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Independently of VMware, several startups also began to provide VM-aware storage products using existing virtual infrastructure management interfaces. These storage products are designed to support the same VM abstractions and allow storage management at the granularity of VMs. VMware announced its own vSphere storage appliance in 2011. [8]
[8] [9] For some guest operating systems, a "Guest Additions" package of device drivers and system applications is available, [10] [11] which typically improves performance, especially that of graphics, and allows changing the resolution of the guest OS automatically when the window of the virtual machine on the host OS is resized.
Modern data centers must support large, heterogenous environments, consisting of large numbers of computers of varying capacities. Cloud computing coordinates the operation of all such systems, with techniques such as data center networking (DCN), the MapReduce framework, which supports data-intensive computing applications in parallel and distributed systems, and virtualization techniques ...
Virtual file system: an abstraction layer on top of a more concrete file system, allowing client applications to access different types of concrete file systems in a uniform way; Storage hypervisor: the software that manages storage virtualization and combines physical storage resources into one or more flexible pools of logical storage [29]
Linux can be dual-booted on Macs that use Motorola 680x0 processors [5] (only 68020 and higher, [5] and only non-"EC" processor variants since an MMU is required [6]).The Linux/mac68k community project provides resources to do so, [7] [8] and an m68k community port of the Debian Linux distribution is also available.
The file format of the virtual appliance is the concern of the cloud provider and usually not relevant to the cloud user even though the cloud user may be the owner of the virtual appliance. However, challenges may arise with the transfer of virtual appliance ownership or transfer of virtual appliances between cloud data centers.
With the VM suspended, a minimal subset of the execution state of the VM (CPU state, registers and, optionally, non-pageable memory) is transferred to the target. The VM is then resumed at the target. Concurrently, the source actively pushes the remaining memory pages of the VM to the target - an activity known as pre-paging.
VM/370 Basic System Extensions Program Product VM/BSE (BSEPP) is an enhancement to VM/370 that adds support for more devices (such as 3370-type fixed-block-architecture DASD drives), improvements to the CMS environment (such as an improved editor), and some stability enhancements to CP. VM/370 System Extensions Program Product