On Dec 29, 2019, at 10:24 PM, Frank McConnell wrote:
> # mediainit -vGD /dev/rdsk/2s0 [ G == guru mode D == debugging mode ] That was exactly it. Interesting that "initialization option" 2 is different from "format option" 2 (I thought I could perhaps shortcut the -GD mode with -f 2). Thanks! ok bear. # mediainit -v -i 1 -f 2 /dev/rdsk/c7d0s0 mediainit: initialization process starting mediainit: locking the volume mediainit: performing a describe command mediainit: format option specified, but device supports none - Invalid argument # mediainit -vDG /dev/rdsk/c7d0s0 WARNING: You have invoked guru mode, a mode requiring extensive device command set knowledge in order to properly respond to prompts that follow, and from which you could seriously compromise device integrity by responding improperly. Are you SURE you want to proceed? (y/n) y mediainit: initialization process starting mediainit: locking the volume mediainit: performing a describe command mediainit: interleave factor 1 chosen suppress running diagnostic? (y/n) n initialize options? (defaults to 0) 2 volume ert passes? (defaults to 2) clear logs option? (defaults to 1) sparing mode byte? (defaults to 1) mediainit: running diagnostics mediainit: initializing media mediainit: pre-setting drive mediainit: clearing logs mediainit: running a 2 pass volume error rate test mediainit: reading error rate test log for head 0 mediainit: reading error rate test log for head 1 mediainit: reading error rate test log for head 2 mediainit: reading error rate test log for head 3 mediainit: reading error rate test log for head 4 mediainit: reading error rate test log for head 5 mediainit: reading error rate test log for head 6 mediainit: reading run time log for head 0 mediainit: reading run time log for head 1 mediainit: reading run time log for head 2 mediainit: reading run time log for head 3 mediainit: reading run time log for head 4 mediainit: reading run time log for head 5 mediainit: reading run time log for head 6 additional manual sparing? (y/n) n mediainit: initialization process completed # dd if=/dev/dsk/c7d0s0 of=/dev/null dd read error: I/O error 108420+0 records in 108420+0 records out # -- until further notice