2009/10/13 Amandeep Khurana <[email protected]> > 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. >
I don't know which block is lost... I was doing nothing when the network went wrong~ I have install hbase on the hdfs Does that means I have lost the data in the hbase? > > 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 >
