jes...@krogh.cc wrote:
: Hi.
:
: We're currently co-locating our mons with the head node of our Hadoop
: installation. That may be giving us some problems, we dont know yet, but
: thus I'm speculation about moving them to dedicated hardware.
:
: It is hard to get specifications "small" engough .. the specs for the
: mon is where we usually virtualize our way out of if .. which seems very
: wrong here.
:
: Are other people just co-locating it with something random or what are
: others typically using in a small ceph cluster (< 100 OSDs .. 7 OSD hosts)
Jesper,
FWIW, we colocate our mons/mgrs with OpenNebula master node and minor
OpenNebula host nodes. As an example, one of them is AMD Opteron 6134
(8 cores, 2.3 GHz), 16 GB RAM, 1 Gbit ethernet. We have three mons.
I want to keep this setup also in the future, but I may move the
OpenNebula virtualization out of mon hosts - not because the hosts are
overloaded, but they are getting too old/slow/small for the VMs themselves :-).
We have three mons with a similar configuration.
-Yenya
--
| Jan "Yenya" Kasprzak |
| http://www.fi.muni.cz/~kas/ GPG: 4096R/A45477D5 |
This is the world we live in: the way to deal with computers is to google
the symptoms, and hope that you don't have to watch a video. --P. Zaitcev
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