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Questions tagged [cluster-shared-volumes]

Cluster Shared Volumes (CSV) is a feature in Windows Server in which shared disks are concurrently accessible to all nodes within a failover cluster. The feature was first introduced in Windows Server 2008 R2 as a way to simplify storage with clustered Hyper-V virtual machines (VMs).

Cluster Shared Volumes (CSV) is a feature in Windows Server in which shared disks are concurrently accessible to all nodes within a failover cluster. The feature was first introduced in Windows Server 2008 R2 as a way to simplify storage with clustered Hyper-V virtual machines (VMs).

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Is ReFS ready to host production VHDXs on Hyper-V 2012 r2 clusters?

One of the new features that I didn't see listed in all the "Windows Server 2012 r2" posts is that Clustering now supports CSVs that are formatted with ReFS. So, naturally, I would like to change the CSVs where I store the VHDX files to be ReFS. But…
Granger
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glusterfs: failed to get the 'volume file' from server

I have a GlusterFS volume hosted on a remote fileserver. I can mount the volume from my webservers in the same DC as well as other servers in other DCs however when I try to mount the volume on my local dev server the mount fails with the following…
silenceandshadow
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Miserable performance of Hyper-V storage on CSV

I recently setup a new environment consisting of: - QSAN Storage with 10Gib network - Mellanox switches 10Gib - 4 x Physical nodes connect to LAN and SAN 10Gib The physical hosts are connected using MPIO to the SAN storage, performance tests were…
inzanez
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Changing 'disk ID' of Windows GPT disk via Linux

I have a SAN level snapshot\clone of a Windows cluster shared volume (CSV) whocj i want to mount on the same cluster to retrieve files, as form of backup. As detailed here: Accessing a storage-side snapshot of a cluster-shared volume ... there…
hobgadling
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Mapping SAN to cluster nodes

I have mapped a block of space from SAN to 3 cluster nodes (2012r2)as below: 2 ports from each node have been mapped to the same share on SAN for redundancy. MPIO has been configured on all nodes SAN share has been successfully added to all nodes…
Root Loop
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How does CSV cache behave under memory load?

We're looking at using Microsoft's CSV cache feature in our new Hyper-V 2012 R2 clusters: It's enabled by default, with 512MB allocated to each CSV. The maximum memory that can be assigned is 80%. The recommendation is a maximum allocation of…
john
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Removed cluster disk that wouldn't come online, now it wants to be formatted. Can I recover the data?

I inherited a failover cluster hosting several VMs and some storage volumes. It uses a fibre-channel SAN for storage. I updated firmware on the SAN controllers recently and when it came back up one of the cluster disks wouldn't come back online in…
BadWednesday
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Converting a Windows Server 2012 R2 Scale-Out File Server Back To Regular File Server. Is It Possible?

Well... I messed up. I didn't do enough research and just checked out the headlines then jump head first into the new Scale-Out File Server that Windows Server 2012 R2 brings to the table. At first an Active-Active file server sounds like the…
Arvo Bowen
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Windows server cluster shared volume (CSV) does not allocate full configured cache size

I have a Windows Server S2D cluster with five nodes. I have configured a 51GB CSV cache. However, after several days the server won't allocate more than about 1.5GB. I briefly saw 1.6GB. Why is the server not utilizing the available memory? My…
W Lucking
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Add "File Server for General Use" on top of Storage Spaces Direct (S2D) Cluster

We have a S2D Storage Spaces Direct cluster that we are wanting to add a General Purpose File Server to. Is it possible to use the S2D Cluster Shared Volume for the File Server role ? When i try and create the File Server role it gives me this…
Brendan Gooden
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Windows 2008 R2 File Server Cluster Missing Volumes in Share Management

I have a Windows Server 2008 R2 File Server Cluster which is failing to correctly display disk volume information when provisioning a new share, and when undertaking share management. I've been unable to find any information about this problem…
andshrew
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Azure datacenter 2019 failover cluster unresponsive after reboot only when shared disk is assigned CSV

We're seeing some really strange behaviour with a 2 node cluster on azure 2019 datacenter. We didn't see the issue right away but at some point it started happening and now we can repeat it. We have an azure shared disk that we assign as a cluster…
Bee_Riii
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S2D cluster not recognizing new phisical drive

I have a cluster of three ProLiant DL380p Gen8 servers with Windows Server 2019 OS. After Predictive failure warning on one of the physical drives, I retired it (Set-PhysicalDisk -Usage Retired) and removed id from pool (Remove-PhysicalDisk…
user2368898
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Poor Cluster Shared Volume performance when node is not CSV owner

We have a 5 node Windows Server 2016 Failover Cluster setup using an HPE Nimble as shared storage. We're using the cluster for Hyper-V. All virtual machine VHDXs are stored on the cluster shared volume (CSV). We're having a problems with disk…
siu07
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IneligibleDataPartition - S2D not starting - error 2

Getting this report but can't find any usefull info how to bind these disk back together: Get-Cachediskstatus.ps1 ---------------------------------------- Node: NAS13 DiskState DiskName …
Canoas
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