"gaudet, roger" wrote: > > Oh gurus of ext3... > > We have an application (it's essentially a watchdog) that monitors > i/o on the root partition of our Linux system. What we would like > to have happen is in the event that the root file system "goes away" > (e.g. the SCSI cable is pulled from the storage device containing > the root drive), we want to panic the kernel. We have tried using > the "-e panic" option of tune2fs but that did not seem to do what > we expected. What we have observed is that when the root device > goes away ext3 will oops and the system hangs. No panic occurs. > > Any suggestions (tune2fs, ext3 module or kernel options)? > > FYI, ext3 is compiled as a module in this configuration. We have > not yet tried with ext3 built into the kernel. > > Oops trace available on request. Yup, please send the trace. It's possible that we forget to call the error handler for all I/O errors, but oopsing is not the intended behaviour ;) -
