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Ticket Resolution Summary Owner Reporter
#32 fixed Track 100 VM scenario findings somebody lnevers@bbn.com
Description

This ticket is being written to capture the findings for the planned IG-EXP-3 InstaGENI Single Site 100 VM Test. All issues captured are known and require no action at this time.

These are the 100 VM scenarios planned for testing:

Scenario 1: 1 Slice with 100 VMs Scenario 2: 2 Slices with 50 VMs each Scenario 3: 4 Slices with 25 VMS each Scenario 4: 50 Slices with 2 VMs each Scenario 5: 100 Slices with 1 VM each Scenario 6: 10 slices with 10 VM each (note 1)

(note 1) This scenario was not in the original test plan, but it is being added based on input from Leigh Stroller.

=> Scenario 1: 1 Slice with 100 VMs in a grid topology

Results: FAILED due to: 

 100 nodes of type pcvm requested, but only 50 available nodes of type pcvm found

=> Scenario 2: 2 Slices with 50 VMs each, each sliver uses grid topology

Results: FAILED

Two test runs were completed. 1st try:

  • Created first 50 node experiment, no error reported.
  • Sliver status reported "resource is busy; try again later" for about 5 minutes,
  • then sliverstatus reported error: 
    Failed to get SliverStatus on 2exp-50vm at AM https://boss.utah.geniracks.net/protogeni/xmlrpc/am/2.0: 
<Fault -32600: 'Internal Error executing SliverStatus'>

Results 2nd test run:

  1. Creatsliver first 50 node sliver which completes without error
  2. Sliver status is busy approximately 5 minutes reporting "resource is busy; try again later"
  3. Slivestatus eventually fails with "<Fault -32400: 'XMLRPC Server Error'>"

Additional tests results will also be captured as completed.

#33 fixed Failure to allocate resource while attempting to create sliver somebody lnevers@bbn.com
Description

Background: Listresources showed large number of pcvm slot counts available before the test:

  • pc5 had 97 slots
  • pc3 had 100 slots

Test sequence:

  1. Created 1 sliver named 25vmslice1 with 25 VMs without problems, with the following allocation: 10 VM on pc5, 10 VM on pc3 and 5 VMs on pc4.
  1. Created a second sliver named 25vmslice2 with 25 VMs which caused the following error: 
Result Summary: Slice urn:publicid:IDN+pgeni.gpolab.bbn.com+slice+25vmslice2 expires on 2012-05-26 14:05:32 UTC
Asked https://boss.utah.geniracks.net/protogeni/xmlrpc/am/2.0 to reserve resources. No manifest Rspec returned. *** ERROR: mapper: Reached run limit. Giving up.
seed = 1338050345
Physical Graph: 6
Calculating shortest paths on switch fabric.
Virtual Graph: 25
Generating physical equivalence classes:6
Type precheck:
Type precheck passed.
Node mapping precheck:
Node mapping precheck succeeded
Policy precheck:
Policy precheck succeeded
Annealing.
Doing melting run
Reverting: forced
Reverting to best solution
Done
   BEST SCORE:  18.71 in 49000 iters and 0.307011 seconds
With 1 violations
Iters to find best score:  48288
Violations: 1
  unassigned:  0
  pnode_load:  0
  no_connect:  0
  link_users:  0
  bandwidth:   1
  desires:     0
  vclass:      0
  delay:       0
  trivial mix: 0
  subnodes:    0
  max_types:   0
  endpoints:   0
Nodes:
VM pc5
VM-0 pc5
VM-1 pc1
VM-10 pc5
VM-11 pc2
VM-12 pc1
VM-13 pc2
VM-14 pc3
VM-15 pc3
VM-16 pc3
VM-19 pc2
VM-2 pc1
VM-20 pc5
VM-21 pc5
VM-22 pc1
VM-23 pc2
VM-24 pc3
VM-26 pc3
VM-27 pc3
VM-3 pc2
VM-4 pc5
VM-5 pc3
VM-6 pc3
VM-7 pc3
VM-9 pc5
End Nodes
Edges:
linksimple/lan0/VM:0,VM-0:0 trivial pc5:loopback (pc5/null,(null)) pc5:loopback (pc5/null,(null)) 
linksimple/lan1/VM-0:1,VM-1:0 intraswitch link-pc5:eth2-procurve2:(null) (pc5/eth2,(null)) link-pc1:eth1-procurve2:(null) (pc1/eth1,(null))
linksimple/lan2/VM-1:1,VM-2:0 trivial pc1:loopback (pc1/null,(null)) pc1:loopback (pc1/null,(null)) 
linksimple/lan24/VM-9:0,VM-20:0 trivial pc5:loopback (pc5/null,(null)) pc5:loopback (pc5/null,(null)) 
linksimple/lan25/VM:1,VM-9:1 trivial pc5:loopback (pc5/null,(null)) pc5:loopback (pc5/null,(null)) 
linksimple/lan26/VM-9:2,VM-10:0 trivial pc5:loopback (pc5/null,(null)) pc5:loopback (pc5/null,(null)) 
linksimple/lan27/VM-10:1,VM-11:0 intraswitch link-pc5:eth2-procurve2:(null) (pc5/eth2,(null)) link-pc2:eth1-procurve2:(null) (pc2/eth1,(null))
linksimple/lan28/VM-11:1,VM-12:0 intraswitch link-pc2:eth1-procurve2:(null) (pc2/eth1,(null)) link-pc1:eth1-procurve2:(null) (pc1/eth1,(null))
linksimple/lan29/VM-12:1,VM-13:0 intraswitch link-pc1:eth1-procurve2:(null) (pc1/eth1,(null)) link-pc2:eth1-procurve2:(null) (pc2/eth1,(null))
linksimple/lan3/VM-2:1,VM-3:0 intraswitch link-pc1:eth1-procurve2:(null) (pc1/eth1,(null)) link-pc2:eth1-procurve2:(null) (pc2/eth1,(null))
linksimple/lan30/VM-13:1,VM-14:0 intraswitch link-pc2:eth1-procurve2:(null) (pc2/eth1,(null)) link-pc3:eth2-procurve2:(null) (pc3/eth2,(null))
linksimple/lan31/VM-14:1,VM-15:0 trivial pc3:loopback (pc3/null,(null)) pc3:loopback (pc3/null,(null)) 
linksimple/lan32/VM-15:1,VM-16:0 trivial pc3:loopback (pc3/null,(null)) pc3:loopback (pc3/null,(null)) 
linksimple/lan4/VM-3:1,VM-4:0 intraswitch link-pc2:eth1-procurve2:(null) (pc2/eth1,(null)) link-pc5:eth2-procurve2:(null) (pc5/eth2,(null))
linksimple/lan5/VM-4:1,VM-5:0 intraswitch link-pc5:eth2-procurve2:(null) (pc5/eth2,(null)) link-pc3:eth2-procurve2:(null) (pc3/eth2,(null))
linksimple/lan54/VM-16:1,VM-26:0 trivial pc3:loopback (pc3/null,(null)) pc3:loopback (pc3/null,(null)) 
linksimple/lan55/VM-27:1,VM-26:1 trivial pc3:loopback (pc3/null,(null)) pc3:loopback (pc3/null,(null)) 
linksimple/lan58/VM-24:0,VM-27:0 trivial pc3:loopback (pc3/null,(null)) pc3:loopback (pc3/null,(null)) 
linksimple/lan59/VM-23:0,VM-24:1 intraswitch link-pc2:eth1-procurve2:(null) (pc2/eth1,(null)) link-pc3:eth2-procurve2:(null) (pc3/eth2,(null))
linksimple/lan6/VM-5:1,VM-6:0 trivial pc3:loopback (pc3/null,(null)) pc3:loopback (pc3/null,(null)) 
linksimple/lan65/VM-20:1,VM-21:0 trivial pc5:loopback (pc5/null,(null)) pc5:loopback (pc5/null,(null)) 
linksimple/lan66/VM-21:1,VM-19:0 intraswitch link-pc5:eth2-procurve2:(null) (pc5/eth2,(null)) link-pc2:eth1-procurve2:(null) (pc2/eth1,(null))
linksimple/lan67/VM-19:1,VM-22:0 intraswitch link-pc2:eth1-procurve2:(null) (pc2/eth1,(null)) link-pc1:eth1-procurve2:(null) (pc1/eth1,(null))
linksimple/lan68/VM-22:1,VM-23:1 intraswitch link-pc1:eth1-procurve2:(null) (pc1/eth1,(null)) link-pc2:eth1-procurve2:(null) (pc2/eth1,(null))
linksimple/lan7/VM-6:1,VM-7:0 trivial pc3:loopback (pc3/null,(null)) pc3:loopback (pc3/null,(null)) 
linksimple/lan72/VM-6:2,VM-16:2 trivial pc3:loopback (pc3/null,(null)) pc3:loopback (pc3/null,(null)) 
linksimple/lan73/VM-5:2,VM-15:2 trivial pc3:loopback (pc3/null,(null)) pc3:loopback (pc3/null,(null)) 
linksimple/lan74/VM-4:2,VM-14:2 intraswitch link-pc5:eth2-procurve2:(null) (pc5/eth2,(null)) link-pc3:eth2-procurve2:(null) (pc3/eth2,(null))
linksimple/lan75/VM-3:2,VM-13:2 trivial pc2:loopback (pc2/null,(null)) pc2:loopback (pc2/null,(null)) 
linksimple/lan76/VM-2:2,VM-12:2 trivial pc1:loopback (pc1/null,(null)) pc1:loopback (pc1/null,(null)) 
linksimple/lan77/VM-1:2,VM-11:2 intraswitch link-pc1:eth1-procurve2:(null) (pc1/eth1,(null)) link-pc2:eth3-procurve2:(null) (pc2/eth3,(null))
linksimple/lan78/VM-0:2,VM-10:2 trivial pc5:loopback (pc5/null,(null)) pc5:loopback (pc5/null,(null)) 
linksimple/lan79/VM-10:3,VM-21:2 trivial pc5:loopback (pc5/null,(null)) pc5:loopback (pc5/null,(null)) 
linksimple/lan80/VM-11:3,VM-19:2 trivial pc2:loopback (pc2/null,(null)) pc2:loopback (pc2/null,(null)) 
linksimple/lan81/VM-12:3,VM-22:2 trivial pc1:loopback (pc1/null,(null)) pc1:loopback (pc1/null,(null)) 
linksimple/lan82/VM-13:3,VM-23:2 trivial pc2:loopback (pc2/null,(null)) pc2:loopback (pc2/null,(null)) 
linksimple/lan83/VM-14:3,VM-24:2 trivial pc3:loopback (pc3/null,(null)) pc3:loopback (pc3/null,(null)) 
linksimple/lan84/VM-15:3,VM-27:2 trivial pc3:loopback (pc3/null,(null)) pc3:loopback (pc3/null,(null)) 
End Edges
End solution
Summary:
procurve2 0 vnodes, 2800000 nontrivial BW, 0 trivial BW, type=(null)
pc3 9 vnodes, 400000 nontrivial BW, 1100000 trivial BW, type=pcvm
    400000 link-pc3:eth2-procurve2:(null)
pc5 7 vnodes, 600000 nontrivial BW, 700000 trivial BW, type=pcvm
    600000 link-pc5:eth2-procurve2:(null)
pc1 4 vnodes, 700000 nontrivial BW, 300000 trivial BW, type=pcvm
    700000 link-pc1:eth1-procurve2:(null)
    ?+virtpercent: used=0 total=100
    ?+cpu: used=0 total=2666
    ?+ram: used=0 total=3574
    ?+cpupercent: used=0 total=92
    ?+rampercent: used=0 total=80
pc2 5 vnodes, 1100000 nontrivial BW, 300000 trivial BW, type=pcvm
    1000000 link-pc2:eth1-procurve2:(null)
    100000 link-pc2:eth3-procurve2:(null)
    ?+virtpercent: used=0 total=100
    ?+cpu: used=0 total=2666
    ?+ram: used=0 total=3574
    ?+cpupercent: used=0 total=92
    ?+rampercent: used=0 total=80
Total physical nodes used: 4
End summary
ASSIGN FAILED:
Type precheck passed.
Node mapping precheck succeeded
Policy precheck succeeded
Annealing.
Doing melting run
Reverting: forced
Reverting to best solution
Done
   BEST SCORE:  18.71 in 49000 iters and 0.307011 seconds
  unassigned:  0
  pnode_load:  0
  no_connect:  0
  link_users:  0
  bandwidth:   1
  desires:     0
  vclass:      0
  delay:       0
  trivial mix: 0
  subnodes:    0
  max_types:   0
  endpoints:   0
#34 fixed lost ssh access while running the two user two experiment scenario IG-EXP-2 somebody lnevers@bbn.com
Description

While executing IG-EXP-2 an experiment that has two concurrent slivers by two different users, lost ssh access to the nodes for one of the experiments.

Sequence of events that lead to the problem:

As user ​lnevers@bbn.com executed the following:

  1. Create slice named "2vm"
  2. Created sliver with 2 OpenVZ nodes using default image.
  3. Logged into each of the assigned hosts, both on pc5, port 30011 and port 30010.
  4. Ran some commands and left a ping running while executing 5,6, and 7 below.

As user ​lnever1@bbn.com executed the following:

  1. Created a slice "lnubuntu12b"
  2. Created a sliver with 2 ubuntu 12 custom images
  3. Logged into each of the assigned hosts (pc1 and pc4) and ran some command

As user ​lnevers@bbn.com executed the following:

  1. Exited the two ssh sessions from 3 above, to log back in and verify that key were still in place.
  2. Tried to ssh back in, but connection is refused by the assigned hosts pc5, port 30011 and port 30010. 
    lnevers@arendia:~$ ssh pc5.utah.geniracks.net -p 30010
ssh: connect to host pc5.utah.geniracks.net port 30010: Connection refused
lnevers@arendia:~$ ssh pc5.utah.geniracks.net -p 30011
ssh: connect to host pc5.utah.geniracks.net port 30011: Connection refused

The user ​lnevers@bbn.com can no longer login into the active sliver nodes. Have the ​lnevers@bbn.com keys been overwritten?

Both experiment are left running.

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