Re: rebalance fix layout necessary

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On 4 April 2017 at 12:33, Amudhan P <amudhan83@xxxxxxxxx> wrote:
Hi,

I have a query on rebalancing.

let's consider following is my folder hierarchy.

parent1-fol (parent folder)
              |_ 
                 class-fol-1 ( 1 st level subfolder)
                               |_ 
                                  A ( 2 nd level subfolder)
                                   |_
                                      childfol-1 (child folder created every time before writing files)


Now, I have a running cluster with 3.10.1 with disperse volume and I am planning to expand cluster by adding bricks.

will there be a problem using newly added bricks without doing a "rebalance fix layout" other than existing files cannot be rebalanced to new brick and files created under existing folder will not go to new brick?.

I tested above case in my test setup and observed files created under new folder goes to new brick. and I don't see any issue on listing files and folder.

so, My case is we create child folder every time before creating files.

The reason to avoid rebalance is I have more than 10000 folders across 1080 bricks. so triggering rebalance will take a long time and in my previous expansion in 3.7 was not able to access some folders randomly until fix layout completes.


It sounds like you will not need to run a rebalance or fix-layout for this. It should work fine.

Regards,
Nithya

regards
Amudhan



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