[lustre-discuss] Single server as mds and oss with a single ib card for lustre 2.x???

[Brian Andrus]

Nothing technically wrong with it, but as was discussed previously, not 
much benefit to lustre over other filesystems when using only one OSS/OST.

Any parallelism by lustre by using multiple OSTs in a single box can be 
had with other filesystems (such as ZFS). The main beauty of a 
distributed filesystem is the parallelism among */multiple destination 
servers/*. That's what makes it so scalable.

So, yes, not recommended, but yes can be done. I did it that way just to 
learn lustre long ago.

Brian Andrus


On 11/26/2017 6:41 AM, Amjad Syed wrote:
> Hello
> I know this is not lustre recommended architecture. But the vendor has 
> proposed  us to use single server as mds and oss with one ib card 
> connecting to storage of 120 tb.
> Is it even possible  ? The performance  will go down  but beside 
> performance doea lustre 2.x support this kind of configuration?
>
>
>
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