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hadian
n00b
Joined: 10 May 2007
Posts: 72
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 Posted: Thu Oct 02, 2008 4:51 am Post subject: dvdrw is recognized read-only |
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i have a dvd rom and a dvd writer which are related to hdc and hdd. here is my fstab lines related to them:
| Code: | /dev/hdc /mnt/dvdrom udf,iso9660 noatime,noauto,ro,user 0 0
/dev/hdd /mnt/dvdrw udf,iso9660 noatime,noauto,rw,user 0 0
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and this is /mnt folder with permissions of the folders:
| Code: | drwx------ 2 root root 4096 Jun 11 22:16 cdrom
drwxr-xr-x 2 root root 4096 Sep 27 04:55 dvdrom
drwxrwxrwx 2 root root 4096 Sep 27 04:55 dvdrw
drwx------ 2 root root 4096 Jun 11 22:16 floppy
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when i put a raw dvd on dvdrw, k3b can not recognize it and when i try to mount it, i got the message that the dvdrw is mounted read-only.
| Code: | reza@tux ~ $ mount /dev/hdd
mount: block device /dev/hdd is write-protected, mounting read-only
mount: wrong fs type, bad option, bad superblock on /dev/hdd,
missing codepage or helper program, or other error
In some cases useful info is found in syslog - try
dmesg | tail or so
reza@tux ~ $ dmesg | tail
attempt to access beyond end of device
hdd: rw=0, want=68, limit=4
attempt to access beyond end of device
hdd: rw=0, want=1252, limit=4
attempt to access beyond end of device
hdd: rw=0, want=1028, limit=4
UDF-fs: No partition found (1)
attempt to access beyond end of device
hdd: rw=0, want=68, limit=4
isofs_fill_super: bread failed, dev=hdd, iso_blknum=16, block=16
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1- should i change something in fstab to be able to write on dvd?
2- when i put a cd or dvd in dvdrom or dvdrw, i should mount them manualy in terminal. is there any way that the system mount it automatically the same as it is done for a USB stick memory? |
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lagalopex
Guru
Joined: 16 Oct 2004
Posts: 562
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| Posted: Thu Oct 02, 2008 10:05 am Post subject: |
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Normaly k3b should be able to recognice a dvd. Perhaps the drive is not working correctly (wrong driver, bad cable, ...)
Is it possible to read a normal dvd with that drive?
To use the dvd like a floppy you need to format it: packet writing.
You could look into automount and/or HAL. Or how are usb-sticks mounted for you?! (By your DE?) |
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hadian
n00b
Joined: 10 May 2007
Posts: 72
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| Posted: Thu Oct 02, 2008 10:59 am Post subject: |
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| yes, the drive can read a cd or dvd. but can not mount the raw cd or dvd as writable. |
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cyrillic
Watchman
Joined: 19 Feb 2003
Posts: 7313
Location: Groton, Massachusetts USA
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| Posted: Thu Oct 02, 2008 12:53 pm Post subject: |
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What kind of media are you trying to mount like this ?
As far as I know, only DVD-RAM and DVD+RW can be used "raw", all other types need to use some kind of packet writing software.
ps. You will also need to put a filesystem on the disc before the mount command will work. |
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hadian
n00b
Joined: 10 May 2007
Posts: 72
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| Posted: Thu Oct 02, 2008 2:53 pm Post subject: |
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| that is a DVD-R and i have no problem with it while i use this DVD on Ubuntu installed on the same computer. |
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