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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How do you add a replacement HDD to a glusterfs volume?

I recently inherited a glusterfs setup that I know literally zero about. One of the HDD's that provides a brick to the volume failed and I was able to replace that HDD and the host OS can see the HDD. ...
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24 views

How can i mount volume of glusterfs to /var/lib/docker in ubuntu 14.04

I installed gluster-server and docker on ubuntu 14.04 # install Glusterfs sudo apt-get update; sudo apt-get install -y python-software-properties; sudo add-apt-repository -y ...
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10 views

“gluster volume status” errors out

Our monitoring script runs: gluster volume status all and parses the output analyzing the volumes and the bricks. Of late one of the Gluster-servers here started replying to the above command with ...
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22 views

Gluster FS. Rebuild replicated volume

I am playing with GlusterFS. And now I am curious how to fully rebuild replicated volume. So I`ve created 1 replicated volume from server1 and server2 nodes: root@server1:~# gluster volume create ...
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21 views

Starting php5-fpm process after gluster filesystem has been mounted

How can I initialize a php5-fpm process using upstart so that it starts after /etc/fstab has mounted a remote gluster filesystem? I know that in Ubuntu, this can be done by using the filesystem and ...
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52 views

Is there any way to lock/unlock a Hosted Engine in oVirt?

I have a weird situation with my Hosted Engine in oVirt. We have an oVirt cluster set up using gluster as the storage for the engines isos and all the information. About a week ago two of the three ...
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84 views

OpenNebula glusterfs cannot create on volume

I try to create a VM on my gluster volume, it fails with the following message: Wed May 20 20:37:30 2015 [Z0][DiM][I]: New VM state is ACTIVE. Wed May 20 20:37:30 2015 [Z0][LCM][I]: New VM state is ...
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32 views

Cpu overuse replicating a Gluster Volume

I've this scenario: srv01 srv02 srv03 there is a gluster volume "vol1" running on srv03, and all the servers can use for i/o. vol1 contains a lot of mixed side images, ranging from few kbs to 3-4Mb, ...
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94 views

glusterfs centos 7 - won't start

I am attempting to bring up a glusterfs cluster on two nodes. The only thing that might be a little complicated about my setup is that I have two nodes connected to each other through a cross connect ...
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68 views

File locking with CTDB and GlusterFS not working

We are having issues getting our GlusterFS and CTDB implementation to work. It could be that what we are attempting to do is not supported but I'm not able to understand why. We have two file servers ...
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65 views

Can rsync ignore a directory's atime entry when creating it's file list?

I am using rsync to copy data from a local LVM drive to a locally-mounted glusterfs mount. I'm trying to bring them in to sync and eventually cut over to just using the glusterfs mount. Here is the ...
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44 views

Convert a GlusterFS From Distributed-Replicate to Distributed-Only Then Back Again

I have a 4-node distributed-replicate setup running 3.5.2 that I am trying to get synced up with an existing NFS solution; I want Gluster to replace NFS once they are both in sync. These servers are ...
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35 views

glusterfs unable to read gsyncd status file

Goal I wanted to try glusterfs geo-replication in some virtualboxes on my computer for later use distributed on multiple sites. Configuration I installed glusterfs 3.6 on ubuntu 32bit servers like ...
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157 views

Glusterfs: Initialization of volume 'fuse' failed, review your volfile again

I have a GlusterFS volume hosted on a remote server. I can mount it from one of my other servers when I try to mount the volume, I get following error [2015-04-15 20:52:24.149773] I ...
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366 views

Systemd: start a unit after another unit REALLY starts

In my particular case I want to start remote-fs unit after all glusterfs completely starts. My systemd files: glusterfs target: node04:/usr/lib/systemd/system # cat glusterfsd.service [Unit] ...
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76 views

Cluster vs Virtualization [closed]

I’m working in releasing a video hosting website (files are from webcams) Each file size will be less than 1 mb. I would like to be able to easily extend my storage capacity and have high ...
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1k views

Is it a good idea to store Docker volumes in glusterfs?

I am currently thinking about migrating some of our servers and apps to a coreos enviroment. One of the problems I see here is the management of persistent data as coreos does not handle Docker ...
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180 views

Manage oVirt environment

I'm starting to deploy oVirt in one of my works, and I have a lot of questions about how to manage everything when you start using it. First I'll describe my setup. I have three machines, two ...
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330 views

CentOS 7 - Systemctl dependency problems with network mount and OpenSM

I have the follwoing problem. I want to mount a glusterfs share over Infiniband on an CentOS 7 client. The glusterfs share '/data' is severed by a host called storage1. For the client I I setup and ...
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25 views

Glusterfs network assignment

I'm setting up a test system with a distributed, replicated GlusterFS volume. I currently run 2 nodes with 2 NICs each. The idea is to have replication and all other gluster internals on one network ...
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63 views

Best scenario for global data replication and distribution between multiple servers [closed]

I need to store and serve about 30TB of data (for now) and the number will increase pretty fast. I also have to keep costs low, so I will have servers with no RAID at all. Instead data should be ...
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310 views

GlusterFS snapshot backup solution

We're looking for a fast way to take point in time snapshots of our gluster bricks. It is not crucial that it is a perfect point in time snapshot (i.e if files change/get added/removed during the ...
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glusterfs: failed to get the 'volume file' from server

I have a GlusterFS volume hosted on a remote fileserver. I can mount the volume from my webservers in the same DC as well as other servers in other DCs however when I try to mount the volume on my ...
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55 views

Only one server of GlusterFS pair is working

I've created a GlusterFS server pair, with GlusterFS v 3.2.5 (because Debian uses that version, and all our servers are Debian), using the official guide: ...
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120 views

postfix parameter default_privs

I have set default_privs=myuser in main.cf, which is a perl script, executed in the context of this user. In the perl script I added some debug to print out the user: my $exec_username = ...
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94 views

gluster libgfapi HA

I was exploring KVM_qemu with gluster distributed storage. My goal was to build a test cluster with complete HA . i.e HA for VMs as well as gluster storage . I'm planning to setup a 3 node gluster ...
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88 views

Does hardware RAID1 offer significant advantages to S/W RAID in a computer cluster that's highly redundant?

I'm about to set up a Linux cluster of 5 physical server nodes (more nodes to be added later, probably). the cluster will be managed by Proxmox (and yes, it works in software RAID) shared storage ...
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149 views

Security concerns with glusterfs?

I am not really good at gluster as I just started using this yesterday. I have 2 servers. Both are running glusterfs-servers. From server 1: I run sudo glusterfs peer probe server2 and it is added ...
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1answer
241 views

Configuring Puppet to set up Cinder with GlusterFS

I've spent quite some time now attempting to configure Puppet so that it will setup Cinder to use GlusterFS as the backend, rather than the LVMISCSI backend, but I haven't had any luck. Versions: ...
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99 views

glusterfs uid/gid mapping on Debian Wheezy

So I setup a glusterfs volume and it works all fine, but I can't seem to figure out how to mount it with permissions other than root. Supposedly there's options like translate-uid that can be ...
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74 views

Automatically scale a Gluster cluster

I'm trying to configure a proof of concept where a server automatically gets spun up and joins a replication cluster. When the server is no longer needed, it gets spun down, and automatically removed ...
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107 views

GlusterFS replication between DCs without unnecessary overhead?

For testing purpose, I installed four GlusterFS nodes and created a replicated volume with a replicate count of 4. Two Gluster nodes reside in DC A, while the other Gluster nodes reside in DC B. Now ...
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135 views

Does the GlusterFS “client” prefer local LAN nodes over remote LAN nodes?

I am currently having a closer look at GlusterFS. For testing reasons, I set up four virtual machines in total, each of them act as a Gluster peer. Since I have access to two DCs (which are located ...
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420 views

GlusterFS Geo-replication resync

We are using two servers separated by a WAN to replicate approximately 1TB of data. On the master side we have a single server with a Gluster volume exported to a number of other servers that write ...
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1answer
70 views

IS GlusterFS filesystem partition smart enough to shrink in size due to new data on the server?

I'm new to GlusterFS but it works really well for me as a distributed file system. I have a question about my setup and if I should use the partition I store the GlusterFS brick on for anything else. ...
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15 views

Can nodes with an Intel Atom processor keep up with glusterfs? [duplicate]

I'm considering hardware for a glusterfs replica volume. Each brick would reside on a node each, and I've been looking at a Supermicro 5015A-PFH for the nodes. This server comes with an Atom ...
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2answers
456 views

install Gluster inside a VM, or set up a VM on top of Gluster?

I'm setting up a high-availability shared-nothing geographically-distributed web server, using multiple A-records for its domain. Right now I'm more concerned with high availability -- "When I unplug ...
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39 views

glusterfs with puphpet on ubuntu 14.04

I am not able to find peers on two ubuntu 14 servers. I am using puphpet.com to make my puppet machines. I followed this tutorial: ...
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1k views

Limit on number of raid arrays in a HP P420i

On the spec sheet of P420i HP raid controller, it says the maximum number of logical drives is 64 with 512 mb cache or above. But what is the limit of the number of arrays one can create. For ...
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74 views

Rename a GlusterFS Peer

I have a 2 peer GlusterFS system. It was initially created using simple hostnames file01 and file02. These hosts were added to /etc/hosts to make it work. Now we want to start using FQDN because we ...
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78 views

No access to glusterfs mounted directory

I have two nodes for GlusterFS and Apache on localhost and a PHP uploader form. I need to store uploaded files to GlusterFS, but there is a permission error that i can't access to the mounted ...
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257 views

Strange memory usage behavior in GlusterFS machines

I'm running into a strange high memory usage problem in my environment. I have a two GlusteFS nodes that are serving 26 replicated volumes. Each morning, both servers will consume the majority of all ...
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67 views

Stop gluster volume to increase initial sync

I have a question with no answer at the moment. I have a running glusterFS node of 2 brick, replicated. From a third server we are migration around 1.5T small files (less than 1 kb) to the node01, ...
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1answer
462 views

Why is GlusterFS so slow here?

We've set up a mirroring pair of GlusterFS servers. No special tuning, whatever came "out of the box" with GlusterFS-3.5.1 in the official RHEL6 RPM, that's what we have. The cluster works, but the ...
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1answer
129 views

How to monitor GlusterFS clients?

We are doing Ok (we'd like to think) monitoring our GlusterFS servers via Icinga. We'd like to monitor the clients too. Other than making sure, there is a glusterfs process running for each ...
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51 views

Geo replication for a GlusterFS mirror

I'm assigned with a task to setup a HA setup and what I'm looking for is if it possible to have GlusterFS do the following: DC1: 2 glusterFS servers are set in replication DC2: 2 GlusterFS servers ...
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1k views

GlusterFS - Replication Over Odd Numbers Of Nodes

I tried to create a replicated volume across my 3-node cluster with the following command: sudo gluster volume create \ replicatedStorage \ replica 2 \ transport tcp \ gluster1.mydomain.com:/data \ ...
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153 views

Zabbix Graphs Data is Intermittent

We use Proxmox VE as our virtualization environment, and recently upgraded from 2.X -> 3.X. We also made the change from a single host to a dual host cluster. And, last but not least, we moved our ...
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744 views

How to lower Gluster FS down peer timeout / reduce down peer impact?

The setting: Two fresh CentOS 6.5 server with latest updates. Both have a fresh install of Gluster 3.5.2. What I did ( from the perspective of server 2, shared1 and shared2 are logical volumes ) : ...
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144 views

GlusterFS Fast Write Slow Read on CentOS EC2

As part of my testing stateless instances, I have setup GlusterFS in the following configuration: 1x m3.medium Amazon Linux GlusterFS Server, acting solely like a NFS share. 2x m3.medium CentOS ...