Mirantis Container Cloud (MCC) becomes part of Mirantis OpenStack for Kubernetes (MOSK)!
Starting with MOSK 25.2, the MOSK documentation set covers all product layers, including MOSK management (formerly MCC). This means everything you need is in one place. The separate MCC documentation site will be retired, so please update your bookmarks for continued easy access to the latest content.
Verify rook-discover¶
Warning
This procedure is valid for MOSK clusters that use the MiraCeph custom
resource (CR), which is available since MOSK 25.2 to replace the deprecated
KaaSCephCluster. For the equivalent procedure with the KaaSCephCluster
CR, refer to the following section:
To ensure that rook-discover is running properly, verify if the
local-device configmap has been created for each Ceph node specified
in the cluster configuration:
Obtain the list of local devices:
kubectl get configmap -n rook-ceph | grep local-device
Example of a system response:
local-device-01 1 30m local-device-02 1 29m local-device-03 1 30m
Verify that each device from the list contains information about available devices for the Ceph node deployment:
kubectl describe configmap local-device-01 -n rook-ceph
Example of a positive system response:
Name: local-device-01 Namespace: rook-ceph Labels: app=rook-discover rook.io/node=01 Annotations: <none> Data ==== devices: ---- [{"name":"vdd","parent":"","hasChildren":false,"devLinks":"/dev/disk/by-id/virtio-41d72dac-c0ff-4f24-b /dev/disk/by-path/virtio-pci-0000:00:09.0","size":32212254720,"uuid":"27e9cf64-85f4-48e7-8862-faa7270202ed","serial":"41d72dac-c0ff-4f24-b","type":"disk","rotational":true,"readOnly":false,"Partitions":null,"filesystem":"","vendor":"","model":"","wwn":"","wwnVendorExtension":"","empty":true,"cephVolumeData":"{\"path\":\"/dev/vdd\",\"available\":true,\"rejected_reasons\":[],\"sys_api\":{\"size\":32212254720.0,\"scheduler_mode\":\"none\",\"rotational\":\"1\",\"vendor\":\"0x1af4\",\"human_readable_size\":\"30.00 GB\",\"sectors\":0,\"sas_device_handle\":\"\",\"rev\":\"\",\"sas_address\":\"\",\"locked\":0,\"sectorsize\":\"512\",\"removable\":\"0\",\"path\":\"/dev/vdd\",\"support_discard\":\"0\",\"model\":\"\",\"ro\":\"0\",\"nr_requests\":\"128\",\"partitions\":{}},\"lvs\":[]}","label":""},{"name":"vdb","parent":"","hasChildren":false,"devLinks":"/dev/disk/by-path/virtio-pci-0000:00:07.0","size":67108864,"uuid":"988692e5-94ac-4c9a-bc48-7b057dd94fa4","serial":"","type":"disk","rotational":true,"readOnly":false,"Partitions":null,"filesystem":"","vendor":"","model":"","wwn":"","wwnVendorExtension":"","empty":true,"cephVolumeData":"{\"path\":\"/dev/vdb\",\"available\":false,\"rejected_reasons\":[\"Insufficient space (\\u003c5GB)\"],\"sys_api\":{\"size\":67108864.0,\"scheduler_mode\":\"none\",\"rotational\":\"1\",\"vendor\":\"0x1af4\",\"human_readable_size\":\"64.00 MB\",\"sectors\":0,\"sas_device_handle\":\"\",\"rev\":\"\",\"sas_address\":\"\",\"locked\":0,\"sectorsize\":\"512\",\"removable\":\"0\",\"path\":\"/dev/vdb\",\"support_discard\":\"0\",\"model\":\"\",\"ro\":\"0\",\"nr_requests\":\"128\",\"partitions\":{}},\"lvs\":[]}","label":""},{"name":"vdc","parent":"","hasChildren":false,"devLinks":"/dev/disk/by-id/virtio-e8fdba13-e24b-41f0-9 /dev/disk/by-path/virtio-pci-0000:00:08.0","size":32212254720,"uuid":"190a50e7-bc79-43a9-a6e6-81b173cd2e0c","serial":"e8fdba13-e24b-41f0-9","type":"disk","rotational":true,"readOnly":false,"Partitions":null,"filesystem":"","vendor":"","model":"","wwn":"","wwnVendorExtension":"","empty":true,"cephVolumeData":"{\"path\":\"/dev/vdc\",\"available\":true,\"rejected_reasons\":[],\"sys_api\":{\"size\":32212254720.0,\"scheduler_mode\":\"none\",\"rotational\":\"1\",\"vendor\":\"0x1af4\",\"human_readable_size\":\"30.00 GB\",\"sectors\":0,\"sas_device_handle\":\"\",\"rev\":\"\",\"sas_address\":\"\",\"locked\":0,\"sectorsize\":\"512\",\"removable\":\"0\",\"path\":\"/dev/vdc\",\"support_discard\":\"0\",\"model\":\"\",\"ro\":\"0\",\"nr_requests\":\"128\",\"partitions\":{}},\"lvs\":[]}","label":""}]