I've just received a New Message from Directadmin, entitled as "Backup Abort: A hard link was found under User useame's path". And I've seen a list of files within /home/useame/imap/ directory which seem to be hardlinks.

/usr/bin/jailshell has been installed. Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: centos.cu.be * epel: fedora.cu.be * extras: centos.cu.be * updates: centos.cu.be No package rpcgen available. Error: Nothing to do Downloading mysql/centos7-64.txt... ######################################################################## 100.0% Downloaded file /usr/local/directadmin/custombuild/mysql/centos7-64.txt does not exist or is empty after download cwd is: /usr/local/directadmin/custombuild Fileserver might be down, using the backup file server.. ######################################################################## 100.0% grep: mysql/centos7-64.txt: No such file or directory Downloading mysql/centos7-64.txt... ######################################################################## 100.0% Downloaded file /usr/local/directadmin/custombuild/mysql/centos7-64.txt does not exist or is empty after download cwd is: /usr/local/directadmin/custombuild Fileserver might be down, using the backup file server.. ######################################################################## 100.0% Downloading mysql/jemalloc-3.6.0-1.el7.x86_64.rpm... ######################################################################## 100.0% Downloaded file /usr/local/directadmin/custombuild/mysql/jemalloc-3.6.0-1.el7.x86_64.rpm does not exist or is empty after download cwd is: /usr/local/directadmin/custombuild Fileserver might be down, us