Hi,
From what I can remember there is a bit of a difference if you have OSD
daemons on SSD or HDD and their capacity... If you have the OSD daemons on
HDD the recommendation is to have a bit more than 1G of RAM. If you have
OSD on SSD disk then 1G of ram is the minim recommendation ...
Best regards,
Bogdan.
On Tue, Jul 9, 2019 at 7:55 PM Sebastian Wiesner <
sebastian.wiesner(a)tu-dresden.de> wrote:
Hi community,
we’re designing our first Ceph cluster here and we’re struggeling with the
MON (and also MDS) nodes RAM recommendations. It sais „like 1GB per daemon
instance“, but what daemons are meant here? The range is from per MON (MDS)
daemon, which would be fairly low, to per OSD daemon, which would be fairly
high. Any help would be appreciated.
Kind regards
Sebastian
--
Sebastian Wiesner
IT-Systemadministrator / Application Developer
Department of Operative Processes and Systems (OPS)
Dresden University of Technology
Center for Information Services and High Performance Computing (ZIH)
D-01062 Dresden, Germany
phone: +49 351 463-37828
fax: +49 351 463-32164
e-mail: sebastian.wiesner(a)tu-dresden.de
WWW:
http://www.tu-dresden.de/zih
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