VMware vSphere

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VMware vSphere
VMware vSphere in the Enterprise, a holistic view
Developer(s) VMware, Inc.
Stable release 4.0 Update 1.0 / November 19, 2009;
11 years ago
Development status current
Operating system x64-compatible
Type Virtual machine monitor
License Proprietary
Website VMware vSphere
vSphere creating a VMFS filesystem from LIO v3.x Target+iSCSI.

VMware vSphere (formerly VMware Infrastructure 4), is VMware's first cloud operating system. It is able to manage large pools of virtualized computing infrastructure, including software and hardware, and it is fully supported by LIO

vSphere 4 has been tested with LIO v3.0 with IBLOCK, FILEIO and physical storage devices (PSCSI) backtores storage objects. Physical storage objects work because the underlying SCSI low-level driver (LLD) supports SPC-3, SPC-4 and T10 WWN for vSphere MPIO.



vSphere 4 uses SPC-3/SPC-4 Persistent Reservations (PRs) for controlling I_T Nexus access to a LUN.


vSphere 4 uses SPC-3/SPC-4 Asymmetric Logical Unit Assignment (ALUA) for intelligent multipathing.

ALUA implements outer-nexus OS dependent multipathing (via MO_SET_TARGET_PGS) from the SCSI Initiator port that allows ALUA Access States to be set on per SCSI target port basis. The Target ALUA implementation conforms to SPC-4 r17.


LIO has obtained "VMware Ready" certifications for VMware vSphere 4 with Netgear,[1] QNAP,[2] Data Robotics and Synology storage appliances.


VMware, Inc. (NYSE: VMW) is a provider of virtualization software.[3][4][5] The company was founded in 1998 and is based in Palo Alto, California. The Company is majority owned by EMC Corporation (NYSE: EMC).

VMware's desktop software runs on Microsoft Windows, Linux, and Mac OS X. while VMware's enterprise software is hypervisors for servers, VMware vSphere, VMware ESX and VMware ESXi are bare-metal embedded hypervisors that run directly on server hardware without requiring an additional underlying operating system.

See also

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