林林林呀 wengjianlin
曾经那些念念不忘的事情,
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监控紫盘做用于常规桌面存储问题。。。(引用官网信息) 在官方网站找到如下信息: because of the different firmware used for the WD Purple HDDs. Having in mind that said firmware has for that kind of usage (having in mind ATA streaming commands), you should know that the idea behind that type of commands is that in these cases, keeping the write rate is prioritized instead of having every single byte of data in a perfect condition. This is OK and it might not even be noticeable if it ever happens with a video (especially having in mind WD Purple’s optimization for video surveillance usage with high quality results). Basically that means that the device will transfer the requested amount of data from the host within the time specified, even if an error occurs. So for other type of usage, this could result in a corrupted file, while in video streaming, you won’t lose the constant write flow and thus lose the whole video and the end result will be a full video file. 翻译原文: 由于用于 WD Purple HDD 的固件不同。 考虑到所述固件具有这种用途(考虑到 ATA 流命令),您应该知道这种类型的命令背后的想法是,在这些情况下,优先保持写入速率而不是每个字节 数据处于完美状态。 这是可以的,如果它发生在视频中,它甚至可能不会引起注意(特别是考虑到 WD Purple 对视频监控使用的优化和高质量结果)。 基本上这意味着即使发生错误,设备也会在指定的时间内从主机传输请求的数据量。 因此,对于其他类型的使用,这可能会导致文件损坏,而在视频流中,您不会丢失恒定的写入流,从而丢失整个视频,最终结果将是一个完整的视频文件。 监控紫盘固件优先保证速度,不能保证每个字节完美,(是否没有校验)? 它发生在视频中,少量字节丢失它甚至可能不会引起注意, 如果发生在数据文件中呢? 一字节丢失,后果都是很严重的。。。。
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