Questions tagged [ceph]
Ceph is a unified, distributed storage system designed for reliability and linear scalability.
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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 ...
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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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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 ...
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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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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=...
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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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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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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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