Sprawdzanie jakości nagranych płyt

Kategoria: FAQ, etykiety: multimedia, system

Dodany: 2009-07-22 11:53 (zmodyfikowany: 2009-08-16 12:58)
Przez: ilin

Wyświetleń: 9019

Prosty sposob na przetestowanie czy dana płyta jest do użytku

Sprawdzanie jakości nagranej płyty

Do sprawdzenia jakości nagrania użyjemy prostego konsolowego programiku cdck

Najpierw instalujemy program

aptitude install cdck

Teraz wkładamy płytę do napędu otwieramy ulubiony terminal i wpisujemy do niego

cdck -d /dev/hdX -t -v

-d /dev/hdX --urządzenie pod ktorym mamy napęd np /dev/hdc,/dev/cdrom,/dev/dvd

-t --program wykona test plyty

-v--zrobi to w sposob gadatliwy

Przyklad użycia

$ cdck -d /dev/hdd -t -v
Track list (1-1):
1: 00:02:00 (sec: 000000) data 
170: 70:35:51 (sec: 317526) data (leadout)

Disc status: data mode 1
Multisession: 0
Audio status: no status
Try to find out what sort of CD this is...
CD-ROM with iso9660 fs
so9660: 620 MB size, label 'grml 1.1 '
Creating software: 'MKISOFS ISO 9660/HFS FILESYSTEM BUILDER & CDRECORD CD-R/DVD CREATOR (C) 1993 E.Y'
Publisher: 'grml-live | grml.org'
bootable CD 

NB! For disks written with some burners cdck might 
report about unreadable sectors at the end of the disk.
In such cases you can just ignore those warnings.

Reading sectors 1-317526
! unable to read sector 299643, reason: Input/output error 
! unable to read sector 299644, reason: Input/output error 
! unable to read sector 299645, reason: Input/output error 
! unable to read sector 299646, reason: Input/output error 
! unable to read sector 299647, reason: Input/output error 
! unable to read sector 299648, reason: Input/output error 
! unable to read sector 299649, reason: Input/output error 
! unable to read sector 299650, reason: Input/output error 
! unable to read sector 299651, reason: Input/output error 
! unable to read sector 299652, reason: Input/output error 
! unable to read sector 299653, reason: Input/output error 
! unable to read sector 299654, reason: Input/output error 
! unable to read sector 299655, reason: Input/output error 
! unable to read sector 299656, reason: Input/output error 
! unable to read sector 299657, reason: Input/output error 
! unable to read sector 299658, reason: Input/output error 
! unable to read sector 299659, reason: Input/output error 
! unable to read sector 299660, reason: Input/output error 
! unable to read sector 299661, reason: Input/output error 
! unable to read sector 299662, reason: Input/output error 
! unable to read sector 299663, reason: Input/output error 
! unable to read sector 299664, reason: Input/output error 
! unable to read sector 299665, reason: Input/output error 
! unable to read sector 299666, reason: Input/output error 
! unable to read sector 299667, reason: Input/output error 
! unable to read sector 299668, reason: Input/output error 
! unable to read sector 299669, reason: Input/output error 
! unable to read sector 299670, reason: Input/output error 
! unable to read sector 299671, reason: Input/output error 
! unable to read sector 299672, reason: Input/output error 
! unable to read sector 299673, reason: Input/output error 
! unable to read sector 299674, reason: Input/output error 
! unable to read sector 299675, reason: Input/output error 
! unable to read sector 299676, reason: Input/output error 
! unable to read sector 299677, reason: Input/output error 
! unable to read sector 299678, reason: Input/output error 
! unable to read sector 299679, reason: Input/output error 
! unable to read sector 299680, reason: Input/output error 
! unable to read sector 299681, reason: Input/output error 
! unable to read sector 299682, reason: Input/output error 
! unable to read sector 299683, reason: Input/output error 
! unable to read sector 299684, reason: Input/output error 
! unable to read sector 299685, reason: Input/output error 
! unable to read sector 299686, reason: Input/output error 
! unable to read sector 299687, reason: Input/output error 
! unable to read sector 299688, reason: Input/output error 
! unable to read sector 299689, reason: Input/output error 
! unable to read sector 299690, reason: Input/output error 
! unable to read sector 299691, reason: Input/output error 
! unable to read sector 299692, reason: Input/output error 
! unable to read sector 299693, reason: Input/output error 
! unable to read sector 299694, reason: Input/output error 
! unable to read sector 299695, reason: Input/output error 
! unable to read sector 299696, reason: Input/output error 
! unable to read sector 299697, reason: Input/output error 
! unable to read sector 299698, reason: Input/output error 
! unable to read sector 299699, reason: Input/output error 
! unable to read sector 299700, reason: Input/output error 
! unable to read sector 299701, reason: Input/output error 
! unable to read sector 299702, reason: Input/output error 
! unable to read sector 299703, reason: Input/output error 
! unable to read sector 299704, reason: Input/output error 
! unable to read sector 299705, reason: Input/output error 
! unable to read sector 299706, reason: Input/output error 
! unable to read sector 299707, reason: Input/output error 
! unable to read sector 299708, reason: Input/output error 
! unable to read sector 299709, reason: Input/output error 
! unable to read sector 299710, reason: Input/output error 
! unable to read sector 299711, reason: Input/output error 
! unable to read sector 299712, reason: Input/output error 
! unable to read sector 299713, reason: Input/output error 
! unable to read sector 299714, reason: Input/output error 
! unable to read sector 299715, reason: Input/output error 
! unable to read sector 299716, reason: Input/output error 
! unable to read sector 299717, reason: Input/output error 
! unable to read sector 299718, reason: Input/output error 
! unable to read sector 299719, reason: Input/output error 
! unable to read sector 299720, reason: Input/output error 
! unable to read sector 299721, reason: Input/output error 
! unable to read sector 299722, reason: Input/output error 
! unable to read sector 299723, reason: Input/output error 
! unable to read sector 299724, reason: Input/output error 
! unable to read sector 299725, reason: Input/output error 
! unable to read sector 299726, reason: Input/output error 
! unable to read sector 299727, reason: Input/output error 
! unable to read sector 299728, reason: Input/output error 
! unable to read sector 299729, reason: Input/output error 
! unable to read sector 299730, reason: Input/output error 
! unable to read sector 299731, reason: Input/output error 
! unable to read sector 299732, reason: Input/output error 
! unable to read sector 299733, reason: Input/output error 
! unable to read sector 299734, reason: Input/output error 
! unable to read sector 299735, reason: Input/output error 
! unable to read sector 299736, reason: Input/output error 
! unable to read sector 299737, reason: Input/output error 
! unable to read sector 299738, reason: Input/output error 
    ! unable to read sector 299739, reason: Input/output error 
! unable to read sector 299740, reason: Input/output error 
! unable to read sector 299741, reason: Input/output error 
! unable to read sector 299742, reason: Input/output error 
! unable to read sector 299743, reason: Input/output error 
! unable to read sector 299744, reason: Input/output error 
! unable to read sector 299745, reason: Input/output error 
! unable to read sector 299746, reason: Input/output error 
! unable to read sector 299747, reason: Input/output error 
! unable to read sector 299748, reason: Input/output error 
! unable to read sector 299749, reason: Input/output error 
! unable to read sector 299750, reason: Input/output error 
! unable to read sector 299751, reason: Input/output error 
! unable to read sector 299752, reason: Input/output error 
! unable to read sector 299753, reason: Input/output error 
! unable to read sector 299754, reason: Input/output error 
! unable to read sector 299755, reason: Input/output error 
! unable to read sector 299756, reason: Input/output error 
! unable to read sector 299757, reason: Input/output error 
! unable to read sector 299758, reason: Input/output error 
! unable to read sector 299759, reason: Input/output error 
! unable to read sector 299760, reason: Input/output error 
! unable to read sector 299761, reason: Input/output error 
! unable to read sector 299762, reason: Input/output error 
! unable to read sector 299763, reason: Input/output error 
! unable to read sector 299764, reason: Input/output error 
! unable to read sector 299765, reason: Input/output error 
! unable to read sector 299766, reason: Input/output error 
! unable to read sector 299767, reason: Input/output error 
! unable to read sector 299768, reason: Input/output error 
! unable to read sector 299769, reason: Input/output error 
! unable to read sector 299770, reason: Input/output error 
! unable to read sector 304679, reason: Input/output error 
! unable to read sector 304680, reason: Input/output error 
! unable to read sector 306619, reason: Input/output error 
! unable to read sector 306620, reason: Input/output error 
! unable to read sector 306891, reason: Input/output error 
! unable to read sector 306892, reason: Input/output error 
317524 ok

CD overall:
Sectors total: 317526:
Good sectors: 317392:
Bad sectors (incl. with poor timing): 134
CD timings:
Minimal = 2 usec (0.000002s)
Maximal = 745524 usec (0.745524s)
Average = 985 usec (0.000985s)

Conclusion:
Disc contains BAD or even unreadable sectors, put it into trash can!

Jak widać płyta jest częściowo nieczytelna.

Program obsługuje plyty zarówno CD jak i DVD.

Dodam że innym bardzo dobrym programem (graficznym ) do tego celu jest

dvdisaster

Pozwala nie tylko na testowanie płyt ale również na odczyt danych z uszkodzonych nosników.

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