Date: Fri, 15 Mar 2002 07:57:56 -0800 From: Terry Lambert <tlambert2@mindspring.com> To: Christoph Hellwig <hch@caldera.de> Cc: AQUAMAN <yoatl@yahoo.com>, freebsd-fs@FreeBSD.ORG Subject: Re: filesystems compatibility Message-ID: <3C921A04.CFCADA9D@mindspring.com> References: <20020312185747.98993.qmail@web13305.mail.yahoo.com> <3C8E72A3.6E9CBC6F@mindspring.com> <20020314183219.A28415@caldera.de> <3C9114DA.5A2D0591@mindspring.com> <20020315110059.A32509@caldera.de>
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Christoph Hellwig wrote: > > PS: Different versions of FFS have different magic numbers; > > the original number was Kirk's birthday. > > Only very few FFS derivates have different major numbers, infact I only > know of SVR4.2MP SFS and various HP versions. On the other hand > Solaris/Solaris-i386/4.4BSD/OpenStep seem to have the same one and are > _very_ incompatible. 8-). Common mistake. They have opposite word order, so the version number is different. They also have different VTOC and disklabel order, so they're easy to differentiate anyway. > > PPS: I'm more of an FFS maven than an EXT2FS maven; so I would > > be more likely to be able to tell you about FFS interoperability > > between systems. > > Thanks, I have enough of it after implementing SVR4.2MP UFS and SFS > support for Linux.. Heh. I did some work on UFS for SVR4.2MP on SVR4.2MP, and a did everything for a derivative called NXFS (the magic number on that one is _my_ birthday). ;^). -- Terry To Unsubscribe: send mail to majordomo@FreeBSD.org with "unsubscribe freebsd-fs" in the body of the message
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