[Beowulf] Checkpointing MPI applications

Scott Atchley e.scott.atchley at gmail.com
Mon Mar 27 16:27:59 UTC 2023

On Thu, Mar 23, 2023 at 3:46 PM Christopher Samuel <chris at csamuel.org>

> On 2/19/23 10:26 am, Scott Atchley wrote:
> > We are looking at SCR for Frontier with the idea that users can store
> > checkpoints on the node-local drives with replication to a buddy node.
> > SCR will manage migrating non-defensive checkpoints to Lustre.
> Interesting, does it really need local storage or can it be used with
> diskless systems via tricks with loopback filesystems, etc?

Yes, it only needs a mount path. It can be ramfs/tmpfs, xfs (or other local
file system), etc.

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