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It is believed that many inexperienced people have no idea about how to operate the Filecoin node without losing the power of calculation. Therefore, this paper summarizes the causes and solutions of the problem. Through this article, I hope you can solve this problem.

The power of loss is a comprehensive problem, which is caused by many reasons, and the existing problems need to be carefully investigated.

What does WindowPost do?

The cycle of WindowPost is one day, and 48 Window are divided. When it is proved, all sectors in each partition will be replaced and 10 leaf routines will be removed for calculation and verification. Therefore, WindowPost has strict requirements on the expected network, storage performance, lotus outage status and even the performance of .lotusminer storage hard disk, and a little carelessness will lead to the loss of computing power.

How to configure to avoid miscalculation

2.1 Asynchronous synchronization

For WindowPost, it is necessary to keep the node block chain up-to-date before verification can be carried out on time. Use the command lotus sync wait to view the height difference with the main network.

If you find that the connection quality of the routine is poor, you can consider solving it from the following two aspects:

The longer the asynchronous synchronization of / .lotus / datastore/chain, the folder will appear, and when the folder is too large, the synchronization status of the counter will become worse, so we need to crop the snapshot regularly in the process of operation and maintenance.

Configuring the public network ip to the above daemon method can also make upstream synchronization more stable. For the specific operation methods of the above two methods, you can refer to the document "Lotus interrupt operation and common problems".

2.2 Storage and network performance at WindowPost

Before WindowPost calculation, it is necessary to extract data from the storage machine and spot-check at most two more than two thousand sectors at a time. If the data is still being encapsulated at the same time, then the whole shift storage and network pressure will become very great. At this time, we need enough performance testing methods for storage and network, which can refer to WindowPost for data extraction. For the performance test methods of storage and network, please refer to the document "Filecoin storage management, storage I / o performance analysis, network analysis". According to your medium network and storage performance test results, you can choose to upgrade to the Miner configuration file config.toml and modify the value of ParallelFetchLimit, which indicates the number of sectors that can be written to storage at the same time. 1GB / s, then assuming that the transmission rate of worker is 200m / s, it is recommended that the parallelFetchLimit value be set to 4 to leave performance space for WindowPost data transfer and reading.

2.3 WindowPost Computing

It is recommended to use AMD CPU calculation speed conversion in the calculation of Merkel tree, and GPU will be used in the zero knowledge proof part. It is recommended to use two plug-ins with 2080Ti or above.

2.4 SubmitWindowedPoSt message sending

After the data proof calculation is completed, the conversion result is sent to the chain through a message. If the message is inserted at this time, the balance of the wallet is insufficient or the configuration fee is insufficient to pay for the message fee, the message will not be sent to the chain in time, and the computing power will still be lost.

Set up the WindowPost stand-alone wallet.

Even if a new independent wallet is used to send WindowPost messages, the wallet only uses the deduction of WindowPost messages, so that WindowPost messages cannot be sent because of the insertion of precommit and prove messages.

Create a new wallet address and insert enough Fil into the wallet (more than 20 are recommended): lotus wallet new bls

Set the wallet address to the WindowPoSt message address:

Lotus-miner actor control set-- really-do-it + newly generated wallet address

You can use the command to check whether the setting is successful. If the wallet address you just set displays "post", it means the setting is successful:

Lotus-miner actor control list-verbose

Make sure the Post wallet, Miner wallet has too much balance.

It is recommended that Post wallet maintain more than 20fil, Miner wallet maintain more than 10fil, Miner wallet balance can be checked using the lotus-miner info command, if the Miner wallet balance lotus send fxxxxxx 10 insufficient can be used to transfer, fxxxxxx for the routine number, the number 10 for the transfer amount, here you can replace with you need to transfer the routine number and amount.

After reading the above, have you mastered the method of how to operate the Filecoin node without losing the power? If you want to learn more skills or want to know more about it, you are welcome to follow the industry information channel, thank you for reading!

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