Hfs+ file system for full mac compatibility

Format or Erase a Mac Hard Drive - All Formats Explained APFS, HFS+ Mac OS Journaled, FAT, ExFAT

HFS's bit allocation mapping table was a serious limitation for the file system. It meant that HFS could not support more than 65, allocation blocks. This problem became apparent as disks became larger and the smallest amount of space that a file could take up became excessively large. With the same idea as Example 1 in mind, even a 1 byte file on a 1 GB disk would require 16 KB of disk space. There will be a single document accessible, explaining that the files on the disk are present but inaccessible. It stores data about the volume, including the size of allocation blocks, timestamps and the locations of other volume structures such as the Catalog File or Extent Overflow File.

Choosing the Right Format for Your External Hard Drive

It is always found in the same place. Allocation File: keeps track of which bocks are free and which blocks are in use. A zero bit means the block is free, while a one bit indicates towards a block in use. The Allocation File differs from the HFS Volume Bitmap by being stored as a regular file, not occupying a special reserved space at the beginning of the volume. It can also change in size and does not have to be stored contiguously within a volume. I just used on 2TB flash drive that worked poorly on mac. Thank you so much for this easy to follow and understand explanation. I have OS X Really appreciate how you explained everything in simple terms, so not only was I able to do the formatting, I also understand what I am doing and why.

The Ins and Outs of Appleā€™s New File System, APFS

I can now drag and drop files on to the new passport and they copy fast. Thanks a bunch. Currently you have JavaScript disabled. In order to post comments, please make sure JavaScript and Cookies are enabled, and reload the page. Click here for instructions on how to enable JavaScript in your browser. View Results. The name itself was an accident, shouted by Frankie P. Find out more about us or send a friendly message.

It's great to hear from people! Need some guidance? Browse our Archives. Subscribe to our RSS feed. Follow our Twitter. Advertise with us. Submit an Apple-related tip or fix. Tell a friend to "Go MacYourself. Hardware Tips. Select your external hard drive or USB flash drive from the list on the left.

Click on the Erase tab. Tags: disk utility , mac , microsoft , os x , windows. Damian April 9th, , PM. Multi operating system bliss!!

Robin May 15th, , AM. Lacey May 31st, , AM. Goldie June 13th, , PM. Marvin Weide July 4th, , AM. Randy Samberg July 13th, , AM. Stuart July 16th, , PM. Aby July 18th, , PM. Succesfully converted my hard drive to exFAT. Thanks a lot. Roger Watling July 19th, , PM. Tapan July 24th, , PM. Rachid July 25th, , AM. AH August 26th, , PM. What to do? John September 18th, , PM. Exfat is not reliable and stable.

Toolkit Optimize

You will have issues down the road. Thomas Allbert September 30th, , PM.

Mike November 1st, , AM. Musoro Samuel November 1st, , AM.

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Pietra November 13th, , PM. Boris Bold November 15th, , PM. Good to see some options here rather than just FAT Be warned that exFAT can be slow. Kathleen December 5th, , AM. Ondrej March 11th, , AM. Susan June 14th, , PM. Roger September 9th, , AM. An September 14th, , AM. Alex September 14th, , PM.

Mac and Windows PC Files

The best solution I found was: 1. So you need to activate it: 1. Now you can do whatever you want with it in Mac OS X. I hope this helps. Good luck!

You can mount HFS+ volumes with High Sierra and APFS

Thea October 3rd, , AM. Casper Jonathan October 12th, , AM. Arjun November 7th, , AM. Harry November 28th, , PM. Caius January 19th, , AM.