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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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 ...
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Cant Add new peer to existing glusterfs replicated volume
I Have 3 Raspberrys running glusterFs with one Replcated volume.
Everything works ok.
Now i want to add a fourt peer, and add another replica to my existing volume..
So this are my steps:
install ...
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0answers
19 views
brick size for 10TB volume in GlusterFS [closed]
I want to create a 10 TB volume in GlusterFS with 5 nodes. One node is arbitrator and has replica 3. What could be the brick size for 10tb volume?
Unable to create volume of 10tb. Only Logical volumes ...
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1answer
66 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 "...
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20 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 ...
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1answer
20 views
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 ...
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1answer
106 views
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 ...
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32 views
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 ...
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0answers
101 views
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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1answer
37 views
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 ...
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1answer
148 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/...
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217 views
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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174 views
Mounting glusterfs on /mnt/gluster/name failed
I'm getting the error above.
Server is a virtual debian 10, client is also virtual debian 10.
Connecting via my notebook (ubuntu 18.04) works.
Logfile on client with error:
[2020-10-09 13:46:34.043415]...
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149 views
GlusterFS newbie questions
I am trying to create GlusterFS cluster for storing important backups. Through several installations I came to this configuration:
NetBSD as a GlusterFS client, glusterfs 8.0
6 VM's Archlinux ...
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10 views
GlusterFS set Volume option without restarting
Ist there a way to change a volume setting, for example auth.ssl-allow without restarting the volume?
(glusterfs Version is 8.1)
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3answers
350 views
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 ...
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56 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 ...
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26 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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25 views
Hardware refresh for a GlusterFS server
I have a server which is a part of GlusterFS(version:3.10.12) replica:
[root@nodeC ~]# gluster volume info
Volume Name: gv0
Type: Replicate
Volume ID: f7erfc0b-5bce-435a-a3fa-048ffg321b
Status: ...
3
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3answers
754 views
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 ...
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79 views
Glusterfs unsynced entries that are not being changed
Having glusterfs replicated volume with many many many small files (almost 1 milion).
The filesystem is accessed only via glusterfs fuse mount, mounted with 'noatime' option.
So theoretically when a ...
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19 views
Gluster 3.5 Self Heal Failing
My host had some network glitches, and now I have a gluster mess on my heads. I have a couple hundred of these and no idea how to easily and effectively track them down to correct them.
I'm running ...
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59 views
how to have atleast 2 node failure in glusterFS? with 4 nodes or 6 or 5 nodes?
how to have atleast 2 node failure in glusterFS? i had 3 node cluster with replica, but when i took down 2 nodes , then mount point failed to work. i added another node to glusterFS (4 nodes, 1x4=4 ...
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220 views
glusterfs volume offline after reboot in centos
what is difference b/w glusterd and glusterfsd. Which one should be started at boot time? And what is the proper way of starting them after reboot? The gluster volume seem to be offline after reboot. ...
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1answer
536 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 (...
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2answers
410 views
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 ...
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1answer
243 views
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 ...
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1answer
207 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 ...
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0answers
1k views
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 ...
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2answers
480 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...:
...
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55 views
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 ...
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1answer
32 views
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 ...
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2answers
626 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 ...
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790 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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1answer
1k views
Chossing 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 ...
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47 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,
...
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1answer
802 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/...
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1answer
64 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 ...
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116 views
Glusterfs support for user namespaces
I have a gluster volume mounted on a host machine and tried to run a namespaced docker container with a bind mount from the gluster mount on the host.
It seems that the user namespacing is not ...
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0answers
26 views
Is it possible to recover a previously used brick in the same volume? Is it better to reuse it or clear and add as new?
Was testing how glusterfs behaves after an HDD crash and came to this issue where a previously used but not corrupted brick cannot be added back to a volume because glusterfs thinks it already is part ...
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1answer
489 views
Can't enable NFS on two-node Ansible provisioned GlusterFS cluster
I have two nodes (running Armbian Bionic, based on Ubuntu 18.04) set up to create a distributed Gluster storage, provisioned via Ansible.
I think the relevant part of the Ansible playbook is this:
...
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0answers
202 views
Increasing size of .glusterfs directory
I'm using glusterfs 3.3 version.
One of my mounted drive (15TB) is show full. After checking, I got that there is a directory .glusterfs which is uses 3TB.
I don't know the actual reason of .glusterfs ...
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126 views
GlusterFS for simple replication of existing dirs on ext4 FS?
I have an already existing CentOS 6.9 system with an already existing EXT4 filesystem (/data) housing our application. Certain directories within this file system contain critical per-transaction xml ...
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1answer
277 views
glusterfsd Ubuntu 18.04 high iowait issues
We're running gluster on two hypervisors running Ubuntu. When we upgraded from Ubuntu 14.04 to 18.04, it upgraded gluster from 3.4.2 to 3.13.2. As soon as we upgraded and since then, we've been seeing ...
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1answer
219 views
glusterfs for wordpress hosting
I've seen many tutorials recommending glusterfs for distributed web application hosting. Is this really the best practice for small scale load balancing?
It seems the latency issue is slowing us ...
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1answer
598 views
GlusterFS: Permissions for brick
When setting up a GlusterFS what are the requirements for the brick i.e. the directory on the gluster server in terms of
permissions
ownership
I know that gluster is fully POSIX-compliant but I was ...
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1answer
642 views
Does GLusterFS / Fuse properly support mmap()?
Background
I've been having some file locking issues with running Dovecot IMAP storage on a triple-replicated Gluster Volume. The volume is mounted with the glusterfs type using defaults. This ...
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0answers
35 views
How do I use GlusterFS in a reuse scenario?
I am going to repurpose 5 servers from their previous use as computational servers to be a KVM system. This will become my sandbox for testing patches and for testing new software, configuration ...
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1answer
3k views
Unable to mount gluster fs on glusterfs client: Transport endpoint is not connected
UPDATE: Upgrade to latest version 5.2 and thus update the log. However, issue stays the same
UPDATE 2: also update client to 5.2, still the same issue.
I have a gluster cluster setup with 3 nodes.
...
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1answer
3k views
Ceph or Gluster for implementing big NAS
We are planning to build NAS solution which will be primarily used via NFS and CIFS and workloads ranging from various archival application to more “real-time processing”. The NAS will not be used as ...
