Just for experimenting, which are those single host defaults? Maybe these?:
mon_allow_pool_size_one = 1
osd_pool_default_size = 1
Ignacio
El 30/8/21 a las 17:31, Sebastian Wagner escribió:
Try running `cephadm bootstrap --single-host-defaults`
Am 20.08.21 um 18:23 schrieb Eugen Block:
Hi,
you can just set the config option with 'ceph config set ...' after
your cluster has been bootstrapped. See [1] for more details about
the config store.
[1]
https://docs.ceph.com/en/latest/rados/configuration/ceph-conf/#monitor-configuration-database
Zitat von Dong Xie <xied75@xxxxxxxxx>:
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Dear All,
Early days of my venture with Ceph. I understand that one should
have at
least two hosts to truly appreciate the design of Ceph. But as a
baby step
having one playground on a single host is really unavoidable.
My env:
A single Azure VM
Ubuntu 20.04
Installed cephadm via apt per official doc.
ceph version 15.2.13 (c44bc49e7a57a87d84dfff2a077a2058aa2172e2) octopus
(stable)
Issues encountered:
Following steps here: https://docs.ceph.com/en/latest/cephadm/install/
I’ve created a initial-ceph.conf to set /osd crush chooseleaf type =
0/.
1, with cmd like:
sudo cephadm bootstrap --config initial-ceph.conf --mon-ip 10.2.0.4
It seems my config line is simply ignored in the final conf.
I’ve tried “/osd crush chooseleaf type = 0”/ (no underline symbol but
rather space, I doubt if the document is correct).
I’ve also tried “osd_crush_chooseleaf_type = 0” (underline rather
than space).
I’ve tried putting a tab to start the line, or without tab.
My line is always ignored, unless I use --no-minimize-config switch.
2, with above switch and seeing my value set to 0 in conf file, when I
login to the dashboard, looking at Cluster -> Configuration, search
this
item, it shows Default value to 1, Current value empty, means it
doesn’t
really got set?
I’ve tried to search an answer for a while, but didn’t get any hint or
workaround, any help would be greatly appreciated,
Best regards,
Dong Xie
CodeRobin Ltd.
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