Ep2055163a4

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At state 1030, a request is made to restart the I/O. Next, the configuration supervisor 500 generates a restart I/O packet . The configuration supervisor 500 sends this packet to the Filter CDM 513. The Filter CDM 513 receives this I/O packet to restart the communication between the mass storage adapter and the adapter driver . The Filter CDM 513 makes a name to NPA_Config to restart the communication between the mass storage adapter and the adapter driver.
It is well-acknowledged that there's a lack of reliability and availability of most standards-based servers. Server downtime, ensuing either from hardware or software faults or from regular maintenance, continues to be a significant problem. It has been reported that corporations lose as much as $250 thousand in worker productiveness for each 1% of laptop downtime. With emerging Internet, intranet and collaborative purposes taking on extra important enterprise roles every day, the price of community server downtime will proceed to spiral upward. This motherboard helps next-generation SATA hard drives based on the Serial ATA 3Gb/s storage specification,delivering enhanced scalability and doubling the bus bandwidth for top -speed data retrieval and saves. Pricing, specifications, availability and terms of offers may change without discover.
The configuration supervisor 500 additionally allocates sources for every managed adapter and initializes every managed adapter's registers throughout a scorching swap operation. The registers of an adapter 310 are elements or intermediate reminiscences whose values points a sure motion within the adapter, or whose values point out the standing of the adapter. Moving to state 1602, the FindAdapter routine performs some optional adapter diagnostics. If the adapter 310 performs the diagnostics and the adapter 310 finds an error, the FindAdapter routine proceeds to state 1604. Otherwise, if no error was discovered, the FindAdapter routine sends an IRP to the configuration manager 1100 creating a Device Instance for the newly scorching added card .
In a 3rd architectural embodiment of the invention, the I/O platform is plugged in as an choice to regulate non-intelligent devices as are acknowledged by skilled technologists. 15 is one embodiment of a flowchart displaying the method by which an adapter driver locates and initializes a mass storage adapter beneath the Windows NT Operating System within the hot add course of proven in FIG. BRIEF DESCRIPTION OF THE DRAWINGS FIG. 1 is a top-level block diagram exhibiting a fault tolerant computer system of one embodiment of the present invention, including a mass storage adapter and a community adapter.
After finding an adapter 310 on the bus, the SCSI port 1104 returns to seek for extra adapters 310 . Once the SCSI port 1104 configures all the adapters 310, the SCSI port 1104 ends . If no match is found, the configuration supervisor 500 increments the board_num and checks to see if any boards remain to be checked . If boards stay to be checked, the configuration manager proceeds again to state 918. Otherwise, if all the boards have been checked, the configuration manager 500 proceeds to search for the following BAR .
The method as defined in claim 15, wherein the new mass storage adapter is configured to communicate with an Standard Architecture bus. The methodology as outlined in declare 15, whereby restarting communications contains sending an input/output packet from a configuration supervisor to a filter customized device module related to the mass storage adapter. The technique as defined in declare 8, wherein the mass storage adapter is configured to communicate with a Peripheral Component Interconnect bus. The method as defined in declare 8, whereby the mass storage adapter is configured to communicate with an Industry Standard Architecture bus. The methodology as outlined in claim eight, wherein the mass storage adapter is configured to speak with an Extended Industry Standard Architecture bus. 17 is a flowchart illustrating one embodiment of the method by which the configuration manager 1100 suspends and restarts the state of an adapter 310 under WinNT.
With demand for 24-hour entry to critical, server-based info resources, planned system downtime for system service or expansion has become unacceptable. However, varied entities have tried to implement the new plug of these adapters to a fault tolerant computer system. One significant issue in designing a scorching plug system is protecting the circuitry contained on the adapter from being short-circuited when an adapter is added to a powered system. Typically, an adapter contains edge connectors which are located on one side of the printed circuit board. These edge connectors permit power to transfer from the system bus to the adapter, in addition to supplying data paths between the bus and the adapter. These edge connectors match into a slot on the bus on the pc system.
The MSM 504 usually handles all the generic initialization and run-time issues frequent to all drivers. The topology particular module or TSM 506 manages operations which might be unique to a particular media kind. The Hardware Specific Modules are created by each adapter vendor for each type of adapter 308. The HSM 508 contains the functionality to initialize, reset and shutdown the adapter 308. cat 6 cable handles packet transmission and reception to and from every adapter 308.
usb printer cable has created two interfaces for adapter drivers to speak with the NetWare Operating Systems (FIGS. 1 and 4). First, Novell has provided the Open Datalink Interface for community drivers. Second, Novell has created the NetWare Peripheral Architecture for mass storage adapters.
Diagnosing intermittent errors could be a irritating and time-consuming process. For a system to deliver persistently high availability, it must be resilient to these sort of faults. The technique as defined in declare 1, whereby the programmable mass storage adapter is configured to speak with a Peripheral Component Interconnect bus. The technique as outlined in declare 1, whereby the programmable mass storage adapter is configured to communicate with an Industry Standard Architecture bus. The methodology as outlined in declare 1, whereby the programmable mass storage adapter is configured to speak with an Extended Industry Standard Architecture bus. The completion routine then determines whether the consumer has requested to suspend or resume an adapter 310 state .
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