Using the web interface, you can browse the data on individual data nodes, so that is one (manual) way of doing it without powering off any machines.
Kind regards, Peter Sankauskas On Sun, Feb 28, 2010 at 4:57 PM, Mag Gam <magaw...@gmail.com> wrote: > I just setup my first hadoop cluster with 5 nodes. What is the best > way to check if replication is really working? I assume the best way > is to power down 2 nodes and see if I can still reach my data? > > Or are there any others ways? > > TIA >
