Questions tagged [ceph]

Ceph is a unified, distributed storage system designed for reliability and linear scalability.

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Setting up Ceph ISCSI with Cephadm - iSCSI gateways show down in ceph dashboard, unable to manage targets - how to troubleshoot?

I am attempting to set up a 3 node Ceph cluster using Ubuntu server 22.04LTS, and the Cehpadm deployment tool. 3 times I've succeeded in setting up ceph itself, getting the cluster healthy, and OSDs ...
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ceph stuck in active+remapped+backfill_toofull after lvextend an OSD's volume

I have a 2 OSDs ceph cluster. The initial size of backing volumes was 16GB. Then I shutdown OSDs, did a lvextend on both, and turn OSDs on again. Now ceph osd df shows: But ceph -s show it's stucked ...
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dpkg error when trying to install ceph-deploy

I can't install ceph-deploy on Ubuntu 20.04.2 LTS. When I try: apt install ceph-deploy I get this: dpkg: error processing archive /var/cache/apt/archives/ceph-deploy_2.0.1-0ubuntu1_all.deb (--unpack):...
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Error while installing packages with ceph-common on Ubuntu 20.04

qwerty@hello:~$ sudo apt install vim Reading package lists... Done Building dependency tree Reading state information... Done vim is already the newest version (2:8.1.2269-1ubuntu5). 0 upgraded,...
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453 views

How can I solve 'Illegal instruction' crashes with on a Raspberry Pi with Ubuntu Server 21.04

I am trying to setup a Ceph cluster on a bunch of Raspberry Pi 4 machines (8Gb memory). Unfortunately, during the installation of the cluster, I get illegal instructions: /usr/bin/ceph-osd --cluster ...
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Charmed K8s - Volume not created by Ceph storage class

I've deployed an on premise baremetal K8s Cloud with charmed Kubernetes. And I use Ceph for the storage. The deployment of the cluster went well but when I want to create a Volume (via a PVC) the ...
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2 votes
1 answer
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Problem deploying ceph. install ca-certificate error

As the title says I'm having problems deploying Ceph to any of my clients. The Error message is as follows.... Ceph error
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Trying to setup Ceph

I am trying to set up Ceph on my Ubuntu server for my Dissertation work. I'm trying to set things up so that the Ceph user can access all the Ceph nodes without needing a password, however my ...
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190 views

ceph health warm message on 19.04

I command ceph-deploy mgr create node1 cluster: id: cb144140-f41a-464a-a834-d7817785e149 health: HEALTH_WARN 3 modules have failed dependencies services: mon: 1 daemons, ...
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2 votes
1 answer
318 views

connect esxi to ceph

I want to connect ceph to esxi My version of ceph is mimic. I've searched a lot and found this My health of ceph is OK. I want to know how can I install iscsi gateway on my ceph Thanks a lot
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Openattic installation for ubuntu 16.04

Can anybody share any reference regarding how to install openattic 3.7 in ubuntu 16.04 if ceph cluster is deployed with ceph-deploy?
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3k views

ceph-osd No block devices detected using current configuration

After the deploy of Openstack via Juju the ceph-osd results in blocked $: juju status ceph-osd/0 blocked idle 1 10.20.253.197 No block devices ...
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juju ceph-mon is in error state after servers reboot. hook failed: "config-changed"

I have successfuly setuped openstack 10 days ago. Today I rebooted serves and got next: ceph-mon/0 maintenance executing 1/lxd/0 10.2.200.44 hook failed: "config-changed" ...
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1 vote
0 answers
267 views

Unable to Launch instance using ceph boot volume

I have deployed Openstack Base bundle cs:~openstack-charmers-next/bundle/openstack-base-xenial-ocata-0 which deploys ceph as storage backend. https://jujucharms.com/u/openstack-charmers-next/openstack-...
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2 votes
1 answer
2k views

Configuring Ceph VFS on Samba

I'm trying to share out a CephFS filesystem via Samba using the vfs module, but the instructions I can find are all pretty minimal and nothing I have tried works. So far, I have an entry in my smb....
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ceph-osd remains in "blocked" state during juju openstack-base charm bundle installation

I'm new to openstack and juju, trying to install it on a few test machines. I've tried using conjure-up openstack as well as the regular juju charms bundle, unsuccessfully. The farthest I've gotten, ...
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trying to optimize Ceph CRUSH settings to optimal

I'm using Ubuntu 16.04 on all my ceph servers and the ceph client machines. I'm using Ceph jewel release 10.2.3. I'm trying to update/tune the ceph crush variables to optimal: ceph osd crush tunables ...
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How to setup web service cluster using MAAS and JUJU

I have 5 physical servers. The first server has been designated for MAAS and has MAAS 2.0.0 installed and running. The other 4 servers have been commisioned and ready in MAAS. What I would like to ...
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No throughput, but download locks up ssh session.

So this is really odd to me. First, I guess, here is my setup: root@kh13-9:/var/log/radosgw# cat /etc/*release* DISTRIB_ID=Ubuntu DISTRIB_RELEASE=14.04 DISTRIB_CODENAME=trusty DISTRIB_DESCRIPTION="...
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1 vote
1 answer
1k views

which storage scenario to choose with openstack? Ceph cluster, or SAN

We are building an OpenStack cloud in my organization. My original plan was to work with a Ceph cluster as back-end for Cinder, Glance and Swift. But we have a Dell SC series SAN in the datacenter ...
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2 votes
1 answer
981 views

mount cephfs did't work after reboot

I added this line: 10.10.10.10:6789:/ /mnt/ceph ceph name=admin,secretfile=/etc/ceph/secret.key,noatime 0 2 to /etc/fstab in all of my nodes and executed "mount -a" and works good ...
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1 answer
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Ceph drive failure and replacement procedure

In my OpenStack deployment I'm using Ceph for block and object storage, which is reporting a healthy status. However, one of the hard drives is displaying a SMART error. I don't remember the exact ...
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16 votes
3 answers
5k views

Is there a way for MaaS to Commission a Raspberry Pi 3B?

I have a small lab (literally) of 3 RBP-3B units with SATA and SD drives attached running Ubuntu 16.04 LTS. I have installed software on them to create a Ceph cluster but its tricky and pretty ...
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ceph cluster got created, OSDs got initialized, but total cluster space shows 0 bytes available

I am trying to create a ceph cluster. I've installed ceph on 3 computers and added their names to hosts files. Created passwordless ssh login. Installed and configured ntp server and checked, that all ...
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have problem with ceph fs mount

I want to mount CephFS with the kernel driver, but when I execute this command on my admin node mount -t ceph 192.168.0.164:6789:/ /mnt/mycephfs The admin node hangs! and I have to reset my machine. ...
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2 answers
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ceph fs mount error

I want to mount ceph fs with the kernel driver, but when I excute below command on my admin node mount -t ceph 192.168.0.164:6789:/ /mnt/mycephfs it return below error mount error 5 = Input/output ...
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4 votes
2 answers
791 views

OpenStack MAAS second hard disk recommendation?

I am a newbie when it comes to OpenStack with MAAS and AutoPilot. I would like to create my own private cloud with Ubuntu 14.04LTS and MAAS 1.9. My goal is to have a decent set up I can use to ...
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191 views

How does the block-device config setting on the LXD Juju charm work?

I am deploying Openstack using the Juju Openstack LXD bundle. With this bundle block storage is provided by a Ceph cluster. The LXD charm has a block-device config setting that defaults to /dev/sdb....
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886 views

Missing ceph vfs module for Samba

I am trying to use the samba ceph vfs module. I installed samba-vfs-modules but the ceph.so module doesn't show up in /usr/lib/x86_64-linux-gnu/samba/vfs/ This mailing list post would seem to ...
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Clarification needed on Juju deployment of the Ceph charm

I have 3 servers that I want to use as a storage cluster in a PoC Openstack set up. Each server has a small /dev/sda for the OS, etc. and a large /dev/sdb I hope to use as storage by Ceph. I can ...
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1 vote
1 answer
437 views

ceph version on ubuntu ports repository for armhf [duplicate]

I'm trying to install the lastest version of ceph on my armhf platform. I have already updated my installed release of ubuntu to the latest development of Xenial. problem is, everytime i check, i ...
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ceph-radosgw charm with ssl

Is there a way to setup juju's ceph-radosgw to use HTTPS (using only charms)? I had a look at haproxy (to do SSL-offload), but haproxy doesn't seem to have a way of giving it a VIP or name to listen ...
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2 votes
1 answer
152 views

Can autopilot use an existing Ceph cluster?

If I already have an existing Ceph cluster, can Autopilot build an OpenStack cloud that makes use of it? Or does Autopilot want to set the whole thing up itself?
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3 answers
1k views

How to pass the command "--overwrite-conf" in ubuntu terminal?

Please see my screenshot below:
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2 votes
2 answers
3k views

error while installing ceph storage cluster quick start on Ubuntu

I am facing the following errors: [ceph_deploy.mon][ERROR ] RuntimeError: config file /etc/ceph/ceph.conf exists with different content; use --overwrite-conf to overwrite [ceph_deploy][ERROR ] ...
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1 answer
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Can bundle https://jujucharms.com/openstack-base/39 be used for ppc64el environment

Introduction My IBM team is about to finish setup of 4 server VMs and the maas (and juju) deployment server. The next step is to build out the OpenStack-Base (39) environment via juju as specified ...
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2 votes
0 answers
49 views

Ceph cannot reformat because disk is mounted

I am using MaaS 1.8, trying to use the juju-deployer with juju-deployer -c config.yaml -d vivid-kilo -e envName Here is my config. http://pastebin.com/TsvdnSKA Here is the error output: http://...
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3 votes
1 answer
880 views

Installing Ubuntu OpenStack requires at least five machines with two disks, two of which have two network interfaces. Why?

Installing Ubuntu OpenStack requires at least five machines with two disks, two of which have two network interfaces (NICs). Install Ubuntu Server on one of the machines with two interfaces. Why do I ...
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1 vote
1 answer
275 views

Ubuntu 14.04.2 ceph upgrade to Ceph 0.94.1

How are you guys doing the Ceph upgrade in Ubuntu 14.04 controlled by Juju ? Are you upgrading the distro to 15.04 ?
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2 votes
2 answers
191 views

Look into ceph resiliance on openstack autopilot

I now have a 7 node openstack cluster created via landscape/autopilot. I chose ceph for everything. After getting into juju / looking into ceph. juju ssh ceph/0 root@topdesk:~# rados df pool name ...
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2 votes
1 answer
190 views

Dell servers, OpenStack and Autopilot Beta ... can they work together?

I am trying to bring up OpenStack using the Autopilot beta release. I am using all iron (physical servers). All Dell PowerEdge servers, to be specific, I am using: 2 x r310 servers 3 x r415 servers 2 ...
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configuring all interfaces from MAAS

I have a set of machines in MAAS with 4 nics. How do I get a juju deploy to bring up all nics? My Ceph deploy is failing because the right interfaces have not been brought up.
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1 vote
4 answers
6k views

Simplest way to set up new user with SSH access on remote host, given root access

I am writing a tutorial on setting up Ceph the hard way, shell all the way. I am not happy with the number of ssh commands it takes to connect to a remote host as root, create new user, then scp keys ...
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2 votes
1 answer
983 views

juju deploy ceph 'hook failed: "mon-relation-changed"'

I am running ubuntu 14.04.1 with juju 1.21.3 and deployed ceph to a machine with Intel Virtualization turned off in the bios. It failed with hook failed: "mon-relation-changed". I rebooted the machine ...
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5 votes
1 answer
402 views

juju deploy ceph hangs in pending in maas environment

I have ubuntu 14.04.1 with maas 1.7.1 rc4 and juju 1.20.14. My client machine is commissioned and deployed. I can ssh ubuntu@cl1stn2.maas and I can juju ssh 1 successfully. I did "juju deploy --...
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2 votes
4 answers
1k views

Architecture of a virtual OpenStack deployment (Juju/MAAS) with 1 physical node

I'd like to demonstrate some of OpenStacks HA/FT features (most importantly live migration and storage replication). For that purpose, I have a machine with 32 GB RAM and a Xeon e3v2 with 4 cores (8 ...
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4 votes
1 answer
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Openstack deployment fails at 99% Configure Availability Zones

Using the newly released Landscape deploy for Openstack, I've gotten to 99% completion, with 1 failure citing Configure Availability Zones. error I have received Unsupported Scheme: '' I'm going ...
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2 votes
1 answer
3k views

Installing ceph on a single machine with cephdeploy ubuntu 14.04 64 bit

I am unable to figure out how to install and deploy ceph on a single machine with ceph deploy. I have ubuntu 14.04 and have installed devstack. I am trying to install ceph on the same machine and ...
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4 votes
1 answer
568 views

Problems with Ceph installation in Juju deployed OpenStack environment

We are running in to an issue setting up ceph to be used as backend for cinder using the charms. Our environment consists of OpenStack icehouse on Ubuntu 14.04 (Trusty). Most of the documents on ceph ...
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2 votes
0 answers
314 views

Glance and ceph hook-failed "ceph-relation chaged"

I have installed glance in one machine and ceph in another machine using juju. Ceph is running on one machine but I try to establish a relation between glance and ceph it always shows hook-failed. ...
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