In my experience I had to edit hdfs and mapred setup on a server with a disk missing.
Tom 2011/5/25 ccxixicc <ccxix...@foxmail.com>: > > Hi,all > I set dfs.name.dir to a comma-delimited list of directories, dir1 is in > /dev/sdb1 dir2 is in /dev/sdb2 and dir3 is nfs derectory. > What happens if /dev/sdb1 disk error, so dir1 cannot be read and write? > What happens if nfs server down, so dir3 cannot be read and write? > Will hadoop ignore the bad directory and use the good directory and continue > server? > Thanks. >