[Gluster-users] What will happen if one file size exceeds the available node's harddrive capacity?

[Yueyu Lin]

I just made the experiment. The answer is no. Distributed-Replicate mode won't split images for application. Application has to split the huge file manually. 
On May 3, 2011, at 4:48 PM, Yueyu Lin wrote:

> Hi, all
>    I have a question about the capacity problem in GlusterFS cluster system.
>    Supposedly, we have a cluster configuration like this:
> 
>    Type: Distributed-Replicate
>    Number of Bricks: 2 x 1 = 2
>    Brick1: 192.168.1.150:/home/export
>    Brick2: 192.168.1.151:/home/export
> 
>    If there are only 15 Giga bytes available in these two servers, and I need to copy a file of 20GB to the the mounted directory. Obviously the space is not enough. 
>    Then I add two bricks of 15GB to the cluster. The structure became to:
> 
>    Type: Distributed-Replicate
>    Number of Bricks: 2 x 2 = 4
>    Bricks:
>    Brick1: 192.168.1.152:/home/export/dfsStore
>    Brick2: 192.168.1.153:/home/export/dfsStore
>    Brick3: 192.168.1.150:/home/export/dfsStore
>    Brick4: 192.168.1.151:/home/export/dfsStore
> 
>    Now I will copy the file again to the mounted directory. In client, it shows it has more than 20GB space available. But what will happen when I copy the huge file to it since every single brick doesn't have enough space to hold it. 
> 
>    Thanks a lot. 
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