[Lustre-discuss] Unable to mount (-5)

[konrad.gutkowski at ffs.pl]

Hi,

I've upgraded Lustre installation from 1.5.6 to 1.6.4 and after mount  
attept on a client node evry time i get the following error:

--------------

Dec  8 19:07:46 vs64h1 [ 3218.642824] LustreError:  
4097:0:(client.c:975:ptlrpc_expire_one_request()) @@@ timeout (sent at  
1197137166, 100s ago)  req at ffff810039f78c00 x36/t0  
o503->MGS at MGC192.168.0.4@tcp_0:26 lens 176/8320 ref 1 fl Rpc:/0/0 rc  
0/-22
Dec  8 19:07:46 vs64h1 [ 3218.642994] LustreError: 166-1:  
MGC192.168.0.4 at tcp: Connection to service MGS via nid 192.168.0.4 at tcp  
was lost; in progress operations using this service will fail.
Dec  8 19:09:26 vs64h1 [ 3318.578560] LustreError: 15c-8:  
MGC192.168.0.4 at tcp: The configuration from log 'beta7-client' failed  
(-5). This may be the result of communication errors between this node  
and the MGS, a bad configuration, or other errors. See the syslog for  
more information.
Dec  8 19:09:26 vs64h1 [ 3318.578772] LustreError:  
4097:0:(llite_lib.c:1021:ll_fill_super()) Unable to process log: -5
Dec  8 19:09:26 vs64h1 [ 3318.579074] Lustre: MGC192.168.0.4 at tcp:  
Reactivating import
Dec  8 19:09:26 vs64h1 [ 3318.579125] Lustre: MGC192.168.0.4 at tcp:  
Connection restored to service MGS using nid 192.168.0.4 at tcp.
Dec  8 19:09:26 vs64h1 [ 3318.581448] Lustre: client ffff810038fb3400  
umount complete
Dec  8 19:09:26 vs64h1 [ 3318.581501] LustreError:  
4097:0:(obd_mount.c:1924:lustre_fill_super()) Unable to mount  (-5)

---------

The partitions was reformated using 1.6.4, server is using 2.6.18.8  
vanilla kernel, client 2.6.21.5, i followed the instructions in  
http://wiki.lustre.org/index.php?title=Mount_Conf

All nodes are reachable with lctl ping (there were no configuration  
changes except lustre and lernel version)

TIA,
Konrad Gutkowski

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