Questions tagged [ceph]
Ceph is a unified, distributed storage system designed for reliability and linear scalability.
73
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ceph problem wit osd creation
I'm having trouble setting up some ceph osd's on my ceph cluster.
Currently I ave truenas scale for my nas server, but I want to change to a cep cluster, because aving block storage as a developer is ...
0
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0
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32
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Error with ceph-osd (exit code -11) when adding a new OSD
I'm adding a new node to my ceph cluster but I'm having issues creating the osd service in it.
All services are starting properly, but the osd service is falling.
When I run the command:
sudo ceph ...
- 101
0
votes
1
answer
325
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Enable Ceph Dashboard in Microceph
I have a microceph cluster running via snap and would like to enable the ceph dashboard for visibility it disk utilization and other metrics (not for service configuration). There are some ...
- 101
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31
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Impact of software raid on IOPs performance
Today my server is a ubuntu 22.04 setup where I am starting 2 VMs namely mgmt-vm and storage-vm using LXD. Both the VMs are using lvm based storage pool which is on top of logical software RAID5 drive ...
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194
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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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31
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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 ...
- 1
0
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0
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154
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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 ...
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165
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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 ...
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0
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1
answer
1k
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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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1
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0
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202
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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=...
- 11
2
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1
answer
721
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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 ...
- 25
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):...
- 33
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0
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617
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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,...
- 11
1
vote
1
answer
936
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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 ...
- 11
1
vote
1
answer
1k
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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 ...
2
votes
1
answer
75
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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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1
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0
answers
101
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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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0
votes
1
answer
244
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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
398
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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
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1
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197
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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?
1
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2
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4k
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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 ...
- 1,233
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1
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498
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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" ...
1
vote
0
answers
321
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
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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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2
votes
1
answer
2k
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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, ...
- 71
0
votes
1
answer
542
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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 ...
- 1
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0
answers
58
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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 ...
user508889
3
votes
0
answers
48
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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
2k
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
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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
vote
1
answer
813
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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 ...
user508889
16
votes
3
answers
5k
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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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1
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732
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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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0
votes
1
answer
594
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.
...
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0
votes
2
answers
561
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 ...
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4
votes
2
answers
832
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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1
vote
0
answers
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....
- 171
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2
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994
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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
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2
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1k
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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 ...
- 171
1
vote
1
answer
445
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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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1
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0
answers
157
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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
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?
- 23
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3
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2k
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2
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2
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4k
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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
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1
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206
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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 ...
- 141
2
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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://...
- 215
3
votes
1
answer
899
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
280
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
195
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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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