Date: Sat, 21 Aug 1999 15:31:13 +0100 From: Mark Ovens <mark@ukug.uk.freebsd.org> To: Albert Everett <aeverett@webintl.com> Cc: questions@freebsd.org Subject: Re: maximum file size Message-ID: <19990821153112.E267@marder-1> In-Reply-To: <37BEB44E.29ED2CD4@webintl.com>; from Albert Everett on Sat, Aug 21, 1999 at 09:14:39AM -0500 References: <37BEB44E.29ED2CD4@webintl.com>
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On Sat, Aug 21, 1999 at 09:14:39AM -0500, Albert Everett wrote:
> Hopefully this will be a trivial question, but I haven't found the answer yet
> online or in Greg's FreeBSD book.
>
> How large can a file be under FreeBSD? I've heard that under Linux the size
> limit is 2gb.
>
> It's not difficult to imagine large log files resulting from a busy web site,
> but most documentation seems to be focused on minimums rather than maximums.
>
According to the FAQ >4TB:
2.27. What are the limits for ffs filesystems?
For ffs filesystems, the maximum theoretical limit is 8 terabytes
(2G blocks), or 16TB for the default block size of 8K. In practice,
there is a soft limit of 1 terabyte, but with modifications
filesystems with 4 terabytes are possible (and exist).
The maximum size of a single ffs file is approximately 1G blocks
(4TB) if the block size is 4K.
maxfilesize
----------------------------------
2.2.7 3.0
fs block size -stable -current works should-work
------------- ------- -------- ----- -----------
4K 4T-1 4T-1 4T-1 4+T
8K 32+G 8T-1 32+G 16T-1
16K 128+G 16T-1 128+G 32T-1
32K 512+G 32T-1 512+G 64T-1
64K 2048+G 64T-1 2048+G 128T-1
> Albert Everett
> aeverett@webintl.com
>
>
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