Date: Sat, 4 Feb 2006 01:36:05 -0600 From: "Mike Loiterman" <mike@ascendency.net> To: "'Chuck Swiger'" <cswiger@mac.com> Cc: freebsd-questions@freebsd.org Subject: RE: Dumping /usr to samba mounted drive Message-ID: <017401c6295d$a88c1d50$0401a8c0@Mike8500> In-Reply-To: <43E45016.6090003@mac.com>
next in thread | previous in thread | raw e-mail | index | archive | help
Chuck Swiger <mailto:cswiger@mac.com> wrote: > Mike Loiterman wrote: >> Gayn Winters <mailto:gayn.winters@bristolsystems.com> wrote: > [ ... ] >>>> Changing the format of the drive to Mac OS Extended fixed the >>>> problem. UFS has a 4 gig file size limit. >>>> >>> Mike, >>> >>> I'm glad you got it working. What was Apple ever thinking with a >>> 4GB limit? >>> >>> -gayn >> >> Did Apple develop the UFS spec or just implement it? > > Apple's UFS implementation is a big-endian variant inherited from a > mixture of Sun and NEXTSTEP code back in the late 80's and early > 90's, later seasoned by BSD-4.4Lite. > > The tradeoffs between HFS+ and UFS are sufficiently complex that > neither is a clear winner for general purpose uses, although UFS > tends to do well for lots and lots of little files-- think a squid > cache, maildir mail spool, tradspool INN layout of Usenet articles; > HFS+ by contrast is Unicode-aware and thus > supports international filenames sanely, and the B-tree data > structure handles volume-wide operations more efficiently, with a lot > less head motion, than the highly-recursive tree traversal that UFS > mandates. > > If you're setting up very large filesystems, greater than 10 > terabytes, the Xsan product is a solution that even a non-expert > admin can get working without fighting too hard. I haven't had the > hardware to try to configure a comparably large filesystem using UFS > under FreeBSD, but anecdotes suggest that going above either 2TB or > 4TB constitutes sailing into unknown waters... My setup is just a 160 Gig firewire drive I'm using as a backup for my server. I hate dealing with tapes, so this is a good solution for me. It's nothing near as complex as what you're describing. The regular Mac OS Extended filesystem seems to work just fine and suuports files up to 16 exabytes, I believe. ------------------------------ Mike Loiterman grantADLER Tel: 630-302-4944 Fax: 773-442-0992 Email: mike@ascendency.net PGP Key: 0xD1B9D18E
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?017401c6295d$a88c1d50$0401a8c0>