[Pvfs-users] Re: [Pvfs-developers] (no subject)
jian hu
jhu at cse.unl.edu
Wed Mar 5 13:27:18 EST 2008
On Wed, Mar 5, 2008 at 12:25 PM, jian hu <jhu at cse.unl.edu> wrote:
> Hi, Rob,
>
> I got some packets via tcpdump on both host1 and host2. I conclude that
> host1 tries to connect host2 and host2 can also see
> these request. But host2 never reply.
>
> I got this result according to the flag of the packet. The flag bit is
> "S", which means host1 tries to connect to host2.
>
> The tcmpdump result is attached to this mail.
> I type in command "tcpdump tcp port 3334".
>
> Thanks.
>
>
> On Wed, Mar 5, 2008 at 10:00 AM, Rob Ross <rross at mcs.anl.gov> wrote:
>
> > firewall blocking port 3334? if you're familiar with tcpdump or
> > ethereal, you could use one of those tools to look at the network
> > traffic.
> >
> > rob
> >
> > On Mar 5, 2008, at 9:26 AM, jian hu wrote:
> >
> > > Attached is the config file and fstab file in host1.
> > >
> > > I can ping each other from either host1 or host2. I can also ping
> > > the hostname too cause I set this up in system-administration-
> > > network in FC.
> > >
> > > Thank you.
> > >
> > > On Wed, Mar 5, 2008 at 7:53 AM, Rob Ross <rross at mcs.anl.gov> wrote:
> > > Hi Jian,
> > >
> > > It appears that you have a misconfigured network. "No route to host"
> > > is an IP networking error. I would try using UNIX tools like ping and
> > > ssh to ensure that you can connect from host2 to host1 and vice versa.
> > > You could try putting the IP address of the hosts in place of the
> > > "host1" and "host2" in your config file, as another option.
> > >
> > > Also, it would be better if this discussion occurred on the pvfs2-
> > > users mailing list. If are a member of the pvfs2-users list, please CC
> > > that mailing list in your reply. And please attach your /etc/fstab and
> > > PVFS configuration files, and note what version of PVFS you're
> > > attempting to install.
> > >
> > > Thanks,
> > >
> > > Rob
> > >
> > > On Mar 4, 2008, at 11:45 PM, jian hu wrote:
> > >
> > > > Hi,
> > > >
> > > > I try to install pvfs2 in two nodes, host1 is metadata server and
> > > > both of the two hosts are data servers.
> > > >
> > > > But when I use pvfs2-ping to test it, both host1 and host2 gave the
> > > > same error.
> > > > The output is below. Could anyone tell me where I'm wrong.
> > > >
> > > > Thank you.
> > > >
> > > > [root at host2 ~]# pvfs2-ping -m /mnt/pvfs2
> > > >
> > > > (1) Parsing tab file...
> > > >
> > > > (2) Initializing system interface...
> > > >
> > > > (3) Initializing each file system found in tab file: /etc/fstab...
> > > >
> > > > PVFS2 servers: tcp://host2:3334
> > > > Storage name: pvfs2-fs
> > > > Local mount point: /mnt/pvfs2
> > > > [E 00:21:19.659722] msgpair failed, will retry: No route to host
> > > > [E 00:21:21.666323] msgpair failed, will retry: No route to host
> > > > [E 00:21:23.670558] msgpair failed, will retry: No route to host
> > > > [E 00:21:25.676399] msgpair failed, will retry: No route to host
> > > > [E 00:21:27.681516] msgpair failed, will retry: No route to host
> > > > [E 00:21:29.686527] msgpair failed, will retry: No route to host
> > > > [E 00:21:29.686667] *** msgpairarray_completion_fn: msgpair to
> > > > server [UNKNOWN] failed: No route to host
> > > > [E 00:21:29.686690] *** Out of retries.
> > > > /mnt/pvfs2: FAILURE!
> > > >
> > > > Failure: could not initialze at least one of the target file
> > > systems.
> > > >
> > > > (4) Searching for /mnt/pvfs2 in pvfstab...
> > > >
> > > > PVFS2 servers: tcp://host2:3334
> > > > Storage name: pvfs2-fs
> > > > Local mount point: /mnt/pvfs2
> > > >
> > > > meta servers:
> > > > tcp://host1:3334
> > > >
> > > > data servers:
> > > > tcp://host1:3334
> > > > tcp://host2:3334
> > > >
> > > > (5) Verifying that all servers are responding...
> > > >
> > > > meta servers:
> > > > [E 00:21:29.687620] msgpair failed, will retry: No route to host
> > > > [E 00:21:29.687688] *** msgpairarray_completion_fn: msgpair to
> > > > server tcp://host1:3334 failed: No route to host
> > > > [E 00:21:29.687707] *** No retries requested.
> > > > tcp://host1:3334 FAILURE: PVFS_mgmt_noop failed for server:
> > > tcp://
> > > > host1:3334
> > > > Failure: could not communicate with one of the servers.
> > > >
> > > > (6) Verifying that fsid 1584819384 is acceptable to all servers...
> > > > [E 00:21:32.688942] msgpair failed, will retry: No route to host
> > > > [E 00:21:34.690239] msgpair failed, will retry: No route to host
> > > > [E 00:21:36.691466] msgpair failed, will retry: No route to host
> > > > [E 00:21:38.692930] msgpair failed, will retry: No route to host
> > > > [E 00:21:40.703077] msgpair failed, will retry: No route to host
> > > > [E 00:21:42.708181] msgpair failed, will retry: No route to host
> > > > [E 00:21:42.708247] *** msgpairarray_completion_fn: msgpair to
> > > > server tcp://host1:3334 failed: No route to host
> > > > [E 00:21:42.708268] *** Out of retries.
> > > > PVFS_mgmt_setparam_all: Detailed per-server errors are available
> > > > (error class: 0)
> > > > Failure: not all servers accepted fsid 1584819384
> > > > Per-server errors:
> > > > Server: tcp://host1:3334: No route to host
> > > > Server: tcp://host2:3334: No route to host
> > > >
> > > > (7) Verifying that root handle is owned by one server...
> > > >
> > > > Root handle: 1048576
> > > > [E 00:21:42.709659] msgpair failed, will retry: No route to host
> > > > [E 00:21:44.713420] msgpair failed, will retry: No route to host
> > > > [E 00:21:49.717688] msgpair failed, will retry: No route to host
> > > > [E 00:21:51.723536] msgpair failed, will retry: No route to host
> > > > [E 00:21:56.729725] msgpair failed, will retry: No route to host
> > > > [E 00:21:58.740788] msgpair failed, will retry: No route to host
> > > > [E 00:21:58.740845] *** msgpairarray_completion_fn: msgpair to
> > > > server tcp://host1:3334 failed: No route to host
> > > > [E 00:21:58.740866] *** Out of retries.
> > > > Failure: check root handle failed
> > > > PVFS_mgmt_setparam_all: Detailed per-server errors are available
> > > > (error class: 0)
> > > >
> > > > Exactly one server must own the root handle.
> > > > In this setup, no servers own the root handle.
> > > >
> > > > Per-server errors:
> > > > =============================================================
> > > >
> > > > The PVFS2 filesystem at /mnt/pvfs2 appears to have problems.
> > > >
> > > >
> > > > --
> > > > Jian Hu
> > > > CSE
> > > > University of Nebraska Lincoln
> > > > _______________________________________________
> > > > Pvfs-developers mailing list
> > > > Pvfs-developers at beowulf-underground.org
> > > > http://www.beowulf-underground.org/mailman/listinfo/pvfs-developers
> > >
> > >
> > >
> > >
> > > --
> > > Jian Hu
> > > CSE
> > > University of Nebraska Lincoln <pvfs2-fs.conf><fstab>
> >
> >
>
>
> --
> Jian Hu
> CSE
> University of Nebraska Lincoln
>
--
Jian Hu
CSE
University of Nebraska Lincoln
-------------- next part --------------
An HTML attachment was scrubbed...
URL: http://www.beowulf-underground.org/pipermail/pvfs-users/attachments/20080305/8c64d393/attachment.htm
More information about the Pvfs-users
mailing list