I'm also considering that myself, but will only do so if I run into space issues cause I'm cheap.I will explain to you just the basics how storage drives operate in regards to different operating systems, formatting and partitions, especially sharing data with Windows PC's which is the most common asked about issue.How to change sector size of the physical disk without re-formatting in Windows 7 and Windows 8. Then you could simply format your larger second drive as HFS+ and be done. One workround is installing a third party product within your Win7 bootcamp OS that will allow you to read and write on HFS+ (Mac OS Extended) formatted file systems.
![]() Open Disk Utility in the Applications/Utilities folder and select the drive on the far left with a makers name and size, then click Partition tab: Options: (for a establishing a specific partition map scheme), partitions, and Format (for selecting a specific format for the drive/partitions)How do I format a drive for booting with a Mac?Same steps as above, choose GUID as the Partition map under Options, and OS X Extended journaled (HFS+) as the format for the partition your going to be installing OS X into. A neutral exFAT or FAT32 (MSDOS) format is better as either platform can read it without more software installed.How do I format a entire external drive on a Mac?Unmount and disconnect all other drives to prevent a mistake. It's hassle, you'll have to pay and have it updated like any other software. Check the data was transferred and is accurate before changing the drive format and thus erasing it.There is third party software than can be installed enable read/write of the NTFS format on Mac's, you'll need to search online for it. (please read further on about the differences between FAT and exFAT)Recent Mac's can read NTFS, but not write to it, so this might be enough to transfer data off, then reformat the drive. Format Drive And Pc Bootcamp Free Space AvailableYourIt just uses a default in relation to the size of the drive being formatted.I went to format a Bootcamp / second partition on my boot drive and it's restricting my size, I know I have more free space availableYour partitions are stacked like so before creating the second partition.Your partitions are stacked like so after creating the second partition.When you try to create a Bootcamp / Second partition it's started from the bottom free space remaining on the OS X Partition and works it's way up until it hits data written on the drive from OS X. Unfortunately, OS X doesn't give you an option to pick a block size. Formatting on Windows creates the disk/flash drive with a smaller block size that both system like. It's technically correct, but Windows doesn't like it when the block size is larger than 1024 KB. (exFAT or MSDOS) and click apply.If it still doesn't work, format the drive on the PC.OS X appears to be using too big of a block size. MSDOS is what Apple calls FAT32.I formatted the external drive exFAT or FAT32 (MSDOS) on my Mac and took it to a PC and it asks me to format!Don't format it (unless your willing to erase all the data on it)Take the drive back to the Mac and copy off the data (if you don't have a copy on the Mac already) and try formatting it again, this time making sure to select the Option: MBR then chose the format. Speed meter pro license key freeYou really only get one more partition on the boot drive, if it's used up for Bootcamp that's it.You can use Disk Utility to change the format of the Bootcamp partition to GUID and OS X Extended Journaled and install OS X there, or clone it from the first partition even.Technically it's possible to have up to 16 partitions on a external drive, but the OS X internal boot drive is mostly limited to one extra.Use a blank external drive, Disk Utility and experiment applying Partition Map schemes, creating partitions and formatting those partitions.Creating/deleting a partition on a booted system can be risky, always have a copy of your personal user data files off the machine before proceeding.Bootcamp or Disk Utility hangs or won't formatIf you have a problem formatting your second partition in Disk Utility or Bootcamp, quit Bootcamp, hold c and boot from the 10. (have to change the format as Windows only installs into NTFS)You can create/delete one more partition using Disk Utility or Bootcamp on the boot drive and then use Disk Utility to change to another format for that partition, but DU won't format NTFS. It's formatted FAT32(MSDOS) which if you go and install Windows 7 via their install methods will change that format to NTFS. When files are deleted it leaves holes and thus the data on the drive isn't all nice and compact all the time to provide all the free space at the bottom of the drive to create the second partition.To fix this requires cloning one's OS X partition to a external drive, hold option boot from it to check it out, erase the OS X partition in Disk Utility (booted on the clone) onto the internal drive OS X partition, then reverse clone the external OS X partition back onto the internal OS X partition.This will effectively write all the data of the OS X partition starting from the top of the partition and working downward, so when you boot off the internal OS X partition you will be able to format your second partition with more of your remaining free space available.Read more about clone/reverse clone here:BootCamp: "This disc can not be partitioned/impossible to move files."Can I have more partitions on my boot/external drive?With OS X, your allowed to create one more partition using Bootcamp on the boot drive.
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