What file system should I choose for virtual machine storage?

Question

linux

Hardware
Available server basket HP C7000, server HP Proliant BL460c G8, disk storage HP 3PAR 7200, 2 SAN fabrics on Brocade switches
Soft
Centos 7, fcoe-utils, lldpad, device-mapper, device-mapper-multipath
Planned KVM virtualization system (oVirt).
What has been done
Managed to make friends with all this economy. The system sees the virtual disk exported for it on the 3rd pair. Multipatching set up.
Need help choosing a
partition table and file system for future virtual machine file storage. The approximate amount of storage is 10Tb, in the process of work, the volume will increase.
File system requirements: online resizing, as Unmounting a disk involves shutting down all the VMs on it.
What has been tried
MBR is limited to disks no larger than 2.2 TB.
When working with GPT, Linux parted gives warnings.
What are the stable and proven solutions for working with large disks in Linux?
If someone had experience setting up something like this, please do not be greedy and share your knowledge. You can detail, you can briefly - throw a list of who uses what.
If anyone is interested, I can describe my experience in setting up FC and multipath

Answer 1

The ZFS file system is my choice for large storages. The ability to quickly expand, snapshots and other cool features. You need an additional caching disk (preferably an SSD).
You can briefly get acquainted with everything on Wikipedia, in detail in this manual
https://docs.oracle.com/cd/E19253-01/820-0836/820-...

Answer 2

Try OCFS2, now I use VM storage in a Xen cluster of 3 nodes with a capacity of 5 TB. Online resizing seems to support