Getting I/O lock error when running with ns-port about hsd HOT 2 CLOSED

@pranay01 this is occurring because you are already running a testnet node which is using ~/.hsd/testnet/ as its data directory. To run another testnet node on the same machine you will need to configure the second node to write to a different directory by using the --prefix flag, e.g:

$ ./bin/hsd --ns-port 5300 --prefix /path/to/dir

Note: replace /path/to/dir with the desired location of the second data directory.

from hsd.

I should also add, you won't be able to run the nodes at the same time unless you change the ports the additional node is listening on.

from hsd.