Subject: Re: 8 Gig disk partition limit
To: Donald Lee <donlee@icompute.com>
From: Bill Studenmund <wrstuden@nas.nasa.gov>
List: port-mac68k
Date: 01/10/2000 12:19:51
On Sat, 8 Jan 2000, Donald Lee wrote:
> Another question:
>
> Is there an inherent limit of 8 Gig on an ffs partition?
No. Other folks have spoken to the MacOS partitioning aspect. I'll address
teh ffs-specific part. :-)
An ffs can have up to 2^31 blocks. Note that these are the fragment size,
not what you'd normally think of as ffs blocks. For instance, on an 8k/1k
ffs, you can have 2^31 of the 1k blocks. :-)
Thus the max filesystem size is:
Frag size fs size
512 bytes 1 TiB
1k 2 TiB
2KiB 4 TiB
and so on.
Take care,
Bill