We have Dell MD3600f SAN storage array and two HP servers for VM failover clustering solution.

MD3600f is set, disks are mapped and connected to Hyper-V servers. On Hyper-V's I have partitioned and formatted these disks (NTFS) and assigned drive letters (N, Q, S) on both servers using DISKPART.

Now I can create folders or files on this disks using CMD with no problem. But if I delete folder ("rd s:\test" for example) on Server One and then list folders on Server Two ("dir s:\") it shows me the very "test" folder I deleted from Server One, i.e. Server Two is unaware of changes I made on using Server One and vice versa.

How can I tell Hyper-V treat this disks differently? Or what should I do to make these disks (N, Q, S) valid shared disk for Failover Cluster?

  • It appears that you're doing it wrong. You can't create standard NTFS volumes on these disks and attach each server to them. You need to be using a clustered file system, such as a CSV provides. You need to create a Cluster Shared Volume from these disks. – joeqwerty Sep 23 '14 at 16:19
  • Perhaps you are rigth. As I can see now, this filesystem can and will be created automatically if during Test-Cluster cmdlet it finds out that both servers could see same storage. I'm not aware is it required or not format shared volume to NTFS before cluster creation: in my case I did it and seems fine now. – user2838376 Sep 24 '14 at 3:37

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