diff --git a/pkg/harvester/config/feature-flags.js b/pkg/harvester/config/feature-flags.js
index e20a987a..c5a1fb27 100644
--- a/pkg/harvester/config/feature-flags.js
+++ b/pkg/harvester/config/feature-flags.js
@@ -72,7 +72,8 @@ const FEATURE_FLAGS = {
'v1.9.0': [
'supportFilesystem',
'disableResourcePooling',
- 'expandOnlineEncryptedVolume'
+ 'expandOnlineEncryptedVolume',
+ 'longhornV2HugepageSettings'
],
};
diff --git a/pkg/harvester/config/settings.ts b/pkg/harvester/config/settings.ts
index 3d34f29a..7539c472 100644
--- a/pkg/harvester/config/settings.ts
+++ b/pkg/harvester/config/settings.ts
@@ -1,48 +1,50 @@
export const HCI_SETTING = {
- BACKUP_TARGET: 'backup-target',
- CONTAINERD_REGISTRY: 'containerd-registry',
- LOG_LEVEL: 'log-level',
- SERVER_VERSION: 'server-version',
- UI_INDEX: 'ui-index',
- UPGRADE_CHECKER_ENABLED: 'upgrade-checker-enabled',
- UPGRADE_CHECKER_URL: 'upgrade-checker-url',
- VLAN: 'vlan',
- UI_SOURCE: 'ui-source',
- UI_PL: 'ui-pl',
- HTTP_PROXY: 'http-proxy',
- ADDITIONAL_CA: 'additional-ca',
- OVERCOMMIT_CONFIG: 'overcommit-config',
- CLUSTER_REGISTRATION_URL: 'cluster-registration-url',
- DEFAULT_STORAGE_CLASS: 'default-storage-class',
- SUPPORT_BUNDLE_TIMEOUT: 'support-bundle-timeout',
- SUPPORT_BUNDLE_EXPIRATION: 'support-bundle-expiration',
- SUPPORT_BUNDLE_FILE_NAME: 'support-bundle-file-name',
- SUPPORT_BUNDLE_IMAGE: 'support-bundle-image',
- SUPPORT_BUNDLE_NODE_COLLECTION_TIMEOUT: 'support-bundle-node-collection-timeout',
- STORAGE_NETWORK: 'storage-network',
- RWX_NETWORK: 'rwx-network',
- VM_FORCE_RESET_POLICY: 'vm-force-reset-policy',
- SSL_CERTIFICATES: 'ssl-certificates',
- SSL_PARAMETERS: 'ssl-parameters',
- SUPPORT_BUNDLE_NAMESPACES: 'support-bundle-namespaces',
- AUTO_DISK_PROVISION_PATHS: 'auto-disk-provision-paths',
- RELEASE_DOWNLOAD_URL: 'release-download-url',
- CCM_CSI_VERSION: 'harvester-csi-ccm-versions',
- CSI_DRIVER_CONFIG: 'csi-driver-config',
- CSI_ONLINE_EXPAND_VALIDATION: 'csi-online-expand-validation',
- VM_TERMINATION_PERIOD: 'default-vm-termination-grace-period-seconds',
- NTP_SERVERS: 'ntp-servers',
- AUTO_ROTATE_RKE2_CERTS: 'auto-rotate-rke2-certs',
- KUBECONFIG_DEFAULT_TOKEN_TTL_MINUTES: 'kubeconfig-default-token-ttl-minutes',
- LONGHORN_V2_DATA_ENGINE_ENABLED: 'longhorn-v2-data-engine-enabled',
- ADDITIONAL_GUEST_MEMORY_OVERHEAD_RATIO: 'additional-guest-memory-overhead-ratio',
- UPGRADE_CONFIG: 'upgrade-config',
- VM_MIGRATION_NETWORK: 'vm-migration-network',
- RANCHER_CLUSTER: 'rancher-cluster',
- MAX_HOTPLUG_RATIO: 'max-hotplug-ratio',
- KUBEVIRT_MIGRATION: 'kubevirt-migration',
- INSTANCE_MANAGER_RESOURCES: 'instance-manager-resources',
- CLUSTER_POD_SECURITY_STANDARD: 'cluster-pod-security-standard'
+ BACKUP_TARGET: 'backup-target',
+ CONTAINERD_REGISTRY: 'containerd-registry',
+ LOG_LEVEL: 'log-level',
+ SERVER_VERSION: 'server-version',
+ UI_INDEX: 'ui-index',
+ UPGRADE_CHECKER_ENABLED: 'upgrade-checker-enabled',
+ UPGRADE_CHECKER_URL: 'upgrade-checker-url',
+ VLAN: 'vlan',
+ UI_SOURCE: 'ui-source',
+ UI_PL: 'ui-pl',
+ HTTP_PROXY: 'http-proxy',
+ ADDITIONAL_CA: 'additional-ca',
+ OVERCOMMIT_CONFIG: 'overcommit-config',
+ CLUSTER_REGISTRATION_URL: 'cluster-registration-url',
+ DEFAULT_STORAGE_CLASS: 'default-storage-class',
+ SUPPORT_BUNDLE_TIMEOUT: 'support-bundle-timeout',
+ SUPPORT_BUNDLE_EXPIRATION: 'support-bundle-expiration',
+ SUPPORT_BUNDLE_FILE_NAME: 'support-bundle-file-name',
+ SUPPORT_BUNDLE_IMAGE: 'support-bundle-image',
+ SUPPORT_BUNDLE_NODE_COLLECTION_TIMEOUT: 'support-bundle-node-collection-timeout',
+ STORAGE_NETWORK: 'storage-network',
+ RWX_NETWORK: 'rwx-network',
+ VM_FORCE_RESET_POLICY: 'vm-force-reset-policy',
+ SSL_CERTIFICATES: 'ssl-certificates',
+ SSL_PARAMETERS: 'ssl-parameters',
+ SUPPORT_BUNDLE_NAMESPACES: 'support-bundle-namespaces',
+ AUTO_DISK_PROVISION_PATHS: 'auto-disk-provision-paths',
+ RELEASE_DOWNLOAD_URL: 'release-download-url',
+ CCM_CSI_VERSION: 'harvester-csi-ccm-versions',
+ CSI_DRIVER_CONFIG: 'csi-driver-config',
+ CSI_ONLINE_EXPAND_VALIDATION: 'csi-online-expand-validation',
+ VM_TERMINATION_PERIOD: 'default-vm-termination-grace-period-seconds',
+ NTP_SERVERS: 'ntp-servers',
+ AUTO_ROTATE_RKE2_CERTS: 'auto-rotate-rke2-certs',
+ KUBECONFIG_DEFAULT_TOKEN_TTL_MINUTES: 'kubeconfig-default-token-ttl-minutes',
+ LONGHORN_V2_DATA_ENGINE_ENABLED: 'longhorn-v2-data-engine-enabled',
+ LONGHORN_V2_DATA_ENGINE_HUGEPAGE_ENABLED: 'longhorn-v2-data-engine-hugepage-enabled',
+ LONGHORN_V2_DATA_ENGINE_MEMORY_SIZE: 'longhorn-v2-data-engine-memory-size',
+ ADDITIONAL_GUEST_MEMORY_OVERHEAD_RATIO: 'additional-guest-memory-overhead-ratio',
+ UPGRADE_CONFIG: 'upgrade-config',
+ VM_MIGRATION_NETWORK: 'vm-migration-network',
+ RANCHER_CLUSTER: 'rancher-cluster',
+ MAX_HOTPLUG_RATIO: 'max-hotplug-ratio',
+ KUBEVIRT_MIGRATION: 'kubevirt-migration',
+ INSTANCE_MANAGER_RESOURCES: 'instance-manager-resources',
+ CLUSTER_POD_SECURITY_STANDARD: 'cluster-pod-security-standard'
};
export const HCI_ALLOWED_SETTINGS = {
@@ -112,6 +114,14 @@ export const HCI_ALLOWED_SETTINGS = {
experimental: true,
featureFlag: 'longhornV2LVMSupport'
},
+ [HCI_SETTING.LONGHORN_V2_DATA_ENGINE_HUGEPAGE_ENABLED]: {
+ kind: 'boolean',
+ featureFlag: 'longhornV2HugepageSettings'
+ },
+ [HCI_SETTING.LONGHORN_V2_DATA_ENGINE_MEMORY_SIZE]: {
+ kind: 'number',
+ featureFlag: 'longhornV2HugepageSettings'
+ },
[HCI_SETTING.ADDITIONAL_GUEST_MEMORY_OVERHEAD_RATIO]: { kind: 'string', from: 'import' },
[HCI_SETTING.UPGRADE_CONFIG]: {
kind: 'json',
diff --git a/pkg/harvester/l10n/en-us.yaml b/pkg/harvester/l10n/en-us.yaml
index b1b7d7a2..d4d2dc97 100644
--- a/pkg/harvester/l10n/en-us.yaml
+++ b/pkg/harvester/l10n/en-us.yaml
@@ -2092,6 +2092,8 @@ advancedSettings:
'harv-auto-rotate-rke2-certs': The certificate rotation mechanism relies on Rancher. Harvester will automatically update certificates generation to trigger rotation.
'harv-kubeconfig-default-token-ttl-minutes': 'TTL (in minutes) applied on Harvester administration kubeconfig files. Default is 0, which means to never expire.'
'harv-longhorn-v2-data-engine-enabled': 'Enable the Longhorn V2 data engine. Default is false. - Changing this setting will restart RKE2 on all nodes. This will not affect running VM workloads.
- If you see "not enough hugepages-2Mi capacity" errors when enabling this setting, wait a minute for the error to clear. If the error remains, reboot the affected node.
'
+ 'harv-longhorn-v2-data-engine-hugepage-enabled': 'Enable hugepages when using the Longhorn V2 data engine. Default is true. Disabling hugepages reduces memory pressure on low-spec nodes and increases deployment flexibility. However, performance may be lower compared to running with hugepages.'
+ 'harv-longhorn-v2-data-engine-memory-size': 'Configure the amount of memory allocated to the SPDK target daemon when using the Longhorn V2 data engine. Default is 2048 MiB.'
'harv-additional-guest-memory-overhead-ratio': 'The ratio for kubevirt to adjust the VM overhead memory. The value could be zero, empty value or floating number between 1.0 and 10.0, default to 1.5.'
'harv-upgrade-config': 'Configure image preloading and VM restore options for upgrades. See related fields in settings/upgrade-config'
'harv-vm-migration-network': 'Segregated network for VM migration traffic.'