The NN is expecting more blocks than that are being reported. The kill must have happened when some file handles were still open and you lost those files/blocks.
Force it out of safe mode and put the data into hdfs again. On 10/12/09, Eason.Lee <[email protected]> wrote: > thx for reply~~ > more info show by fsck > > Status: HEALTHY > Total size: 72991113326 B (Total open files size: 46882304 B) > Total dirs: 820 > Total files: 1019 (Files currently being written: 9) > Total blocks (validated): 1817 (avg. block size 40171223 B) (Total > open file blocks (not validated): 9)(is there anything wrong here?) > Minimally replicated blocks: 1817 (100.0 %) > Over-replicated blocks: 0 (0.0 %) > Under-replicated blocks: 0 (0.0 %) > Mis-replicated blocks: 0 (0.0 %) > Default replication factor: 2 > Average block replication: 2.8233352 > Corrupt blocks: 0 > Missing replicas: 0 (0.0 %) > Number of data-nodes: 4 > Number of racks: 1 > > it seems everything is ok~~ > > 2009/10/13 Amandeep Khurana <[email protected]> > >> 1. You can force the cluster out of safe mode if its needed. >> >> I have tried that. > But when i restart the cluster, it still can't leave the safemode > > 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. >> >> all the datanode is coming up > I have only 4 datanode > > > >> 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 >> > -- Amandeep Khurana Computer Science Graduate Student University of California, Santa Cruz
