Re: Dumping a remote Filesystem

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On Tue, Dec 28, 2004 at 03:48:02PM +0000, Tony Molloy wrote:
> Hi,
> 
> Is it possible to dump a remotely mounted NFS filesystem to a local tape 
> drive.
> 
> I export a filesystem from machine1 to machine2
> 
>     /users/rsch2            youngmunster(rw,no_root_squash,sync)
> 
> I mount this filesystem on machine 2
>  
>     mount oc:/users/rsch2   /users/rsch2
> 
> Then when I try to dump it I get the following and an empty dump tape.
> 
> [root@youngmunster bin]# /sbin/dump 0 -a -f /dev/st0 /users/rsch2
>   DUMP: Date of this level 0 dump: Tue Dec 28 15:33:47 2004
>   DUMP: Dumping /dev/sda1 (/ (dir users/rsch2)) to /dev/st0
>   DUMP: Excluding inode 8 (journal inode) from dump
>   DUMP: Excluding inode 7 (resize inode) from dump
>   DUMP: Label: /
>   DUMP: Writing 10 Kilobyte records
>   DUMP: mapping (Pass I) [regular files]
>   DUMP: mapping (Pass II) [directories]
>   DUMP: estimated 62 blocks.
>   DUMP: Volume 1 started with block 1 at: Tue Dec 28 15:33:47 2004
>   DUMP: dumping (Pass III) [directories]
>   DUMP: dumping (Pass IV) [regular files]
>   DUMP: Closing /dev/st0
>   DUMP: Volume 1 completed at: Tue Dec 28 15:33:54 2004
>   DUMP: Volume 1 50 blocks (0.05MB)
>   DUMP: Volume 1 took 0:00:07
>   DUMP: Volume 1 transfer rate: 7 kB/s
>   DUMP: 50 blocks (0.05MB) on 1 volume(s)
>   DUMP: finished in less than a second
>   DUMP: Date of this level 0 dump: Tue Dec 28 15:33:47 2004
>   DUMP: Date this dump completed:  Tue Dec 28 15:33:54 2004
>   DUMP: Average transfer rate: 7 kB/s
>   DUMP: DUMP IS DONE
> 
> 
> Regards,
> 
> Tony
> 
> -- 
> 
> 
> 
> Tony Molloy.
> 
Seems to me it should work, but I haven't used dump ever on a linux
machine. It seems to me the critical test would be to try to do this
with a filesystem on the local machine. If that works then nfs is the
problem . If it does not work than the dump command is the problem.
-- 

=======================================================================
Thousands of days of civilians ... have produced a ... feeling for the
aesthetic modules --
-------------------------------------------
Aaron Konstam
Computer Science
Trinity University
One Trinity Place.
San Antonio, TX 78212-7200

telephone: (210)-999-7484
email:akonstam@xxxxxxxxxxx


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