[lustre-discuss] Multiple Lustre filesystem

Colin Faber colin.faber at seagate.com
Fri Sep 15 07:48:18 PDT 2017


On Fri, Sep 15, 2017 at 6:54 AM, Ravi Konila <ravibhatk at gmail.com> wrote:

> Hi,
> I have few queries about Lustre File system as I am building new Lustre
> File system for our production use.
> 1. Can I create more than one Lustre file system for example, one Lustre
> file system for /home and other for /scratch ?


> 2. As of now I have created 6 OSTs (total of 128TB storage) under shared
> storage which uses two OSSs, how do I allocate that to different Lustre
> file system if I can create multiple file system?

You will need to partition the storage and assign each storage target to a
different file system name.

> 3. With single MDT can I have multiple Lustre file system?


> 4. Is it better to create multiple MDTs or single MDT would do? (again I
> am using single shared storage with 2 MDS/MGS)?

You can have 1 MGS for multiple file systems, but each file system requires
it's own MDT, and each file system can have multiple MDT's via DNE feature.

> Any help in this regard would be highly appreciated.
> *Ravi Konila*
> Sr. Technical Consultant
> MSIL, India
> Ph: +91 9901072688
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