Re: datanode down, disk replaced , /etc/fstab changed. Can't bring it back up. Missing lock file?

2014-10-05 Thread Colin Kincaid Williams
I could find no lockfile on the datanode, in any of the data dirs... Therefore I cannot try the suggested fix On Fri, Oct 3, 2014 at 9:14 PM, Pradeep Gollakota pradeep...@gmail.com wrote: Looks like you're facing the same problem as this SO.

datanode down, disk replaced , /etc/fstab changed. Can't bring it back up. Missing lock file?

2014-10-03 Thread Colin Kincaid Williams
We had a datanode go down, and our datacenter guy swapped out the disk. We had moved to using UUIDs in the /etc/fstab, but he wanted to use the /dev/id format. He didn't backup the fstab, however I'm not sure that's the issue. I am reading in the log below that the namenode has a lock on the

Re: datanode down, disk replaced , /etc/fstab changed. Can't bring it back up. Missing lock file?

2014-10-03 Thread Pradeep Gollakota
Looks like you're facing the same problem as this SO. http://stackoverflow.com/questions/10705140/hadoop-datanode-fails-to-start-throwing-org-apache-hadoop-hdfs-server-common-sto Try the suggested fix. On Fri, Oct 3, 2014 at 6:57 PM, Colin Kincaid Williams disc...@uw.edu wrote: We had a