1. You can force the cluster out of safe mode if its needed. 2. Check if all your datanodes are coming up. Could be that there's some DN that isn't coming up - causing the under reporting of blocks.
On 10/12/09, Eason.Lee <[email protected]> wrote: > There is something wrong with network, so i killed all the hadoop thread buy > "kill -9 pid" > when i try to start hadoop today, it can't leave safemode automatically! > the web ui shows: > *Safe mode is ON. The ratio of reported blocks 0.9951 has not reached the > threshold 0.9990. Safe mode will be turned off automatically. > * * 1849 files and directories, 1826 blocks = 3675 total. Heap Size is 26.69 > MB / 888.94 MB (3%) > *seams someblock is missing > i don't know how to deal with this? > any suggestion ? thx~~~ > -- Amandeep Khurana Computer Science Graduate Student University of California, Santa Cruz
