Hi Chip,
Glad to hear it! From an upstream perspective we've got a pretty good
idea of some of the bottlenecks in the MDS and others in the
OSD/Bluestore, but it's always nice to hear what folks are struggling
with out in the field to challenge our assumptions.
Best of luck!
Mark
On 2/16/21 10:42 AM, Schweiss, Chip wrote:
Mark,
We'll see if the problems follow me as I install Croit They gave a
very impressive impromptu presentation shortly after I sent this call
for help.
I'll make sure I post some details about our CephFS endeavor as things
progress, it will likely help others as they start their Ceph projects.
-Chip
On Tue, Feb 16, 2021 at 9:48 AM Mark Nelson <mnelson(a)redhat.com
<mailto:mnelson@redhat.com>> wrote:
Hi Chip,
Regarding CephFS performance, it really depends on the io patterns
and
what you are trying to accomplish. Can you talk a little bit more
about
what you are seeing?
Thanks,
Mark
On 2/16/21 8:42 AM, Schweiss, Chip wrote:
For the past several months I had been building a
sizable Ceph
cluster that
will be up to 10PB with between 20 and 40 OSD
servers this year.
A few weeks ago I was informed that SUSE is shutting down SES
and will no
longer be selling it. We haven't licensed
our proof of concept
cluster
that is currently at 14 OSD nodes, but it looks
like SUSE is not
going to
be the answer here.
I'm seeking recommendations for consulting help on this project
since
SUSE
has let me down.
I have Ceph installed and operating, however, I've been
struggling with
getting the pool configured properly for CephFS
and getting very
poor
performance. The OSD servers have TLC NVMe for
DB, and Optane
NVMe for
WAL, so I should be seeing decent performance
with the current
cluster.
I'm not opposed to completely switching OS distributions. Ceph
on SUSE
was
our first SUSE installation. Almost everything
else we run is
on CentOS,
but that may change thanks to IBM cannibalizing
CentOS.
Please reach out to me if you can recommend someone to sell us
consulting
hours and/or a support contract.
-Chip Schweiss
chip.schweiss(a)wustl.edu <mailto:chip.schweiss@wustl.edu>
Washington University School of Medicine
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