[gpfsug-discuss] Blocksize

Jan-Frode Myklebust janfrode at tanso.net
Thu Sep 22 20:25:03 BST 2016


https://www.ibm.com/developerworks/community/forums/html/topic?id=77777777-0000-0000-0000-000014774266

"Use 256K. Anything smaller makes allocation blocks for the inode file
inefficient. Anything larger wastes space for directories. These are the
two largest consumers of metadata space." --dlmcnabb

A bit old, but I would assume it still applies.


  -jf


On Thu, Sep 22, 2016 at 8:36 PM, Stef Coene <stef.coene at docum.org> wrote:

> Hi,
>
> Is it needed to specify a different blocksize for the system pool that
> holds the metadata?
>
> IBM recommends a 1 MB blocksize for the file system.
> But I wonder a smaller blocksize (256 KB or so) for metadata is a good
> idea or not...
>
>
> Stef
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