Do you have the following line in /etc/hosts.allow:
nbdrootd: ALL: keepalive
-Gadi
On Fri, 2008-09-26 at 12:04 +0200, Wojtek Polcwiartek wrote:
> Hello,
>
> we try to implement LTSP in pc-pool (about 200 thin clients) for
> students at Tech.Univ. of Berlin (we are students too). The work is
> almost done. We are now in the test phase. Here we got an error, witch
> can stop our project :/ We use [EMAIL PROTECTED]
> Our problem: The connection between nbd-client and ndb-server breaks.
>
> The message at the clients says (After switching to another terminal):
> "nbd0: Attempted to send on closed socket"
>
> The logs at the server:
> - Connection
> ./syslog:Sep 24 16:43:14 lts02 nbdrootd[11882]: connect from
> 130.149.10.132 (130.149.10.132)
> ./syslog:Sep 24 16:43:14 lts02 nbd_server[11883]: connect from
> 130.149.10.132, assigned file is /opt/ltsp/images/i386.img
> ./syslog:Sep 24 16:43:14 lts02 nbd_server[11883]: Size of exported
> file/device is 228229120
> ./syslog:Sep 24 16:43:16 lts02 nbdrootd[11903]: connect from
> 130.149.10.131 (130.149.10.131)
> ./syslog:Sep 24 16:43:16 lts02 nbd_server[11904]: connect from
> 130.149.10.131, assigned file is /opt/ltsp/images/i386.img
> ./syslog:Sep 24 16:43:16 lts02 nbd_server[11904]: Size of exported
> file/device is 228229120
>
> - Connection lost
> Sep 24 17:56:08 lts02 nbd_server[11883]: Read failed: Connection reset
> by peer
> Sep 24 17:56:08 lts02 nbd_server[11904]: Read failed: Connection reset
> by peer
>
>
> Do You have any idea why could it happen?
>
> What tcp-ports are needed for well-working LTSP? We opened 69 (tftp) and
> 2000 (nbd-server). Our network infrastructure works good: we couldn't
> notice high-traffic time periods.
>
> Our H/W-Configuration:
> 2xServers (4x3GHz, 4GB Ram), H/W load balancer
> about 200x HP t5725, t5735 and t5525
>
>
> I already wrote an email about this error, but now I deliver some details.
>
>
> Thanks in advance!
>
>
--
--------------------------------------------------------
Gideon Romm | Proud LTSP Developer
[EMAIL PROTECTED]
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