image-file.htm As for "just download Windows 7" (i suppose you mean free download) this is not the right place to ask, believe me. Try searching Windows 7 ISO on google, but be careful with what you download and form where, also you are going to download the Windows drivers from the Bootcamp program, try reading this manual to give yourself a better idea: http://manuals.info.apple.com/MANUALS/1000/MA1636/en_US/boot_camp_install-setup_ 10.8.pdf

HT201250 Can I share an external hard drive for Time Machine with my PC?

I am using a PC with an external hard drive. I have a new MacBook and would like to back up the files on the external hard drive as well. Time Machine set-up notified me that if I continued my external hard drive would be wiped clean. Is there a way to save the files from my PC and add Time Machine?

Use the DIsk Utility in the /Applications/Utilities/ folder to repartition the drive. The new partition needs to be formatted as Mac OS Extended (Journaled).
If you want to back up the contents of that drive and not use that drive for holding backups, you need to use another backup method, such as drag-copying files or cloning.
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Can you partition an external hard drive to run both mac and windows files

I have an external hard drive fomated for windows NTFS. I am unable to Write mac files to this drive. I need to be able to share the files
between both platforms. Any suggestions? Thanks

Format it as MS-DOS from a Mac or exFAT from a PC, or install Mac OS X software which allows it to write to NTFS drives, or hook it up to a PC and make it available as a network share.
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How can I backup an external hard drive connected to my mac with time capsule?

The hard drive on my IMac is 500GBytes. It is just about full. I have purchased an additional drive to attach to it permanently through the Firewire 800 interface. My plan is to move my photographs and iTunes to the attached drive. I currently use 2TB time capsule to backup my hard drive. Can I get time capsule to back up the external hard drive as well?
Thanks,
Herb

Can I get time capsule to back up the external hard drive as well?
I assume that you are asking about Time Machine backups to the Time Capsule here, correct?
Open System Preferences (gear icon on the dock)
Open Time Machine
Click Options
Here, you will see list of items that are excluded from backups. By default, the hard drive attached to your Mac will appear here.
Click on the name of the hard drive to highlight it
Click the - (minus) button to remove the drive from the list of items that are excluded from backups
Now, the drive will be backed up along with your Mac on the next pass that Time Machine makes, and any changes that you make to the hard drive will be backed up as well in the future.

External Hard Drive isn't being found in Time Machine. Cant back up my mac.

Just bought a samsung 500gb external hard drive because I need to backup my mac to do a full system reboot because it is completely messed up after downloading the new yosemite update.
But when I go to time machine it isn't offered as an option for a backup disk. I go to disk utility and I can't reformat the hard drive from MS-DOS (FAT) to Mac OS extended (Journaled). I try to change it and it reverts back straight away and I can't change the name of my hard drive. I don't understand what I have to do, i'm currently in safe boot because my laptop runs too slow in normal mode.
Any help would be great.

Select the icon of the drive you want to partition—not any of the volume icons below it—in the Disk Utility window. Select the Partition tab.
From the Partition Layout menu in the window, select One Partition.
From the Format menu, select Mac OS Extended (Journaled).
Click the Options button and select GUID Partition Table.
Click the Apply button and confirm when prompted.

My Lacie external hard drive will not back up on Time Machine. Says there's not enough space. This has happened with every single external I've purchased. Thought TM was supposed to delete old backups??

My Lacie External backed up on Time Machine after the first back up but now says there's not enough room. I thought TM deleted old back ups to save new versions. What am I doing wrong. This happens to me constantly. Every single external hard drive I've purchased for the MacBook Pro (5 of them) has not worked either initially or at the second back up. It either isn't formatted properly so I have to go to Genius bar to help me set up for the first back up, or after the first back up, it says there's not enough space and I have to go back to Genius Bar. Is there a way I can fix this on my own?

I just purchased 2 external hardrives. a LaCie Minimus and a G Drive. Each 1 TB. The guy at Apple told me that would provide 2 good TM backups for me. My internal HD has 750 GB capacity, of which I'm using 700 GB. Perhaps the ratio is not great enough. I do wish they would have told me this before I purchased the two Bummmmer! I even had them format and get the first back-ups going because of issues I've had in the past. I also just bought a 750 GB for photos.
So, I won't be able to buy another bigger external since I've just purchased 3. Ugh. Well, I'll just exclude some files and divide things up. Eventually, I just want my 20,000 iphotos on one of the 1TB externals, and a TM back-up on another so that iphoto will function once more. It really hates how many photos I have and is brutally punishing me for it.I seriously need to do some housecleaning!
Thanks for the advice. Just moved from US to Australia last week and was hoping to upload a few photos and the domino effect has lead me to this. Just went to Genius Bar in Perth today and they told me how to reformat drive to transfer iphoto library over, but I got stuck at trying to back-up my TM.

Mac air with external hard drive - not being found on Finder, Time Machine, Migration Assistant

I have been using an external drive (Imation Apollo) to access only, old files from previous computer (PC) on a new Mac Air. I had not transferred them across to new computer (didn't want to do that) just accessing them from the HD. It had been working fine until recently. Each time the external drive had been connected Time Machine would come up and ask if i wanted to use this drive for back ups, and I always chose 'Decide later'. So, as yetI hadn't as yet configured Time Machine to do back ups.
Recently I noticed that the extrnal HD was no longer showing up on Finder. Slight panic as i have 5 or 6 yrs of work saved on that HD
Further investigations - it's also not showing up either on on Disk Utility, or on Migration Assistant.
I've done the following:
Tried HD in each of different USB ports - made no difference, HD still not showing up
Tested different Hubs in each port with HD attached - no difference HD not showing up
Tried USB flash drives in the USB ports - These are working fine and show up on finder
Tried the HD on other comptuters (a PC though, don't have access to another mac to do this test)- working fine, the HD is showing up and is accessable
Interrogated the Console logs to try to see if the act of attaching the HD creates a log entry - couldn't find anything
Rebooted computer via shut down, power disconnect - no difference
Reset PRAM - no difference still not showing up
Reset SMC - no differnce still not showing up
So I think I have established that all the USB ports are functioning correctly and able to access other external drive devices, using hubs with external powersource is not the issue, identified that the external hard drive is working OK, and it appears that the Mac itself is functioning normally.
What would be the reason the Mac now does not allow this specific external HD to be identified and accessed. The only possible things I can think of are
if I had in fact pressed 'Do not use' when Time Machine asked 'do you want to use this drive for back ups'. Would that mean that the Mac now totally rejects this HD from being a source of accessible files - I hope not!
I also think that my husband may have disconnected the hard drive from my computer to access some stuff and he just yanked it out rather than use the safe eject method. Could this create an issue? The Hard drive works fine on his PC.
Why is my Mac Air now rejecting this HD and what can I do to access my historical files now.
Any assistance anyone can provide would be very greatly appreciated!
Thanks
Anna

I can't answer why it isn't accessing it, but I have a slightly related issue w my back up drive starting to get noisy.
Realizing that redundancy is safety for critical data. I talked to my brother about my situation the other day & he said he has 3 small Western Digital portable HDs that he rotates for backup. He even keeps 1 in the safe deposit box.
I have read for some time that we should have multiple back ups & also have our critical stuff backed up off site. Amazon HD reviews had a woman telling about how she was very backed up on multiple computers & hard drives, but they were robbed or burgeled & all of them were stolen including her thesis that was on the computers.
Hard drives aren't that expensive. I just bought a new Western Digital 1 TB drive for $89.99. I plan to use it to back up the Seagate that is getting noisy & then maybe alternate them.
Also, when I came back to Mac, I moved practially all of my documents to Mac. I think I just dragged & dropped or something. Photos, Office, & pdfs do fine that way. & then you could back them up to a couple of different external drives & remove from your MacBookAir.
Unfortunately I think most of us do not back up until crisis & then it may be too late.
Also use Time Machine. For the 1st time in my computer life, my computer is well backed up--although now realizing the need for redundancy so will start backing up to at least 2 different HDs alternatly.
So, not sure why it isn't working & hopefully you have come up w a solution by now.
I think what I would do in a situation like this, since you can access it on the Windows machine would be to transfer the data to the Windows machine & then transfer it back to a different back up.
I'm looking into backing up what I still have in Windows using a thumb flash drive. I think it should all fit ok now that they have the larger drives & I don't have very much left in Windows format.

I need step by step instructions for backing up tiger to external hard drive. I don't have time machine..HELP!

I am trying to upgrade to Snow Leopard but need to backup before upgrading. How do I backup os x 10.4 tiger on Mac pro to an external hard drive. Does any one have step by step instruction?

It would help to know where you are in the processs. Do you already have a drive?
Cloning And Backup Tools
A bootable clone is an exact copy of your drive which is capable of booting your computer. Making a copy of your computer which is capable of actually starting the computer requires special copying procedures which simply dragging files in Finder won't achieve. Some people just back up data files but if you have problems you have to reinstall all your operating system and all your applications. With a bootable clone you just start up from the backup drive and clone back everything.
To clone one hard drive to another hard drive you can use:
[CarbonCopy Cloner|http://www.bombich.com/software/ccc.html] (donationware)
[SuperDuper|http://www.shirt-pocket.com/SuperDuper/SuperDuperDescription.html] (shareware)
[IBackup|http://www.grapefruit.ch/iBackup/index.html] (free)
The Restore function of Disk Utility included in OS X. [Kappy's directions|http://discussions.apple.com/message.jspa?messageID=8799711#8799711]
[Tri-Backup (commercial)|http://www.tri-edre.com/english/tribackup.html] (payware)
[Silverkeeper|http://www.lacie.com/silverkeeper/] (free) - version 2 has some issues (references: [here|http://www.macintouch.com/readerreports/backup/index.html#d12jan2009], and [here|http://www.macintouch.com/readerreports/backup/index.html#d13jan2009]) and it is recommended Tiger users stick with 1.1.4.
[Kappy's Backup Software Recommendations|http://discussions.apple.com/message.jspa?messageID=9065665#9065665]
[Overview of Mac OS X Backup Programs|http://8help.osu.edu/1247.html]

HT201250 Can I partition my external hard drive and use one partion for time machine and the other one for data that i may want to use in different computers?

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