Georgia Advanced Computing Resource Center

Aug 22 outage

"W" means "don't know When this task will be done"

Soon: /etc/motd on pcluster, zcluster

Sometime Tuesday: message to users

2 PM: VM snapshots

3 PM:
  disable logins pcluster
  disable logins zcluster (except for jkissing, students)

  kick users off pcluster
  kick users off zcluster?

  drain all nodes or queues, pcluster
  disable all queues except somedevq, zcluster

  kill all jobs pcluster
  kill all jobs zcluster

  do GE jobs testing MPI and storage I/O throughput

  stop execd on all nodes, zcluster

	      W: shut down racks 8,9,10,11

4 PM:
 shut down VMs (but must have place to do storage shutdowns from)

	       W: shut down 3070s
	       W: shut down Panasas
              W: enable Panasas jumbo frames
              W: VMware updates
	       W: connect ESX IPMI cat5
	       W: "final rsyncs" of /db, /usr/local
              W: Curtis reconfig storage unit NICs/LAGs
              W: PanFS 16K blksize on remaining nodes and zcluster.rcc

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by 5PM: we tell NEG "go ahead"


probably between 9 and 12PM, NEG at work.

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****  AFTER ******

power up 3070s
power up Panasas
power up ESX servers and VMs

power up racks 8,9,10,11

switch and test /db, /usr/local mounts on the zcluster

do GE jobs testing MPI and storage I/O throughput

   W: GE upgrade
   W: yum updates of nodes
   W: yum update of zhead
   W: update FW on Dells
   W: move some rack15 nodes to rack 16?
   W: reinstall rack11?
   W: thumper upgrades
   W: rccstor upgrades 
   W: panasas OS upgrade

switch and test NFS mounts on pcluster

   W: upgrade PGI compiler

reenable queues on zcluster
resume queues on pcluster

enable logins pcluster
enable logins zcluster