Yes, you can rely on replication for this (run nodetool repair). On Mon, May 17, 2010 at 10:39 PM, Ma Xiao <max...@robowork.com> wrote: > Hi all, > Recently we have a 5 nodes running cassandra, 4 X 1.5TB drives for each, > I installed os(Ubuntu 9.10 Server Edition) on one of them, and make entrie > disk as 1 partition for others, then I put 4 paths with DataFileDirectory, > my question is what's going to happen when one of the disk fail, especialy > the one has os installed which also holds the commit log? can we simply > replace the disk, and cassandra will get the replica write back? or it > should be deal with as entire node faile(wipe all date on the node and > rejoin the ring), that will involve mass data copy from other node but we > have just one disk fail. Note, we dont have hardware level raid installed. > Any suggestion?
-- Jonathan Ellis Project Chair, Apache Cassandra co-founder of Riptano, the source for professional Cassandra support http://riptano.com