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Old 04-15-2015, 07:52 AM   #1
Wocky
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Registered: Oct 2004
Location: Australia
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"apt-cdrom add" does nothing


This machine has DVD-RW drives to spare, and 10 of them have the complete wheezy set (one in each, of course.) The relevant entries in /etc/fstab is:
Code:
# grep cdrom /etc/fstab
/dev/sr3        /mnt/cdrom3     udf,iso9660 user,noauto,ro     0       0
/dev/sr4        /mnt/cdrom4     udf,iso9660 user,noauto,ro     0       0
/dev/sr5        /mnt/cdrom5     udf,iso9660 user,noauto,ro     0       0
/dev/sr6        /mnt/cdrom6     udf,iso9660 user,noauto,ro     0       0
/dev/sr7        /mnt/cdrom7     udf,iso9660 user,noauto,ro     0       0
/dev/sr8        /mnt/cdrom8     udf,iso9660 user,noauto,ro     0       0
/dev/sr9        /mnt/cdrom9     udf,iso9660 user,noauto,ro     0       0
/dev/sr10       /mnt/cdrom10    udf,iso9660 user,noauto,ro     0       0
/dev/sr11       /mnt/cdrom11    udf,iso9660 user,noauto,ro     0       0
/dev/sr12       /mnt/cdrom12    udf,iso9660 user,noauto,ro     0       0
#
I can manually mount the disks with mount, as normal:
Code:
# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sdi1       197G   47G  141G  26% /
# mount /mnt/cdrom3
# df -h
Filesystem      Size  Used Avail Use% Mounted on
/dev/sdi1       197G   47G  141G  26% /
/dev/sr3        3.7G  3.7G     0 100% /mnt/cdrom3
# ls -al /mnt/cdrom3
total 1298
dr-xr-xr-x  1 root root   4096 Apr 26  2014 ./
drwxr-xr-x 59 root root   4096 Jun 28  2014 ../
dr-xr-xr-x  1 root root   2048 Apr 26  2014 .disk/
-r--r--r--  1 root root   9264 Apr 26  2014 README.html
-r--r--r--  1 root root 176551 Apr 11  2014 README.mirrors.html
-r--r--r--  1 root root  87800 Apr 11  2014 README.mirrors.txt
-r--r--r--  1 root root    425 Apr 26  2014 README.source
-r--r--r--  1 root root   5829 Apr 26  2014 README.txt
-r--r--r--  1 root root     27 Apr 26  2014 autorun.inf
dr-xr-xr-x  1 root root   2048 Apr 26  2014 boot/
dr-xr-xr-x  1 root root   2048 Apr 26  2014 css/
lr-xr-xr-x  1 root root      1 Apr 26  2014 debian -> ./
dr-xr-xr-x  1 root root   2048 Apr 26  2014 dists/
dr-xr-xr-x  1 root root   4096 Apr 26  2014 doc/
dr-xr-xr-x  1 root root   2048 Apr 26  2014 efi/
dr-xr-xr-x  1 root root   2048 Apr 26  2014 firmware/
-r--r--r--  1 root root 159629 Apr 24  2014 g2ldr
-r--r--r--  1 root root   8192 Apr 24  2014 g2ldr.mbr
dr-xr-xr-x  1 root root   2048 Apr 26  2014 install/
dr-xr-xr-x  1 root root   2048 Apr 26  2014 install.amd/
dr-xr-xr-x  1 root root   4096 Apr 26  2014 isolinux/
-r--r--r--  1 root root 473031 Apr 26  2014 md5sum.txt
dr-xr-xr-x  1 root root   2048 Apr 26  2014 pics/
dr-xr-xr-x  1 root root   2048 Apr 26  2014 pool/
-r--r--r--  1 root root 366350 Apr 24  2014 setup.exe
dr-xr-xr-x  1 root root   2048 Apr 26  2014 tools/
-r--r--r--  1 root root    256 Apr 26  2014 win32-loader.ini
#head -2 /mnt/cdrom3/README.txt
        Debian GNU/Linux 7.5.0 "Wheezy" - Official amd64 DVD Binary-1
                               20140426-13:37
#
The same is true for the other 9 disks, of course (different contents, though.) With my /etc/apt/sources.list empty (actually, changing what's in /etc/apt/sources.list makes no difference whatsoever), the apt-cdrom ident command gives:
Code:
# apt-cdrom ident -d /mnt/cdrom3
Using CD-ROM mount point /mnt/cdrom3/
Mounting CD-ROM
Identifying.. [6d73808cb688810c8ef5c8c235d13cba-2]
Stored label:
Unmounting CD-ROM...
#
with similar results for the other 9 disks. When I try to add the disks to the apt system, though, nothing happens:
Code:
# apt-cdrom add -d /mnt/cdrom3
Repeat this process for the rest of the CDs in your set.
#
but the disk isn't added. The command takes a fraction of a second to run (0.024s, according to time(1)), and the drive is not accessed at all. I've tried all the options available to apt-cdrom, separately and multiply, without any useful results. There's absolutely no indication of what's wrong. I've tried adding the disk IDs to /etc/apt/sources.list manually:
Code:
# cat /etc/apt/sources.list
deb cdrom:[Debian GNU/Linux 7.5.0 _Wheezy_ - Official amd64 DVD Binary-1 20140426-13:37]/ wheezy contrib main
#
but it makes no difference. I've tried adding Acquire::cdrom::mount "/mnt/cdrom3/"; to /etc/apt/apt.conf, but it makes no difference.
Code:
# cat /etc/apt/apt.conf
Acquire::cdrom::mount "/mnt/cdrom3/";
#
What the hell's going on? I'm beginning to think the whole apt system is irreparably brain-damaged, although it may be my brain that's damaged.

Am I missing something obvious? Is it a bug in apt-cdrom?
 
Old 04-15-2015, 08:18 AM   #2
Head_on_a_Stick
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Registered: Dec 2014
Location: London, England
Distribution: Debian stable (and OpenBSD-current)
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Rep: Reputation: 285Reputation: 285Reputation: 285
The man page does say:
Quote:
each disc in a multi-CD set must be inserted and scanned separately to account for possible mis-burns
So maybe you should try it with just one drive at a time.

I've never used `apt-cdrom` so I can't really offer any more.
 
Old 04-15-2015, 08:29 AM   #3
Wocky
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Registered: Oct 2004
Location: Australia
Posts: 37

Original Poster
Rep: Reputation: 2
I just tried that. It made absolutely no difference. Thanks, though.
 
  


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