OS X :: Partitioning External HD After First Use?
Nov 9, 2010
I'd like to partition my external HD into two parts: one for Time Machine and one for storing photos and other files so I can free up some space on my internal HD.
I've been using it out of the box for Time Machine for about a month now. I'm just wondering if I can partition it as it is with the backups on it already or do I have to wipe it clean, partition it, then start over with Time Machine? I would just like a 200 GB partition for Time Machine and the rest for storing data.
Also, Disk Utility is a little confusing. It has my external HD in there and then there is a "sub drive" (not sure the technical name.. sorry) under that? That's just drive that Time Machine made more or less? And every time I partition it, there will be a "sub drive" for each partition?
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Jan 9, 2010
I have a 250 GB external I've been using for Time Machine since late 2007. I happened to check it today and it was nearly full~so I'm in that process of deleting some of the older data (that process is taking forever).
I would like to partition this external and use some space for iPhoto since my main HD is getting full. Is this a fool's mission? I can understand if I started from scratch but with a nearly full one is it possible?
I do have backup off site (Carbonite)~~maybe it would be easier to erase the external and start fresh?
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Nov 3, 2007
In the effort to use Time Machine, I want to partition my external drive. I have 500 gig external, and would like to have one partition of 480 and one around 20. This way, Time Machine will only back up onto the smaller partition, not endlessly backing up until all 500 gigs are used. The reason I need to partition without erasing is my 170 gig iTunes library. Its too large to transfer to my internal HD, and I have no other drive to store it on.
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Mar 11, 2012
Still new to iMAC (1TB). I have an external HDD 1.5TB and initiated TimeMachine (seems easy and fit for purpose) to keep a backup of everything on the iMAC. The iMAC did not come with an installation disc - apparently I would need to download the OS again should it fail or corrupt - unfortunately I have a VERY slow net connection - is there any way of backing it up to the external HDD to avoid having to download?
I believe I can purchase a copy of Lion in a flash drive - but I have already paid for Lion when I bought the machine? Would cloning sort this issue? If so - should I put the clone (Using something like CCC) in a separate partition? Have come across Recovery Agent - does it need to go in a separate partition? Finally - for now (!!) if I have to create any new partitions on the external HDD will it erase existing files, meaning I have to restart Time Machine?
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Nov 10, 2010
I purchased a Seagate 500GB external drive for my father to use for Time Machine backups. I can't find anything conclusive on whether I need to monkey around with the partitions in disk utility, or just send him home with it and let him say "yes" when he plugs it in and OS X asks if he wants to use it with Time Machine.
Apple's knowledge base has an article that makes a passing statement that "GUID Partition Table (GPT) or Apple Partition Map (APM)" is recommended- but it pretty much stops there. Should I do something to this drive before giving it to him to take home, or shouldn't I? I mean, either it is compatible as-is, or it isn't, right?
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Jun 16, 2012
I realized Mac OS X 10.7.4 will only read NTFS partitions (can't write to it). I could install a third party driver or use FAT32. I decided to split the external Seagate HDD into two partitions (NTFS and Mac OS Extended FS).
I went to Mac OS X's Disk Utility, but there was no way to partition the current single 500 GB NTFS partition with my existing data. It seems like I have to erase it with my data, and then partition into two. Is that how it supposed to work? This was on a new Mac Mini with all updates.
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Apr 1, 2012
how to properly format and partition an ext drive using Disk Utility. I will be making a clone using CCC.
Info:
iMac (21.5-inch Mid 2011), Mac OS X (10.7.3)
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Nov 22, 2010
I've got a 500 GB HD in my Intel iMac. I've got a a 500 GB external HD that Time Machine keeps maxed out. I want to partition the external HD to make room for my iTunes music file. I know that partitioning will erase everything. Questions: 1.
When I start up Time Machine after partitioning, will it do a full back up? 2. How do I move my iTunes music file to the external HD? 3. After I move it, will it still behave the same? Any other tips about what I'm wanting to accomplish will be appreciated.
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Aug 20, 2010
Awhile back I bought a 500 GB Seagate FreeAgent Go external hard drive to backup my 218 GB PC. I used the automatic backup software that came with it and it works fine. After all this I purchased a MacBook Pro and now, instead of buying another drive and also considering there's plenty of space on the one I already have, I was wondering if I could possibly partition half the drive to be used as a backup with Time Machine without touching the other half. I plugged in the drive to my Mac and opened Disk Utility. It says it is a NTFS file system (I suppose that's normal).
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Dec 24, 2009
I have inadvertently partitioned my HDD in boot camp....how would i go about un-doing that?
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Nov 18, 2009
I'm the kind of person that would rather attempt trial and error before conceding to follow some step-by-step guide. But this time it cost me. I deleted my OSX partition and am now left with Windows XP. When I boot from my OSX install disk it eventually asks me where I would like to install the OS, but only offers me a choice of the (25gb) Windows partition. I see no options listed that how to create a partition at that point.
So I assume I need to create a partition from within Windows first. I went to Administrative Tools > Disk Management and found a list of several partitions. Two of them are around 200MB in size but the other two are ~25GB and ~125GB. The latter is obviously the remnants of my OSX partition but when I (right-)click on it the only option offered is to delete it.
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Mar 28, 2009
I got the new HD in the 800mhtz Imac, but the guy that installed it said that he partitioned it for the OS. I have never heard of having to do this on a Mac. I have always just hit the "Go" button and put it on there. Will it cause any problems if it is truly partitioned?
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Dec 2, 2010
What is the best software, mac or windows, for resizing mac formatted partitions?
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Dec 21, 2008
I have a 500GB external hard drive. I would like a 250GB FAT32 Partition for Windows on boot camp and a 250GB Mac OS extended partition for TM. However, I don't want OS X to recognize the FAT32 partition when I plug it in. How would I do that?
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Mar 27, 2009
how long should partitioning normaly take? i'm partitioning my 250 gb harddrive in my UMBP (2,4ghz) and it has been busy untill this verry moment, and I started it 5 hours ago. is this normal? would every bit of progression be lost if I quit the proces and restart it?
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Aug 13, 2009
I'm in the process of setting up my uni macbook pro (5,1) to triple boot OSX, Win7, and Ubuntu 9.04. Thus far I have bootcamped Windows 7 and am going to use diskutil to split my Macintosh HD partition into 2 partitions for the purpose of installing Ubuntu while keeping the BOOTCAMP partition intact.
The thing is, I've been running Diskutil for about 5 hours and it hasn't finished the partition split. I know it takes a long time for the partitioning to do it's job because all the data on the disk needs to be kept on the disk for the entirety of the operation and not go through RAM for caching. Basically, has diskutil has borked? Or does it usually take this long to do a similar operation?I'm working with a 320 Gb HD @5400rpm. Further, Both installs of Windos and OSX are relatively new. All software is up to date.
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Jun 15, 2010
Forgive me if this is a stupid question. I'm ordering my 13" MBP tonight and ordering the 500gb Momentus XT as well; I've never had a mac before/used bootcamp I was wondering if when you partition the hard drive for whatever other OS you are going to install (7 64b for me) do you also have to partition some of the flash memory or is the flash memory for all partitions?
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Jul 18, 2010
I know that Partitioning a SSD won't matter in speed since there's no inner/outer rings to the platter. But is it possible for organizational purposes? Like if you want an OS partition, but then a different partition for files/temp things that you can format/erase all at once? I can't seem to get my system drive down to below 60 gigs, so the OWC 60gig SSD is just too small. But the 120 is way too big. So I was thinking of doing like an 80gig partition for my current OS/Apps and just SuperDuper it over and then have a 40gig partition where I put my most recent "heavy use" files, like work files and such.
Where I can change them in/out depending on what project is at the top of the hopper. That way, if I have 20 gigs of work files, I can use the SSD to store them and have other SATA drives backup/store the main storage. And then if a new project comes to the forefront, move the files from the SSD to the storage, and move the new projects to the SSD partition. And, I could set that 2nd partition to be the photoshop scratch too. And yes, I have triple redundant backups, so everything on the SSD or SATA drives would be backed up to 2 different places daily anyways.
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Aug 30, 2010
I've been trying for days to get bootcamp to work on my 2010 MBP and it freezes every time. When I say freezes I mean, it locks up my entire computer to the point where my only option is to do a hard restart with the power button. Is there any way to get it to partition my hard drive or use another program to do it?
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Sep 2, 2010
I bootcamped Windows on my MacBook, but it was partitioned wrong, now my Mac OS, which was Leopard, is gone.
Is it possible for me to just upgrade now to Snow Leopard?
Or will I have to find my Startup disc for leopard to start it up?
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May 11, 2008
I currently have Leopard installed on my MBP. A while back I installed Windows XP Pro SP2 via bootcamp. I have a 130GB Leopard partition, and a 18GB Windows partition. Now I want to add another partition, splitting the Leopard partition into two. I want to add a 20GB partition. I have cleaned my computer, and there is plenty of free space to do this. Currently 70GB free. So I go into disk utility, and try to partition. Doesnt work. Says that it failed to verify, repair disk. Then i boot from Tiger install disk, open disk utility, and verify disk. Says there are errors so i repair disk. Says that it repair worked. Verified again just to be sure, no problems. Go back into leopard and disk utility to try and partition, still does not work, I get the same error.
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Jan 4, 2009
I am running windows XP with a 160 GB hardrive. i have 90 GB free and i would like to partition some of that free space to an HFS+ format so that i can install Mac OSX. However i would like to keep all of the files and stuff i have on my windows XP. does anybody know what i can do to do this?
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Feb 1, 2009
I installed windows xp on my leopard mac (although I know not why might I want to use it for) and I wonder whether the processing power/performance is going to be somewhat altered? Any sense talking about process partitioning? PS Hypothesis is that I shall not use programs like Parallels.
Mac book - 2.4Ghz - 2MB - 120GB
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Jun 27, 2009
I keep getting this error..."The disk cannot be partitioned because some files cannot be moved. Back up disk use Disk Utility to format it as a single Mac OS Extended (Journaled) volume. Restore your information to the disk and try using Boot Camp Assistant again."So I've checked and my HD is already a Mac OS Extended (Journaled) volume. I've gone to Disk Utility and verified the HD, verified permissions, and repaired permissions. I don't know what else to do. I don't want to backup the entire drive and format it.
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Aug 15, 2009
now I lost 5 gb's of space...
because the process never completely finished, a drive does not show up on my desktop...
I've tried everything I know... does anyone know how I can regain my lost hd space?
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Aug 17, 2009
I tried to use Bootcamp to install Windows XP Professional. When trying to partition through bootcamp I got this error:
"The disk cannot be partitioned because some files cannot be moved. Backup the disk and use Disk Utility to format it as a single Mac OS Extended (Journaled) Volume. Restore your info to the disk and try using bootcamp assistant again."
I tried to create a journaled partition after using the disk utility to fix any problems which it found none. The problem was that the partitioning never stopped it went on for hours till I finally canceled it. I also have a problem with VMware Fusion which you can find here: [URL]
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Dec 11, 2009
I recently put a 320gb drive into my macbook and partitioned it into 3 drives one for the OS, one for apps and one for data, eg photos, music etc. Is this necessary? It's what i do on windows based pc's but not sure whether i need to do this on the MAc in quite thae same way. Does anybody have any recomendations for partitionig this drive, i don't intend runnig bootcamp or similar, just snow leopard.
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Feb 18, 2010
I'm on a 15" macbook; 128 SSD with a single MAC OS Extended (Journaled) partition of size 120.99GB with 44.52GB of free space.I would like to install Windows 7 on my computer, and so I went to make a small partition for it. Using Bootcamp in an attempt to create a 30GB partition, I got an error message saying that some files could not be moved, and so the partition failed. I have no idea what those unmovable things might be.Using Disk Utility, trying to partition the drive results in a failure. In response to some threads I was able to find, I tried partitioning the new drive as free space, as well as trying for 30GB, 25GB, and 20GB... all met with failure.I have a time capsule, but my attempt to back up my computer seems to stall at the point of checking for changes (no change after 30 minutes, get pinwheel, tried repeatedly)How can I go about making a little partition for a Windows install? I've never felt so failed by OS X
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Feb 23, 2010
Here's the problem. I'm trying to install Windows 7 Ultimate through bootcamp and the problem is, that when it restarts to boot and install from DVD, the screen goes black with the tickling white underscore and it won't load.
every time I start OSX, a box appears saying that the latest firmware for the EFI 1.4 or something has been successfully updated. Could it be related or is it something else?
Specs:
MacBook 5.1 , 2.4Ghz 13'
2Gb RAM DDR3
NVIDIA GeForce 9400M 256MB
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Feb 25, 2010
How can I partition my hard drive (1TB currently in one partition being used completely by OS X Leopard) so that I can use the additional free space to install something like Ubuntu or Fedora onto my iMac G5 PowerPC? I've tried making multiple partitions, but they aren't counting as free space. Is it advised to just shrink the current partition a little?
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