On Fri, 08 Nov 2019 10:25:24 -0600, Damir Krstic said:
> 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.
GPFS will work just
We don't run diskless systems, but use cgroups where possible to limit the
damage users can do to a node. We derate the node's total usable memory by
2GB (OS) + GPFS pagepool to avoid paging whenever possible.
On Fri, Nov 08, 2019 at 11:31:20AM -0500, david_john...@brown.edu wrote:
> We have most
We run stateless machines today with CentOS 7.x and have run GPFS 4.1.0.8,
4.2.3.x, and 5.0.x. We don’t use swap either in most cases, and have never
needed to do anything special for that. We’ve generally needed to rig
ExecStartPre stuff in systemd in order to make sure that the machines could
For those of you going to (or planning on going) to the User Group meeting at
SC19, here is some important updates:
You should pre-register here:
https://www.spectrumscaleug.org/event/spectrum-scale-user-group-meeting-sc19/
Box Lunches: Thanks to the generous supports of Mark III Systems and
Thanks - that's what I thought. We also (many refreshes ago) ran diskless
images with RedHat 6 and GPFS 3.4 and ran into no issues with having swap
off. I figured to ask in case something has changed with the Spectrum
Scale.
Damir
On Fri, Nov 8, 2019 at 10:31 AM wrote:
> We have most of our
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 wrote:
>
>
> I was wondering if it's safe to turn off swap on gpfs client machines?
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
