diff --git a/README.md b/README.md
index b93ff39..4b4fa07 100644
--- a/README.md
+++ b/README.md
@@ -53,12 +53,15 @@ No modules.
 |------|------|
 | [helm_release.materialize_operator](https://registry.terraform.io/providers/hashicorp/helm/latest/docs/resources/release) | resource |
 | [helm_release.metrics_server](https://registry.terraform.io/providers/hashicorp/helm/latest/docs/resources/release) | resource |
+| [helm_release.openebs](https://registry.terraform.io/providers/hashicorp/helm/latest/docs/resources/release) | resource |
 | [kubernetes_job.db_init_job](https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/job) | resource |
 | [kubernetes_manifest.materialize_instances](https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/manifest) | resource |
 | [kubernetes_namespace.instance_namespaces](https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/namespace) | resource |
 | [kubernetes_namespace.materialize](https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/namespace) | resource |
 | [kubernetes_namespace.monitoring](https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/namespace) | resource |
+| [kubernetes_namespace.openebs](https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/namespace) | resource |
 | [kubernetes_secret.materialize_backends](https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/resources/secret) | resource |
+| [kubernetes_resource.materialize_instances](https://registry.terraform.io/providers/hashicorp/kubernetes/latest/docs/data-sources/resource) | data source |
 
 ## Inputs
 
@@ -69,10 +72,13 @@ No modules.
 | <a name="input_helm_repository"></a> [helm\_repository](#input\_helm\_repository) | Repository URL for the Materialize operator Helm chart. Leave empty if using local chart. | `string` | `"https://materializeinc.github.io/materialize/"` | no |
 | <a name="input_helm_values"></a> [helm\_values](#input\_helm\_values) | Values to pass to the Helm chart | `any` | n/a | yes |
 | <a name="input_install_metrics_server"></a> [install\_metrics\_server](#input\_install\_metrics\_server) | Whether to install the metrics-server | `bool` | `true` | no |
-| <a name="input_instances"></a> [instances](#input\_instances) | Configuration for Materialize instances | <pre>list(object({<br/>    name                    = string<br/>    namespace               = optional(string)<br/>    create_database         = optional(bool, true)<br/>    database_name           = string<br/>    metadata_backend_url    = string<br/>    persist_backend_url     = string<br/>    environmentd_version    = optional(string, "v0.130.4")<br/>    cpu_request             = optional(string, "1")<br/>    memory_request          = optional(string, "1Gi")<br/>    memory_limit            = optional(string, "1Gi")<br/>    in_place_rollout        = optional(bool, true)<br/>    request_rollout         = optional(string, "00000000-0000-0000-0000-000000000000")<br/>    force_rollout           = optional(string, "00000000-0000-0000-0000-000000000000")<br/>    balancer_memory_request = optional(string, "256Mi")<br/>    balancer_memory_limit   = optional(string, "256Mi")<br/>    balancer_cpu_request    = optional(string, "100m")<br/>  }))</pre> | `[]` | no |
+| <a name="input_install_openebs"></a> [install\_openebs](#input\_install\_openebs) | Whether to install OpenEBS for NVMe storage | `bool` | `false` | no |
+| <a name="input_instances"></a> [instances](#input\_instances) | Configuration for Materialize instances | <pre>list(object({<br/>    name                    = string<br/>    namespace               = optional(string)<br/>    create_database         = optional(bool, true)<br/>    database_name           = string<br/>    metadata_backend_url    = string<br/>    persist_backend_url     = string<br/>    environmentd_version    = optional(string, "v0.130.4")<br/>    cpu_request             = optional(string, "1")<br/>    memory_request          = optional(string, "1Gi")<br/>    memory_limit            = optional(string, "1Gi")<br/>    in_place_rollout        = optional(bool, true)<br/>    request_rollout         = optional(string, "00000000-0000-0000-0000-000000000001")<br/>    force_rollout           = optional(string, "00000000-0000-0000-0000-000000000001")<br/>    balancer_memory_request = optional(string, "256Mi")<br/>    balancer_memory_limit   = optional(string, "256Mi")<br/>    balancer_cpu_request    = optional(string, "100m")<br/>  }))</pre> | `[]` | no |
 | <a name="input_metrics_server_version"></a> [metrics\_server\_version](#input\_metrics\_server\_version) | Version of metrics-server to install | `string` | `"3.12.2"` | no |
 | <a name="input_monitoring_namespace"></a> [monitoring\_namespace](#input\_monitoring\_namespace) | Namespace for monitoring resources | `string` | `"monitoring"` | no |
 | <a name="input_namespace"></a> [namespace](#input\_namespace) | Namespace prefix for all resources | `string` | n/a | yes |
+| <a name="input_openebs_namespace"></a> [openebs\_namespace](#input\_openebs\_namespace) | Namespace for OpenEBS components | `string` | `"openebs"` | no |
+| <a name="input_openebs_version"></a> [openebs\_version](#input\_openebs\_version) | Version of OpenEBS Helm chart to install | `string` | `"4.2.0"` | no |
 | <a name="input_operator_namespace"></a> [operator\_namespace](#input\_operator\_namespace) | Namespace for the Materialize operator | `string` | `"materialize"` | no |
 | <a name="input_operator_version"></a> [operator\_version](#input\_operator\_version) | Version of the Materialize operator to install | `string` | `"v25.1.2"` | no |
 | <a name="input_postgres_version"></a> [postgres\_version](#input\_postgres\_version) | Postgres version to use for the metadata backend | `string` | `"15"` | no |
@@ -82,7 +88,10 @@ No modules.
 
 | Name | Description |
 |------|-------------|
+| <a name="output_materialize_instance_resource_ids"></a> [materialize\_instance\_resource\_ids](#output\_materialize\_instance\_resource\_ids) | Resource IDs of created Materialize instances |
 | <a name="output_materialize_instances"></a> [materialize\_instances](#output\_materialize\_instances) | Details of created Materialize instances |
+| <a name="output_openebs_enabled"></a> [openebs\_enabled](#output\_openebs\_enabled) | Whether OpenEBS is enabled |
+| <a name="output_openebs_namespace"></a> [openebs\_namespace](#output\_openebs\_namespace) | Namespace where OpenEBS is installed |
 | <a name="output_operator_namespace"></a> [operator\_namespace](#output\_operator\_namespace) | Namespace where the operator is installed |
 | <a name="output_operator_release_name"></a> [operator\_release\_name](#output\_operator\_release\_name) | Helm release name of the operator |
 | <a name="output_operator_release_status"></a> [operator\_release\_status](#output\_operator\_release\_status) | Status of the helm release |
diff --git a/main.tf b/main.tf
index 8fb535e..ebc21dd 100644
--- a/main.tf
+++ b/main.tf
@@ -223,3 +223,29 @@ resource "helm_release" "metrics_server" {
 
   depends_on = [kubernetes_namespace.monitoring]
 }
+
+# Install OpenEBS for lgalloc support
+resource "kubernetes_namespace" "openebs" {
+  count = var.install_openebs ? 1 : 0
+
+  metadata {
+    name = var.openebs_namespace
+  }
+}
+
+resource "helm_release" "openebs" {
+  count = var.install_openebs ? 1 : 0
+
+  name       = "openebs"
+  namespace  = kubernetes_namespace.openebs[0].metadata[0].name
+  repository = "https://openebs.github.io/openebs"
+  chart      = "openebs"
+  version    = var.openebs_version
+
+  set {
+    name  = "engines.replicated.mayastor.enabled"
+    value = "false"
+  }
+
+  depends_on = [kubernetes_namespace.openebs]
+}
diff --git a/outputs.tf b/outputs.tf
index 2643572..c99137a 100644
--- a/outputs.tf
+++ b/outputs.tf
@@ -29,3 +29,13 @@ output "materialize_instance_resource_ids" {
     for name, instance in data.kubernetes_resource.materialize_instances : name => instance.object.status.resourceId
   }
 }
+
+output "openebs_enabled" {
+  description = "Whether OpenEBS is enabled"
+  value       = var.install_openebs
+}
+
+output "openebs_namespace" {
+  description = "Namespace where OpenEBS is installed"
+  value       = var.install_openebs ? var.openebs_namespace : null
+}
diff --git a/variables.tf b/variables.tf
index b7f86dc..1c1d88e 100644
--- a/variables.tf
+++ b/variables.tf
@@ -43,6 +43,7 @@ variable "operator_namespace" {
   default     = "materialize"
 }
 
+# Monitoring configuration
 variable "monitoring_namespace" {
   description = "Namespace for monitoring resources"
   type        = string
@@ -61,6 +62,26 @@ variable "install_metrics_server" {
   default     = true
 }
 
+# OpenEBS configuration
+variable "install_openebs" {
+  description = "Whether to install OpenEBS for NVMe storage"
+  type        = bool
+  default     = false
+}
+
+variable "openebs_namespace" {
+  description = "Namespace for OpenEBS components"
+  type        = string
+  default     = "openebs"
+}
+
+variable "openebs_version" {
+  description = "Version of OpenEBS Helm chart to install"
+  type        = string
+  default     = "4.2.0"
+}
+
+# Materialize instance configuration
 variable "instances" {
   description = "Configuration for Materialize instances"
   type = list(object({