[Pkg-opt-media-team] Bug#709971: dvd+rw-tools: growisofs more then 1 Bluray, since Debian 7 speed collapses
Winfried Münch
winfried.muench at abk.de
Tue Jun 4 19:23:45 UTC 2013
Hi,
to your questions:
all the drives attached via internal SATA Connections. Hardware is not
changed between Debian 6 and 7. The System with Debian 6 is also for Tests
availible.
Read Test with dd:
only one drive on Work:
root at bluray:/space/isotmp/test# date && time dd if=$LW of=`basename
$LW`.iso bs=64k count=10000
Di 4. Jun 16:46:59 CEST 2013
10000+0 Datensätze ein
10000+0 Datensätze aus
655360000 Bytes (655 MB) kopiert, 33,0877 s, 19,8 MB/s
real 0m33.228s
user 0m0.000s
sys 0m1.160s
root at bluray:/space/isotmp/test#
same Work on two drives:
root at bluray:/space/isotmp/test# date && time dd if=$LW of=`basename
$LW`.iso bs=64k count=10000
Di 4. Jun 16:48:11 CEST 2013
10000+0 Datensätze ein
10000+0 Datensätze aus
655360000 Bytes (655 MB) kopiert, 34,1167 s, 19,2 MB/s
real 0m34.258s
user 0m0.004s
sys 0m1.144s
root at bluray:/space/isotmp/test#
root at bluray:/space/isotmp/test# date && time dd if=$LW of=`basename
$LW`.iso bs=64k count=10000
Di 4. Jun 16:48:10 CEST 2013
10000+0 Datensätze ein
10000+0 Datensätze aus
655360000 Bytes (655 MB) kopiert, 32,8995 s, 19,9 MB/s
real 0m33.040s
user 0m0.012s
sys 0m1.120s
root at bluray:/space/isotmp/test#
on 3:root at bluray:/space/isotmp/test# date && time dd if=$LW of=`basename
$LW`.iso bs=64k count=10000
Di 4. Jun 17:05:55 CEST 2013
10000+0 Datensätze ein
10000+0 Datensätze aus
655360000 Bytes (655 MB) kopiert, 36,1785 s, 18,1 MB/s
real 0m36.325s
user 0m0.008s
sys 0m1.112s
root at bluray:/space/isotmp/test#
root at bluray:/space/isotmp/test# date && time dd if=$LW of=`basename
$LW`.iso bs=64k count=10000
Di 4. Jun 17:05:59 CEST 2013
10000+0 Datensätze ein
10000+0 Datensätze aus
655360000 Bytes (655 MB) kopiert, 36,606 s, 17,9 MB/s
real 0m36.750s
user 0m0.008s
sys 0m1.140s
root at bluray:/space/isotmp/test#
root at bluray:/space/isotmp/test# date && time dd if=$LW of=`basename
$LW`.iso bs=64k count=10000
Di 4. Jun 17:06:03 CEST 2013
10000+0 Datensätze ein
10000+0 Datensätze aus
655360000 Bytes (655 MB) kopiert, 36,9885 s, 17,7 MB/s
real 0m37.138s
user 0m0.024s
sys 0m1.136s
root at bluray:/space/isotmp/test#
and on four:
root at bluray:/space/isotmp/test# date && time dd if=$LW of=`basename
$LW`.iso bs=64k count=10000
Di 4. Jun 17:07:26 CEST 2013
10000+0 Datensätze ein
10000+0 Datensätze aus
655360000 Bytes (655 MB) kopiert, 32,8305 s, 20,0 MB/s
real 0m32.974s
user 0m0.012s
sys 0m1.112s
root at bluray:/space/isotmp/test#
root at bluray:/space/isotmp/test# date && time dd if=$LW of=`basename
$LW`.iso bs=64k count=10000
Di 4. Jun 17:07:28 CEST 2013
10000+0 Datensätze ein
10000+0 Datensätze aus
655360000 Bytes (655 MB) kopiert, 37,0809 s, 17,7 MB/s
real 0m37.228s
user 0m0.016s
sys 0m1.116s
root at bluray:/space/isotmp/test#
root at bluray:/space/isotmp/test# date && time dd if=$LW of=`basename
$LW`.iso bs=64k count=10000
Di 4. Jun 17:07:30 CEST 2013
10000+0 Datensätze ein
10000+0 Datensätze aus
655360000 Bytes (655 MB) kopiert, 32,6268 s, 20,1 MB/s
real 0m32.774s
user 0m0.016s
sys 0m1.124s
root at bluray:/space/isotmp/test#
root at bluray:/space/isotmp/test# date && time dd if=$LW of=`basename
$LW`.iso bs=64k count=10000
Di 4. Jun 17:07:33 CEST 2013
10000+0 Datensätze ein
10000+0 Datensätze aus
655360000 Bytes (655 MB) kopiert, 32,9217 s, 19,9 MB/s
real 0m33.071s
user 0m0.012s
sys 0m1.136s
root at bluray:/space/isotmp/test#
I don't think on the linux cache? Should I?
now xorriso on one drive:
root at bluray:/space/isotmp/test# time xorriso -outdev $LW -check_media
use=outdev min_lba=0 max_lba=320000 --
xorriso 1.2.2 : RockRidge filesystem manipulator, libburnia project.
libburn : WARNING : Last session on media is still open.
Drive current: -outdev '/dev/sr1'
Media current: BD-R sequential recording
Media status : is written , is appendable
xorriso : UPDATE : 16 of 320001 blocks read in 3 s , 0.0xB
xorriso : UPDATE : 8624 of 320001 blocks read in 4 s , 3.9xB
xorriso : UPDATE : 18192 of 320001 blocks read in 5 s , 4.4xB
xorriso : UPDATE : 27792 of 320001 blocks read in 6 s , 4.4xB
xorriso : UPDATE : 37408 of 320001 blocks read in 7 s , 4.4xB
xorriso : UPDATE : 47024 of 320001 blocks read in 8 s , 4.4xB
xorriso : UPDATE : 56672 of 320001 blocks read in 9 s , 4.4xB
xorriso : UPDATE : 66320 of 320001 blocks read in 10 s , 4.4xB
xorriso : UPDATE : 76000 of 320001 blocks read in 11 s , 4.4xB
xorriso : UPDATE : 85680 of 320001 blocks read in 12 s , 4.4xB
xorriso : UPDATE : 95408 of 320001 blocks read in 13 s , 4.4xB
xorriso : UPDATE : 105152 of 320001 blocks read in 14 s , 4.4xB
xorriso : UPDATE : 114896 of 320001 blocks read in 15 s , 4.4xB
xorriso : UPDATE : 124672 of 320001 blocks read in 16 s , 4.5xB
xorriso : UPDATE : 134448 of 320001 blocks read in 17 s , 4.5xB
xorriso : UPDATE : 144256 of 320001 blocks read in 18 s , 4.5xB
xorriso : UPDATE : 154064 of 320001 blocks read in 19 s , 4.5xB
xorriso : UPDATE : 163904 of 320001 blocks read in 20 s , 4.5xB
xorriso : UPDATE : 173744 of 320001 blocks read in 21 s , 4.5xB
xorriso : UPDATE : 183632 of 320001 blocks read in 22 s , 4.5xB
xorriso : UPDATE : 193520 of 320001 blocks read in 23 s , 4.5xB
xorriso : UPDATE : 203424 of 320001 blocks read in 24 s , 4.5xB
xorriso : UPDATE : 213328 of 320001 blocks read in 25 s , 4.5xB
xorriso : UPDATE : 223280 of 320001 blocks read in 26 s , 4.5xB
xorriso : UPDATE : 233232 of 320001 blocks read in 27 s , 4.5xB
xorriso : UPDATE : 243216 of 320001 blocks read in 28 s , 4.5xB
xorriso : UPDATE : 253200 of 320001 blocks read in 29 s , 4.5xB
xorriso : UPDATE : 263216 of 320001 blocks read in 30 s , 4.6xB
xorriso : UPDATE : 273232 of 320001 blocks read in 31 s , 4.6xB
xorriso : UPDATE : 283280 of 320001 blocks read in 32 s , 4.6xB
xorriso : UPDATE : 293344 of 320001 blocks read in 33 s , 4.6xB
xorriso : UPDATE : 303408 of 320001 blocks read in 34 s , 4.6xB
xorriso : UPDATE : 313504 of 320001 blocks read in 35 s , 4.6xB
xorriso : UPDATE : 320001 of 320001 blocks read in 36 s = 4.1xB
Media checks : lba , size , quality
Media region : 0 , 320001 , + good
Media region : 320001 , 11506175 , 0 untested
real 0m41.101s
user 0m0.364s
sys 0m0.392s
root at bluray:/space/isotmp/test#
With to drives I get on one of them this:
Media checks : lba , size , quality
Media region : 0 , 67616 , + good
Media region : 67616 , 16 , + slow
Media region : 67632 , 31216 , + good
Media region : 98848 , 16 , + slow
Media region : 98864 , 221137 , + good
Media region : 320001 , 11506175 , 0 untested
Read while write test:
write at aprox. 2x at first time:
Mounted Media: 41h, BD-R SRM
Disc status: blank
Executing 'builtin_dd if=/space/isoHSP/SHSP-20130601-29.iso of=/dev/sr0
obs=32k seek=0'
/dev/sr0: pre-formatting blank BD-R for 24.8GB...
/dev/sr0: "Current Write Speed" is 8.2x4390KBps.
27721728/12100028416 ( 0.2%) @1.7x, remaining 36:17 RBU 100.0% UBU 50.0%
56885248/12100028416 ( 0.5%) @1.9x, remaining 28:13 RBU 100.0% UBU 50.0%
87359488/12100028416 ( 0.7%) @2.0x, remaining 25:12 RBU 100.0% UBU 50.0%
116981760/12100028416 ( 1.0%) @2.0x, remaining 25:36 RBU 99.6% UBU 50.0%
146276352/12100028416 ( 1.2%) @2.0x, remaining 24:30 RBU 100.0% UBU 50.0%
start read on other Drive with xorriso read and write are concurent:
509280256/12100028416 ( 4.2%) @2.1x, remaining 22:00 RBU 100.0% UBU 50.0%
540409856/12100028416 ( 4.5%) @2.1x, remaining 21:44 RBU 100.0% UBU 50.0%
571375616/12100028416 ( 4.7%) @2.1x, remaining 21:51 RBU 100.0% UBU 50.0%
585695232/12100028416 ( 4.8%) @1.0x, remaining 22:16 RBU 100.0% UBU 50.0%
587890688/12100028416 ( 4.9%) @0.1x, remaining 23:10 RBU 100.0% UBU 50.0%
595165184/12100028416 ( 4.9%) @0.5x, remaining 24:09 RBU 100.0% UBU 50.0%
595165184/12100028416 ( 4.9%) @0.0x, remaining 25:07 RBU 100.0% UBU 100.0%
595263488/12100028416 ( 4.9%) @0.0x, remaining 26:05 RBU 100.0% UBU 100.0%
625278976/12100028416 ( 5.2%) @2.0x, remaining 25:59 RBU 100.0% UBU 50.0%
656211968/12100028416 ( 5.4%) @2.1x, remaining 25:34 RBU 100.0% UBU 50.0%
687931392/12100028416 ( 5.7%) @2.1x, remaining 25:09 RBU 100.0% UBU 50.0%
if read is fast then writing is slow if writting is fast then read is slow
I see the :-[ CLOSE SESSION Bug every Time.
With dd for read the write speed don't slow
down.root at bluray:/space/isotmp/test# date && time dd if=$LW of=`basename
$LW`.iso bs=64k count=10000
Di 4. Jun 21:20:38 CEST 2013
10000+0 Datensätze ein
10000+0 Datensätze aus
655360000 Bytes (655 MB) kopiert, 38,8288 s, 16,9 MB/s
real 1m27.139s
user 0m0.020s
sys 0m1.164s
root at bluray:/space/isotmp/test#
are there hints for Kernel tuning?
Thank you
Winfried
I don't try BD-RE Media at this moment.
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