C#: Is the Party Over? Net and C# will be when Vista and Longhorn get released either people will start to adopt. 30% discount on merchandise competitive salary. Fault resilient drivers for Longhorn server. 5535 Resilient Adults Overcoming a Cruel Past. 5554 No-Nonsense Management Tips for Women, Jeannette Reddish Scollard. Tolerating Hardware Device Failures in Software [1] Fault resilient drivers for Longhorn server, May 2004. Microsoft Corp.

Droidjack 4 0 Cracked Rib. Download Presentation PowerPoint Slideshow about 'Fault Resilient Drivers For Longhorn Server' - finola An Image/Link below is provided (as is) to download presentation Download Policy: Content on the Website is provided to you AS IS for your information and personal use and may not be sold / licensed / shared on other websites without getting consent from its author.While downloading, if for some reason you are not able to download a presentation, the publisher may have deleted the file from their server. • Fewer “Severity A, Server Down” support calls • Drivers should contain most HW errors, not bugcheck or hang the system • Shorter support calls • Logging points to offending adapter and driver’s attempts to recover • Support Engineers can more quickly resolve the issue • Fewer shipped bugs and lower ‘fix’ cost • Much more expensive to fix bugs once a product is released • Failures generated by ‘Fault Resilience Test’ are reproducible and occur ‘in house’ • Don’t occur at customer sites, where the problem is very hard to reproduce • Improved customer satisfaction with vendor’s product. • Use KeStallExecutionProcessor() sparingly • Avoid doing so within a loop • Do not call KeDelayExecutionThread() • Unless a guaranteed private thread is used • Never busywait • State transitions should be event driven byinterrupts or periodic polling • Never hold locks or block interrupts for long periods • Be careful of explicit and implicit synchronization objects • Explicit – events, semaphores, mutexes, spinlocks, etc. • Implicit • Reference counts in data structures • Worker threads if they are part of a fixed pool. • All code that accesses the hardware should be changed to check for hardware failure by checking for returned data of all -1s – if present, assume the HW is ‘gone’ • Error recovery should clean up all the pending requests to the storage adapter with NO_HBA status. • If the storage adapter indicates the link is down, call ScsiPortNotification to initiate a timely rescan to detect the lost devices. The same is done when processing link up indications.