cp weirdness on /dev

Net Llama! netllama
Mon May 17 11:56:08 PDT 2004


On 11/27/03 10:03, Joel Hammer wrote:

> Yes. This is a file system problem.
> 
> If I mount Machine A's share using samba on machine B, and list the file
> structure on Machine A, /dev doesn't display properly. It looks just like
> what I am seeing with cp and tar.
> 
> SO, what gives?
> 
> The file structure on machine A is ext2 and no devfs. Machine B uses
> reiserfs and devfs. Since only /dev is affected, I would bet on devfs.

But you can't write directly into a devfs mountpoint, which is what machine 
B has, right?

> On Thu, Nov 27, 2003 at 12:29:59PM -0500, Joel Hammer wrote:
> 
>>Oy. This isn't just cp.
>>
>>I tried to tar this directory structure, thinking cp was the culprit. It
>>wasn't. This command from machine B:
>>tar -cPv /mnt/jhammer6/mnt/hdc1/Backup_jhammer6/ -f jhammer6.tar
>> 
>>results in the exact same problem in the dev directory as I saw with cp.
>>
>>tar -tvf jhammer6.tar
>>
>>-rwxr-xr-x root/root         0 2000-02-17 11:36:12
>>/mnt/jhammer6/mnt/hdc1/Backup_jhammer6/dev/cm206cd
>>
>>-r-xr-xr-x root/root 835731456 2003-11-27 12:04:58
>>/mnt/jhammer6/mnt/hdc1/Backup_jhammer6/dev/core
>>
>>Note that /proc was copied, not just the link.
>>
>>Now, I am using devfs on receiving machine, B. It would seem too weird
>>if THAT were the problem.
>>
>>If I tar this directory structure on machine A, it works as expected.
>>
>>This doesn't seem like a samba issue. 
>>
>>Joel


-- 
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
L. Friedman                       	       netllama at linux-sxs.org
Linux Step-by-step & TyGeMo: 		    http://netllama.ipfox.com

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