[Linux-cluster] GNBD/GFS question

mehmet celik bsd_daemon at msn.com
Sat Jul 14 18:47:56 UTC 2007


hi james, i am sorry...

>>>  you should use "gnbd_import -s XXXX -t YYYY" on GNBD_SERVER. XXXX is 
>>>node_name or node_IP. YYYY is gnbd_server_name or gnbd_server_IP.

may be "gnbd_import -u XXXX -t YYYY". right now, I dont remember.

additionally to this, see man page of "gnbd_import".

Mehmet CELIK
Istanbul/TURKEY

>From: James Fait <fait at anl.gov>
>Reply-To: linux.clustering at redhat.com,linux clustering 
><linux-cluster at redhat.com>
>To: linux clustering <linux-cluster at redhat.com>
>Subject: [Linux-cluster] GNBD/GFS question
>Date: Sat, 14 Jul 2007 13:14:15 -0500
>
>I have run into the following problem using GNBD/GFS on a 4 node test
>cluster I have set up.  I have been testing failure scenarios to make
>sure that things will be handled correctly when a node is fenced using
>fence_gnbd.
>The cluster is a set of 4 dell 1u servers, with dual 1GB network
>connections, one to the intranet, and the other to a storage net.  The
>cluster communications all happen on the storage net.  Each machine has
>a dns name, which is decoded to the hostname for logs, which is the
>intranet address. The storage net also has name to ip resolution via the
>hosts file, to names of the form cluster*.  Cluster29 is the gnbd server
>node, and does not mount the gfs volume at all.  The other three nodes
>do mount the gfs volume.
>
>This is the test that is currently causing the problem.
>         I kill the network link for cluster28(com28) using the network
>         switch to temporarily disable the link.
>
>         Cluster28 is fenced successfully. One of the other nodes handles
>         the gfs cleanup.
>
>         The network link is restored.
>
>         Cluster28 attempts an orderly shutdown, and hangs on umount of
>         gfs.  Later, it is power cycled to force reboot.
>
>         Cluster28 rejoins the cluster, and attempts to mount gfs.  The
>         gnbd_import command fails with the error messages:
>                 gnbd_recvd: ERROR login refused by the server,
>                 quitting : Operation not permitted
>                 gnbd_import: ERROR gnbd_recvd failed
>
>         Cluster29 reports the error:
>                 com29 gnbd_serv[4794]: ERROR [gserv.c:468] client
>                 cluster28 is banned. Canceling login
>
>What is happening, and what can I do about it?
>
>Sincerly
>
>Jim
>--
>James Fait, Ph.D.
>Beamline Scientist, SER-CAT
>APS, building 436B-008
>Argonne National Laboratory
>9700 S Cass Ave
>Argonne, IL 60439
>phone 630-252-0644
>fax   630-252-0652
>email fait at anl.gov
>
>--
>Linux-cluster mailing list
>Linux-cluster at redhat.com
>https://www.redhat.com/mailman/listinfo/linux-cluster

_________________________________________________________________
http://imagine-windowslive.com/hotmail/?locale=en-us&ocid=TXT_TAGHM_migration_HM_mini_2G_0507




More information about the Linux-cluster mailing list