Hardly a showstopper, but ..
Burned a backup CD on a 4.10-RELEASE system downtown; no problem.
Being important, I checked by mounting it (/dev/acd0) and running 'cat
/cdrom/* >/dev/null' which was useful verification given all were big
compressed files in the CD's root directory.
That was taking a while so I ran systat -vm in another vty, watched it
reading away at about 2MB/s, more or less as expected from that drive.
Got home and (being important) checked it by the same method on a 6.1-R
GENERIC system (no /dev/cd0, only acd0 in dmesg). systat -vm showed no
acd0 device, just ad0. man systat, tried the :drives command; just ad0
Tried again on a 5.5-S @1stAug system. systat -vm also didn't see acd0,
though due to atapicam, scbus & pass in kernel, showed it once remounted
on /dev/cd0 - 'Disks ad0 da0 cd0 pass0 pass1'. Same issue with iostat.
Copying the CD to ad0 implied the reading rate of course (~3.5MB/s) so
that's a workaround for the 6.1-R system, but should I be surprised that
{sys,io}stat can't see acd0 as it used to on 4.X? Anything that would?
Cheers, Ian
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