The hard drive usage is very high

Node Operators troubleshooting
6

Could you please search for FATAL/Unrecoverable error somewhere earlier in your logs?
You may use the PowerShell:

sls "FATAL|Unrecoverable" "C:\Program Files\Storj\Storage Node\storagenode.log" | select -last 10

You likely have a readability or writeability check timeout. This is usually mean that the disk is too slow to read or write a small file. There are several ways to improve the speed of the disk:

  1. Perform a defragmentation
  2. disable atime: [Solved] Win10 20GB Ram Usage - #17 by arrogantrabbit
  3. NTFS Disable 8dot3name
  4. Add more RAM
  5. Use tiered storage and add SSD as a cache