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Re: [ttlug] Re: [ttcs] TTLUG's Tech meeting on Thursday June 5th 2008 at 8pm.

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  • Richard Bailey
    The reboot issue is still there. It s easier if you unmount the clients before rebooting the NFS server. On Fri, Jun 6, 2008 at 12:57 PM, Stephen Sankarsingh
    Message 1 of 12 , Jun 6, 2008
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      The reboot issue is still there. It's easier if you unmount the clients
      before rebooting the NFS server.

      On Fri, Jun 6, 2008 at 12:57 PM, Stephen Sankarsingh <stephentnt@...>
      wrote:

      > I remember using NFS a long time ago and having problems rebooting a
      > server because it couldn't unmount an NFS share (I think). I guess
      > those types of issues have been long fixed since then.
      >
      > It would have been awesome to attend this meeting, thanks for taking
      > the time to answer. I guess this is what happens when one is
      > forgetful, meh...
      >
      > /Stephen (a.k.a. brain like a sieve, attention span of a goldfish)
      >
      >
      > --- In TTLUG@yahoogroups.com <TTLUG%40yahoogroups.com>, "Richard Bailey"
      > <rmjb@...> wrote:
      > >
      > > You're right, I guess we do use a lot of NFS. Those are some really
      > > good questions that weren't touched on in the discussion after.
      > >
      > > All the servers use the same binaries, they don't have unique binaries
      > > for themselves. However, the oracle home also has oracle settings, and
      > > there are some settings that have to be unique for each server. For
      > > example, which IP to listen on, what are the IPs of the other oracle
      > > servers and so on. This information will be different for each server
      > > but they have to reside in the oracle home.
      > > What we had to do in this case is create directories outside the
      > > oracle home that held this information. On each server the directories
      > > where in the same place. Then in the shared oracle home we created a
      > > symlink to the outside location. So when oracle on each server looked
      > > in the standard place for these settings files the files would
      > > actually be retrieved from the local filesystem.
      > >
      > > As to the loss in connectivity, Red Hat's clustering solution reboots
      > > the server if it can't communicate with the cluster. On reboot it
      > > should rejoin.
      > >
      > > Monitoring of this system is done with tools within SAP. SAP has made
      > > their tools RAC aware.
      > >
      > > We had some really good discussions after the presentation. It's too
      > > bad we could not record the audio.
      > >
      > >
      > >
      > > On 6/6/08, Stephen Sankarsingh <stephentnt@...> wrote:
      > > > Looks awesome, I was right here but forgot to attend.
      > > > Do all the binaries run on all hosts or is each host dedicated to a
      > > > particular binary? Looks like you use NFS a lot, what happens with
      > > > that if one of the servers have a connectivity problem? How is this
      > > > monitored?
      > > >
      > > > meh, wish i attended...
      > > >
      > > > /Stephen
      > > >
      > > > --- In TTLUG@yahoogroups.com <TTLUG%40yahoogroups.com>, "Richard
      > Bailey" <rmjb@> wrote:
      > > >>
      > > >> Thanks to all that attended. Here's the presentation for anyone that
      > > > wants
      > > >> to take a look.
      > > >>
      > > >> --
      > > >> Reporter: What is your opinion on the obesity problem?
      > > >> King: I prefer it to the famine problem
      > > >> - Wizard of ID
      > > >>
      > > >>
      > > >> [Non-text portions of this message have been removed]
      > > >>
      > > >
      > > >
      > > >
      > >
      > > --
      > > Sent from Gmail for mobile | mobile.google.com
      > >
      > > Reporter: What is your opinion on the obesity problem?
      > > King: I prefer it to the famine problem
      > > - Wizard of ID
      > >
      >
      >
      >



      --
      Reporter: What is your opinion on the obesity problem?
      King: I prefer it to the famine problem
      - Wizard of ID


      [Non-text portions of this message have been removed]
    • Stephen Sankarsingh
      Wish I knew that at the time :p ... Bailey ... binaries ... settings, and ... server ... directories ... looked ... reboots ... made ... to a ... this ...
      Message 2 of 12 , Jun 6, 2008
      • 0 Attachment
        Wish I knew that at the time :p

        --- In TTLUG@yahoogroups.com, "Richard Bailey" <rmjb@...> wrote:
        >
        > The reboot issue is still there. It's easier if you unmount the clients
        > before rebooting the NFS server.
        >
        > On Fri, Jun 6, 2008 at 12:57 PM, Stephen Sankarsingh <stephentnt@...>
        > wrote:
        >
        > > I remember using NFS a long time ago and having problems rebooting a
        > > server because it couldn't unmount an NFS share (I think). I guess
        > > those types of issues have been long fixed since then.
        > >
        > > It would have been awesome to attend this meeting, thanks for taking
        > > the time to answer. I guess this is what happens when one is
        > > forgetful, meh...
        > >
        > > /Stephen (a.k.a. brain like a sieve, attention span of a goldfish)
        > >
        > >
        > > --- In TTLUG@yahoogroups.com <TTLUG%40yahoogroups.com>, "Richard
        Bailey"
        > > <rmjb@> wrote:
        > > >
        > > > You're right, I guess we do use a lot of NFS. Those are some really
        > > > good questions that weren't touched on in the discussion after.
        > > >
        > > > All the servers use the same binaries, they don't have unique
        binaries
        > > > for themselves. However, the oracle home also has oracle
        settings, and
        > > > there are some settings that have to be unique for each server. For
        > > > example, which IP to listen on, what are the IPs of the other oracle
        > > > servers and so on. This information will be different for each
        server
        > > > but they have to reside in the oracle home.
        > > > What we had to do in this case is create directories outside the
        > > > oracle home that held this information. On each server the
        directories
        > > > where in the same place. Then in the shared oracle home we created a
        > > > symlink to the outside location. So when oracle on each server
        looked
        > > > in the standard place for these settings files the files would
        > > > actually be retrieved from the local filesystem.
        > > >
        > > > As to the loss in connectivity, Red Hat's clustering solution
        reboots
        > > > the server if it can't communicate with the cluster. On reboot it
        > > > should rejoin.
        > > >
        > > > Monitoring of this system is done with tools within SAP. SAP has
        made
        > > > their tools RAC aware.
        > > >
        > > > We had some really good discussions after the presentation. It's too
        > > > bad we could not record the audio.
        > > >
        > > >
        > > >
        > > > On 6/6/08, Stephen Sankarsingh <stephentnt@> wrote:
        > > > > Looks awesome, I was right here but forgot to attend.
        > > > > Do all the binaries run on all hosts or is each host dedicated
        to a
        > > > > particular binary? Looks like you use NFS a lot, what happens with
        > > > > that if one of the servers have a connectivity problem? How is
        this
        > > > > monitored?
        > > > >
        > > > > meh, wish i attended...
        > > > >
        > > > > /Stephen
        > > > >
        > > > > --- In TTLUG@yahoogroups.com <TTLUG%40yahoogroups.com>, "Richard
        > > Bailey" <rmjb@> wrote:
        > > > >>
        > > > >> Thanks to all that attended. Here's the presentation for
        anyone that
        > > > > wants
        > > > >> to take a look.
        > > > >>
        > > > >> --
        > > > >> Reporter: What is your opinion on the obesity problem?
        > > > >> King: I prefer it to the famine problem
        > > > >> - Wizard of ID
        > > > >>
        > > > >>
        > > > >> [Non-text portions of this message have been removed]
        > > > >>
        > > > >
        > > > >
        > > > >
        > > >
        > > > --
        > > > Sent from Gmail for mobile | mobile.google.com
        > > >
        > > > Reporter: What is your opinion on the obesity problem?
        > > > King: I prefer it to the famine problem
        > > > - Wizard of ID
        > > >
        > >
        > >
        > >
        >
        >
        >
        > --
        > Reporter: What is your opinion on the obesity problem?
        > King: I prefer it to the famine problem
        > - Wizard of ID
        >
        >
        > [Non-text portions of this message have been removed]
        >
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