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Thursday, July 09, 2020
Good affordable drive.
Recent news has come to light that these drives use SMR technology. SMR is NOT suitable for NAS applications which this product marketed for. SMR appears to be used on all drives with part numbers ending in FAX.
I haven't encountered an issue yet with these drives, but I have deep concerns about what would happen if I needed to rebuild a RAID. My concerns are compounded at the fact that these drives are being used for a mass back up solution. Had I known that SMR was used, I would not have purchased them for my application.
Friday, June 12, 2020
I know there is a previous review indicating the poor performance of these drives in a NAS unit. I am no NAS expert per se, however I have been running these (4TB) in a Raid 50 array for the last roughly 3 years. They have performed exceptionally.
I have had one failure in the array over that time, I have loaded a new drive in and it rebuilt (currently an array of 12TB of storage) in roughly 8 hours.
I then recently upgraded all of my drives to 6TB to increase the storage capacity of the unit. I hot swapped one drive at a time, letting the array rebuild between each. It always initially indicated roughly 14 hours to complete the rebuild per drive and then completed between 8 and 9 hours. Again, the performance and reliability has been exceptional. While I would not recommend buying a pre-build Western Digital NAS unit, their RED drives are perfect for the job.
Monday, June 01, 2020
These 4 and 6TB drives use SMR recording technology which is not fit for NAS purposes. Without going into detail, they can cause extremely long rebuild times (9+ days tested by Serve the Home), leaving your array/data at risk during that whole time. The evidence is out. Memory Express, it's not your fault but you really owe it to your customers to at least warn them about the issue.