diff --git a/docs.it4i/general/shell-and-data-access.md b/docs.it4i/general/shell-and-data-access.md index 6a0bcdcfa1685d75c9fbcf30c8c39b764cc849ae..bbf16b6cf0cb728362187661bfe37e1a7436c91f 100644 --- a/docs.it4i/general/shell-and-data-access.md +++ b/docs.it4i/general/shell-and-data-access.md @@ -163,15 +163,15 @@ local $ rsync -r my-local-dir username@cluster-name.it4i.cz:directory The data transfer speed is limited by the single-core ssh encryption speed to about **150 MB/s** Use **parallel rsync** for unlimited transfers -The parallel rsync transfers multiple files at the time, utilizing multiple cores to accelerate encryption. +The parallel rsync transfers multiple files at the time, utilizing multiple rsync processes and cores to accelerate encryption. First, set up ssh-agent single sign on: -``` -console +```console local $ eval `ssh-agent` local $ ssh-add Enter passphrase for /home/user/.ssh/id_rsa: ``` + Then run the rsync in parallel: ```console