Questions tagged [glusterfs]
An open source, distributed, network-attached, storage file system capable of scaling to several petabytes and handling thousands of clients.
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simplest non-raid way of pooling nvme ssd drives on a single node - glusterfs?
We are putting together a RHEL OS video editing server which is fully nvme-ssd based. It needs to be high thoughput and very low latency. RAID controllers kill the speeds. Commercial software RAID (...
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Data Replication Approaches for Hot Standby Architecture
I'm relatively new to the world of storage & filesystems (please forgive me if I'm not using the correct language), and I'm currently researching ways to achieve a hot standby configuration -- i.e....
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Glusterfs, gluster volume status command shows tcp port n/a status
Raised network storage based on glusterfs, on which I created three volumes for storing application data. After executing the gluster volume start <name_volume> force command, I checked the ...
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how to quickly scan size of directories in big terabyte directories
Basically I have a 3TB disk, inside of it I have 4 directories, and inside of those directories I have hundreds of directories.
I would like to view the relative size of any of the directories, it ...
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ZFS + GlusterFS + NFS stack returning wrong file to client (weird behaviour)
I set up an NFS server on top of a replicated GlusterFS volume on top of mirrored ZFS pool serving files to a couple of application servers.
ZFS + GlusterFS + NFS cluster schema
I have two application ...
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GlusterFS on CentOS 8 - Replicated Volume Creation Failed
I start learning GlusterFS in a homelab that is consists of 4 CentOS 8 virtual machines. My lab setup is as in the following:
one VM act as Name Server (BIND) and Time Server (Chrony)
A cluster of 3 ...
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Multiple GlusterFS backup servers
I've setup an arbitrated replicated volume like this
gluster volume create gvol \
replica 3 \
arbiter 1 \
host1:/opt/brick/vol1 host2:/opt/brick/vol1 host3:/opt/arb/vol1 \
host4:/opt/...
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.glusterfs folder takes 26 Terabytes (Gluster Volume)
I'm using Gluster on my cluster and I'm running into a problem with storage.
My data takes about 17 Terabytes out of the 36 Terabytes being used. So I looked around for what was taking the remaining ...
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Problems mounting GlusterFS when starting up pod (in Kubernetes)
Just to give a bit of background - I have a 3 node GlusterFS cluster running, and I made sure to test it works by mounting a few directories on some servers. I also tested a mount on the Kubernetes ...
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XFS, GlusterFS v5.5 and the Year-2038 problem
I tried out default retention periods e.g. to set the Retention date to
2071. When I did the WORMing, everything seems to be OK. From FUSE and also
at Brick-Level, the retention was set to 2071 on all ...
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Resilient Gluster mount
According to https://gluster.readthedocs.io/en/latest/Administrator%20Guide/Setting%20Up%20Clients/#mounting-volumes
The server specified in the mount command is only used to fetch the gluster ...
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file lock existence check on remote host
I want to check the existence of file lock on a file in gluster file system. So that I can see from any host that whether file lock is held by any process (remote or local) on file in gluster file ...
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Adding brick volume to gluster fails
I created a 2TB volume to increase space on home directory.
I created the partition:
$ parted /dev/xvdb mklabel gpt
$ parted -s /dev/xvdb mkpart primary ext4 1 100%
Formatted the partition:
$ mkfs....
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GlusterFS graceful reboot of brick
TL;DR What is the best/simplest way to reboot a gluster node (containing a replicated brick) in such a way that it doesn't impact (i.e. freeze) the remaining cluster?
Longer story:
I'm configuring ...
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How to install GlusterFS on Core OS?
I have provisioned a kubernetes cluster across CoreOS hosts with kubespray, and am trying to setup container native storage with gluster-kubernetes.
The problem I am running into is that CoreOS has ...
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GlusterFS peer rejected and no data replication following reboot
I'm experimenting with glusterfs on ubuntu16.04.
Setup consists of:
Gluster-server node1: ubuntu16-2
Gluster-server node2: ubuntu16-3
Gluster-client: ubuntu16-1
I've setup a gluster volume named '...
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gluster rebalance failure
gluster rebalance is failing after the rebalance and brick is also going down after running the rebalance. The output and logs are as follow:
$ gluster --mode=script --wignore volume status
Status ...
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Puppet exec command runs successfully but doesn't make the needed changes
I am trying to make some changes on my Ubuntu 16.04 server using puppet exec to run commands to make those changes. When I run puppet, the command is executed successfully but puppet exec doesn't make ...
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Puppet Gluster Volume Error
I am getting this error when I add a gluster volume and run puppet agent -t:
Error: Could not retrieve catalog from remote server: Error 500 on SERVER: Server Error: Evaluation Error: Error while ...
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How to force glusterfs peer to attempt to reconnect to rebooted node?
I have a six-node glusterfs cluster running. This morning, I noticed that one of the machines was behaving strangely, so I rebooted it, just to be safe - a manual STONITH, if you will.
After ...
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Error: Systemd start for glusterfs-server failed
I keep getting the error below when I run puppet agent -t but when I check the gluster service, the service is already running. What do I need to do to fix this error that I keep getting?
Error: ...
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GlusterFS replicated volume auto failover not working
I have two nodes that have a replicated gluster volume. Then a third node that has mounted that volume using the following mount string in /etc/fstab:
node1,node2:/gv0 /glustermount glusterfs ...
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Symlinks not working on GlusterFS Fuse mount
I am running GlusterFS 3.11.3 on CentOS 7 64-bit in an OpenVZ environment.
Since I am not the datacenter owner and the OpenVZ hosts don't allow sys_admin privileges to virtual machines, I have ...
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GlusterFS - Unable to list files within a specific directory on a Gluster fuse mount point
We have a single volume 'gvol0' which is split across two nodes (replicated), server1 and server2:
Here is the sanitised volume info:
Volume Name: gvol0
Type: Replicate
Volume ID: ...
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Ubuntu/GlusterFS: Unable to create thinly provisioned volume from previously created pool using lvcreate
I'm testing out glusterfs, and was following this guide on creating setting up volumes. I ran into an error when trying to create a thinly provisioned volume. This is the section
Create a thinly ...
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Mount is denied mounting GlusterFS point at boot
I have a simple 2 brick replication using two nodes. I am trying to make the mount point for the volume mount automatically at boot. I have tried various solutions such as here and here, but most of ...
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GlusterFS replicated volume - mounting issue
I'm running GlusterFS using 2 servers (ST0 & ST1) and 1 client (STC), and the volname is rep-volume.
I surfed the net, and read all articles explaining how to fix mounting issues but unfortunately ...
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sharing a drive over the network
I want to share a drive over the Local Area Network so that I can use it for building system images (my machine itself doesn't have that much storage and I'd prefer to use a drive over the network ...
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Redhat : "gluster volume status" shows NFS Server on localhost as N/A and Offline
I have 2 Nodes GlusterFS setup on 2 Redhat 6.7 Servers. (GlusterFS versions are both 3.7.12) Then the "NFS Server on localhost" status on one Server shows "n/a" and Online "N", while it is showing all ...
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Synchronising millions of files between two Linux servers
I have a server which exports a directory containing ~7 million files (mostly images) from its local disk to network clients via NFS.
I need to add a second one for the sake of HA, and to keep it in ...
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HTTP Session Management while using Nginx as in “Round Robin” mode Load-balancer?
I'm trying to load-balance "2 Web Servers (running Apache/PHP)" by putting nginx in front of them. But I need to use Round Robin algorithm but when I do this, I can't manage to have the stable ...
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How will glusterFS performance degrade (if at all) with > 2 nodes
I have two API service nodes one Amazon Web Services. These nodes are mostly for servicing API calls. They also serve some image content.
There's a load balancer in the front so that URL http://...
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How do you find out why a GlusterFS peer was rejected?
I tried adding a new peer to my gluster cluster, but it's saying the peer is rejected. I've poured through all of my logs but cannot find any hints.
Magnum-pi and Apple-pi are running gluster 3.7.3 ...
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GlusterFS how to failover (smartly) if a mounted Server is failed?
In GlusterFS, lets say i have 2 Nodes (Servers) on a Volume. Lets say the volume info is something like this:
Volume Name: volume-www
Brick1: gluster-server-01:/volume-www/brick
Brick2: gluster-...
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mysql high availablity for LAMP application (ubuntu 14.04)
im trying to achieve HIGH Availability (HA) for a LAMP application(News Portal website) which might be of interest to many unfamiliar users.For files im using Glusterfs (replica) for redundancy ...
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GlusterFS use Geo-replication or normal gluster?
We have 4 offices with ipsec lan2lan over fibre net (20-100 mbit on eache office, except one office with 10 mbit fibre). Latency is below 20 ms (between to of the offices with fastest network we have ...
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