---
name: "rcopy"
section: "1"
platform: "linux"
package: "rdma-core"
version: "65.0-1"
release: "Arch Linux 2026-11-01"
platforms: ["linux"]
url: "https://new.carta.tech/rcopy"
---

# rcopy(1)

simple file copy over RDMA.

## NAME

rcopy - simple file copy over RDMA.

## SYNOPSIS

```
rcopy source server[:destination] [-p port]
rcopy [-p port]
```

## DESCRIPTION

Uses sockets over RDMA interface to copy a source file to the specified destination.

## OPTIONS

- source

  The name and path of the source file to copy.

- server

  The name or address of the destination server.

- :destination

  An optional destination filename and path.  If not given, the destination filename will match that of the source.

- \-p server\_port

  The server's port number.

- Basic usage is to start rcopy on a server system, then run

  ## NOTES

rcopy sourcefile servername.  The server application will continue to run after copying the file, but is currently single-threaded.

Because this test maps RDMA resources to userspace, users must ensure that they have available system resources and permissions.  See the libibverbs README file for additional details.

## SEE ALSO

[rdma\_cm(7)](/rdma_cm/7.md)