Lazy repair with temporary redundancy(LRTR)
Longpan Luo, Yujuan Tan, Duo Liu, Moming Duan, Weilue Wang, Yu Wu, Xianzhang Chen · 2022
Erasure coding has gained popularity in today's storage systems as a low-storage overhead and high-reliability fault-tolerant method. However, it is hampered by the high repair costs. The temporary failures in storage systems amplify this drawback resulting in a lot of unnecessary repair traffic. It leads to a dilemma that traditional repair schemes can not optimize repair traffic and reliability at the same time.