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Questions tagged [glusterfs]

GlusterFS is a scale-out NAS file system that runs over Ethernet or Infiniband RDMA interconnect. GlusterFS is now owned by Red Hat.

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Gluster 11, cannot make replicate volume

I'm trying to single node volume, convert to replicate volume by adding one more brick to gluster volume. I'm using command: gluster volume add-brick replica 2 But every time I get Distributed-...
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Erasure coding error detection ability

I would like to know in an (2+1) Erasure coding storage setup, can it detect corruption when one node is lost, and there is a silent data corruption from HDD on one of the remaining node. I am ...
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How to mount Gluster volume in a systemd-nspawn container?

I am trying to mount a Gluster volume within a systemd-nspawn container. I found two methods to do it from the official Github repo, but I have questions about both methods' security. The CAP_MKNOD + ...
Waiho's user avatar
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Not automount volume after GlusterFS client booting up by autofs

I have configured GlusterFS between 3 rocky servers and mounting the gluster volume under /srv/gluster/vol01 directory. I had to install glusterfs-client in the 4th machine. My primary objective was ...
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df command showing incorrect information

i have two rhel 7.9 servers with replicated glusterfs storage, and the df command is dispalying wrong size information on both servers The machines size on Vcenter is 16.3To but when using df it shows ...
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Filter groups that SSSD receives from AD server

We've got two Ubuntu 22.04 servers that use Kerberos and SSSD to authenticate users against an AD server. This works great. The servers also have a GlusterFS volume that holds the user's home ...
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Mysql /var/lib/mysql on Glusterfs

We are planing to deploy MySQL /var/lib/mysql (InnoDB) folder on Gluster server. Configuration is two Gluster servers + thin Arbiter. Gluster is in replica mode! Does anybody have experience with ...
Zemzema's user avatar
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4 answers
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Creating replicated gluster volume always gives Distributed-Replicate volume

Peace upon you, I am trying to create a replicated gluster volume but always it gives me Distributed-Replicate volume i followed the following commands Pool Peers root@tiny1:~# gluster peer status ...
Yassine Chilali's user avatar
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glusterfs choosing right layout of bricks/replicas for HA - able to sustain two node failure

So I already have glusterfs volume and it is working fine (I guess). Now I am creating a new high-value prod setup and was starting to wonder - what is the "right" layout of nodes and bricks ...
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Glusterfs io bandwidth or iops limitation

I am new to glusterfs and I am using glusterfs 9.6 with some iops sensitive job like etcd or some other process in one disk device. The glusterfs is the least important program on my server. I am ...
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Gluster replication / propagation to multiple remote servers

I'm new to the concept of Gluster, and I think I'm missing some key knowledge from Gluster documentation. In my company, there are 10 application servers each with their own storage, and the current ...
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sync apache2 config directory with glusterfs and restart service on directory change

I am trying to create a small 3 node ha cluster with apache2, php, mariadb with galera, glusterfs, haproxy and keepalived on debian 11. I want to sync the majority of config files (which are the same ...
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Independent distributed FS for Linux with ACL

I have two Linux servers in two locations connected by VPN (over WAN - 100/100 Mb/s). On each of these servers is Samba DC (the same domain) and Samba File Server. Samba FS are configured to store ACL ...
Moses's user avatar
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What are the "alternatives" to Heketi for Kubernetes?

I have built a working GlusterFS cluster, and now I want to make a Kubernetes StorageClass that uses it. I see a number of tutorials and documentation pointing to Heketi as the provisioner engine. ...
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Debian gluster install doesn't work in Ubuntu 20.04

Following the instructions to add the gluster PPA to my Ubuntu 20.04 system, I get the following error when doing the apt update command: Ign:5 https://download.gluster.org/pub/gluster/glusterfs/...
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How can I split a zfs pool for storing VMs and Glusterfs separately on Proxmox?

I have a ProxmoxVE server which I created the following zpool on: root@thor:\~# zpool list NAME SIZE ALLOC FREE CKPOINT EXPANDSZ FRAG CAP DEDUP HEALTH ALTROOT Asgard 5.45T 816K ...
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How to remove brick from failed Gluster peer?

I have a host that is damaged and is marked as Disconnected in the pool list. To remove the host and replace it I need to remove the brick. Info of my bricks: Volume Name: myvol Type: Distributed-...
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How to force delete directory backed by Gluster that will not delete even when using -r option

Hi trying to delete a directory and no mater what I try I get: rm: cannot remove 'wont_delete/delete': Directory not empty I'm running sudo rm -vr wont_delete/ The directory is on gluster fs. Edit: ...
user432024's user avatar
2 votes
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318 views

GlusterFS volume stalls / blocks after quick access for PHP session files from PHP Docker container

2021-10-05 UPDATED QUESTION AND TEXT AFTER MORE ANALYSIS, STRIPPED DOWN TO MINIMAL CASE Short description A Nomad / Consul cluster is running, with Traefik (with minimal configuration) as a system ...
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Glusterfs on Synology NAS?

I run a machine-learning cluster for my small business. The cluster consists of three Ubuntu servers. The 10TB /home directory, provided by Server 1, is shared across all servers and is almost full. I'...
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How to mount glusterfs at boot in centOS 7 lxc container?

Need to get a glusterfs volume mounted in a centos 7 lxc container. found this and can do it manually ok... But it seems that adding it in the fstab doesnt work because it gets executed before gluster ...
user64's user avatar
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I'm looking for a way to configure distance clustering of postfix and dovecot

I currently have a postfix server and dovecot server sharing files from an NFS server in the UK and the same config in Switzerland. I tried to mailsync but that appeared to lose emails, so then I ...
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GlusterFS not Sync geo

I activated GlusterFS synchronization with master/slave geo location. At first everything working, however elw does not synchronize new files, only if I stop and delete-sync-time. The number of ...
Rafael Arcanjo's user avatar
3 votes
1 answer
1k views

Zero downtime with Kubernetes on top of GlusterFs on top of a ZFS raid - Is this the best solution?

TL;DR A client requests me to make a robust system to run containerized microservices within their LAN. Restriction: They give me 2 machines and 6 data-disks. No more hardware. I have to build "...
Xavi Montero's user avatar
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138 views

Glusterfs: rpc actor failed to complete successfully

I have glusterfs service running over CentOS 6, an I can see those errors filling up the logs continuously: [2021-03-09 07:13:52.692995] E [rpcsvc.c:450:rpcsvc_check_and_reply_error] 0-rpcsvc: rpc ...
Eng7's user avatar
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Can I directly alter files located in a GlusterFS brick

On a storage node, GlusterFS bricks (the physical disks composing a GlusterFS volume) are typically mounted at a specific location. For example: /export/glusterfs/<volume>/brick0/brick. However ...
Spack's user avatar
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Heketi - adding device with existing data

I have an OKD cluster with GlusterFS as a storage class and Heketi as a frontend. Everything works fine till destroy of the Heketi database. Now I can't make any changes to the storage, I can't add ...
QkiZ's user avatar
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Heavy network usage withg GlusterFS FUSE client

I have a simple GlusterFS 7.2 setup with 3 servers: data1 and data2 contribute several bricks (4 each) to a distributed replicated GlusterFS volume. host1 uses the GlusterFS FUSE client to mount the ...
Ben's user avatar
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Gluster Performance

currently I try to setup a Gluster cluster and the performance is strange and I'm not sure, if I configured something wron. I'm using 4x Hetzner root server running Debian Buster with Intel i7, 128GB ...
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GlusterFS - Define Failover Cluster

I am currently planning the storage infrastructure for our new application. Since performance is a big and important item on our list, I want to use SSDs for the production environment. We sell a ...
dr-ing's user avatar
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862 views

Numbers of bricks is not a multiple of replica count - glusterfs

I have 10 servers and want to use all as storage so tried to create volume with following command but its throwing error gluster volume create gv0 replica 3 server1:/data/brick1/gv0 server2:/data/...
ImranRazaKhan's user avatar
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CentOS 7 - GlusterFS & Pacemaker & Corosync

I try to install a little GlusterFS (for NFS) Cluster with CentOS High Availability. I have really no idea why it failed. I started multiple times from scratch. My problem is, that I can't see any ...
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Data resiliency in Ceph or Gluster

Say I am most concerned with keeping my data safe from physical hard drive failure and the computer it connects to directly. RAID1 and RAID5 I understand. They provide protections against data loss ...
Dave Pearce's user avatar
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214 views

Single Gluster peer rebalancing inconsistently

I have a pool of 5 Gluster servers with individual bricks for a volume operating in Dispersed mode, to which I have added an extra 5 peers with individual bricks in another datacenter, making this ...
example6's user avatar
1 vote
0 answers
54 views

Optimal volume setup in Glusterfs

I have a number of servers and am wondering what the most optimal volume setup would be. Initially, there'll be 5 servers but over 20 later on. Each server has 16 x 3TB drives. Essentially, I want to ...
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3 answers
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Glusterfs on web server

I want to build a HA Web service and I was planning to use Glusterfs on three nodes (with replica 3). My plan was to install web server directly on Gluster nodes. Is this a viable solution or is there ...
P. P.'s user avatar
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2 votes
1 answer
1k views

How should I recover from Ovirt and GlusterFS partial failure?

I am managing a 3 node Ovirt 4.3.7 cluster with a hosted engine appliance; the nodes are also glusterfs nodes. The systems are: ovirt1 (node at 192.168.40.193) ovirt2 (node at 192.168.40.194) ovirt3 (...
Randall's user avatar
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CTDB Samba script failing to start

Here is the output from a tail -f /var/log/ctdb/log.ctdb 2020/01/27 18:52:52.317670 ctdbd[3330]: Running the "startup" event. 2020/01/27 18:53:22.323208 ctdbd[3330]: startup event failed 2020/01/27 ...
hcker2000's user avatar
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1 answer
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GlusterFS Volume Creation Suggestion

I have to deploy multiple Openshift Clusters from 3 nodes to 10 nodes. For 3 nodes i am creating volumes as replicated. But for 4 and above it doesn't look nice to create replicated volume, so each ...
ImranRazaKhan's user avatar
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1 answer
556 views

HAProxy + Dovecot + Gluster

I'm looking to setup 2 dovecot servers behind HAProxy using gluster for a high-availability solution. From the reading I've been doing, it seems that dovecot highly suggests the use of the dovecot ...
Aaron A's user avatar
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Glusterfs - Clients randomly disconnect until volume is restarted

Ubuntu 18.04 Glusterfs-7.0 I have created a volume for my file share and started it: sudo gluster volume create NAME replica 3 transport tcp host0:/path0 host1:/path1 host2:/path2 sudo gluster ...
Gallardo994's user avatar
1 vote
2 answers
604 views

K3S arm64 distributed files systems

I deployed a K3S Cluster on arm64 and I need to have a DFS directly on-premise, It will be better to have it running on the kubernetes stack. Regarding DFS choices there are some options, but...: ...
GoA Oz's user avatar
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Should I use GlusterFS for mail server?

I'm planing to use GlusterFS for my mail server. But I read that GlusterFS have problems with small file ( and mail are small files). What's the problems with GlusterFS when come to working with small ...
Lê Minh Quân's user avatar
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1 answer
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How to test and evaluate performent of a storage system? Compare between NFS and GlusterFS?

I have an exercise at school about the title question,I have google search for couple of hours but I'm not found anythings useful. I only know that when come to HA, GlusterFS remove the single point ...
Lê Minh Quân's user avatar
1 vote
2 answers
1k views

GlusterFS or Ceph RBD for storing Virtual Machine image

I am using glusterfs 5.3 for storing images of virtual machines in Cloudstack/KVM environment, majority of VMs are DB Servers (Sql Server & MariaDB). But I am facing performance issue on VMs ...
Prateek's user avatar
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3 votes
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2k views

Previously mountable GlusterFS volume now fails to mount with several errors

I've previously set up a couple of GlusterFS volumes (called cyclorana0 and cyclorana1) across two nodes (with IPs 10.0.2.4 (hostname alboguttata) and 10.0.2.5 (hostname verrucosa)) on my LAN. The ...
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Choosing between GlusterFS replica 2 or 3

I can't figure out the relation between the number of bricks and replica count. I have 4 server nodes and after running the command to create a distributed replicated volume, with a replica count of ...
bulkmoustache's user avatar
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106 views

What could cause a mount to suddenly unmount?

I have been running glusterfs 3.4 in AWS for a couple months now, over the past month the glusterfs mount has disappeared from the gluster client server. Stats from the client server seem normal, ...
Ron Russey's user avatar
2 votes
1 answer
2k views

GlusterFS not running on correct port! (peer disconnected / brick not starting)

On CentOS 7 witch two bricks on srv1 and srv2 I've upgraded gluster from 313 to 6 by using yum. I then rebooted server 1, started and mounted the drive successfully. This is my mount command: /usr/...
Sergeant's user avatar
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82 views

K8S: securing GlusterFS

I have a question on how to divide access to the same gluster for different K8S namespaces. Let's say, I have 3 different volumes (vol-a, vol-b, vol-c) in a gluster and I'd like to permit access to ...
Volodymyr Melnyk's user avatar

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