Updating clients from a server

摘要

An embodiment generally relates to a method of updating clients from a server. The method includes maintaining a master copy of a software on a server and capturing changes to the master copy of the software on an update disk image, where the changes are contained in at least one chunk. The method also includes merging the update disk image with one of two client disk images of the client copy of the software.

主权项

1. A method comprising:
creating an origin disk image based on a server disk image; creating a snapshot disk image based on the server disk image; generating, by a processor in response to detecting a change via at least one of the origin disk image or the snapshot disk image, an instruction to change a block of the server disk image; copying the block to a copy-on-write disk image prior to changing the block according to the instruction; determining whether the instruction was generated via at least one of the origin disk image or the snapshot disk image; in response to the instruction being generated via the snapshot disk image, changing, according to the instruction, the block on the copy-on-write disk image; and in response to the instruction being generated via the origin disk image, changing the block the server disk image according to the instruction.