摘要:
Aspects of the present invention provide a solution for passively monitoring a computer system. In an embodiment, a virtual server is accessed by an indexing agent that is contained in an indexing appliance. The virtual server is located on a physical server and is one of a plurality of virtual system instances on a common physical server. The indexing appliance is separate from the virtual server and, as such, the indexing agent is not executed within the virtual server, itself. The indexing agent retrieves a virtual image of the virtual server and indexes the virtual image to extract features indicative of changes in the virtual server. These features are analyzed to perform passive monitoring of the virtual server. Since the indexing appliance is separate from the virtual server for which passive monitoring is being performed, the indexing agent can perform the retrieving and the indexing without utilizing agents executing within the virtual server.
摘要:
Aspects of the present invention provide a solution for passively monitoring a computer system. In an embodiment, an indexing agent operates on a physical server having a plurality of virtual servers. The indexing agent has a framework having a plurality of indexing layers. Each of these indexing layers is adapted to index a virtual server along a different abstraction level to extract abstraction level features indicative of changes in the virtual server. Further, each of the indexing layers has an application programming interface, which is adapted to receive one or more external indexing modules to be plugged into the framework. Each indexing module is adapted to provide instructions to the indexing agent while the indexing layer to which it is plugged is indexing the associated abstraction level of the virtual machine.
摘要:
Aspects of the present invention provide a solution for passively monitoring a computer system. In an embodiment, an indexing agent operates on a physical server having a plurality of virtual servers. The indexing agent has a framework having a plurality of indexing layers. Each of these indexing layers is adapted to index a virtual server along a different abstraction level to extract abstraction level features indicative of changes in the virtual server. Further, each of the indexing layers has an application programming interface, which is adapted to receive one or more external indexing modules to be plugged into the framework. Each indexing module is adapted to provide instructions to the indexing agent while the indexing layer to which it is plugged is indexing the associated abstraction level of the virtual machine.
摘要:
A method comprises receiving a first virtual machine image, processing the first virtual machine image with a Mirage transformation, and generating a first manifest including a mapping of hierarchical names of content of the first virtual machine image to content identifiers.
摘要:
A method for operating a file system includes receiving a write instruction including a file descriptor associated with a file and a content identifier, a content offset, and a content length, associating a region within the file with the content identifier, saving the association of the region and the content identifier.
摘要:
Methods and apparatus are provided for distributing a composite software stack as a virtual appliance. A new virtual appliance is published by obtaining a parent virtual appliance; configuring the new virtual appliance; obtaining file level differences between the parent virtual appliance and the new virtual appliance; and publishing the new virtual appliance as a patch comprising the file level differences relative to the parent virtual appliance. The file level differences comprise one or more of additions, deletions and modifications to the parent virtual appliance. An update to a given virtual appliance can be published as a fix pack, wherein the fix pack comprises file level differences relative to the given virtual appliance. An end user obtains a desired virtual appliance is obtained (for example, from a library of virtual appliances) by selecting the desired virtual appliance; obtaining metadata for the desired virtual appliance comprising an identifier of a patch file and a parent virtual appliance; and applying the patch file to the parent virtual appliance to get a modified virtual appliance.
摘要:
Methods and apparatus are provided for distributing a composite software stack as a virtual appliance. A new virtual appliance is published by obtaining a parent virtual appliance; configuring the new virtual appliance; obtaining file level differences between the parent virtual appliance and the new virtual appliance; and publishing the new virtual appliance as a patch comprising the file level differences relative to the parent virtual appliance. The file level differences comprise one or more of additions, deletions and modifications to the parent virtual appliance. An update to a given virtual appliance can be published as a fix pack, wherein the fix pack comprises file level differences relative to the given virtual appliance. An end user obtains a desired virtual appliance is obtained (for example, from a library of virtual appliances) by selecting the desired virtual appliance; obtaining metadata for the desired virtual appliance comprising an identifier of a patch file and a parent virtual appliance; and applying the patch file to the parent virtual appliance to get a modified virtual appliance.
摘要:
A method for managing a virtual machine image includes receiving a request to change a package configuration of a machine, processing an image action received in the request, wherein the processing the image action received includes, opening the image action with associated action inputs, comparing the opened image action inputs with inputs associated with action instances in a database, determining whether the compared opened image action inputs match the inputs associated with action instances, retrieving from the database, image difference data associated with the image action responsive to determining that the compared opened image action inputs match the inputs associated with action instances in the database, and applying the image difference data to an image to transform the image, determining whether each image action in the request has been processed and processing a second image action responsive to determining that each image action has not been processed.
摘要:
A composite software stack is distributed as a virtual appliance. A new virtual appliance is published by obtaining a parent virtual appliance; configuring the new virtual appliance; obtaining file level differences between the parent virtual appliance and the new virtual appliance; and publishing the new virtual appliance as a patch comprising the file level differences relative to the parent virtual appliance. The file level differences comprise additions, deletions and/or modifications to the parent virtual appliance. An update to a given virtual appliance can be published as a fix pack, wherein the fix pack comprises file level differences relative to the given virtual appliance. An end user obtains a desired virtual appliance by selecting the desired virtual appliance; obtaining metadata for the desired virtual appliance comprising an identifier of a patch file and a parent virtual appliance; and applying the patch file to the parent virtual appliance to get a modified virtual appliance.
摘要:
A composite software stack is distributed as a virtual appliance. A new virtual appliance is published by obtaining a parent virtual appliance; configuring the new virtual appliance; obtaining file level differences between the parent virtual appliance and the new virtual appliance; and publishing the new virtual appliance as a patch comprising the file level differences relative to the parent virtual appliance. The file level differences comprise additions, deletions and/or modifications to the parent virtual appliance. An update to a given virtual appliance can be published as a fix pack, wherein the fix pack comprises file level differences relative to the given virtual appliance. An end user obtains a desired virtual appliance by selecting the desired virtual appliance; obtaining metadata for the desired virtual appliance comprising an identifier of a patch file and a parent virtual appliance; and applying the patch file to the parent virtual appliance to get a modified virtual appliance.