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Allows access by multiple ESXi servers at the same time by implementing per-file locking. SCSI reservations are only implemented when logical unit number (LUN) metadata is updated (e.g. file name change, file size change, etc.) Add or delete an ESXi server from a VMware VMFS volume without disrupting other ESXi servers.
A shared-disk file system uses a storage area network (SAN) to allow multiple computers to gain direct disk access at the block level.Access control and translation from file-level operations that applications use to block-level operations used by the SAN must take place on the client node.
Cluster Shared Volumes (CSV) is a feature of Failover Clustering first introduced in Windows Server 2008 R2 for use with the Hyper-V role. A Cluster Shared Volume is a shared disk containing an NTFS or ReFS (ReFS: Windows Server 2012 R2 or newer) volume that is made accessible for read and write operations by all nodes within a Windows Server Failover Cluster.
A storage area network (SAN) or storage network is a computer network which provides access to consolidated, block-level data storage.SANs are primarily used to access data storage devices, such as disk arrays and tape libraries from servers so that the devices appear to the operating system as direct-attached storage.
Shared-disk file systems (also called shared-storage file systems, SAN file system, Clustered file system or even cluster file systems) are primarily used in a storage area network where all nodes directly access the block storage where the file system is located. This makes it possible for nodes to fail without affecting access to the file ...
VMware Server (formerly VMware GSX Server) is a discontinued free-of-charge virtualization-software server suite developed and supplied by VMware, Inc. VMware Server has fewer features than VMware ESX , software available for purchase, but can create, edit, and play virtual machines.
Shared file and printer access require an operating system on the client that supports access to resources on a server, an operating system on the server that supports access to its resources from a client, and an application layer (in the four or five layer TCP/IP reference model) file sharing protocol and transport layer protocol to provide that shared access.
VM-aware storage has some similarities to and can benefit from software-defined networking, but is distinct in that the latter provides general purpose physical equipment that can be customized and configured in software whereas VM-aware storage is designed for virtual machines.