您怎么在Filecoin的去中心化存储网络上避免信息遗失的发生?


  • administrators

    Filecoin专为高冗余,高可用性和高地理复制的存储而设计。没有人能够应付数据丢失的所有情况,但我们可以通过鼓励高度复制,主动修复损坏以及使矿工失败成本高昂来大幅提高成功的可能性。

    Filecoin以冗余方式将数据存储在多个存储矿工上。如果其中一个矿工丢失了文件,他们就会失去其抵押品(作为未能履行交易的支付费用),并且一名新矿工会被自动雇佣来存储该文件的另一个副本。通过这种方式,Filecoin网络有望自我修复,并随着时间的推移修复损坏。这在某些方面与今天的专业云存储提供商的工作方式相似,但多了一个可以在多个存储提供商之间的修复功能。

    在Filecoin网络上,客户可以调整其数据复制的次数,也称为复制因子(或擦除编码),以更高价格来实现更高级别的数据冗余和安全性。复制默认值将被仔细选择以提升安全存储能力和降低数据丢失的风险。客户可以调整这些默认值,以不同的成本实现更高(或更低)的冗余和安全级别。

    此外,我们预计声誉系统的产生。我们希望客户节点能够运行软件来了解存储矿工过去工作表现并有望雇佣到更可靠的矿工。


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  • X

    It shouldn't be a significant centralization risk. The costs of buying your own GPUs or starting a new outsourced proving service will be pretty low. Even if many people decide to use third-party provers, there should be a competitive and well-distributed market.

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  • X

    We're working really hard to reduce sealing and proving costs. We really want to support smaller miners, but not at the cost of security. It's always possible to make things faster and cheaper through later optimizations, but it's hard to make things more secure.

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  • X

    Why here! We will make this customizable, right now in lotus its set to some pretty big value. We might even make a special mode for 'filler storage', storage youre adding just for power that doesnt have any real deals associated with it.

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  • X

    Details around faults and recovery can be found in the spec (https://github.com/filecoin-project/specs/). The protocol will accommodate both realistic operational needs for good miners and service providers, while maintaining the security of the protocol and Quality of Service for Clients' data. Having a data storage service offline is not good for Clients, and are not good for the service. At the same time, temporary power failures happen, and the protocol needs to accommodate them to some extent. As we get closer to mainnet, we will set cryptoecon parameters and policies, and we will explain them clearly for everyone.

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