A question prompt option must be added, agreed. For your recovery question, did you/do you have the HDFS Trash feature enabled in your cluster?
On Wed, Jun 8, 2011 at 2:20 PM, Florin P <florinp...@yahoo.com> wrote: > Hello! > I'm using the hadoop version from cloudera > hadoop-core-0.20.2-cdh3u1-SNAPSHOT.jar. > Today I've made a mistake. I have deleted my user from HDFS with the > command > hadoop fs -rmr /user/my_user > > No question: are you sure to delete? Are you really sure? > So panic...what to do? How can I recover my lost data? > From the above real scenario, the following improvements and questions can > incur: > 1. Add a question when you are deleting a folder or a file, such as "Are you > sure you want to delete X?" > 2. In order to automate the delete process and surpass the above question, > add an option to pass the answer to it (sometimes you need this feature) > 3. How can recover a deleted "user" with its associated data (in my case > "my_user") > 4. Where goes the data from a deleted folder with the "rmr" otion? > 5. Where goes the data from a deleted folder with the "rm" otion? > 6. How can be recovered (undeleted) the data deleted from question 4 and 5? > > Thank you for your answers. > > Kind regards, > Florin > > > > > > -- Harsh J
