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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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ceph-deploy: error: unrecognized arguments: --data

I am trying to install ceph and configure on a mounted disk. I have the disk location, however, I face a problem when I use the --data parameter. command: ceph-deploy osd create --data /home/ceph-admin/ceph-data/vda node-ip-address error:…
Abdullah Alsowaygh
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Running CEPH in docker

I have weak DevOps skills and I don't know much about Docker. I need to make Java friends with Ceph. To start, I'm trying to run CEPH in my docker container. I look at Intellij Idea and understand that not all containers are running. My…
maksim2112
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specify more than one endpoint in java s3 api for ceph to connect to ceph cluster?

Hello every one i have just started to get my hands dirty with ceph object storage i.e. radosgateway and for this purpose have spun out a very basic single node ceph/daemon docker container which works perfectly fine for both s3cmd and java s3 API…
JayD
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Set limit on Ceph rgw user usage

I want to limit each user on rgw object gateway (radosgw) usage that gets from radosgw-admin usage show --uid=johndoe --start-date=2012-03-01 --end-date=2012-04-01 Any way that I can set limit on these parameters from usage show command? For example…
Seena Fallah
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Persistent disk redundancy across multiple regions

Is there a way to create a Persistent Disk (disk_a) in one GCP region (us-central1) and maintain a copy(disk_b) in another GCP region(asia-south1)? Is it possible using some Distributed file system like Ceph or GlusterFS or anything else? This is…
Amit Yadav
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Ceph RBD in CoreOS

I am working on a platform which my company can use to host containerized application for out own purposes. We use the following solution: PXE server -> PXE boot CoreOS -> Docker -> Ceph cluster in Docker containers. Everything works great, we have…
Mateusz09
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Error connecting Ceph OSD to cluster in Docker compose

I'm trying to up Ceph object storage on directory with docker-compose. Here is what I have for now: version: '3.7' services: mon: image: ceph/daemon:latest network_mode: host command: mon environment: MON_IP: 192.168.10.68 …
cnd
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Ceph Nautilus : How to enable the Ceph MGR dashboard

I have recently installed Ceph Nautilus. ceph version 14.2.1 (d555a9489eb35f84f2e1ef49b77e19da9d113972) nautilus (stable) I cannot see any "dashboard" module (neither in enabled nor in disabled state). I an checking through "ceph mgr module ls" If…
user1819071
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Able to get basic Rook/Ceph example to work, but all data apparently sits on a single node

Using Rook 0.9.3 I was able to bring up a Ceph-based directory for a MySQL-database on a three-node Kubernetes cluster (1 master, two workers) simply as follows: kubectl create -f cluster/examples/kubernetes/ceph/operator.yaml kubeclt create -f…
rookie099
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When we get a file from Ceph, how does Ceph find all objects of this file?

According to Ceph's documentation, when storing a file into Ceph, it is split into many objects first, and CRUSH will then map each object to a placement group. When we read a file from Ceph, we only input the key to to get the file, how does Ceph…
Fish sec
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Mount rexray/ceph volume in multiple containers on Docker swarm

What I have done I have built a Docker Swarm cluster where I am running containers that have persistent data. To allow the container to move to another host in the event of failure I need resilient shared storage across the swarm. After looking into…
BenCaldwell
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Why my new Ceph cluster status never shows 'HEALTH_OK'?

I'm working on setup a Ceph cluster with Docker and image 'ceph/daemon:v3.1.0-stable-3.1-luminous-centos-7'. But after the cluster has been setup, the ceph status command never reaches HEALTH_OK. Here is my cluster's information. It has enough disk…
zhang
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Ceph: What happens when enough disks fail to cause data loss?

Imagine that we have enough disk failures in Ceph to cause actual loss of the data. (E.g. all 3 replicas fail in 3-replica; or >m fail in k+m erasure coding). What happens now? Is the cluster still stable? That is, of course we've lost that data,…
SRobertJames
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Ceph Installation : The repository 'https://download.ceph.com/debian-{ceph-stable-release} xenial Release' does not have a Release file

I am trying to deploy a Ceph cluster, but got stuck as the ceph-deploy install not succeeding. I am following this documentation for installation. But the ceph-deploy install not succeeding. Its giving the following error : [org-C][ERROR ]…
Subhankar
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ceph df showing available space which doesn't match ceph partition size

I just noticed a backfillfull osd warning in our ceph cluster and there is something really strange in how ceph osd df is showing available space. If I try to look at ceph' storage partition with df -h # df -h | grep ceph /dev/mapper/cl-var_lib_ceph…
Nicko Glayre
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