What is the maximum number of terabytes catalina can boot from on a 2012 Macbook Pro 15" retina external hd?
Older OSX versions could not boot from more than 2TB.
MacBook Air 13″, macOS 10.13
The drive size limits were expanded by doubling the width of the field that contain the allocation block number to 32 bits wide when HFS+ was introduced, and made the way forward with Intel Macs, around 2004.
Drive sizes limited to 2.2 Terabytes is a hold-over from a previous era, was annoying, and has been pushed so far back we can't even see that limit any more.
That means that since 2004, the maximum Volume size has been 8 ExaBytes, which I believe is 8 Thousand Million Terabytes. That same maximum size was retained for Apple File system, APFS.
The limits are so large, you can not possibly buy a drive that exceeds them.
The drive size limits were expanded by doubling the width of the field that contain the allocation block number to 32 bits wide when HFS+ was introduced, and made the way forward with Intel Macs, around 2004.
Drive sizes limited to 2.2 Terabytes is a hold-over from a previous era, was annoying, and has been pushed so far back we can't even see that limit any more.
That means that since 2004, the maximum Volume size has been 8 ExaBytes, which I believe is 8 Thousand Million Terabytes. That same maximum size was retained for Apple File system, APFS.
The limits are so large, you can not possibly buy a drive that exceeds them.
By older, you are referring to drives and enclosures that pre-date for MacOS 10.4 Tiger, where ALL that stuff was fixed for a long time to come.
Today, any single volume (not RAID volume) smaller that 8,000 Million Terabytes is acceptable as a Boot drive.
starting in 2019, i think, Macbook Pro could come with 8TB internal which would have to be the boot volume when purchased.
I am currently running Catalina on 2012 Macbook Pro 15" retina external hd.
What is the maximum number of terabytes catalina can boot from on a 2012 Macbook Pro 15" retina external hd? Is it 2TB or up to 8TB?
can it boot from a 2 T Byte drive?
--YES
Can it boot from a 8 T Byte drive
--YES
can it boot from a 20 T Byte drive
--YES
thank you so much for the history. amazing stuff.
excellent!
excellent!
excellent!
:)
Thank you.
maximum number of terabytes catalina can boot from on a 2012 Macbook Pro 15" retina external hd
