[Bug 546293] [NEW] Cannot start more than 29 instances

[Carlos de-Avillez]

Public bug reported:

Using the tamarind-based test rig, and ISO images from cdimage
(20100323.2).

 I tried to run the maximum number of instances on the setup (using
lucid-amd64-topol, 66 sessions) from a idling cloud. All failed.

Looking at the configuration, I found VNET_ADDRSPERNET="32". I then
tried to start 31 instances from a clean system again: all instances are
shown in Pending, then go to Terminated (may take about 10 minutes to
happen).

Waited for the cache to clear, and tried starting 29 instances --
success. Tried adding more, got a message stating "FinishedVerify: Not
enough addresses left in the network subnet assigned to requested group:
default". Interesting that I saw no such message when I tried to start
from idle either 66 or 31 sessions.

Anyway. Closed them via via 'euca-terminate-instances $(euca-describe-
instances | egrep ^INSTANCE| awk '{print $2}')'.

Started 30 sessions from idle: 29 started, one was left in Pending for a
while (then Terminated), no message like above displayed. When I tried
to start one more session, I got the "not enough addresses..." message.

Seems related to bug 462140

** Affects: eucalyptus (Ubuntu)
     Importance: Undecided
         Status: New

** Summary changed:

- Cannot start more than 28 instances
+ Cannot start more than 29 instances

-- 
Cannot start more than 29 instances
https://bugs.launchpad.net/bugs/546293
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