Abstract: Embodiments of the present invention generally provide for multi-dimensional disk arrays and methods for managing same and can be used in video surveillance systems for the management of real-time video data, image data, or combinations thereof.

Abstract: Some embodiments of the present invention provide methods, computer media encoding instructions, and systems for receiving write requests directed to non-sequential logical block addresses and writing the write requests to sequential disk block addresses in a storage system. Some embodiments further include overprovisioning a storage system to include an increment of additional storage space such that it is more likely a large enough sequential block of storage will be available to accommodate incoming write requests.

Abstract: Embodiments of the present invention generally provide for multi-dimensional disk arrays and methods for managing same and can be used in video surveillance systems for the management of real-time video data, image data, or combinations thereof.

Abstract: Some embodiments of the present invention provide methods, computer media encoding instructions, and systems for receiving write requests directed to non-sequential logical block addresses and writing the write requests to sequential disk block addresses in a storage system. Some embodiments further include overprovisioning a storage system to include an increment of additional storage space such that it is more likely a large enough sequential block of storage will be available to accommodate incoming write requests.

Abstract: Embodiments of the present invention generally provide for multi-dimensional disk arrays and methods for managing same and can be used in video surveillance systems for the management of real-time video data, image data, or combinations thereof.

Abstract: A system according to an embodiment of the present invention includes at least two virtual machines running on a hardware platform using either a hosted or a bare metal hypervisor. The virtual machines may communicate with an agent-server resident in the host operating system or in one of the virtual machines to switch control of the hardware component, such as graphics hardware, from one virtual machine to another.

Abstract: Some embodiments of the present invention provide methods, computer media encoding instructions, and systems for receiving write requests directed to non-sequential logical block addresses and writing the write requests to sequential disk block addresses in a storage system. Some embodiments further include overprovisioning a storage system to include an increment of additional storage space such that it is more likely a large enough sequential block of storage will be available to accommodate incoming write requests.

Abstract: A method for reordering a queue of disk storage input/output (I/O) transfer commands for a hard disk drive. "Lead time" latencies are calculated for the commands in the queue with respect to the active command. The command with the least lead time latency is selected and promoted to first in the queue. Lead time is seek time plus rotational latency. Lead time may be calculated as the time required for n revolutions of the disk, where the seek time is greater than that time, but less than that required for n+1 revolutions of the disk, plus the rotational time that is required to move from the ending angular position of the active command to the beginning angular position of the subsequent command. In a preferred embodiment, the calculations of lead time are performed in two stages. The first stage determines the beginning and ending physical locations of the I/O transfers for the commands in the queue.