Hardware :: Formatting External FW Drives - Using Extended Or Journaled?
Jul 15, 2008
I've been having problems with 3 Maxtor 500GB 400/800/USB FW drives. They will randomly unmount themselves -- forcing me to turn them off, wait a minute, then turn them back on. There doesn't seem to be any pattern to when they unmount themselves. All three drives had been formatted using Mac OS Extended (Journaled), and I'm on the most recent version of Leopard.
Thinking I had 3 lemons, I called Seagate (who purchased Maxtor) for tech assistance. The tech guy told me that external drives should not be formatted using Journaled, only Mac OS Extended.
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Aug 22, 2009
Just got a HD and I tried to format it to Mac OS Extended (journaled) From a MBR. After the erase is done it's still MBR!
HD Detail:
Name : FUJITSU MHV2120BH Media
Type : Disk
Partition Map Scheme : Master Boot Record
Disk Identifier : disk1
Media Name : FUJITSU MHV2120BH Media
Media Type : Generic
Connection Bus : USB
USB Serial Number : 000000000033
Device Tree : /PCI0@0/USB7@1D,7/@3:0
Writable : Yes
Ejectable : Yes
Mac OS 9 Drivers Installed : No
Location : External
Total Capacity : 111.8 GB (120,034,123,776 Bytes)
S.M.A.R.T. Status : Not Supported
Disk Number : 1
Partition Number : 0
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Feb 21, 2010
I just recently realized that my Seagate external HD is under Mac OS extended (journaled) and not Mac OS extended. I only want to use this device for storage/backup and don't want to run anything off of it. Is there any non-destructive way to change it to just extended? If not, what are some of my alternatives?
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Jul 5, 2012
How do I reformat a MacBook Air from Mac OS Extended to Mac OS Extended (Journaled) so it will boot / reinstall Lion?
Info:
MacBook Pro, Mac OS X (10.7.4)
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Aug 6, 2007
What's the difference between Mac OS Extended and Mac OS Extended (Journaled)? Which one is better to format an external hdd that's going to be use mainly as a scratch disk?
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Jan 19, 2011
My computer was acting slow so I ran Tech Tool. It came up with various Volume errors but they were all fixed. I noticed that this computer was formatted as Mac OS Extended but NOT Journaled like the other two in our office. I was unable to add Journaling with either Disk Utility or Tech Tool. Both cases said that "Journaling failed" or "unable to add journaling". I believe I used to have journaling because I often use Onyx for repairing disk permissions and various other processes and this was the first time that I encountered the error "Not possible to verify the start-up volume because it is not journaled". I ran the Apple Hardware Check and the Hard drive is fine. So, after trying the previous mentioned utilities again to try and "journal", I decided to perform an Archive & Install. I am in the process of updating the OSX software, but I noticed the HD still says Format: Mac OS Extended...Hmmmm. Can anyone shed any light on this problem?
PowerMac 2x2.66Dual-Core Intel Xeon
OSX 10.5.8
5Gb memory
232 GB hard drive with
External LaCie HD connected
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Jun 26, 2007
I've got an external HD. The first part is formatted to NTFS. The second part was formatted to FAT32. I plugged it in via Firewire and went to erase it to a journaled filesystem. It did something and left the drive unmounted. I could only format it to FAT32. Any ideas why I can't format it to journaled? I want to backup my user dir.
Edit: Tried another drive. 2 fat32 partitions. I tried to format the first and it didn't work. Formats to FAT32 well enough.
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Jul 27, 2010
I just got my new Seagate 640gb external hard drive and am in the process of formatting it on my MBP. However, I am not sure which format to do? My main use for the hard drive is for transferring media files back and forth between my MBP and PC using just one partition on the drive. I already know I'm not supposed to pick 'Mac OS Extended (Journaled)' because I believe that is to use it as a boot drive. So should I pick 'Mac OS Extended' or maybe 'Free Space'?
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Oct 12, 2008
Awhile back I made a Vista partition, shortly after I deleted the partition. I now want to make a new partition, but when I go through bootcamp to allocate space, it gives me an error saying i need to have a "Single Mac OSX Journal Extended drive.
The problem is, my drive shows up as Journal Extended. I would really like to not have to reformat my drive, as I do not have the CD's for all of my programs. Is there any way around this? I do have an external HD if necessary.
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Sep 2, 2010
I just bought a new external hard drive and backed-up my computer onto it. Then today I realized that I didn't format the drive. All I did was follow instruction for hooking it up. Also, I'm a Mac user. Is it customary to do a full and proper format of newly purchased external hard drives? The most I did was verify the disk in disk utility when I first plugged in the HD to my computer. Is that enough?
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Apr 8, 2010
got a real basic question to ask and you're gonna think im an idiot for asking...I just bought a 320gb western digital elements hard drive and want to reformat it so that its compatible for both mac and pc's. i intend to format it as NTFS-3G as it would allow me to use it on the 2 platforms without having the 4GB file size restriction that fat32 has, anyway.....
when I go to reformat my external hard drive in disk utility, I see my external hard drive to the left, and there's a "sub" hard drive as a child of the external hd listed uppermost. just wandering which one of the two do i select before going to Erase>Windows NT filesystem (NTFS-3G)>erase? Do I select the uppermost drive and erase that or the lower one? or both
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Nov 8, 2009
I got an external drive (NTFS). I want to use it for mac. Do I just partition it into 2 partitions? Or do I need to Erase it into one Mac Journalled volume first? I am erasing it now, it says its gonna take 12 hours. Or is erasing the first step. And then partitioning is the second step. Two distinct processes/operations, right? (I basically want two partitions on it, both OSX journalled. One for super super, and the other to maybe try sandbox or just storage or maybe time machine.
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Jul 8, 2009
I have the external drive formated as FAT of 1TB.
I have erasing all data whole day (about 20 hours) and formating as Mac OS Extended (Journaled) but at the end it reports an error.
Now, when I connect hard drive to my MBP it says "disk is not readable on this computer" - Initialize...
When i try to format as Mac OS Extended (J) it says: "Disk erase failed with error: File system formated fail"
I tried to format it on PC (Vista and XP) but they even can't see hard disk.
What should I do to get journaled formated external hard drive?
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Apr 16, 2009
I have a Western Digital Elements 1TB External USB drive and am unable to format 1 partition as Mac OS Extended (or Journaled for that matter) in Disk Utility. I can format the drive as FAT32 with no issue, and I can format the drive as FAT32 with 1 NTFS partition with no issue. But any time I try to format the partition as Mac OS Extended or Mac OS Extended Journaled it reports an underlying error and stops. I can't figure it out. I don't know what the problem is or what to look for. Does anyone have any pointers?
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Mar 25, 2009
so I have about 60 gigs free on my windows 320GB external. It is currently NTFS formatted. Is there a way I can allocate some of that free space to function as a mac formatted drive.I've tried googling this for a long time and all I can find is the reverse of what I want to do.my specs/capabilities:I 24 inch imac bought new this month.which is supposed to translate as: 10.5.6, 4GB of ram, 2.66GHz core 2 duo)I have the whole fuse thing working, but disk management won't give me the format option...is there a program for this? or some kind of tricky business I need to do?n
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Apr 15, 2012
How do I reformat my external hard drive with Mac OS extended using desk utility?
Info:Mac Pro, Mac OS X (10.5.8)
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Feb 12, 2008
My external has been acting weird lately like crashing and just today it started not letting me trash anything off it. So I investigated more into and fiquired out that when I bought it second hand I forgot to format it for Mac. It's formatted with MS-DOS File Systems (FAT32) all this time. Now I don't if that's the reason for the weirdness lately but I think it should be formatted?
Question-although be it a lazy one, is there anyway to format an external HD with moving everything off of it? it has over 67GB of things on it. I can't move it to the internal, cause my poor little G4 is only 19GB. If there isn't anyway to do it, I will have to start burning DVD's I guess. Just wanted to check though.
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Mar 17, 2012
I bought a 2 TB Western Digital external HD for my iMac and instructions say it's set for PC and needs to be formatted for OSX. It sounds simple enough, but I'm new to Apple and want to make sure all I do is to reformat the HD thru Disk Utility.
Info:iMac, Mac OS X (10.6.8), 2.5 GHz 2GB Ram 500GB external
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Aug 19, 2008
When I try to format my Western Digital "MyBook" external drive, I get an error. It says "could not unmount the disk." What does this mean, and how do I fix it? Also, what's the difference between Mac OS Extended (Journaled) and not journaled?
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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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Mar 20, 2008
I just purchased a new 750GB Seagate FreeAgent drive. I hooked it up via FireWire 400, opened Disk Utility and tried to format it as Mac OS Extended (Journaled). It gave me an error message saying it was the wrong format (or something like that - I can't remember exactly). I tried every Mac OS option and it gave me the same error message.
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Apr 21, 2008
I have an external external 500gb Seagate hard drive, that works fine as a USB external but I wanted to put it inside my MacPro, is this possible without any need to format, just plug and play?
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Dec 26, 2009
if i can partition my Windows NFTS External Hard Drive. I do not want to format it because i have some important files and programs on my External Hard drive, But I also want to use it for Time Machine Backup. I was wondering if it was possible to Not format my Hard drive, Partition it, And then format the 2nd partition to Mac, and use it for time machine. I am using Mac OS X Leopard 10.5.8
The Capacity of the EHD is 55.9GB
Available: 37.1GB
Used: 18.8GB
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Apr 2, 2012
I recently bought an external 1TB Samsung usb disk for my Imac.I cant get the disk to partition or format correctly.Disk utility just keeps hanging waiting for the disk to reappear!
Info:
iMac, Mac OS X (10.6.8)
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Jan 24, 2010
I just bout this Western Digital External Hard drive, Passport SE. Anyways, I formatted it to MS-DOS (FAT) so I can use on mac and/or windows. One of the other main reasons I bought it was so I could use it to watch videos on my Xbox 360.
Now I've seen tutorials online with windows how to re-format it to FAT32 so it works properly on xbox 360 but cannot figure it out on mac? On some of the tutorials they use certain programs to do it, is there something like that for mac I can download? Is fat32 and fat the same? I know there has to be a way for me to be able to format it to FAT32 using mac.
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Mar 18, 2012
I have an external hard drive which I first used with my pc. It is formatted for NTFS. Now with my new MBP, I want to back up data, and I am having no luck. The external hard drive is a Verbatim brand, 500GB. On their website FAT32 download dosnt work! I have tried disk utility with no luck. What am I missing?
Info:
MacBook Pro (15-inch Early 2011), Mac OS X (10.6.8)
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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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Apr 14, 2012
I am, I hope, at the end of a 36+ hour formatting process with this WD Elements 3TB external drive. I decided to zero out the drive and when I went to bed last night at around 12am, there were about 6 hours left in the process. This morning at aroud 9am I went to check on the drive, expecting it to be ready to go, but I found it writing a temporary file. The progress bar is about 90% done. Is this part of the normal zeroing out process? If so, how long should this take? If this ISN'T part of the normal process, what should I do?
Info:
Mac Mini 2 GHz intel Core 2 Duo, 4GB 1067 MHz DDR3, Mac OS X (10.6.4), 512 MB DDR SDRAM
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Jun 5, 2012
what are the disadvantages of formatting an external drive as FAT32?
Info:
MacBook Pro
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Dec 27, 2010
I bought a WD My Book Essential to do Time Machine backups. It is formatted for a PC but I was told I need to format for my IMac before I can use it. How do I do that? Is it a complicated process? I have only been using a Mac for about a year now and am still learning about them.
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