Difference between revisions of "Bright:Node image management"

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(Created page with "Node images are all stored in: <syntaxhighlight> chroot /cm/images/xxx </syntaxhighlight> == Edit the list of files not to be synchronised == <syntaxhighlight> cmsh -c "category use default; set exclude...")
 
 
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<syntaxhighlight>
 
<syntaxhighlight>
 
   cmsh -c "category use default; set excludelistupdate; commit"
 
   cmsh -c "category use default; set excludelistupdate; commit"
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</syntaxhighlight>
 +
 +
== Update the Provisioning Nodes ==
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* Only applicable with multiple head nodes
 +
<syntaxhighlight>
 +
[root@head1 OpenFOAM]# cmsh
 +
[head1]% softwareimage updateprovisioners
 +
Provisioning nodes will be updated in the background.
 +
[head1]%
 +
Tue May  6 12:47:03 2014 [notice] head1: Provisioning started: sending head1:/cm/images/default-image to head2:/cm/images/default-image
 
</syntaxhighlight>
 
</syntaxhighlight>
  
Line 26: Line 36:
 
Thu Jan 16 16:42:45 2014 [notice] head-boston: Provisioning completed: sent head-boston:/cm/images/GPU-image to gpu2:/, mode UPDATE, dry run = no
 
Thu Jan 16 16:42:45 2014 [notice] head-boston: Provisioning completed: sent head-boston:/cm/images/GPU-image to gpu2:/, mode UPDATE, dry run = no
 
imageupdate -n gpu2 -w [ COMPLETED ]
 
imageupdate -n gpu2 -w [ COMPLETED ]
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</syntaxhighlight>
 +
 +
== Sync the whole cluster ==
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<syntaxhighlight>
 +
  imageupdate -n gpuNode01..gpuNode16 -w
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</syntaxhighlight>
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== Prevent Nodes from Updating on reboot ==
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* Set the install mode to 'NOSYNC'
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<syntaxhighlight>
 +
[root@head-Boston ~]# cmsh
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[head-Boston]% device
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[head-Boston->device]% use hft1
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[head-Boston->device[hft1]]% show | grep -i install
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Install boot record                    no                                             
 +
Install mode                            NOSYNC                                         
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Next install mode                      NOSYNC                                         
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[head-Boston->device[hft1]]% set installmode
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        auto    full    main    nosync 
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[head-Boston->device[hft1]]% set installmode nosync
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[head-Boston->device*[hft1*]]% commit
 +
[head-Boston->device[hft1]]%
 
</syntaxhighlight>
 
</syntaxhighlight>

Latest revision as of 15:06, 16 February 2015

Node images are all stored in: 

  chroot /cm/images/xxx

Edit the list of files not to be synchronised

  cmsh -c "category use default; set excludelistupdate; commit"

Update the Provisioning Nodes

  • Only applicable with multiple head nodes
[root@head1 OpenFOAM]# cmsh
[head1]% softwareimage updateprovisioners
Provisioning nodes will be updated in the background.
[head1]% 
Tue May  6 12:47:03 2014 [notice] head1: Provisioning started: sending head1:/cm/images/default-image to head2:/cm/images/default-image

Sync an image without rebooting

[root@head-boston GPU-image]# cmsh
[head-boston]% device
[head-boston->device]% imageupdate -n gpu2 
Performing dry run (use synclog command to review result, then pass -w to perform real update)...
[head-boston->device]% 
Thu Jan 16 16:42:35 2014 [notice] head-boston: Provisioning started: sending head-boston:/cm/images/GPU-image to gpu2:/, mode UPDATE, dry run = yes, no data changes!
Thu Jan 16 16:42:40 2014 [notice] head-boston: Provisioning completed: sent head-boston:/cm/images/GPU-image to gpu2:/, mode UPDATE, dry run = yes, no data changes!
imageupdate -n gpu2 [ COMPLETED ]
[head-boston->device]% imageupdate -n gpu2 -w 
[head-boston->device]% 
Thu Jan 16 16:42:40 2014 [notice] head-boston: Provisioning started: sending head-boston:/cm/images/GPU-image to gpu2:/, mode UPDATE, dry run = no
[head-boston->device]% 
Thu Jan 16 16:42:45 2014 [notice] head-boston: Provisioning completed: sent head-boston:/cm/images/GPU-image to gpu2:/, mode UPDATE, dry run = no
imageupdate -n gpu2 -w [ COMPLETED ]

Sync the whole cluster

  imageupdate -n gpuNode01..gpuNode16 -w

Prevent Nodes from Updating on reboot

  • Set the install mode to 'NOSYNC'
[root@head-Boston ~]# cmsh 
[head-Boston]% device
[head-Boston->device]% use hft1
[head-Boston->device[hft1]]% show | grep -i install 
Install boot record                     no                                               
Install mode                            NOSYNC                                           
Next install mode                       NOSYNC                                           
[head-Boston->device[hft1]]% set installmode 
        auto    full    main    nosync  
[head-Boston->device[hft1]]% set installmode nosync
[head-Boston->device*[hft1*]]% commit
[head-Boston->device[hft1]]%
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