On 07/20/2014 03:28 PM, 樱木洋葱 wrote: > Almost succeed until I faced with this issue. > In section 8.4, I tried to run the command " > cd /tmp && > grub-mkrescue --output=grub-img.iso && > xorriso -as cdrecord -v dev=/dev/cdrw blank=as_needed grub-img.iso > " to make an emergency boot disk, and the terminal reported: > > Enabling BIOS support ... > xorriso 1.3.8 : RockRidge filesystem manipulator, libburnia project. > > Drive current: -outdev 'stdio:grub-img.iso' > Media current: stdio file, overwriteable > Media status : is blank > Media summary: 0 sessions, 0 data blocks, 0 data, 17.6g free > Added to ISO image: directory '/'='/tmp/tmp.ipplyN6NMZ' > xorriso : UPDATE : 252 files added in 1 seconds > xorriso : UPDATE : 252 files added in 1 seconds > xorriso : NOTE : Copying to System Area: 27651 bytes from file > '/tmp/tmp.0IRsUCUztt' > ISO image produced: 2244 sectors > Written to medium : 2244 sectors at LBA 0 > Writing to 'stdio:grub-img.iso' completed successfully. > > xorriso 1.3.8 : RockRidge filesystem manipulator, libburnia project. > > xorriso : FAILURE : Drive address '/dev/cdrw' rejected because: not > existing and -drive_class 'risky' '/dev' > xorriso : HINT : If the address is a legitimate address for a new regular > file, prepend "stdio:" > xorriso : FAILURE : -as cdrecord: Job could not be performed properly. > xorriso : aborting : -abort_on 'FAILURE' encountered 'FAILURE' > > I do LFS in VMware and I wonder if there is a necessity to prepare an > emengency disk because I can take snapshot whenever I want. > > Thanks for any reply. >
You are fine to skip that. -- Note: My last name is not Krejzi.
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