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Questions tagged [ceph]

Ceph is a free software storage platform designed to present object, block, and file storage from a single distributed computer cluster.

Ceph is a free software storage platform designed to present object, block, and file storage from a single distributed computer cluster. Ceph's main goals are to be completely distributed without a single point of failure, scalable to the exabyte level, and freely-available.

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Usage stats of CephFS subvolumes

Is there a way to gather and show the disk usage stats of CephFS subvolumes? Is there anything similar to rbd du for CephFS subvolumes? The only idea I have is something really ugly: filesystem="ceph-filesystem" group_name="csi" for subvolume in…
Volodymyr Melnyk
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Ceph RGW 16.2.7 CLI changes

I am trying to run a new Ceph cluster with Rados GW using the last software version 16.2.7, but when I set up RGW nodes I found out there are some changes in the CLI comparing with a version 16.2.4 I tested before. The next commands are missed in…
Aleksandr Makhov
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Openstack Glance Image Corrupted

I have an openstack instance up and running for 4 months and would like to migrate it to another nova node. When I click migrate instance option of that 4 month running instance on openstack dashboard. ERROR shown as the image is without associate…
ony4869
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ssh-copy-id ceph@osd-0 /bin/ssh-copy-id: ERROR: failed to open ID file '/home/ceph/.pub': No such file or directory

I can ssh successfully my ceph osd nodes but when i am trying to copy ssh id i am getting below error can anyone guide why i am getting below errors. [ceph@monitor ~]$ ssh-copy-id ceph@osd-0 /bin/ssh-copy-id: ERROR: failed to open ID file…
Noor
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Changing Ceph to store number of data copies

Currently I am using replication for data placement and think I am using three copies, which I think is the default. How do I change ceph config to store 4 copies on different nodes in different chassis? Also, would this change impact anything…
Kampton Joe
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Three Single drive Raid 1 vs JBOD

I have an intel server of which the RAID Controller does not support JBOD mode (same problem as my Dell R820s). But I want to do Ceph, so I "need" a JBOD. So I set my 3 SSDs as single drive RAID 1 from the controller configuration UI (maybe I should…
Johnride
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Openstack Wallaby Volume Backup Issue

Recently I am testing kubernetes with 1 master node and 3 worker nodes that built on Openstack(version: Wallaby). It involves lots of testing and therefore I would like to back up the volume to local machine beforehand. The volume backend is using…
ony4869
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Ceph connect to local node

I have an idea for an application that I'd like to build and one of the requirements is a globally replicated filesystem. Things like Ceph and GlusterFS exist, but I'm not sure they meet my particular use case. Let's say I have 3 app servers in 3…
Jack Slingerland
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cannot Delete objects on s3 ceph bucket

I have a ceph cluster and running a few s3 bucket on it, 'gitlab-s3-api' user has full permission on everything on ( users=;buckets=;metadata=;usage=;zone=* ) but very oddly it cannot delete any file on its own bucket. { "user_id":…
AliReza NaSRi
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nfs (or ceph, or k8s) works strange: ls/tree not working, but i can read files

I have some problems and i want to know where i have to check. my env: ceph nfs mount to a k8s pod problem: at mounted path (on k8s node and inside the pod too), ls/tree not working, but i can read/write files because i can read files and only…
whojes
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Multiple port on the same server behind the same backend

I’m using haproxy with my ceph cluster and I’ve created more gateways on 1 server with different ports. I’ve added to the backend configuration with the different port numbers but seems like haproxy ignores it. What I’m missing from the…
Badb0y
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How can I extend or resize lvm from disk space

We use ceph to manage the storage and recently increased /dev/sdb's disk size. I'm not sure how to utilize the newly available space in my ceph's lvm. sdb …
rafas
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Multi site ceph + proxmox

We have 2 proxmox clusters in production. They contain Ceph cluster with cephfs is on it. The task is to sync files between sites. Site A is master and site B is for backup. On site A cephfs files are created and deleted after x months. Site B…
Andrejs Snorins
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How to know how many files can Ceph delete per 1 minute?

As the question says. Is there a way to find out how many files can Ceph delete per 1 minute? A little backstory: Image hosting website, running Ceph FS on 8TB WD RED 3.5 HDD's, around 51 TiB already used with 40408370 stored objects. All files are…
En0w1na
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Cinder volume service goes down while creating/deleting multiple volumes at the same time

Environment: Openstack Rocky Ceph Mimic openstack-cinder-13.0.8-0 Cinder volume status goes down while creating or deleting multiple volumes at the same time manually or while Rally test is running. All volume tasks including create and delete fail…
Amir H Moezzi
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