Questions tagged [ceph]

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

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What is the proper way to setup Rados Gateway (RGW) under Ceph using Cephadm?

I have setup a 'reef' Ceph Cluster using Cephadm and Ansible in a lab environment. I have buckets and pools already setup. The ceph.io site is confusing on how to setup the Rados Gateway (radosgw) ...
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ceph multisite replication cannot be initialised

We have 2 ceph clusters running on 2 different geographical locations ~2500 Km apart. The deployment is canonical charm based and is running on ubuntu 20.04 , ceph ver is octopus (15.2.7). There is a ...
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Troubleshooting lxc launch issues from custom image

There is an image exported from another system, about 5GiB in size (compressed), estimated 13GiB uncompressed. root@cluster04:~# lxc launch testimg test-container --storage remote -d root,size=50GiB ...
Ildefonso Camargo's user avatar
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ceph quincy 17.2.6. stderr: Might need DB size specification, please set Ceph bluestore-block-db-size config parameter

I am trying to add a DB device. The physical device is an SSD, in which I created as many logical volumes as OSDs. All the LV’s are in a volume group. It turns out that when I run "ceph-volume ...
gmaggi's user avatar
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How to mount ceph fs with Microceph?

I follow the steps from https://snapcraft.io/microceph and demo video: https://www.youtube.com/watch?v=PX1n3ZAWuAU but now i'm not sure how to mount with microceph cephfs? (Ubuntu 22.04)
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(fio test) disk very slow with any service but normally if straight to disk

OS details: PRETTY_NAME="Ubuntu 22.04.2 LTS" NAME="Ubuntu" VERSION_ID="22.04" VERSION="22.04.2 LTS (Jammy Jellyfish)" VERSION_CODENAME=jammy ID=ubuntu ID_LIKE=...
Crazy Jerry's user avatar
2 votes
1 answer
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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 ...
Ahmad Ahmadi's user avatar
2 votes
2 answers
1k views

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):...
silbro's user avatar
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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,...
Unknown Boy's user avatar
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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 ...
Stefan's user avatar
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1k views

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 ...
Alphonsine2LaTour's user avatar
2 votes
1 answer
71 views

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
Earthwormben's user avatar
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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 ...
Earthwormben's user avatar
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224 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, ...
Albert Zhai's user avatar
2 votes
1 answer
366 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
yasin lachini's user avatar
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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?
varun vyas's user avatar
1 vote
2 answers
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 ...
Riccardo Magrini's user avatar
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1 answer
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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" ...
Yevhenii Preobrazhenskyi's user avatar
1 vote
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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-...
user713360's user avatar
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....
Ceisc's user avatar
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1 answer
2k views

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, ...
Oscar's user avatar
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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 ...
RStehno's user avatar
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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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3 votes
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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="...
Lookcrabs's user avatar
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 ...
abdulmalik's user avatar
2 votes
1 answer
1k 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 ...
Mansour's user avatar
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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 ...
spyderdyne's user avatar
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1 answer
704 views

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 ...
igoryonya's user avatar
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1 answer
587 views

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. ...
Mansour's user avatar
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2 answers
512 views

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 ...
Mansour's user avatar
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4 votes
2 answers
827 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 ...
GunerE's user avatar
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204 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....
Andrew Love's user avatar
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2 answers
962 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 ...
Joshua's user avatar
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2 answers
1k views

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 ...
Andrew Love's user avatar
1 vote
1 answer
442 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 ...
hp cre's user avatar
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1 vote
0 answers
152 views

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 ...
PeterP's user avatar
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2 votes
1 answer
164 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?
Tim's user avatar
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3 answers
2k views

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

Please see my screenshot below:
Prakash's user avatar
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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 ] ...
Prakash's user avatar
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1 vote
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 ...
David Bostjancic's user avatar
2 votes
0 answers
54 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://...
Edward Bond's user avatar
3 votes
1 answer
892 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 ...
Umair Chaudhry's user avatar
1 vote
1 answer
279 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 ?
Ivan Rodriguez's user avatar
2 votes
2 answers
192 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 ...
Edward Bond's user avatar
2 votes
1 answer
192 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 ...
Pat E's user avatar
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1 vote
2 answers
218 views

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.
Daniel Bidwell's user avatar
2 votes
4 answers
8k 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 ...
0xF2's user avatar
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2 votes
1 answer
1k 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 ...
Daniel Bidwell's user avatar
5 votes
1 answer
446 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 [email protected] and I can juju ssh 1 successfully. I did "juju deploy --...
Daniel Bidwell's user avatar