Patent ID: 8387062
Filing Date: 2013-02-26
Classification: G06F

Abstract:
1. A method of facilitating providing of host real storage for guest storage buffers in a virtual processing environment, said virtual processing environment comprising a host and one or more guests managed by said host, and said method comprising: storing data, based on executing an asynchronous process on a processor of the virtual processing environment, into a guest storage buffer, the guest storage buffer having n units of host real storage committed thereto and being larger than the n units of host real storage, and wherein the storing comprises storing data into a current unit of the guest storage buffer, said current unit of the guest storage buffer being backed by a committed unit of host real storage; updating an indicator, based on detecting that the current unit of the guest storage buffer is no longer to be stored into and another unit of the guest storage buffer is to be the current unit of the guest storage buffer to be stored into; employing the indicator to determine whether host real storage is to be committed to one or more other blocks of the guest storage buffer; and generating an alert to the host indicating to the host that action is to be taken by the host to commit host real storage, based on the employing indicating host real storage is to be committed to one or more other blocks of the guest storage buffer.