22 votes

glusterfs: failed to get the 'volume file' from server

You must provide the VOLUME NAME in the mount command, not the PATH.
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  • 221
7 votes
Accepted

Mapping SAN to cluster nodes

Oh god, you've not have you? You've just caused immediate, irretrievable data loss sorry. NTFS isn't a cluster-aware file system, you need something to act as a lock manager too. MS Cluster Services ...
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  • 99.7k
6 votes

glusterfs: failed to get the 'volume file' from server

If you are not using RPM packages it is possible you are experiencing this bug: https://bugzilla.redhat.com/show_bug.cgi?id=1191176 The names of volfiles on disk was changed for improved rdma support....
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  • 1,693
6 votes

Miserable performance of Hyper-V storage on CSV

If you use Broadcom NICs, try to disable VMQ on a virtual switches and on a physical network adapters: http://www.dell.com/support/article/ua/ru/uabsdt1/SLN132131/EN You might also check if there are ...
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  • 8,723
4 votes

Changing 'disk ID' of Windows GPT disk via Linux

gdisk should help: have a look at 'c', 'g' and 'f' from the extra functionality menu. See ubuntu trusty gdisk manpage.
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3 votes
Accepted

what disk format I better choose for my windows server 2016 virtual machines for clustering?

It depends, I mean if you want implement a File sharing server in cluster some of the disk have to be shared between the VMs so for that disk the only choice is VHD set which is designed for this ...
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  • 405
3 votes
Accepted

What is the bottleneck of my HP MSA? Is it intended for a CSV at all?

All of the above. There's no good reason this system should have SATA disks in it. SAS is required for the dual-controller failover functionality. If you were to use SATA disks, they should at least ...
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  • 194k
3 votes

Create a Cluster Shared Volume with 3 Servers

Yes you can, but never use a single storage server to achieve HA. In the described configuration, you will only achieve HA on your compute layer while your storage layer is a SPOF. Try StarWind VSAN ...
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  • 4,744
3 votes

How does CSV cache behave under memory load?

What kind of storage do you use as shared storage where your CSV’s are hosted? If it’s a software solution (software-defined storage), I would recommend turning native CSV caching off and use ...
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  • 5,606
3 votes
Accepted

How does CSV cache behave under memory load?

You asked a very specific question -- what does the CSV cache do under memory load? The answer is that memory is allocated to the CSV cache statically, and never released. So if you experience a ...
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  • 5,106
3 votes
Accepted

SAN: How to determine amount of LUN and CSV

The biggest reasons for splitting it up would be: To use different RAID levels To use different speeds of disks Maybe left over from migrating between different clusters, from before you could just ...
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  • 17.2k
2 votes

Changing 'disk ID' of Windows GPT disk via Linux

sgdisk --disk-guid=R /dev/sdXXXX (Sets the disk GUID to a new random value and is more suitable for scripting/automation)
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  • 21
2 votes
Accepted

How to Resolve Hyper-V Disk Location to Drive Letter

To view the current mapped drives and their respective device id's run the following script: Get-WmiObject win32_volume | select name,deviceid | ft -AutoSize The output displays two columns, the ...
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  • 2,387
2 votes
Accepted

Converting a Windows Server 2012 R2 Scale-Out File Server Back To Regular File Server. Is It Possible?

You certainly will lose and need to re-create your shares, but the data on your CSV should not be affected. CSVFS is (mostly) a regular (NTFS) file system with a different filesystem driver stack (...
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  • 40.2k
2 votes
Accepted

Storage Recommendations for Hyper-v cluster on Server 2016

Full Disclosure. I am a Nimble Storage employee. You will find a Hyper-V Best Practices guide on InfoSight. You can also find discussions of Hyper-V on our community, NimbleConnect.
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2 votes
Accepted

Vm goes to saved state when removing CSV

I don't have much experience with Hyper-V in 2012 R2 but do have plenty with Hyper-V, Clusters etc. on 2008 R2 so will guess at the possible issue here. I found that with Failover Clustering (in 2008 ...
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  • 521
1 vote

IneligibleDataPartition - S2D not starting - error 2

Delete all the existing partitions from your disks (and better - wipe them off) before you're adding them to the Storage Spaces [Direct] pools. https://www.diskpart.com/diskpart/delete-partition-4125....
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  • 758
1 vote
Accepted

How To Share Volume With Code Files Between Two Containers In A Single Pod?

/app_api directory is empty in both containers because you mounted emptyDir over it (it's called "empty" for reason). You have two ways to "share" files between containers: Add files to both images (...
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1 vote
Accepted

Can a Failover Cluster CSV volume be owned by two clusters during the upgrade process?

There is no upgrade path from Windows 2012 Cluster to Windows 2016 Cluster. You will have to do a migration. Which in effect is: Create a new cluster with one node on 2016 Migrate services (...
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1 vote

How does CSV cache behave under memory load?

The changes you have highlighted were introduced in Windows 2012-R2, specifically for SoFS. SoFS is very read-intesive and would greatly benifit from higher cache settings (max-80% / recommended-max-...
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1 vote
Accepted

Removed cluster disk that wouldn't come online, now it wants to be formatted. Can I recover the data?

Removing a disk from the cluster does not cause any changes to the disk. I suggest using a partition recovery tool like Active@ to see if the partition is still there and easily recoverable.
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  • 22.5k
1 vote

glusterfs: failed to get the 'volume file' from server

Upgrade your volume Tested on Proxmox (debian based), GlusterFS 3.8.8, (since 3.6.2) Stop the service service glusterfs-server stop Upgrade the volume glusterd -N "--xlator-option=*.upgrade=on" ...
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  • 111
1 vote

glusterfs: failed to get the 'volume file' from server

I ran in to this issue today, I have ssl enabled for clients and servers. In my case I had not set the secure-access option on the client (making it use the glusterfs.ca file in /etc/ssl/) To solve ...
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