# LINSTOR

**URL:** https://forums.linbit.com/c/linstor/6.md

[Latest](https://forums.linbit.com/latest.md) · [Categories](https://forums.linbit.com/categories.md) · [Tags](https://forums.linbit.com/tags.md)

---

## [About the LINSTOR Category & Helpful Resources](https://forums.linbit.com/t/about-the-linstor-category-helpful-resources/17)

<div class="topic-metadata">

**Author:** [@michael](https://forums.linbit.com/u/michael)\
**Replies:** 0

</div>

LINSTOR® is an open source software-defined storage (SDS) system that brings management convenience, scalability, and automation to block storage in your deployments. It manages storage layers, such as LVM and ZFS, and …

---

## [Linstor drbd: one side with authentication, one without?](https://forums.linbit.com/t/linstor-drbd-one-side-with-authentication-one-without/1291)

<div class="topic-metadata">

**Author:** [@candlerb](https://forums.linbit.com/u/candlerb)\
**Replies:** 2\
**Last updated:** [October 14, 2026, 11:07pm UTC](https://forums.linbit.com/t/linstor-drbd-one-side-with-authentication-one-without/1291 "2026-10-14T23:07:00Z")

</div>

Has anyone seen this problem before? After upgrading a node we have some resources which won’t connect, and this is because two nodes have “cram-hmac-alg” and “shared-secret” set, but the third (most recently updated on…

---

## [Changing default verification algorithm: auto-verify-alg](https://forums.linbit.com/t/changing-default-verification-algorithm-auto-verify-alg/1166)

<div class="topic-metadata">

**Author:** [@kurbanaliev](https://forums.linbit.com/u/kurbanaliev)\
**Replies:** 9\
**Last updated:** [October 8, 2026, 10:28am UTC](https://forums.linbit.com/t/changing-default-verification-algorithm-auto-verify-alg/1166 "2026-10-08T10:28:03Z")

</div>

Hello. I came across commit https://github.com/torvalds/linux/commit/8522104f75bf1ce33d76ea425185da2a7fba5a70 indicating that support for the crct10dif algorithm was removed from the Linux kernel. Consequently, I decide…

---

## [Drbd-disk- / lvm-disk-size mismatch after resize](https://forums.linbit.com/t/drbd-disk-lvm-disk-size-mismatch-after-resize/369)

<div class="topic-metadata">

**Author:** [@Adam](https://forums.linbit.com/u/Adam)\
**Replies:** 8\
**Last updated:** [September 22, 2026, 8:38pm UTC](https://forums.linbit.com/t/drbd-disk-lvm-disk-size-mismatch-after-resize/369 "2026-09-22T20:38:11Z")

</div>

After resizing a volume, I have a size difference between the drbd-disk and the underlying lvm-disk. I resized the drbd-volumes from 200G to 260G with linstor vd set-size sorim 0 260G But a running VM (Windows Server …

---

## [Linstor CSI with ClusterAPI integration](https://forums.linbit.com/t/linstor-csi-with-clusterapi-integration/1261)

<div class="topic-metadata">

**Author:** [@xann](https://forums.linbit.com/u/xann)\
**Replies:** 4\
**Last updated:** [August 31, 2026, 3:14pm UTC](https://forums.linbit.com/t/linstor-csi-with-clusterapi-integration/1261 "2026-08-31T15:14:01Z")

</div>

Hi, I’m trying to see if LINSTOR is a good fit for my use case. I’m using clusterapi to generate k8s clusters on the fly. For this I set up an Incus cluster on my nodes using LINSTOR as storage provider. This works grea…

---

## [Error : Volume group \_name\_ not found](https://forums.linbit.com/t/error-volume-group-name-not-found/1257)

<div class="topic-metadata">

**Author:** [@maxilee](https://forums.linbit.com/u/maxilee)\
**Replies:** 7\
**Last updated:** [August 25, 2026, 5:51am UTC](https://forums.linbit.com/t/error-volume-group-name-not-found/1257 "2026-08-25T05:51:36Z")

</div>

hi. in my linstor cluster I’ve got error reports in details on host I’ve got : “Error message: Volume group ‘lvm-2-1’ not found” the name of volume “lvm-2-1” previously was on that host - but it …

---

## [SocketException: Unsupported address type](https://forums.linbit.com/t/socketexception-unsupported-address-type/1215)

<div class="topic-metadata">

**Author:** [@danielu](https://forums.linbit.com/u/danielu)\
**Replies:** 6\
**Last updated:** [May 13, 2026, 12:43pm UTC](https://forums.linbit.com/t/socketexception-unsupported-address-type/1215 "2026-05-13T12:43:22Z")

</div>

After each node change by the linstor controller, the following error appears: SocketException: Unsupported address type What could be happening? How can I fix it?

---

## [Resources stuck in deleting state](https://forums.linbit.com/t/resources-stuck-in-deleting-state/1214)

<div class="topic-metadata">

**Author:** [@feisal](https://forums.linbit.com/u/feisal)\
**Replies:** 1\
**Last updated:** [May 4, 2026, 5:51am UTC](https://forums.linbit.com/t/resources-stuck-in-deleting-state/1214 "2026-05-04T05:51:53Z")

</div>

After a backup, the snapshot resource remains in a deleting state. On every single node the state is deleting but it never gets deleted.

---

## [Resources standalone after PVE update](https://forums.linbit.com/t/resources-standalone-after-pve-update/1197)

<div class="topic-metadata">

**Author:** [@sewi](https://forums.linbit.com/u/sewi)\
**Replies:** 0\
**Last updated:** [April 14, 2026, 7:48pm UTC](https://forums.linbit.com/t/resources-standalone-after-pve-update/1197 "2026-04-14T19:48:46Z")

</div>

After the last PVE update (+ drbd/linstor over the enterprise repo), after a reboot (orderly reboot over the interface), all resources were in StandAlone mode. A had to run “drbdadm connect” on all of them. Even more so,…

---

## [Storage pool has an incompatible minimum I/O size](https://forums.linbit.com/t/storage-pool-has-an-incompatible-minimum-i-o-size/1182)

<div class="topic-metadata">

**Author:** [@CirrusMS](https://forums.linbit.com/u/CirrusMS)\
**Replies:** 0\
**Last updated:** [March 19, 2026, 6:50pm UTC](https://forums.linbit.com/t/storage-pool-has-an-incompatible-minimum-i-o-size/1182 "2026-03-19T18:50:20Z")

</div>

Hello, one node from my 4 node cluster suddenly started to reject resource create with: storage pool has an incompatible minimum I/O size. This node already hosts 25 diskfull resources. All my nodes provides zfs\_thin t…

---

## [How to set DrbdOptions/ExactSize property?](https://forums.linbit.com/t/how-to-set-drbdoptions-exactsize-property/1175)

<div class="topic-metadata">

**Author:** [@rmendes](https://forums.linbit.com/u/rmendes)\
**Replies:** 8\
**Last updated:** [March 13, 2026, 9:57pm UTC](https://forums.linbit.com/t/how-to-set-drbdoptions-exactsize-property/1175 "2026-03-13T21:57:53Z")

</div>

I am trying to live move one disk of a Proxmox VM from Linstor to another storage. It fails with the error: TASK ERROR: storage migration failed: block job (mirror) error: drive-scsi2: Source and target image have diff…

---

## [Highly Available iSCSI Target Using a LINSTOR Gateway Cluster-Additional replica count Error](https://forums.linbit.com/t/highly-available-iscsi-target-using-a-linstor-gateway-cluster-additional-replica-count-error/1160)

<div class="topic-metadata">

**Author:** [@unix3](https://forums.linbit.com/u/unix3)\
**Replies:** 0\
**Last updated:** [February 25, 2026, 3:10pm UTC](https://forums.linbit.com/t/highly-available-iscsi-target-using-a-linstor-gateway-cluster-additional-replica-count-error/1160 "2026-02-25T15:10:35Z")

</div>

Hello, My idea is to replicate what is shown in this guide ( Create a Highly Available iSCSI Target Using a LINSTOR Gateway Cluster - LINBIT ) In particular, what I would like to achieve is a highly available iSCSI set…

---

## [High availability solution for linstor\_cinder\_driver](https://forums.linbit.com/t/high-availability-solution-for-linstor-cinder-driver/1159)

<div class="topic-metadata">

**Author:** [@mojtabashg](https://forums.linbit.com/u/mojtabashg)\
**Replies:** 0\
**Last updated:** [February 25, 2026, 10:05am UTC](https://forums.linbit.com/t/high-availability-solution-for-linstor-cinder-driver/1159 "2026-02-25T10:05:33Z")

</div>

Hi all, After adding the LINSTOR driver to OpenStack Cinder, three separate cinder-volume services were created (one per controller node). When I create a volume using a LINSTOR volume type, the volume is assigned to o…

---

## [Linstor\_db backup](https://forums.linbit.com/t/linstor-db-backup/838)

<div class="topic-metadata">

**Author:** [@youzersef](https://forums.linbit.com/u/youzersef)\
**Replies:** 6\
**Last updated:** [February 23, 2026, 2:36pm UTC](https://forums.linbit.com/t/linstor-db-backup/838 "2026-02-23T14:36:57Z")

</div>

Hello all, am using linstor proxmox with 2 productive nodes and 1 QDevice node. i maked sure to use linstor-controller HA with DRBD-Reactor using this guide: making the LINSTOR controller service highly available now …

---

## [Cloudstack Plugin with Linstor certificate authentication](https://forums.linbit.com/t/cloudstack-plugin-with-linstor-certificate-authentication/1140)

<div class="topic-metadata">

**Author:** [@sviridoff](https://forums.linbit.com/u/sviridoff)\
**Replies:** 3\
**Last updated:** [January 19, 2026, 3:21pm UTC](https://forums.linbit.com/t/cloudstack-plugin-with-linstor-certificate-authentication/1140 "2026-01-19T15:21:14Z")

</div>

Could someone please tell me if there is any way to make the CloudStack Linstor plugin work if certificate-based authentication is enabled on the Linstor API?

---

## [New resource becomes Standalone when using LUKS and mixing Storage Drivers](https://forums.linbit.com/t/new-resource-becomes-standalone-when-using-luks-and-mixing-storage-drivers/1139)

<div class="topic-metadata">

**Author:** [@bltavares](https://forums.linbit.com/u/bltavares)\
**Replies:** 6\
**Last updated:** [January 16, 2026, 9:59pm UTC](https://forums.linbit.com/t/new-resource-becomes-standalone-when-using-luks-and-mixing-storage-drivers/1139 "2026-01-16T21:59:52Z")

</div>

Hello everyone, I’m evaluating Linstor as the solution for running compute workloads with local disks while replicating it to a storage layer. At this moment, I have 4 compute nodes and 1 storage node. Each compute node…

---

## [The satellite does not support the device provider LVM, LVMTHIN, ZFS - whatever!](https://forums.linbit.com/t/the-satellite-does-not-support-the-device-provider-lvm-lvmthin-zfs-whatever/569)

<div class="topic-metadata">

**Author:** [@Gilbert49](https://forums.linbit.com/u/Gilbert49)\
**Replies:** 3\
**Last updated:** [January 14, 2026, 11:25am UTC](https://forums.linbit.com/t/the-satellite-does-not-support-the-device-provider-lvm-lvmthin-zfs-whatever/569 "2026-01-14T11:25:10Z")

</div>

Hi there. I have installed linstor in Proxmox 8.3.3 in just one node, just for test, and then I get the error message: The satellite does not support the device provider LVMTHIN. (I have tried ZFS too but same results!…

---

## [Linstor slow write with ZFS nvme pool](https://forums.linbit.com/t/linstor-slow-write-with-zfs-nvme-pool/1108)

<div class="topic-metadata">

**Author:** [@ondrej.lachman](https://forums.linbit.com/u/ondrej.lachman)\
**Replies:** 3\
**Last updated:** [December 18, 2025, 5:47pm UTC](https://forums.linbit.com/t/linstor-slow-write-with-zfs-nvme-pool/1108 "2025-12-18T17:47:08Z")

</div>

Hello. I have rather simple kubernetes cluster on baremetal, with 3x controlplane and 3x worker nodes whole cluster has 2x40G bond directly connected via arista mlag pair worker nodes are equipped with 2x Xeon Platin…

---

## [How to configure right network interface?](https://forums.linbit.com/t/how-to-configure-right-network-interface/1077)

<div class="topic-metadata">

**Author:** [@gennady](https://forums.linbit.com/u/gennady)\
**Replies:** 6\
**Last updated:** [December 9, 2025, 2:52pm UTC](https://forums.linbit.com/t/how-to-configure-right-network-interface/1077 "2025-12-09T14:52:21Z")

</div>

How to choose second network interface during deploy linstorCluster/linstorSatelliteConfigurations my config is: linstorSatelliteConfigurations: - name: host-network podTemplate: spec: hostNetwork: true …

---

## [Resources Stuck in DELETING/UNKNOWN/CloningFailed States - Cannot Delete](https://forums.linbit.com/t/resources-stuck-in-deleting-unknown-cloningfailed-states-cannot-delete/1090)

<div class="topic-metadata">

**Author:** [@manoj](https://forums.linbit.com/u/manoj)\
**Replies:** 0\
**Last updated:** [December 8, 2025, 4:05am UTC](https://forums.linbit.com/t/resources-stuck-in-deleting-unknown-cloningfailed-states-cannot-delete/1090 "2025-12-08T04:05:49Z")

</div>

Environment: LINSTOR Version: 1.32.1 (Satellite), 1.26.1 (Client) Storage Backend: ZFS (ZFS\_THIN pools) Setup: Multiple nodes (haserver62, haserver66, haserver64, etc.) with nvme0-nvme3 ZFS pools DRBD Version…

---

## [High latency on HDD pool, please help!](https://forums.linbit.com/t/high-latency-on-hdd-pool-please-help/1068)

<div class="topic-metadata">

**Author:** [@sviridoff](https://forums.linbit.com/u/sviridoff)\
**Replies:** 5\
**Last updated:** [November 27, 2025, 10:12am UTC](https://forums.linbit.com/t/high-latency-on-hdd-pool-please-help/1068 "2025-11-27T10:12:57Z")

</div>

Dear community, please help me figure out this issue. Right now I have a task to build cold storage, and for this purpose I decided to use an HDD pool consisting of Toshiba SAS 1.2 TB 2.5" 10K 128 MB drives. This pool …

---

## [Please advise: Add third node to a two node cluster](https://forums.linbit.com/t/please-advise-add-third-node-to-a-two-node-cluster/1063)

<div class="topic-metadata">

**Author:** [@pme242](https://forums.linbit.com/u/pme242)\
**Replies:** 2\
**Last updated:** [November 27, 2025, 9:21am UTC](https://forums.linbit.com/t/please-advise-add-third-node-to-a-two-node-cluster/1063 "2025-11-27T09:21:18Z")

</div>

I’ve setup a two node proxmox cluster with linstor drbd as cluster storage. 2x Hosts, 2TB nvme storage, 2.5Gb NIC Works like a charme - except some issues with the new 6.17 kernel. Now I like to add a third node. Sam…

---

## [Resource error preventing backup](https://forums.linbit.com/t/resource-error-preventing-backup/1060)

<div class="topic-metadata">

**Author:** [@feisal](https://forums.linbit.com/u/feisal)\
**Replies:** 5\
**Last updated:** [November 24, 2025, 2:39pm UTC](https://forums.linbit.com/t/resource-error-preventing-backup/1060 "2025-11-24T14:39:55Z")

</div>

I have this error on my resource group listing which happened after a power failure. I am not sure what it means or how to fix it. Can someone point me in the right direction?

---

## [Error Mounting Docker/Linstor Volume after Pool Resize](https://forums.linbit.com/t/error-mounting-docker-linstor-volume-after-pool-resize/952)

<div class="topic-metadata">

**Author:** [@m.desaive](https://forums.linbit.com/u/m.desaive)\
**Replies:** 4\
**Last updated:** [November 15, 2025, 3:58pm UTC](https://forums.linbit.com/t/error-mounting-docker-linstor-volume-after-pool-resize/952 "2025-11-15T15:58:57Z")

</div>

Hello, I am currently trying out the Linstor Docker plugin on small cluster. Everything worked well, but after I resized my storage pool I can no longer start docker containers with new volumes. I did actually do a lins…

---

## [IO delay spikes on various nodes in the Proxmox cluster causing noticeable performance impacts on the running VMs](https://forums.linbit.com/t/io-delay-spikes-on-various-nodes-in-the-proxmox-cluster-causing-noticeable-performance-impacts-on-the-running-vms/1058)

<div class="topic-metadata">

**Author:** [@IVSlofy](https://forums.linbit.com/u/IVSlofy)\
**Replies:** 0\
**Last updated:** [November 14, 2025, 4:06pm UTC](https://forums.linbit.com/t/io-delay-spikes-on-various-nodes-in-the-proxmox-cluster-causing-noticeable-performance-impacts-on-the-running-vms/1058 "2025-11-14T16:06:37Z")

</div>

The Issue: As the title said, Across multiple nodes, IO delay periodically spikes, sometimes exceeding 10–12%, and during Veeam backup operations it climbs to ~50% and stays high until backups finish. These spikes cause …

---

## [Data Replication for LINSTOR with SPDK Backend](https://forums.linbit.com/t/data-replication-for-linstor-with-spdk-backend/1053)

<div class="topic-metadata">

**Author:** [@mojtabashg](https://forums.linbit.com/u/mojtabashg)\
**Replies:** 0\
**Last updated:** [November 12, 2025, 7:54am UTC](https://forums.linbit.com/t/data-replication-for-linstor-with-spdk-backend/1053 "2025-11-12T07:54:41Z")

</div>

Hello Team, We are exploring solutions for node-level data replication when using SPDK (Storage Performance Development Kit) as the backend for LINSTOR, particularly in an OpenStack environment. As the LINSTOR document…

---

## [We need a storage-pool evacuate / lost command](https://forums.linbit.com/t/we-need-a-storage-pool-evacuate-lost-command/1047)

<div class="topic-metadata">

**Author:** [@zrav](https://forums.linbit.com/u/zrav)\
**Replies:** 2\
**Last updated:** [November 11, 2025, 1:59pm UTC](https://forums.linbit.com/t/we-need-a-storage-pool-evacuate-lost-command/1047 "2025-11-11T13:59:42Z")

</div>

Currently, if we want to remove a storage pool from a node, we must manually migrate resources to other nodes/storage pools, if we want to permanently remove a failed storage pool, we must first create a new temporary …

---

## [Balancing resources between nodes based on used or free space?](https://forums.linbit.com/t/balancing-resources-between-nodes-based-on-used-or-free-space/1036)

<div class="topic-metadata">

**Author:** [@sviridoff](https://forums.linbit.com/u/sviridoff)\
**Replies:** 4\
**Last updated:** [October 28, 2025, 3:02pm UTC](https://forums.linbit.com/t/balancing-resources-between-nodes-based-on-used-or-free-space/1036 "2025-10-28T15:02:29Z")

</div>

Hello everyone! Could someone please advise me or perhaps provide a link to the documentation: does LINSTOR have any mechanism for balancing resources between nodes based on used or free space? Or maybe someone can share…

---

## [How to correctly set up io suspend?](https://forums.linbit.com/t/how-to-correctly-set-up-io-suspend/1029)

<div class="topic-metadata">

**Author:** [@sviridoff](https://forums.linbit.com/u/sviridoff)\
**Replies:** 4\
**Last updated:** [October 14, 2025, 9:05am UTC](https://forums.linbit.com/t/how-to-correctly-set-up-io-suspend/1029 "2025-10-14T09:05:50Z")

</div>

Hi everyone! Can someone explain me how to correctly set up IO suspend policy for my resources? I executed the commands below: linstor rg sp DrbdOptions/auto-quorum suspend-io cloudstack linstor rg opt --on-no-data-acc…

---

## [Linstor issues on a virtualized install of proxmox](https://forums.linbit.com/t/linstor-issues-on-a-virtualized-install-of-proxmox/1008)

<div class="topic-metadata">

**Author:** [@Scheme](https://forums.linbit.com/u/Scheme)\
**Replies:** 2\
**Last updated:** [September 19, 2025, 1:47am UTC](https://forums.linbit.com/t/linstor-issues-on-a-virtualized-install-of-proxmox/1008 "2025-09-19T01:47:55Z")

</div>

I’m still learning linbit/drbd and this is my first so please bear with me! So i’m planning to use a virtualized install of proxmox as essentually just a diskless quorum node. I have two other physical proxmox nodes tha…

[Next page](https://forums.linbit.com/c/linstor/6.md?page=1)
