10 Jun
2015
10 Jun
'15
12:31 p.m.
On 2015-06-10 16:32, Dennis Boone wrote:
I think they all back up and then start accelerating. But how precise
can you make the acceleration? And how fast can you switch from read to
write? All drives I've worked on created long gaps if they appended a
new block from standstill.
I don't
think it really is that you have a long gap when you rewrite
a "bad" block per se. But you get long gaps when you stop/start. And
a rewrite implies that you will get a stop/start situation. But in
case you already were going stop/start, the gap will not be extended
any longer.
Some drives will back up, get up to speed, read the end of the previous
block, switch from write to read when the irg goes by. The size of the irg can vary upwards from a minimum
spec, at least in
drives that try to stream, as they will keep the tape running for a
moment in hopes that data will arrive to be written.
Yes.
Johnny
--
Johnny Billquist || "I'm on a bus
|| on a psychedelic trip
email: bqt at softjar.se || Reading murder books
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