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And, by providing a solution where the drives are accessible, your storage solution can be repaired if a drive fails, or be upgraded to larger capacity storage when you need that. RAID 1 mirrors the content from each drive. This means that when you copy a file onto the drive, it will be duplicated across to the other drive. Although there are two 6TB drives giving a total capacity of 12TB, by using RAID 1 I’ll only have access to 6TB of total storage.
The latest WD Duo is a complete redesign from the previous generation which had existed for a few years. When you pry the top of the My Book Duo, you can see that it uses standard 3.5-inch hard drives that you can easily replace. It includes two WD Red hard drive, which are used for NAS drives. In the future, if I need more storage, I can just replace the hard drives instead of buying an entire external hard drive. It’s more economical and better for the environment. UPDATE: According to Western Digital, the compatible drives are WD Green and WD Red. They do not say that it is compatible with other drives. Currently, the largest desktop drive Seagate makes is a 20TB model. However, with Ironwolf drives with larger capacities now available, these are likely to be introduced to the Seagate Expansion series in the coming months. Having this much capacity sounds like a dream, especially for those using a 4TB external drive or a smaller Duo model. But the dream of having this much space is also, oddly, something of a nightmare.
Performance
One aspect of this design we wish was better is how noisy it can be. The fault-tolerant drives in these units are always doing something even when the drive isn’t in implicit use. Due to the vagaries of write speed on conventional hard drives as they fill and how smaller files slow down transfers, these timescales might be very optimistic in real-world exercises. c. If the MyBook Duo enclosure fails for any reason, a replacement enclosure will read the disks successfully. The data IS NOT LOST.” The new My Book Duo has diverged in one major way from the previous designs; the rather lame ‘Book’ analogy has finally been terminated. A little research reveals that the larger PSU comes with Duo’s of 16TB or bigger, and that infers it might be a bad plan to get a 12TB or smaller Duo and put 22TB mechanisms in it.
The other drive was an old My Book Duo connected through USB 2.0/3.0, so it has much slower transfer speeds and connects through my Kingston Nucleum hub. Setting up the drive for your system couldn’t be easier, just install the software and follow the instructions. It’s also worth considering that even if built incrementally, returning all that data to the host system if it suffered a failure could take days.
Build Quality and Handling
videos and 360 photos can take up a lot of space, especially if you use high quality formats such as Prores or TIFF. I’ve almost filled up two 8TB hard drives and was looking for an external hard drive and chose the WD My Book Duo is an external hard drive with two bays that can each accommodate standard 3.5-inch hard drives. In RAID 1, mirror mode, using CrystalDiskMark 8.04. the drive read at just 118.83 MB/s and wrote at 178.86MB/s, showing that some caching was helping the write performance. Over RAID 0, those numbers increased to 317.43MB/s reads and 281.99MB/s writes. A slightly odd result, but the cap of around 282MB/s writing is only 58% better with both drives over one, and you double the chance of data loss for that extra speed and twice the capacity.
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