Writing contigiously to UFS2?

Ivan Voras ivoras at freebsd.org
Fri Sep 21 05:55:35 PDT 2007

Eric Anderson wrote:

> The largest file size per chunk in a cylinder group is calculated at 
> newfs time, which determines also how many cylinder groups there should 
> be.  I think the largest size I've seen was something in the 460MB-ish 
> range, meaning any contiguous write above that would span more than one 
> cylinder group.

Hmm, how did you manage to create a file system with such large cylinder 
groups? I've experimented with smallnum-TB file systems and still 
couldn't make them larger than around 190 MB (though I wasn't actively 
trying, just observed how they turned out).

-------------- next part --------------
A non-text attachment was scrubbed...
Name: signature.asc
Type: application/pgp-signature
Size: 249 bytes
Desc: OpenPGP digital signature
Url : http://lists.freebsd.org/pipermail/freebsd-fs/attachments/20070921/9831d776/signature.pgp

More information about the freebsd-fs mailing list