Glad I could help.
On Wed, Apr 30, 2008 at 1:39 PM, Shiang-Tai Lin <[EMAIL PROTECTED]> wrote:
> Hi Michael,
>
> Your analysis is perfectly correct. After replacing ethernet cables with
> new ones and relocating the switch to a more suitable place (it was
> placed on top of a hot computer which might have led to its
> malfunctioning), the bizarre errors were gone and the client
> installation was done within a minute. So now my new cluster is now up
> and running.
>
> I cannot thank you enough for the help. I have been wondering all along
> that the problem may be on the computers themselves. It has never
> occurred to me that the problem is actually on the ethernet cables
> and/or the switch!
>
> Shiang-Tai Lin
>
> Michael Edwards wrote:
> > Have you tried a different switch? Or maybe even a crossover cable...
> > That would eliminate the network fabric as the problem.
> > This is probably a long shot, but it looks like you are having network
> > issues of some kind.
> >
> > Also, check /var/log/messages to see if there are any obvious network
> > errors.
> >
> > You could also try and find some 10/100 ethernet cards and try imaging
> > using those (the network drivers are better). That would let you know
> > if the network card drivers are bad.
> >
> > If the Network cards are on the motherboard, you could check for
> > firmware/bios updates at your motherboard mfg website. Some network
> > cards are known to be flakey with linux as well, so you might check
> > boards and google for your network card model and your linux
> distribution.
> >
> > On Mon, Apr 28, 2008 at 10:46 PM, stlin <[EMAIL PROTECTED]
> > <mailto:[EMAIL PROTECTED]>> wrote:
> >
> > Hi Michael:
> >
> > I follow your suggestion and have a clean OS (FC8) and OSCAR (5.1b2)
> > install. The client installations again stuck at "Quietly installing
> > image..." and failed after about 2 hrs. Note that I have turned
> > off the
> > firewall on the head node during the OS install. The oscar log file
> is
> > posted on
> > from begining to step 3: http://pastebin.ca/1001279
> > steps 4 to 6: http://pastebin.ca/1001283
> > and the client terminal output: http://pastebin.ca/1001286
> >
> > Although the client installation was not complete, I can ssh from
> the
> > client to the sever. So for some unknown reason, the data transfer
> > seems
> > to be extremely slow between the head and client nodes and rsync
> > seemed
> > to fail after several hundred minutes.
> >
> > Thanks a lot for looking into this problem for me.
> >
> > Sincerely,
> > Shiang-Tai Lin
> >
> > Michael Edwards wrote:
> > > Personally I would start from a clean OS install. I might even
> try
> > > downloading the repositories again. It sounds like something is
> > very
> > > broken. When you try again try running the wizard by doing
> > >
> > > env OSCAR_VERBOSE=3 ./install_cluster eth0
> > >
> > > I wouldn't trust your current setup though, it seems like it has
> > > gotten beyond useful debugging.
> > >
> > > On Sat, Apr 26, 2008 at 1:50 AM, stlin <[EMAIL PROTECTED]
> > <mailto:[EMAIL PROTECTED]>
> > > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>> wrote:
> > >
> > > Hi Michael,
> > >
> > > Thanks for your reply.
> > >
> > > I tried "/etc/init.d/mysqld status" and the result showed that
> > > mysql was running. And even if I execute "/etc/init.d/mysqld
> > > restart", I still get "DBD::mysql::st execute failed: MySQL
> > server
> > > has gone away at /opt/oscar/lib/OSCAR/oda.pm <http://oda.pm>
> > <http://oda.pm> line
> > > 802." when I click on the "Setup Networking" button.
> > >
> > > I then tried to start over (/opt/oscar/scripts/start_over),
> > > rebooted the server, and launched the OSCAR wizard. But this
> > time
> > > the client installation got stuck after received
> > > boel_binaries.tar.gz. The terminal output from the client is
> > > http://pastebin.ca/998123 and the oscar log file is posted to
> > > http://pastebin.ca/998121.
> > >
> > > Any hint will be highly appreciated. Thank you.
> > >
> > > Sincerely,
> > >
> > > Shiang-Tai
> > >
> > > Michael Edwards wrote:
> > >> It looks like your mysql daemon on the head node died or
> > was not
> > >> started.
> > >>
> > >> Try doing "/etc/init.d/mysqld restart" and try reimaging
> > the nodes.
> > >>
> > >> On Fri, Apr 25, 2008 at 11:09 AM, Shiang-Tai Lin
> > >> <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>> wrote:
> > >>
> > >> Hi Michael,
> > >>
> > >> Thanks for the instruction.
> > >>
> > >> The oscar log is posted on http://pastebin.ca/997165
> > >>
> > >> The complete client terminal message is posted on
> > >> http://pastebin.ca/997170 </997170>
> > >>
> > >> Thanks in advance for any hints.
> > >>
> > >> Shiang-Tai
> > >>
> > >> Michael Edwards wrote:
> > >> > Logs etc would be helpful. Post them at pastebin.ca
> > <http://pastebin.ca>
> > >> <http://pastebin.ca>
> > >> > <http://pastebin.ca> and post a link here.
> > >> >
> > >> > On Fri, Apr 25, 2008 at 10:30 AM, Shiang-Tai Lin
> > >> <[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>
> > >> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>
> > <mailto:[EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]>>>> wrote:
> > >> >
> > >> > Hi,
> > >> >
> > >> > My attempt to set up a cluster using OSCAR 5.1b2
> with
> > >> Fedora core
> > >> > 8 was
> > >> > failed during the client installation (Step 6,
> > >> Monitoring Cluster
> > >> > Deployment). The installation of client image
> > seems to
> > >> be abnormally
> > >> > slow (data transfer speed was about 50 Kb/s) and
> > failed
> > >> after
> > >> > about 150
> > >> > minutes with nc and rsync error. The last few lines
> > >> from the client
> > >> > terminal output are
> > >> >
> > >> > ************quote from the client
> > >> > terminal********************************
> > >> > Quietly installing image...
> > >> > /rsync -aHS --exclude=lost+found/ --exclude=/proc/*
> > >> --numeric-ids
> > >> > 10.0.3.230::oscarimage/ /a/
> > >> > /nc: connect: No route to host
> > >> > -|/-|/-|/-nc: connect: No route to host
> > >> > |/-|/-|/-nc: connect: No route to host
> > >> > |/-|/-|/-|nc: connect: No route to host
> > >> > -|/-|/-|/-|/-|/-|/-|/-|/rsync error: timeout in
> data
> > >> send/receive
> > >> > (code
> > >> > 30) at io.c(165) [sender=2.6.9]
> > >> > rsync: read error: Connection reset by peer (104)
> > >> > rsync error: error in rsync protocol data stream
> > (code
> > >> 12) at
> > >> > io.c(759)
> > >> > [receiver=3.0.0pre6]
> > >> > rsync: connection unexpectedly closed (776458 bytes
> > >> received so far) a
> > >> > rsync error: error in rsync protocol data stream
> > (code
> > >> 12) at
> > >> > io.c(600) a
> > >> > Killing off running processes.
> > >> >
> > >> > write_variables
> > >> >
> > >>
> > **************************************************************
> > >> >
> > >> > The hardware spec (both for the server and the
> > client) are
> > >> > CPU: dual Intel Xeon E5345 (quad core)
> > >> > Motherboard: Tyan S2692 Tempest i5000XL #D1796-100
> > >> > Network Card: Intel(R) PRO/1000 Gigabit Server
> > Adapter
> > >> (Intel GbE from
> > >> > ESB2(w/ single port "Gilgal")-ASF2.0)
> > >> > Hard Drive: 250GB SATA2
> > >> >
> > >> > I have upgraded the BIOS to the latest version
> > and used
> > >> "UYOK" in
> > >> > network setup. I have also stopped the firewall
> > >> (service iptables
> > >> > stop).
> > >> > Any hints to solve the problem is greatly
> > appreciated.
> > >> Please let me
> > >> > know if it is necessary to post the complete
> > oscar log
> > >> file and the
> > >> > client terminal messages (they are over 50 Kb).
> > Thanks
> > >> a lot.
> > >> >
> > >> > Sincerely,
> > >> > Shiang-Tai Lin
> > >> >
> > >> >
> > >> >
> > >> >
> > >> >
> > >>
> >
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