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From Harsh J <ha...@cloudera.com>
Subject Re: When rmr and rm strike
Date Wed, 08 Jun 2011 10:39:36 GMT
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 <florinpico@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

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