Hi, On Tue, 2003-02-04 at 01:33, Matthias Andree wrote: > > Stephen Tweedie has a loopback driver: > > http://people.redhat.com/sct/patches/testdrive/ > > which allows you to trace all I/O. > How do I use that one? Load the module and then do a "regular" loopback > mount? Yep. You need both the testdrive.o and the modified loop.o loaded, then a simple "mount -o loop" will work. > What's the physical unit of "frequency" for fault injection if I am to > use this to test applications for robustness against EIO? You can specify that --- see the MODULE_PARMs at the end of testdrive.c for all the options. Cheers, Stephen _______________________________________________ Ext3-users@redhat.com https://listman.redhat.com/mailman/listinfo/ext3-users