In a scenario where I've corrupted the boot 'record' on the dasd that I IPL from, or the root partition is not not bootable, how can I recover?
If I bring-up the debian starter-image kernel initrd (& initrd2), I'm not sure if dasd_mod should be loaded from initrd or is built into the kernel in this environment (how can I tell? I have no config file to look at). modprobe dasd or dasd_mod say's that neither module is found (which may be fine if it's build into the kernel). cat /proc/dasd/devices shows nothing.
I can bring up SLES or RHEL starter systems in a similar way I can get the dasd seen by the kernel by modprob/insmod dasd_mod/dasd_eckd_mod but neither of those starter systems can mount the partitions presumably becase there is no support for the devfs?
I've tried building debian kernel with support for all filesystems and devfs and modular dasd drivers, but I could never get what I built to boot.
Any thoughts appreciated.
John P Taylor.
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