[nova][scheduler] DiskFilter return 0 when launching pre-allocated disk volume
Alan Davis
alan.davis at apogee-research.com
Mon Mar 21 19:31:43 UTC 2022
All,
I'm having a problem with launching a volume that already exists. I'm not
finding any indication why DiskFilter is saying there's not enough disk
space available.
This is not a new system, it's been in use for over a year and has more
than 20 VM's running on it already. Creating a volume (either from image or
from install iso) is my normal way of creating instances, so this isn't
anything I haven't done many times.
Any ideas on why or what debugging steps I can take would be appreciated.
Here's the error from nova-scheduler.log
2022-03-21 15:20:22.021 16602 INFO nova.filters
[req-f8909a62-723d-4128-9e68-2fe445fa861d a676762eea994d08a7ce018c3ccbb0b8
1ab386267c2b4c969d551ea763c906dc - default default] Filtering removed all
hosts for the request with instance ID
'59dfe21d-c527-4fd7-ad50-39c144af93fc'. Filter results: ['RetryFilter:
(start: 1, end: 1)', 'AvailabilityZoneFilter: (start: 1, end: 1)',
'RamFilter: (start: 1, end: 1)', 'DiskFilter: (start: 1, end: 0)']
vgs (yes, i know... LVM) shows plenty of space, as well
VG #PV #LV #SN Attr VSize VFree
centos_stack2 1 3 0 wz--n- 74.00g 0
cinder-volumes 1 51 1 wz--n- <9.10t <3.64t
openstack says:
+--------------------------------+---------------------------------------+
| Field | Value |
+--------------------------------+---------------------------------------+
| attachments | [] |
| availability_zone | nova |
| bootable | true |
| consistencygroup_id | None |
| created_at | 2022-03-21T15:44:44.000000 |
| description | root disk for rh8.3 vm |
| encrypted | False |
| id | 3a2aab97-d49d-431c-824d-5fbdcac40fa3 |
| migration_status | None |
| multiattach | False |
| name | rhel83-str-root |
| os-vol-host-attr:host | stack2.xxxx at lvm#lvm |
| os-vol-mig-status-attr:migstat | None |
| os-vol-mig-status-attr:name_id | None |
| os-vol-tenant-attr:tenant_id | 1ab386267c2b4c969d551ea763c906dc |
| properties | |
| replication_status | None |
| size | 80 |
| snapshot_id | None |
| source_volid | None |
| status | reserved |
| type | iscsi |
| updated_at | 2022-03-21T19:20:20.000000 |
| user_id | a676762eea994d08a7ce018c3ccbb0b8 |
+--------------------------------+---------------------------------------+
--
Alan Davis
Principal System Administrator
Apogee Research LLC
Office : 571.384.8941 x26
Cell : 410.701.0518
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