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  #1  
Old June 21st, 2009, 07:58
register88 register88 is offline
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Default mount iso file
I want mount the dvd.iso file, when i use the mdconfig, it always show this warnings:

root@FreeBSD64/samba/movie# mdconfig -a -t vnode -f Museum2009.iso -u 0
mdconfig: ioctl(/dev/mdctl): Permission denied

root@FreeBSD64/samba/movie# ls -lt /dev/mdctl
crw------- 1 root wheel 0, 71 6 21 09:40 /dev/mdctl

My system is FreeBSD/amd64/7.2-stable.

I can use the virtualbox mount the dvd.iso file to guest OS cdrom drive(and watch the dvd), so i think the problem shall not be the dvd.iso file.

How to mount the dvd.iso file on FreeBSD?

Please help, thank you.
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  #2  
Old June 21st, 2009, 09:05
mk mk is offline
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first check is dvd.iso already accessed by other process, then change -u 0 let say -u 55 and mount /dev/md55
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  #3  
Old June 21st, 2009, 09:10
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Quote:
Originally Posted by register88 View Post
I want mount the dvd.iso file, when i use the mdconfig, it always show this warnings:

root@FreeBSD64/samba/movie# mdconfig -a -t vnode -f Museum2009.iso -u 0
mdconfig: ioctl(/dev/mdctl): Permission denied
Try without using -u. There may already be a /dev/md0.
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  #4  
Old June 21st, 2009, 11:00
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Hi, i tried
mdconfig -a -t vnode -f /samba/movie/Museum2009.iso
and
mdconfig -a -t vnode -f /samba/movie/Museum2009.iso -u 55
the result is same.

mdconfig: ioctl(/dev/mdctl): Permission denied

and my system have not and md[0-9]
ls -l /dev/md*
crw------- 1 root wheel 0, 71 6 21 09:40 /dev/mdctl

Thank you, please help.
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  #5  
Old June 21st, 2009, 15:01
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i receive permission denied when tried to use mdconfig as normal user, are you sure that you are root ?
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  #6  
Old June 22nd, 2009, 03:23
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Quote:
Originally Posted by mk View Post
i receive permission denied when tried to use mdconfig as normal user, are you sure that you are root ?
Yes, i'm SURE
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  #7  
Old June 22nd, 2009, 10:09
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Have you tried with -t cd9660?
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  #8  
Old June 22nd, 2009, 11:06
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Originally Posted by DutchDaemon View Post
Have you tried with -t cd9660?
What is that mean?
mount_cd9660?
no, i have not tried, can you tell me more, i want to try it.
please help, thank you.
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  #9  
Old June 22nd, 2009, 11:08
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mdconfig(8)

Code:
     To create an md(4) device out of an ISO 9660 CD image file (-a and -t
     vnode are implied), using the first available md(4) device, and then
     mount the new memory disk:

           mount -t cd9660 /dev/`mdconfig -f cdimage.iso` /mnt
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  #10  
Old June 22nd, 2009, 11:13
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What are the permissions on the file you are trying to mount?
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  #11  
Old June 22nd, 2009, 11:53
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Quote:
Originally Posted by DutchDaemon View Post
mdconfig(8)

Code:
     To create an md(4) device out of an ISO 9660 CD image file (-a and -t
     vnode are implied), using the first available md(4) device, and then
     mount the new memory disk:

           mount -t cd9660 /dev/`mdconfig -f cdimage.iso` /mnt
root@/samba/movie# mount -t cd9660 /dev/`mdconfig -f Museum2009.iso` /mnt
mdconfig: ioctl(/dev/mdctl): Permission denied
mount_cd9660: /dev: Block device required

Any idea, it will Permission denied?
ever do it as root.
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  #12  
Old June 22nd, 2009, 12:01
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Quote:
Originally Posted by SirDice View Post
What are the permissions on the file you are trying to mount?
I'm sure the file system is mount as read and write permissions.
because i can read/write other file in this directory /samba/movie

root@/samba/movie# ls -l Museum2009.iso
-rwxr-xr-x 1 samba samba 4298829824 6 19 00:05 Museum2009.iso

root@/samba/movie# mount -v /samba
//SAMBA@PDC/SHARE on /samba (smbfs, fsid 0cff000a0a000000)
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  #13  
Old June 22nd, 2009, 12:12
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Could you try copying the iso to a local filesystem and mounting from there?
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  #14  
Old June 23rd, 2009, 03:45
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Sorry everyone, i know the problem now, the problem is the Museum2009.iso file is readonly.
this command can solve it:
mdconfig -a -t vnode -o readonly -f /samba/movie/Museum2009.iso

Thank all.
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  #15  
Old June 23rd, 2009, 14:28
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Quote:
Originally Posted by DutchDaemon View Post
Have you tried with -t cd9660?
Quote:
Originally Posted by DutchDaemon View Post
mdconfig(8)

Code:
     To create an md(4) device out of an ISO 9660 CD image file (-a and -t
     vnode are implied), using the first available md(4) device, and then
     mount the new memory disk:

           mount -t cd9660 /dev/`mdconfig -f cdimage.iso` /mnt
-t cd9660 is not a valid option for mdconfig(8), this is an option for mount(8), which is very different.

mdconfig just creates a memory disk, it does nothing with filesystems, for example:

Code:
# mdconfig -at vnode -f /ports/INDEX-7 
md0
# head -c 70 /dev/md0
accerciser-1.6.1|/usr/ports/accessibility/accerciser|/usr/local|Intera
As a sidenote, you should probably use UDF for DVD's, not cd9660...
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