Re: Force growisofs to use lower speed
On Fri, 09 Dec 2005 15:33:43 +0000, Eduardo Gargiulo wrote:
>> % nice -n -2 growisofs -speed=4 -dvd-compat -Z /tmp/d1.iso
>> /dev/dvd: "Current Write Speed" is 8.2x1385KBps.
>> 1605632/4506009600 ( 0.0%) @0.0x, remaining 280:32
>> :-? the LUN appears to be stuck writing LBA=310h, retry in 70ms
>> [...]
>> 4491739136/4506009600 (99.7%) @5.8x, remaining 0:01
>> builtin_dd: 2200208*2KB out @ average 5.4x1385KBps
>> /dev/dvd: flushing cache
>> /dev/dvd: closing track
>> /dev/dvd: closing disc
>> :-[ CLOSE SESSION failed with SK=2h/ASC=04h/ACQ=07h]: Resource temporarily
> unavailable
>>
>> I used "-speed=4", why it didn't work?
>> Why the growisofs insists to use speed 8
>> instead what it is told (speed 4)?
>
> You should read the man page of growisofs, I remember that the option speed=4
> don't means 4X speed. Take a lool at mediainfo output, may be there is the
> info about speed factor
I did, Here it is:
,-----
| -speed=N
|
| that N essentially denotes speed closest to N*1385KBps among those offered
| by unit for currently mounted media. The list can be found in dvd+rw-
| mediainfo output.
`-----
> $ dvd+rw-mediainfo /dev/dvd
> INQUIRY: [PIONEER ][DVD-RW DVR-110D][1.17]
> GET [CURRENT] CONFIGURATION:
> Mounted Media: 1Bh, DVD+R
> Media ID: RITEK/R03
> Current Write Speed: 8.0x1385=11080KB/s
> Write Speed #0: 8.0x1385=11080KB/s
> Write Speed #1: 6.0x1385=8310KB/s
> Write Speed #2: 4.0x1385=5540KB/s
My understanding is "-speed=4" is 4.0x(1385) for my DVD.
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