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Questions tagged [ceph]

Ceph is a distributed object store and file system designed to provide excellent performance, reliability and scalability.

Ceph is a distributed object store and file system designed to provide excellent performance, reliability and scalability. Ceph is an project primarily developed by Inktank (a spin-off of , now acquired by .

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605 questions
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ceph gateway not working

I've deployed an 6 nodes ceph storage cluster + 1 admin & 1 monitor. Everything seems fine. I've just created a gateway node and it appears to be fine when I started the ceph-radosgw process: [ceph@gwy001iad ~]$ sudo /etc/init.d/ceph-radosgw…
windonwaters
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How to set Ceph chunk size?

I've read in this article that adjusting Ceph's chunk size can improve its performance. How is that set? This document explains how to set the stripe size. Is that what the first article means by "chunk size"?
Don Branson
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Conditions for "mds cluster is degraded"

I see into Ceph and after running command $ ceph status I meet text "mds cluster is degraded". I try to seek it at official Ceph docs, but nothing find. If I understand correctly, MDS needed for mounting and presenting ceph's data as regular FS. Can…
Lazy Starwing
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failed to start ceph-mon daemon

I have built the ceph source code and make it installed with the following commands: apt-get install a series of dependency packages ./autogen.sh ./configure make make install All these processes went well. When I type: which ceph Console…
Yoyoslx
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CEPH + S3 Java SDK + presigned PUT + CORS = FAIL

I am looking for the magic formula to get CEPH + S3 Java SDK + presigned PUT url + CORS working. We are able to create a bucket and then apply a CORS configuration to the bucket. We are then able to create a pre-generated PUT url that we then send…
hubbardr
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Kubernetes CephFS Volume - Specify FS-Name

i have the following problem: I want to mount different CephFS-Volumes to my pods but I can only mount the first created CephFS. I have different Filesystems in my Ceph: volume1 volume2 etc. Only "volume1" gets mounted all the time, it doesnt…
GE ownt
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how to run digitalocean/ceph_exporter to monitor ceph when ceph is deployed as docker image,not process?

I use digitalocean/ceph_exporter to monitor ceph to report data to Prometheus.Differently Ceph is deployed as Docker image.When I run this cmd: docker run -v /etc/ceph:/etc/ceph -p=9128:9128 -it digitalocean/ceph_exporter, here is…
Joseph Chen
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Is it possible in ceph to let rgw communicate with osd via cluster_network?

my cluster_network has larger bandwidth than public_network but can only be used during osd replication. Is it possible to force rgw to use cluster_network to fetch data from osd? Didn't find any clues in the ceph documentation
Stygian Smash
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Ceph Rados : Facing errors during dependencies installation on Ubuntu

I am getting few errors during dependencies installation step in the install-deps.sh script. Building dependency tree Reading state information... Done E: Unable to locate package ceph-libboost-atomic1.79-dev E: Couldn't find any package by…
Priyanka Salunke
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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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Is there solution for viewing chunks distribution in ceph's pools with erasure code?

According to the picture from this page ceph splits objects on chunks and writes them on osds. For viewing objects distribution with replication algorithm I can use commands like ceph pg dump or ceph osd map. But I can't find commands to view data…
anton_t
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AWS S3 using Ceph how to provide a url for an object

I'm starting to work with AWS SDK S3 with Ceph storage platform, and my server needs to provide a URL to some large objects without getting the objects themselves, but only a URL to access the object. Is there a way to do so withCeph? With AWS S3 I…
Eli Zatlawy
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How to configure artifactory CEPH S3 with Direct Upload Mechanism?

Artifactory: 7.38.8 It works fine with the Eventual Upload Mechanism. I try to change it to the Direct Upload Mechanism, but I cannot upload any file. My binarystore.xml configuration:
AllenLee
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PySpark write data to Ceph returns 400 Bad Request

I have a problem with pySpark configuration when writing data inside a ceph bucket. With the following Python code snippet I can read data from the Ceph bucket but when I try to write inside the bucket, I get the following error: 22/07/22 10:00:58…
Luigi Cerone
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how many volumes can ceph support?

you can use ceph-volume lvm create --filestore --data example_vg/data_lv --journal example_vg/journal_lv to create ceph volume,but I want to know how many volumes can ceph support,can it be infinite?
json zhou
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