1. 西安微电子技术研究所,陕西,西安,710054
2. 西安艾可萨科技有限公司,陕西,西安,710003
纸质出版:2020
移动端阅览
朱荣臻, 唐磊, 宛霁, 池骋, 水田. 星载存储系统的发展现状与趋势[J]. 微电子学与计算机, 2020, 37(12): 59-63.
ZHU Rong-zhen, TANG Lei, WAN Ji, et al. Development trend of spaceborne storage system[J]. 2020, 37(12): 59-63.
现有星载存储系统面临诸如性能容量不能满足新卫星应用需求、扩展性差以及主备份系统冗余方式带来成本和体积重量倍增等问题.本文通过回顾星载存储系统介质应用历史
结合一些新发射卫星的数据存储技术探索
同时借鉴通用存储领域的技术成果
综述了发展宇航用高可靠SSD控制器技术以及星载存储阵列控制技术的必要性.新的存储系统架构以多级冗余容错机制取代现有的主备份冗余方式
在降低成本及系统体积重量的情况下
能够提供更高的可靠性.而可配置化的容量、性能扩展方式
能够满足从几十G bit到几千T bit的高跨度存储需求.
Spaceborne storage system is a core part of satellite payload subsystem and provides the satellite application data storage features. Due to the bottleneck of system architecture
current spaceborne storage system could not meet the higher performance requirements of some new satellite applications. Meanwhile
weaknesses such as poor expansibility
cost and weight issues caused by redundant backup strategy still exist. This paper reviews the history of the medium usage in spaceborne storage system
refers to new storage technology exploring in several satellites launched in these years
and uses the technological achievements of commercial storage for reference
then analyses the necessities of developing the high reliability SSD controller used in space. A novel spaceborne storage system
which employs the multi-level redundant backup mechanism to replace current master-slave backup method and provides better reliability with lower cost
is discussed. To extend the capability and throughput by means of software configuration
the brand-new architecture could satisfy the need of large-scale storage performance arrange requests and be easy to implement.
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