Renter troubleshooting
There are some common issues that you might encounter when uploading files to Sia, mostly related to stuck or stalling uploads. There are some easy solutions for these issues, as long as you have the right info. We’ll detail what to look for and possible solutions in this document.
siac, the command-line for Sia, is a great way to get information that can help identify your problem. Commands can be run in your preferred CLI, or in Sia-UI by accessing the built-in Terminal from the top menu bar.
Gather general Sia info
Use the command siac. This will print basic info about Sia’s status, focusing on your blockchain sync status, your wallet status, and some info about your renter.
You can use this info to make sure that your wallet is unlocked, that you have enough Siacoins, and check important renter info like your number of files, amount of data stored, and minimum redundancy.
If your wallet is locked, you can’t spend Siacoins. This means you can’t form contracts or renew your allowance. This alone can grind your Sia renting to a standstill.
If you don’t have enough contracts, Sia won’t be able to maintain your data on the network. Contracts should usually be right around 50. If you have too few, your allowance settings might be too strict. Try raising the amount you’re willing to spend on storage and confirm the number of hosts in your allowance settings as this controls the number of contracts.
Get renter-specific info
Use the command siac renter. This will print some info that you saw earlier, but also important allowance info.
You can also run siac renter allowance to get even more detailed allowance info.
You can use this to see if your allowance is large enough to accommodate the amount of storage you’re trying to rent. This might clue you in that you need to raise your allowance or add more Siacoins to your wallet if you don’t have enough to set a proper allowance.
Specifically, look at your Unspent Unallocated amount. If this is reporting very low amounts of Siacoins then the allowance needs to be increased because all the other funds have been locked up.
Use the command siac renter contracts. This will print a long list of your contracts, but importantly will allow you to see your number of active contracts and the total amount of data stored.
The log files
There’s also another important file - the renter.log. This can be found in the /sia/renter/ folder in your Sia data folder. You can use this to search for errors classified as worker or uploadheap.
Worker logs to search for:
This log will tell you how many of your workers are on cool down. Search for `Refreshed Worker Pool`. If too many of your workers are on cooldown then uploads and downloads will be impacted. To find out why and which workers are on cooldown see the log messages directly above this line. There will be a line for each worker.
Uploadheap logs to search for:
Search for Executing. Check to see if this line appears and if so, how often. This will tell you how fast your renter is working through the uploadHeap for repairs. Also, it should always have 250 chunks in it so if that number is not 250 then let the core team know so they can investigate. One edge case is if you are on the last cycle and have less than 250 chunks remaining, or there are just less than 250 chunks that need repair in general.
If this is coming up a lot, this could be an issue. Reach out to a core team member.
Check your root .siadir file:
If you have python installed on your machine:
Here is the aggregate metadata of your filesystem that the repair loop is going to use. If aggregatehealth is <= 0.25 then your system is healthy, if it is > 0.25 then it should be repairing.
If there is a large number of aggregatenumstuckchunks then slow uploads could be because all the work is relying on the stuck loop. In this case, you can try siac renter unstuckall to try and unmark those stuck chunks and allow for the repair loop to pick them up again.
Big things that you want to check for:
Is your wallet unlocked?
Does your allowance have Siacoins in it?
Is your allowance large enough?
Do you have enough active contracts?
Do you have enough total contracts?
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