Why not go to the next step and use a second cluster as the backup?
On 5/16/08 6:33 AM, "Robert Krüger" <[EMAIL PROTECTED]> wrote: > > Hi, > > what are the options to keep a copy of data from an HDFS instance in > sync with a backup file system which is not HDFS? Are there Rsync-like > tools that allow only to transfer deltas or would one have to implement > that oneself (e.g. by writing a java program that accesses both > filesystems)? > > Thanks in advance, > > Robert > > P.S.: Why would one want that? E.g. to have a completely redundant copy > which in case of systematic failure (e.g. data corruption due to a bug) > offers a backup not affected by that problem.
