md5用于iso检查,但刻录总是失败

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光盘显示为一张优秀的光盘:

thufir@doge:~$ thufir@doge:~$ cdck -t -v Track list (1-1): 1: 00:02:00 (sec: 000000) data 170: 82:48:60 (sec: 372510) data (leadout) Disc status: data mode 1 Multisession: 0 Audio status: failed to get, reason: Input/output error Try to find out what sort of CD this is... CD-ROM with iso9660 fs iso9660: 727 MB size, label 'KIWI CD/DVD Installation ' Creating software: '0xc1c764e9' 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 1-372510 372508 ok CD overall: Sectors total: 372510: Good sectors: 372510: Bad sectors (incl. with poor timing): 0 CD timings: Minimal = 0 usec (0.000000s) Maximal = 45445 usec (0.045445s) Average = 186 usec (0.000186s) Conclusion: Excellent disc! thufir@doge:~$ 

但是,刻录总是报告为失败。 什么不清楚的失败。 md5检查正常。

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我正在从Ubuntu刻录Linux ISO, ViciBox 。 我已经浏览了几张DVD,现在只是使用K3B模拟刻录到光盘。 我没有看到特定的失败消息:

 Burned media ----------------------- DVD-R Sequential Devices ----------------------- TSSTcorp CDDVDW SH-222AL SB01 (/dev/sr0, CD-R, CD-RW, CD-ROM, DVD-ROM, DVD-R, DVD-RW, DVD-R DL, DVD+R, DVD+RW, DVD+R DL) [DVD-ROM, DVD-R Sequential, DVD-R Dual Layer Sequential, DVD-R Dual Layer Jump, DVD-RAM, DVD-RW Restricted Overwrite, DVD-RW Sequential, DVD+RW, DVD+R, DVD+R Dual Layer, CD-ROM, CD-R, CD-RW] [SAO, TAO, RAW, SAO/R96P, SAO/R96R, RAW/R16, RAW/R96P, RAW/R96R, Restricted Overwrite, Layer Jump] [%7] System ----------------------- K3b Version: 2.0.2 KDE Version: 4.14.1 QT Version: 4.8.6 Kernel: 3.16.0-23-generic Used versions ----------------------- growisofs: 7.1 growisofs ----------------------- Executing 'builtin_dd if=/dev/fd/0 of=/dev/sr0 obs=32k seek=0' /dev/sr0: engaging DVD-R DAO upon user request... /dev/sr0: reserving 372510 blocks , warning for short DAO recording /dev/sr0: "Current Write Speed" is 16.4x1352KBps. 491520/762900480 ( 0.1%) @0.0x, remaining 129:15 RBU 100.0% UBU 6.3% 491520/762900480 ( 0.1%) @0.0x, remaining 206:49 RBU 100.0% UBU 100.0% 491520/762900480 ( 0.1%) @0.0x, remaining 310:13 RBU 100.0% UBU 100.0% 491520/762900480 ( 0.1%) @0.0x, remaining 387:46 RBU 100.0% UBU 100.0% 15204352/762900480 ( 2.0%) @3.2x, remaining 14:45 RBU 100.0% UBU 99.1% 46792704/762900480 ( 6.1%) @6.8x, remaining 5:36 RBU 100.0% UBU 99.1% 73433088/762900480 ( 9.6%) @5.8x, remaining 3:54 RBU 100.0% UBU 99.1% 105971712/762900480 (13.9%) @7.0x, remaining 2:53 RBU 100.0% UBU 98.9% 139034624/762900480 (18.2%) @7.2x, remaining 2:23 RBU 100.0% UBU 99.1% 166461440/762900480 (21.8%) @5.9x, remaining 2:05 RBU 100.0% UBU 98.9% 200409088/762900480 (26.3%) @7.3x, remaining 1:46 RBU 100.0% UBU 98.4% 234848256/762900480 (30.8%) @7.5x, remaining 1:34 RBU 100.0% UBU 99.1% 264503296/762900480 (34.7%) @6.4x, remaining 1:24 RBU 100.0% UBU 82.2% 299859968/762900480 (39.3%) @7.7x, remaining 1:14 RBU 100.0% UBU 98.9% 335740928/762900480 (44.0%) @7.8x, remaining 1:06 RBU 99.9% UBU 98.9% 368607232/762900480 (48.3%) @7.1x, remaining 0:58 RBU 100.0% UBU 95.9% 403570688/762900480 (52.9%) @7.6x, remaining 0:51 RBU 100.0% UBU 98.1% 440860672/762900480 (57.8%) @8.1x, remaining 0:45 RBU 100.0% UBU 98.9% 478642176/762900480 (62.7%) @8.2x, remaining 0:38 RBU 99.9% UBU 98.7% 516915200/762900480 (67.8%) @8.3x, remaining 0:32 RBU 100.0% UBU 98.9% 555712512/762900480 (72.8%) @8.4x, remaining 0:26 RBU 100.0% UBU 98.7% 595001344/762900480 (78.0%) @8.5x, remaining 0:21 RBU 100.0% UBU 98.7% 634781696/762900480 (83.2%) @8.6x, remaining 0:15 RBU 100.0% UBU 98.7% 675053568/762900480 (88.5%) @8.7x, remaining 0:10 RBU 100.0% UBU 98.7% 715849728/762900480 (93.8%) @8.8x, remaining 0:05 RBU 100.0% UBU 98.6% growisofs command: ----------------------- /usr/bin/growisofs -Z /dev/sr0=/dev/fd/0 -use-the-force-luke=notray -use-the-force-luke=tty -use-the-force-luke=4gms -use-the-force-luke=tracksize:372510 -use-the-force-luke=dummy -use-the-force-luke=dao:372510 -dvd-compat -speed=16 -use-the-force-luke=bufsize:32m 

值得注意的是,K3B确实确认了md5总和:

 thufir@dur:~$ thufir@dur:~$ md5sum Vicibox_v.6.0.x86_64-6.0.3.preload.iso d676e7c90f2f716c2844a507a52686b2 Vicibox_v.6.0.x86_64-6.0.3.preload.iso thufir@dur:~$ 

匹配md5sum:

http://download.vicidial.com/iso/vicibox/server/Vicibox_v.6.0.x86_64-6.0.3.preload.md5

—————关于主题——————————-

不,我不是在问一个不同的发行版,我只是想从Ubuntu中刻录这个ISO,并且我试图理解调试输出。

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介质经过测试并评为“优秀”:

如果DVD-R中的MD5与ISO的MD5匹配,则刻录运行成功。 DVD应该用于启动目的。 你有没试过?

看起来来自K3B的错误消息是误导的。 (耸肩)

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燃烧总是失败

什么症状告诉你它失败了?

我想你无法阅读它,但即便如此也有各种原因。 如果介质保持空白而没有任何其他错误指示​​,那么您可能无意中启用了模拟,或者您的刻录机驱动器变坏了。

媒体的状态可以通过查询

 dvd+rw-mediainfo /dev/sr0 

由于您只想刻录ISO,我建议您跳过GUI层并直接启动growisofs进行进一步的实验。 以下提议源自K3B报告的growisofs命令。 在ISO存储的目录中执行它(或使用其绝对路径):

 growisofs -Z \ /dev/sr0=Vicibox_v.6.0.x86_64-6.0.3.preload.iso \ -use-the-force-luke=notray \ -use-the-force-luke=dao \ -dvd-compat \ -speed=16 \ -use-the-force-luke=bufsize:32m 

选项

 -use-the-force-luke=dummy 

导致DVD-R上的刻录模拟,这当然会阻止真正的刻录成功。

祝你今天愉快 :)

托马斯

ViciBox v.6基于OpenSUSE 13.1,因此使用Ubuntu软件中心的UNetbootin将ViciBox iso放在USB闪存盘上应该没有问题。 OpenSUSE在UNetbootin的兼容发行版列表中。 如果您曾使用USB闪存驱动器启动Linux发行版,则应首先在GParted中将USB闪存驱动器重新格式化为FAT32格式。

UNetbootin已从Ubuntu 18.04存储库中删除。 当我使用非* buntu live .iso映像测试内置的Startup Disk Creator应用程序作为UNetbootin替换应用程序时,它在Ubuntu 18.04中运行。

另请参阅: 无法通过实时USB安装openSUSE 13.1 。 由于您下载的ViciBox v.6 iso文件为728MB,因此2GB USB闪存驱动器应足够大,以便制作可启动的USB ViciBox闪存驱动器。