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SunOS and Linux Filesystems

Posted on 1997-11-10
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I have a SParcStation LX that can boot SunOS 5.5 or Linux 2.0.3. Under Linux you can mount ufs filesystems but under SunOS you cannot mount Linux filesystems (type ext2) the two related questions: 1. How to recognize 'ext2' filesystem type under SunOS and 2. How to run SPAARC ELF Executables under Linux
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Question by:jrg
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by:ahoffmann
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There is no way to mount ext2 partitions if Solaris' mount doesn't support  ext2  filesystems :-(
ELF was designed to be more platform-independent, but AFAIK it isn't. You need ELF executables compiled and linked under Linux.
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by:demiurg
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Sorry to dissapoint you, but I think that all this is not possible
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by:jrg
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Well, I know all of this is possible. To have Solaris (SunOS) understand a new filesystem type you have to install a new virtual file system type (VFS). The current types that are understood are many (ufs, pcfs, nfs, rfs, tmpfs....) The only question is writing the code and loading the module. I know how to do this, I guess I was hoping as a minumum for some info on the 'ext2' filesystem format so I could write the driver as a last resort. At best I thought maybe it had been done.

As for SPARC Executables under Linux I am certain this is also possible. There is Intel emulation for Linux on x86 and I know for a fact SPARC emulation has been done on other platforms. Just as ALPHA (MIPS) emulation has been done. In other words, cross-platform emulation is certainly a doable task. ELF Format is well-known and (surprisingly) well-documented. Again, I was hoping some workhad been done in this area.

To say it is not possile is not an answer!
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by:ahoffmann
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Ok, you need information about ext2. I've seen this on a OS/2 site. There was a documentation of ext2 **and** a discription how
the driver works under OS/2.
Sorry I haven't the info (ftp, www) handy right now, I'll give you an other comment tomorrow.
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