Our old friend, Backblaze, a storage service provider, is back. The quarterly hard disk reliability report is fresh.
As of March 31, BB's 100110 hard disk service Among them, 1922 is the system disk, the boot disk, the remaining 98188 blocks are data disks, the smallest is the 3TB Western Digital WD30EFRX, the largest is the 12TB Seagate ST12000NM0007, and there are 10 Samsung 850 EVO solid state disks.
In general, The annualized failure rate in the first quarter was 1.2%, Ring fell 1.65% from Q4 2017.
Where 4The TB's Seagate ST4000DM000 had the highest annualized failure rate, reaching 2.3%. Specifically, 30,941 units were serviced, and 178 were suspended.
According to BB, the failure rate of 8TB/10TB/12TB HDDs remained at 1.2%, which was good. However, taking into account that most of them were deployed only last year, it may take some time to test.
Finally, reviewing the overall failure situation in the last five years, the highest failure volume is the Seagate ST4000DM000. Of course, the main reason is that it has the largest volume of purchases and the longest time for power-on, totaling more than 30,000.
The model with the highest annualized failure rate is Western Digital WD30EFRX (3TB) , The second highest is Western Digital, the model is WD60EFRX (6TB).
The best overall performance is still HGST and Toshiba However, Western Digital has already stated that it will weaken the HGST brand in the future and use the name of WD (West Digital) as its marketing promotion.
