On Thu, 1 Feb 2018, Paul Koning via cctalk wrote:
I guess they trusted the disk enough. Normal practice
would be to save
the dayfile to a regular disk file periodically (perhaps as part of
daily maintenance), at which point you could print it, or archive it to
tape, or whatever else comes to mind.
Was there typically any other way to access the disk file, such as if the
system were down?
It could be useful in troubleshooting, such as if the system were down.
. . .
At least they would not have had "Help" to suggest, "If the system will
not IPL/Boot, then run Troubleshooting Wizard"