This section explains operations when an error occurs on a development server.
If any of the errors listed below occur on a development server, the MapReduce application will stop and jobs being executed may be interrupted.
System error
Public LAN network error
iSCSI network error
If an error occurs on a development server, check the system log of the development server and remove the cause of the error.
If a serious error has occurred on the development server, requiring a server to be rebuilt, perform a restore on the development server and recover the server.
Refer to "14.2.1.1 Restoring a Master Server, Development Server, or Collaboration Server" for information on the procedure to restore the development server.
Point
Prior to performing a restore, a backup of the development server must be created when it is running normally.
Refer to "14.1.2.1 Backing Up a Master Server, Development Server, or Collaboration Server" for information on the procedure to back up a development server.
