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Questions tagged [cephadm]

20 questions
8
votes
2 answers

Configure a cluster network with Cephadm?

I configured a simple Ceph cluster with cephadm, like this: cephadm bootstrap --mon-ip 192.168.0.4 ssh-copy-id -f -i /etc/ceph/ceph.pub root@host2 ssh-copy-id -f -i /etc/ceph/ceph.pub root@host3 ceph orch host add host2 ceph orch host add host3 ceph…
Ian Levesque
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4
votes
3 answers

cephadm: Not able to add nodes to ceph cluster (Error EINVAL: Failed to connect to host)

I followed the following steps from https://docs.ceph.com/en/latest/cephadm/install/ to setup a ceph cluster on Centos 8.1 curl --silent --remote-name --location https://github.com/ceph/ceph/raw/octopus/src/cephadm/cephadm chmod +x cephadm ./cephadm…
Shounak
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2
votes
1 answer

Understanding snapshots in Ceph

Our team is currently deciding whether to implement snapshotting on cephfs directories or not, and thus trying to understand the effects and performance issues caused by snapshots on the cluster. Our main concern is "How will the cluster be affected…
NIKHIL KOMMINENI
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1
vote
1 answer

Ceph alertmanager config

I've installed ceph using cephadm Including monitoring stack prometheus, alertmanager, node-exporter Currently I'm trying to add a telegram receiver (Telegram is supported from v0.24.0, so I've manually updated mgr/container_image_alertmanager fro…
SergkeiM
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0
votes
0 answers

cephadm add host use local registry failed

I pushed ceph/ceph:v17 to lcoal docker registry. and tag as astute-tec.com:4000/ceph/ceph:v17 I modify local /usr/bin/cephadm code quay.io -> astute-tec.com:4000; and modify always add '--tls-verify=false' when use podman. this is part I modified. #…
chao-chao
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0
votes
1 answer

cpeh.conf problem deployment with cephadm

I'm new in ceph, when I deploy a cluster using Cephadm and try to change ceph.conf in /etc/ceph/ceph.conf I only have this configuration [global] fsid = d912s59a-27d7-1sd3-9764-43234f266ebd1 mon_host =…
N9186412921
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0
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0 answers

s3 write speed is too slow - is there a way to speed it up?

We are moving from NFS to S3 but I am not happy with the write performance. How can I speed it up ? Are there any configurations to use while moving large files? Now it's around ~10MB/s vs our regular NFS filesystem 200MB/s ie 20 times slower. I am…
Gr8DBA
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0
votes
1 answer

In a Ceph FS setup, how do I order the backup MDS?

I have a CephFS Octopus system running with two active meta data servers (MDS) and seven in standby for any failures. The two active MDS run on more up-to-date machines with more RAM and CPU power, while the backup MDS are on older systems. Of the…
emil
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0
votes
1 answer

cephadm error: add-repo does not have a release file

I follow the instruction in ceph doc But, to summarize, this is why I did. Please note that this error occur with the previous release, such as Pacific and Nautilus. curl --silent --remote-name --location…
vincedjango
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0
votes
0 answers

All ceph daemons container images disappeared on a single node after reconfiguring docker logs driver

I've changed log_driver to "local" in daemon.json docker configuration file, because an high activity level on rados gateway logs had satured disk space. My will was to change to journald to have logrotate. Unfortunately, after restart the docker…
Odysseo
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0
votes
1 answer

Ceph cluster down, Reason OSD Full - not starting up

Cephadm Pacific v16.2.7 Our Ceph cluster is stuck pgs degraded and osd are down Reason:- OSD's got filled up Things we tried Changed vale to to maximum possible combination (not sure if done right ?) backfillfull < nearfull, nearfull < full, and…
Jesvin C Joachim
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0
votes
0 answers

how to fix ceph warning "storage filling up"

i have a cluster ceph and in monitoring tab dashboard show me warning "storage filling up" alertname storage filling up description Mountpoint /rootfs/run on ceph2-node-03.fns will be full in less than 5 days assuming the average fill-up rate of the…
farhad kh
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0
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0 answers

Ceph Octopus 15.2.13 dashboard object gateway not working

I followed the official instruction on the link bellow but the I’m still getting an error on Dashboard « Sorry, we could not find what you were looking for » $radosgw-admin user create --uid=cephusersys --display-name=cephusersys …
Marc Antoine
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0
votes
1 answer

Cephadm orch daemon add osd Hangs

On both v15 and v16 of Cephadm I am able to successfully bootstrap a cluster with 3 nodes. What I have found is that adding more than 26 OSDs on a single host causes cephadm orch daemon add osd to hang forever and no crash. Each of my nodes has 60…
Dean Benson
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0
votes
1 answer

Understanding the mechanism of crush rule in ceph

I would like to know the difference between these 2 rules: # rules rule rack_rule{ ruleset 0 type replicated min_size 1 max_size 10 step take default step chooseleaf firstn 0 type rack step emit } and rule 2rack_2host{ ruleset 0 type…
USR
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