On Wed, 2017-08-16 at 19:34 +0200, Thomas Schmitt wrote: > Hi, > > sorry, i did not react properly on this piece of info: > > > > > The format, erase, and burn processes all complete normally with no > > issues or errors. When I mount and attempt to read the tar file it > > aborts with an error message. > Do you see related messages in the system logs ? > > What happens if you let xorriso read the medium: > > xorriso -indev /dev/sr0 -check_media -- > > > Have a nice day :) > > Thomas >
The last of the output from the above command on a usable media. xorriso : UPDATE : 12276k blocks read in 1291 seconds , 6.0xB xorriso : UPDATE : 12289k blocks read in 1292 seconds , 6.0xB xorriso : UPDATE : 12294k blocks read in 1292 seconds = 4.4xB Media checks : lba , size , quality Media region : 0 , 160 , + good Media region : 160 , 32 , + slow Media region : 192 , 128 , + good Media region : 320 , 32 , + slow Media region : 352 , 32 , + good Media region : 384 , 64 , + slow Media region : 448 , 12588945 , + good Media region : 12589393 , 11062959 , 0 untested On media that is not usable, I get the following error when I try to use tar and read the file. gzip: stdin: Input/output error tar: Unexpected EOF in archive tar: Error is not recoverable: exiting now I attempted to run the same command above on the failed burn and I received the following during the process. xorriso : UPDATE : 292736 blocks read in 70 seconds , 1.4xB xorriso : UPDATE : 296448 blocks read in 71 seconds , 1.6xB xorriso : UPDATE : 297824 blocks read in 72 seconds , 0.5xB libburn : SORRY : SCSI error on read_10(297824,32): [3 11 05] Medium error. L-EC uncorrectable error. xorriso : UPDATE : 297856 blocks read in 76 seconds , 0.0xB xorriso : UPDATE : 297888 blocks read in 78 seconds , 0.0xB libburn : SORRY : SCSI error on read_10(297920,32): [3 11 05] Medium error. L-EC uncorrectable error. xorriso : UPDATE : 297952 blocks read in 82 seconds , 0.0xB xorriso : UPDATE : 298016 blocks read in 84 seconds , 0.0xB libburn : SORRY : SCSI error on read_10(298048,32): [3 11 05] Medium error. L-EC uncorrectable error. xorriso : UPDATE : 298080 blocks read in 88 seconds , 0.0xB xorriso : UPDATE : 300640 blocks read in 89 seconds , 1.2xB xorriso : UPDATE : 304576 blocks read in 90 seconds , 1.8xB xorriso : UPDATE : 308288 blocks read in 91 seconds , 1.7xB The program continued to run and then completed with the following. xorriso : UPDATE : 12337k blocks read in 2787 seconds , 2.1xB xorriso : UPDATE : 12342k blocks read in 2788 seconds , 2.1xB xorriso : UPDATE : 12342k blocks read in 2788 seconds = 2.1xB Media checks : lba , size , quality Media region : 0 , 264736 , + good Media region : 264736 , 32 , + slow Media region : 264768 , 33056 , + good Media region : 297824 , 32 , - unreadable Media region : 297856 , 32 , + slow Media region : 297888 , 32 , + good Media region : 297920 , 32 , - unreadable Media region : 297952 , 32 , + good Media region : 297984 , 32 , + slow Media region : 298016 , 32 , + good Media region : 298048 , 32 , - unreadable Media region : 298080 , 12340187 , + good Media region : 12638267 , 11014085 , 0 untested xorriso : NOTE : Tolerated problem event of severity 'SORRY' xorriso : NOTE : -return_with SORRY 32 triggered by problem severity SORRY The script is run by cron during the night. Reliability is more important than performance. So I have set stream_recording off for tonight on this media. I will see how it completes in the morning. Thank you, James