[Gluster-users] rebalance fix layout necessary

[Nithya Balachandran]

On 4 April 2017 at 12:33, Amudhan P <amudhan83 at gmail.com> 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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