Questions tagged [ceph]
Ceph is a unified, distributed storage system designed for reliability and linear scalability.
67
questions
0
votes
0
answers
23
views
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)
- 113
0
votes
0
answers
39
views
(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=...
0
votes
0
answers
379
views
Clock skew detected on Ceph node
I created a 3 node ceph cluster and I am getting a warning: clock skew detected on mon.ceph-node01.
All 3 nodes are in sync though (the diffences are due to time to execute and within the 5 sec Ceph ...
0
votes
0
answers
797
views
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 ...
- 11.8k
2
votes
1
answer
441
views
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 ...
- 25
2
votes
2
answers
718
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):...
- 33
0
votes
0
answers
442
views
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,...
- 11
1
vote
1
answer
729
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 ...
- 11
1
vote
1
answer
900
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 ...
2
votes
1
answer
63
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
- 31
1
vote
0
answers
64
views
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 ...
- 31
0
votes
1
answer
204
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, ...
2
votes
1
answer
356
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
- 131
0
votes
1
answer
183
views
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?
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 ...
- 1,203
0
votes
1
answer
453
views
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" ...
1
vote
0
answers
296
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-...
- 21
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....
- 121
2
votes
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, ...
- 71
0
votes
1
answer
537
views
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 ...
- 1
0
votes
0
answers
54
views
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 ...
user508889
3
votes
0
answers
45
views
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="...
- 31
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 ...
- 11
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 ...
- 53
1
vote
1
answer
744
views
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 ...
user508889
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 ...
- 655
0
votes
1
answer
687
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 ...
- 151
0
votes
1
answer
578
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.
...
- 53
0
votes
2
answers
450
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 ...
- 53
4
votes
2
answers
823
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 ...
- 43
1
vote
0
answers
199
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....
- 161
0
votes
2
answers
934
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 ...
- 189
1
vote
2
answers
984
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 ...
- 161
1
vote
1
answer
441
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 ...
- 63
1
vote
0
answers
143
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 ...
- 41
2
votes
1
answer
158
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?
- 23
0
votes
3
answers
2k
views
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 ] ...
- 21
1
vote
1
answer
204
views
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 ...
- 141
2
votes
0
answers
53
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://...
- 215
3
votes
1
answer
890
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 ...
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 ?
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 ...
- 215
2
votes
1
answer
191
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 ...
- 45
1
vote
2
answers
210
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.
- 351
2
votes
4
answers
7k
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 ...
- 3,154
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 ...
- 351
5
votes
1
answer
436
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 --...
- 351
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 ...
- 23
4
votes
1
answer
199
views
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 ...
- 41