<p>Someday, my bitcoind was running and I opend another terminal and typed bitcoind on the terminal but, bitcoind which is running was shutdown. so I should have run the first node and have another node connected to the node.
Definitely, I think there is some critical reason that developers set the policy in this case, but I don't know why.</p>

<p>Do you know?</p>

<p>Sorry for my English.</p>

CC BY-SA 4.0
2019-12-20T21:19:57.330Z
I gave a link to a possible other question that may help you do what you're trying to do, but the very short answer to the question as you asked it here is simply that `bitcoind` needs on on-disk database, and if you want to two instances, you'll need to configure them to maintain their databases in separate places.
Pieter Wuille
CC BY-SA 4.0
2019-12-21T05:32:14.033Z
@PieterWuille Thanks :) it helped for understanding.
Hyunsoo
<bitcoind>
Why Bitcoind cannot run simultaneosly?
Hyunsoo
# Why Bitcoind cannot run simultaneosly?

(Asked by: username_0 on 2019-12-20)

Someday, my bitcoind was running and I opend another terminal and typed bitcoind on the terminal but, bitcoind which is running was shutdown. so I should have run the first node and have another node connected to the node.
Definitely, I think there is some critical reason that developers set the policy in this case, but I don't know why.

Do you know?

Sorry for my English.

**Tags:** bitcoind

> **Comments:**
> **username_1**: I gave a link to a possible other question that may help you do what you're trying to do, but the very short answer to the question as you asked it here is simply that `bitcoind` needs on on-disk database, and if you want to two instances, you'll need to configure them to maintain their databases in separate places.  
> **username_0**: @username_1 Thanks :) it helped for understanding.  

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