maximum size of ufs file system

Brooks Davis brooks at one-eyed-alien.net
Thu Sep 23 11:21:23 PDT 2004


On Thu, Sep 23, 2004 at 03:04:09PM +0200, Etienne Ledoux wrote:
> you might be right. I just did a quick search on google about ufs filesystem 
> and copy/pasted my answer from some SUN documentation on ufs.

The problem is that SysV didn't bump off_t to 64-bit.  That limits you
to 2GB files.  BSD bit the bullet and fixed that problem long ago.  IIRC
the limits of UFS1 are 1TB per file system with 512k blocks (2^31 *
512k) due to use of a signed value in some places.  The file system
limit should be close to 1TB.

-- Brooks

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