Re: Recovering fsImage from Namenode Logs

2012-12-27 Thread Colin McCabe
On Thu, Dec 20, 2012 at 12:33 AM, ishan chhabra wrote: > Unfortunately, the checkpoint image that I have has the deletes recorded. I > cannot use it. I do have an image that is 15 days old, which I am currently > running. > > I looked at the my logs and I have the filename, block allocated and > g

Re: Recovering fsImage from Namenode Logs

2012-12-20 Thread ishan chhabra
Unfortunately, the checkpoint image that I have has the deletes recorded. I cannot use it. I do have an image that is 15 days old, which I am currently running. I looked at the my logs and I have the filename, block allocated and generation stamp. Can you explain to me the importance of the genera

Re: Recovering fsImage from Namenode Logs

2012-12-19 Thread Harsh J
Your NameNode directory, if it still exists, should have a previous.checkpoint/ directory under it where you can extract its previous checkpoint's files and replace the original with that? Ensure its not too old and that things are fine before you eject NN out of safemode finally. What you say is