On Thu, Sep 09, 2004 at 04:30:47 +1000, John Clarke wrote:
> I've just run a quick test with a small amount of data after turning
> this option on (mt -f /dev/st0 stoptions two-fms) and it appears to
> have fixed the problem -- it failed before I turned on two-fms and
> worked after turning it on.
It turns out that two-fms makes no difference at all, it's actually
turning off read-ahead that makes the difference. "mt stoptions"
turns off everything except the options listed on the command line, so
by turning on two-fms this way I was turning off read-ahead as a
side-effect.
I discovered this when, instead of using "mt stoptions", I changed to
"mt stsetoptions" to turn on two-fms without changing any other the
other defaults, and reading failed again. With "mt stclearoptions
read-ahead", both read and write work perfectly.
Cheers,
John
--
> Gun control is just a question of degrees.
Precisely. A few degrees to the left or right and you'll miss the luser and
possibly risk damaging valuable equipment.
-- Peter Gutmann
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