akhilerm

Keybase proof

I hereby claim:

• I am akhilerm on github.
• I am akhilerm (https://keybase.io/akhilerm) on keybase.
• I have a public key ASBCqlRqDCbrGLEQ6vIHi7fnMwjTKd0E-e-jmGu8f0ZbAwo

To claim this, I am signing this object:

akhilerm

apiVersion: extensions/v1beta1
kind: PodSecurityPolicy
metadata:
  name: openebs-privileged
  annotations:
    seccomp.security.alpha.kubernetes.io/allowedProfileNames: '*'
spec:
  privileged: true
  allowPrivilegeEscalation: true
  allowedCapabilities:

akhilerm

# Define Role that allows operations on K8s pods/deployments
kind: ClusterRole
apiVersion: rbac.authorization.k8s.io/v1beta1
metadata:
  name: openebs-maya-operator
rules:
- apiGroups: ["*"]
  resources: ["nodes", "nodes/proxy"]
  verbs: ["*"]
- apiGroups: ["*"]

akhilerm

apiVersion: openebs.io/v1alpha1
kind: StoragePoolClaim
metadata:
  name: cstor-pool1
  annotations:
    cas.openebs.io/config: |
      - name: PoolResourceRequests
        value: |-
            memory: 1Gi
      - name: PoolResourceLimits

akhilerm

// gets the uuid of the provided disk
func getUid(device *udev.UdevDevice) string {
	uid := device.GetPropertyValue(udev.UDEV_WWN) +
		device.GetPropertyValue(udev.UDEV_MODEL) +
		device.GetPropertyValue(udev.UDEV_SERIAL) +
		device.GetPropertyValue(udev.UDEV_VENDOR)


	idtype := device.GetPropertyValue(udev.UDEV_TYPE)

akhilerm

Enabling Disk UUID in VMware via vSphere Client

1. Right-click the virtual machine for which you want to enable the disk UUID attribute, and select Power > Power Off. Wait for the virtual machine to power off
2. Right-click the virtual machine, and click Edit Settings.
3. Click the Options tab, and select the General entry in the settings column.
4. Click Configuration Parameters. The Configuration Parameters window appears.
5. Click Add Row.
6. In the Name column, enter disk.EnableUUID.
7. In the Value column, enter TRUE.

akhilerm

Enabling disk UUID in proxmox VMs

The configuration file for each VM has to be edited, so that the disk comes with a unique serial number

1. vi /etc/pve/qemu-server/<VMID>.conf
2. Add a unique serial number to the disk

scsi1: images:<disk image>,cache=writeback,discard=on,size=120G,ssd=1,serial=5fb20ba17c2f

3. Restart the VM qm shutdown <VMID> && qm start <VMID>

akhilerm

apiVersion: openebs.io/v1alpha1
kind: BlockDevice
metadata:
  name: example-blockdevice
  labels:
    kubernetes.io/hostname: <host name of the node in which disk/blockdevice is attached> # like gke-openebs-user-default-pool-044afcb8-bmc0
    ndm.io/managed: "false" # for manual disk creation put false
    ndm.io/blockdevice-type: blockdevice
status:
  claimState: Unclaimed

akhilerm

Flowchart for local pv upgrade
NOTE: Does not support upgrade of localPV rawblock


For Cstor, the same flowchart as below applies, but instead of using FSUUID annotation, partition table UUID
annotation will be used.

akhilerm

#Create namespace
apiVersion: v1
kind: Namespace
metadata:
  name: minio
---
apiVersion: apps/v1
kind: Deployment
metadata:
  # This name uniquely identifies the Deployment