[gpfsug-discuss] gpfs client and turning off swap

david_johnson at brown.edu david_johnson at brown.edu
Fri Nov 8 16:31:20 GMT 2019


We have most of our clients network booted and diskless — no swap possible.  Gpfs still works until someone runs the node out of memory....  

  -- ddj
Dave Johnson

> On Nov 8, 2019, at 11:25 AM, Damir Krstic <damir.krstic at gmail.com> wrote:
> 
> 
> I was wondering if it's safe to turn off swap on gpfs client machines? we have a case where checkpointing is swapping and we would like to prevent it from doing so by disabling swap. However, the gpfs manual admin. manual states to have swap enabled and sufficiently large, but it does not distinguish between clients and IO servers. 
> 
> Let me know when you get a chance.
> 
> Thank you.
> Damir
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