1. We noticed, it will be fixed in 2.7.1, that was pretty glaring and we
should've caught that...

2.  I'll try to look into it in our end...


From:   Arif Ali <[email protected]>
To:     [email protected],
Date:   04/19/2012 05:46 PM
Subject:        Re: [xcat-user] IBM M4 nodes



Hi Jarrod,

Thanks for your comments,


      You know, we don't *need* Legacy only in xCAT 2.7 anymore for RHEL6,
      SLES11, Win2k8, and ESXi5. Older versions of each would need Legacy
      only though.


That was my suggestion there in the first comment, and in-fact you don't
need it, and I only realised it later in the day when I couldn't get nodes
discovered in the legacy modes, and was able to via the uEFI method. I was
very impressed. (I solved my problem in the end though ("spanning-tree
edge" on switches))


      Other than that, looks reasonable enough. The performance and
      efficiency impact of the settings vary by workload of course, so the
      'your mileage may vary' is very true.


I only mimicked the config that was already in the templates, so that is
what I put up.


      The exception would be HS23 servers. There you'd also want to put
      Legacy serial data out COM2 instead of COM1. For all the
      rackmount/iDataplex and Flex servers, COM1 default is good.


Cool, no problem; I was going to commit this, and symbolic link to the MT
of the new dx360 M4, not sure if it would be useful to add it into the
templates

On another 2 other notes,

1.

I did find an issue with genesis with compression with lzma. when doing
mknb x86_64, it was creating the image correctly, but the corresponding
files in /tftpboot/xcat/xnba/nets, still had the .gz extension of the
genesis.fs, rather than lzma. I will be debugging this further tomorrow,
and see if I can generate a patch to fix this.

2.

When there is no mac address allocated in the mac table for a node, and you
ask to do an operation such as nodeset which includes other nodes as well,
it will not allow you to install the other nodes, and fail due the specific
node not having a mac address. i.e. if I have node001-node050, and for some
reason was not able to discover node037, but I wanted to install all the
nodes. When doing so in the fashion "nodeset node001-node050", this will
end up failing. I don't remember being the case previously. I will get more
info on this if required



      Inactive hide details for Arif Ali ---04/19/2012 02:54:36
      PM---All, For anyone installing M4 nodes, below is the
      corresponding Arif Ali ---04/19/2012 02:54:36 PM---All, For anyone
      installing M4 nodes, below is the corresponding ASU

      From: Arif Ali <[email protected]>
      To: "Mailing list, xCAT" <[email protected]>,
      Date: 04/19/2012 02:54 PM
      Subject: [xcat-user] IBM M4 nodes





      All,

      For anyone installing M4 nodes, below is the corresponding ASU
      settings that I have used that are similar to the hpc/sol settings
      in
      /opt/xcat/share/templates. It could be that we no longer require the
      BootOrder definition, as the uEFI PXE boot should now work. This has
      worked for me, any ideas from anyone that would go a bit further in
      terms of configuration.

      loaddefault uEFI
      loaddefault BootOrder
      set BootOrder.BootOrder "Legacy Only=PXE Network=Hard Disk 0"
      set Processors.Hyper-Threading Disable
      set DevicesandIOPorts.RemoteConsole Enable
      set DevicesandIOPorts.SerialPortSharing Enable
      set DevicesandIOPorts.SerialPortAccessMode Dedicated
      set DevicesandIOPorts.Com1TerminalEmulation VT100
      set DevicesandIOPorts.Com1ActiveAfterBoot Enable
      set DevicesandIOPorts.Com1FlowControl Hardware
      set OperatingModes.ChooseOperatingMode "Custom Mode"
      set Processors.C1EnhancedMode "Disable"
      set Processors.TurboMode "Enable"
      set Processors.PackageACPIC-StateLimit "ACPI C3"
      set Processors.QPILinkFrequency "Max Performance"

      regards,
      --
      Arif Ali

      catch me on freenode IRC, username: arif-ali

      
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