<p>Yes, that is normal. bitcoind is downloading the blockchain and writing it to disk. When you are syncing, it has to download and write to disk nearly 200 GB of data, so that is going to use a lot of disk I/O.</p>

CC BY-SA 4.0
2018-08-21T19:43:04.520Z
2018-08-21T19:43:04.520Z
Ava Chow
<p>bitcoin daemon always use 99.99% IO, without using the Internet &lt;1mbit
this is normal?
bitcoin-0.16.0
bitcoin-0.16.2
iotop:
 99.99 % bitcoind -daemon [bitcoin-schedu</p>

<p>Debian 8 x64</p>

<bitcoind>
bitcoin daemon use 99.99% io
root2
# bitcoin daemon use 99.99% io

(Asked by: username_0 on 2018-08-21)

bitcoin daemon always use 99.99% IO, without using the Internet <1mbit
this is normal?
bitcoin-0.16.0
bitcoin-0.16.2
iotop:
99.99 % bitcoind -daemon [bitcoin-schedu

Debian 8 x64

**Tags:** bitcoind


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## 1 answers

### Answer by username_1 on 2018-08-21. Score: 2

Yes, that is normal. bitcoind is downloading the blockchain and writing it to disk. When you are syncing, it has to download and write to disk nearly 200 GB of data, so that is going to use a lot of disk I/O.


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