Rapid Recovery From Downtime Of Mirrored Storage Device

作者: Kothanda Umamageswaran , Jia Shi , Zuoyu Tao , David Friedman , Alex Tsukerman

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摘要: No-loss rapid recovery performs resynchronization efficiently while concurrently allowing availability to mirrored data on the storage device. has two stages and involves devices that have both a non-volatile cache primary operate as mirror buddies. The first stage is referred herein buddy-retention stage. During stage, writes are not performed offline buddy but online buddy. changed in retained of retention next In this by for no-loss used resynchronize device resynchronized using

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