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Open Virtualization Format (OVF) is an open standard for packaging and distributing virtual appliances or, more generally, software to be run in virtual machines.. The standard describes an "open, secure, portable, efficient and extensible format for the packaging and distribution of software to be run in virtual machines".
Virtual appliances are provided to the user or customer as files, via either electronic downloads or physical distribution. The file format most commonly used is the Open Virtualization Format (OVF). It may also be distributed as Open Virtual Appliance (OVA), the .ova file format is interchangeable with .ovf.
VMware provides a semi-automated tool called VMware vCenter Converter for moving physical servers running Windows or Linux into virtual environments while they are powered on. VMware vCenter Converter replaces two older utilities: Importer (bundled with VMware Workstation ) and P2V Assistant.
At the last moment it will very briefly 'freeze' the existing VM, transfer the last changes in the RAM content and then start the new VM. The intended effect of this process is to minimize the time during which the VM is suspended; in a best case this will be the time of the final transfer plus the time required to start the new VM. [3] [4]
Apple Inc.'s Quick Look, the built-in quick preview feature of Mac OS X, supports Office Open XML files starting with Mac OS X v10.5. Collabora Office can also run headless online or locally as a filter and converter for Office Open XML files.
VMware VMFS (Virtual Machine File System) is VMware, Inc.'s clustered file system used by the company's flagship server virtualization suite, vSphere. It was developed to store virtual machine disk images, including snapshots. Multiple servers can read/write the same filesystem simultaneously while individual virtual machine files are locked.
Calligra Sheets uses ODS as default file format. Collabora Office Calc for Mobile and Desktop apps uses ODS as its native file format. Collabora Online Calc uses ODS as its native file format. EditGrid, a web-based (online) spreadsheet service – full support. [41] FileApp allows viewing OpenDocument files on iPhone and iPad. [5]
A new VM storage scheme where all VM data is stored in one single folder to improve VM portability; Several UI enhancements including a new look with VM preview and scale mode; On 32-bit hosts, VMs can each use more than 1.5 GB of RAM; In addition to OVF, the single file OVA format is supported; CPU use and I/O bandwidth can be limited per VM