Bruce Momjian <br...@momjian.us> wrote: > I assume we send a full 8k to the controller, and a failure during > that write is not registered as a write. On what do you base that assumption? I assume that we send a full 8K to the OS cache, and the file system writes disk sectors according to its own algorithm. With either platters or BBU cache, the data is persisted on fsync; why do you see a risk with one but not the other? -Kevin
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