Solana is back online after suffering an outage on Friday night that stopped the blockchain from processing transactions.
The issue appeared to be caused by a misconfigured node, or a computer running Solana software necessary for the network to run, according to Stakewiz, a Solana validator operator.
This isn’t the blockchain’s first major outage or issue. This year alone, Solana has dealt with multiple outages, degraded performance, and network instability. In September 2021, Solana went offline for almost 18 hours.
Solana didn’t immediately respond to Fortune’s request for comment.
The Solana mainnet network will be restarted at slot 153139220, the last confirmed slot.
It appears a misconfigured node caused an unrecoverable partition in the network.
Validators, please participate in finding consensus on the relevant data.
— Laine stakewiz.com (@laine_sa_) October 1, 2022
The Solana Status Twitter account acknowledged the latest issue at 8:45 p.m. ET on Friday, and at 3:04 a.m. ET on Saturday, noted that validator operators had “successfully completed a cluster restart” of the Solana mainnet.
Validator operators successfully completed a cluster restart of Mainnet Beta at 7 AM UTC.
Network operators an dapps will continue to restore client services over the next several hours.
— Solana Status (@SolanaStatus) October 1, 2022
While “analysis is still ongoing,” Stakewiz tweeted, “the offending validator appeared to be running a duplicate instance, and both their instances produced a block.”
This caused an “obscure code path where validators were unable to switch back to the heaviest (main) fork. Validators were ‘stuck’ on the wrong fork and unable to get to the winning one.”
However this fork, in relation to being a duplicate block (something the code detects and handles) caused an obscure code path where validators were unable to switch back to the heaviest (main) fork.
Validators were “stuck” on the wrong fork and unable to get to the winning one.
— Laine 
stakewiz.com (@laine_sa_) October 1, 2022
As prominent crypto critic Molly White points out in her blog “Web3 is going just great,” “it’s a bit startling that, in a supposedly decentralized network, one single node can bring the entire network offline.”
Originally published at Sydney News HQ
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