[lustre-discuss] Experience with resizing MDT

[Colin Faber]

Why wouldn't you use DNE?

On Wed, Sep 19, 2018, 4:49 PM Mohr Jr, Richard Frank (Rick Mohr) <
rmohr at utk.edu> wrote:

> Has anyone had recent experience resizing a ldiskfs-backed MDT using the
> resize2fs tool?  We may be purchasing a small lustre file system in the
> near future with the expectation that it could grow considerably over
> time.  Since we don’t have a clear idea of how many inodes we might need in
> the future, I wanted to consider options that would allow us to potentially
> expand the MDT capacity over time.  (Of course, using ZFS would allow us to
> easily expand capacity, but I do have some concern about metadata
> performance.  Also, we will likely need to use project quotas which as far
> I remember is not available for ZFS at the moment .)
>
> --
> Rick Mohr
> Senior HPC System Administrator
> National Institute for Computational Sciences
> http://www.nics.tennessee.edu
>
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>
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