[PVFS-users] newbie in PVFS, Urgently need helped...

[Rob Ross]

Hi,

This looks almost exactly the same as the problems another user was having 
back in July:
 http://www.beowulf-underground.org/pipermail/pvfs-users/2004-July/001684.html

On Tue, 19 Oct 2004, Ai Chee Sin wrote:

> 1)
> At step 4.5 where in the guide it had a line as follow:
> [root at head /root]# /usr/local/bin/pvfs-ping -h head -f /pvfs-meta
> so i had also typed in #/usr/local/bin/pvfs-ping -h head -f /pvfs-meta, it 
> return the following:
> mgr (frontend-0:3000) is responding.
> iod 0 (10.1.1.1:7000) is responding.
> pvfs-ping: unable to connect to iod at 10.255.255.254:7000.
> iod 1 (10.255.255.254:7000) is down.
> pvfs file system /pvfs-meta has issues.
> 
> Is there anything wrong with the system? (I had only 1 node attached to the 
> frontend node.)

Yes, there is something wrong.  Did you start an iod on the machine
10.255.255.254?  Can you ping 10.255.255.254 from your head node?  What is
the contents of your .iodtab file?

What do you mean that you only had "1 node attached to the frontent node"?

> 2)
> In step 4.6, there is a step indicating that:
> 
> "Now edit this file so that it contains the following:
> head:/pvfs-meta  /mnt/pvfs  pvfs  port=3000  0  0
> This tells clients to look for a PVFS file system mounted on the /mnt/pvfs 
> directory. The metadata is being served from the head machine's /pvfs-meta 
> directory. "
> 
> Where is the file to be edited? Or what shall i do?

This file should be on all clients.

> 3)
> What does the following command do:
> #pvfs-ping -h frontend-0 -f /pvfs-meta -p 3000

It attempts to verify that the file system is working.

Rob