>>>>> "Bill" == Bill Davidsen <davidsen@xxxxxxx> writes: >> FWIW, databases on raw disk have gone out of fashion. But it is true >> that applications that do direct I/O need to avoid updating buffers >> in flight. >> Bill> May have gone out of fashion in new applications (I'm not sure I Bill> agree, but as a talking point), I don't believe Oracle supports it anymore. ASM solves this and several other problems. Bill> but there are tons of old apps which are not going to be updated Bill> any time soon, and any number of libraries which mmap stuff and Bill> effect multiple applications. We'll just unmap the page while it's being written out. -- Martin K. Petersen Oracle Linux Engineering -- To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
