Hi,
According to the help text, “—min-count <number>” boot at least <number>
servers (limited by quota):
--min-count <number> Boot at least <number> servers (limited by
quota).
I used devstack to deploy OpenStack (version Kilo) in a multi-node setup:
1 Controller/Network + 2 Compute nodes
I update the tenant demo default quota “instances" and “cores" from ’10’ and
’20’ to ‘100’ and ‘200’:
localadmin@qa4:~/devstack$ nova quota-show --tenant
62fe9a8a2d58407d8aee860095f11550 --user eacb7822ccf545eab9398b332829b476
+-----------------------------+-------+
| Quota | Limit |
+-----------------------------+-------+
| instances | 100 | <<<<<
| cores | 200 | <<<<<
| ram | 51200 |
| floating_ips | 10 |
| fixed_ips | -1 |
| metadata_items | 128 |
| injected_files | 5 |
| injected_file_content_bytes | 10240 |
| injected_file_path_bytes | 255 |
| key_pairs | 100 |
| security_groups | 10 |
| security_group_rules | 20 |
| server_groups | 10 |
| server_group_members | 10 |
+-----------------------------+-------+
When I boot 50 VMs using “—min-count 50”, only 48 VMs come up.
localadmin@qa4:~/devstack$ nova boot --image cirros-0.3.2-x86_64-uec --flavor 1
--nic net-id=5b464333-bad0-4fc1-a2f0-310c47b77a17 --min-count 50 vm-
There is no error in logs; and it happens consistently.
I also tried “—min-count 60” and only 48 VMs com up.
In Horizon, left pane “Admin” -> “System” -> “Hypervisors”, it shows both
Compute hosts, each with 32 total VCPUs for a grand total of 64, but only 48
used.
Is this normal behavior or is there any other setting to change in order to use
all 64 VCPUs?
Thanks,
Danny
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