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Re: Newbie question about amd64 Xen Dom0
On Sun, Jan 20, 2008 at 11:37:18AM -0400, Ernesto Bascon wrote:
> Another question, reading,
Do not believe everything on that page ....
> I've seen that FFS supports a 4GB file size as maximum.
> Is that correct?
The maximum size of an netbsd FFSv1 file in a filesystem with 1k fragments
and 8k blocks is slightly over 1024 * (8192/4)^3 bytes.
(Since files can be sparse, you can verify it.)
FFSv1 File systems are limited to 2^32 (possibly 2^31) fragments, although
there may be lurking bugs when the physical sector number exceeds 2^31.
FFSv2 supports 64bit fragment numbers, but at a cost of doubling the
size of all the file system metadata.
David Laight: david%l8s.co.uk@localhost
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