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 configuration files and chef

Seems impossible to find any info on configuration files for Gluster's most recent version (3.2.x). I'd like to use configuration files as opposed to the CLI because I'd like to automate ...
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20 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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1k views

failed to fetch volume file

When my client try to connect gluster server it gives below error: [glusterfsd-mgmt.c:1627:mgmt_getspec_cbk] 0-mgmt: failed to fetch volume file (key:gluster_vol_0) My client is an Amazon Linux ...
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1answer
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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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Ubuntu 12.04 glusterfs volume failed to mount at boot time

I have just setup 7 KVM guests, all running Ubuntu 12.04 LTS 64bit Minimal server to test out glusterfs 3.2.5 from the Ubuntu official repo. Two of them form a mirrored pair (i.e. replica 2), and five ...
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69 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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137 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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How to monitor glusterfs volumes

Glusterfs, while being a nice distributed filesystem, provides almost no way to monitor it's integrity. Servers can come and go, bricks might get stale or fail and I afraid to know about that when it ...
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59 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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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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14 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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24 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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1answer
52 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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1answer
148 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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24 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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39 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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123 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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31 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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205 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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36 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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1answer
271 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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1answer
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Gluster + ZFS, deadlock during benchmarking: zfs_iput_taskq 100% cpu

First some background: I work at a company that runs a PHP-webapplication. We have a storage backend mounted over NFS on several webservers. Today we have the issue if one webserver writes a file over ...
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97 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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1answer
174 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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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 ...
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GlusterFS failing to mount at boot with Ubuntu 14.04

Previously I asked about mounting GlusterFS at boot in an Ubuntu 12.04 server and the answer was that this was buggy in 12.04 and worked in 14.04. Curious I gave it a try on a virtual machine running ...
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1answer
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How to prevent a service from starting until a volume is mounted?

Using Ubuntu 12.04 or 14.04, how can I prevent an upstart service from starting until a couple of network volumes (GlusterFS) get successfully mounted?
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Is GlusterFS a good pick for keeping webservers in sync?

I've got 2 webservers, with the chance of having to add more servers along the way. Right now I keep these servers in synch using lsyncd + csync2. It works well performance wise because all files are ...
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1answer
109 views

Start Apache after GlusterFS mount on boot

I want to start Apache after mounting a NFS (GlusterFS) share, but it keeps starting before the mount step. I set the order in /etc/rc*.d/ but it didn't work. I always can edit the scripts to sleep a ...
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What's the best way to sync folders across 03 or more webservers? [closed]

I have 03 servers and I want to sync some folders across them. I'm using DRBD + OCFS2 for a year or so, but it doesn't support more than 02 servers right now. I read about GlusterFS and CEPH, but ...
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1answer
128 views

Mounted Gluster volume keeps reverting to “root” permissions

Ive got GlusterFS running on an AWS server and its mounted to another AWS server. The folder that is mounted though keeps reverting to "root" ownership, when this happens uploads fail from the web ...
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521 views

Mounting GlusterFS share under www-data user

Problem: After directory is auto-mounted, Web Server has no write permissions to it. Question: How to auto-mount GlusterFS endpoint via /etc/fstab so that mount point belongs to www-data after it's ...
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GlusterFS and ZFS snapshots

I know many people are using GlusterFS on top on ZFS. I'm wondering about snapshots: how do you ensure snapshot homogeneity among the nodes? I mean if you do a snapshot on a node, how can you be sure ...
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GlusterFS is failing to mount on boot

I'm running the official GlusterFS 3.5 packages on an Ubuntu 12.04 box that is acting as both, client and server, and everything seems to be working fine, except mounting the GlusterFS volumes at boot ...
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349 views

Client SSL fails with GlusterFS 3.5

I'm running GlusterFS 3.5 from the official Ubuntu packages on Ubuntu 12.04 and when I enable client.ssl, mounting starts to fail. The error I'm getting is: [2014-06-13 10:33:52.690770] E ...
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56 views

Execute PHP script on Glusterfs mount point

I actually try to run a PHP script on GlusterFS mounted point. So, I have GlusterFS volume gfsvol mounted on /mnt/data: mount -t glusterfs gfs0:/gfsvol /mnt/data I can r/w on it ... BUT when I try ...
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121 views

Glusterfs : 'No route to host' for fstab mount in CentOS

I am using glusterfs, and am using fstab in this way: <IPADDRESS>:/<VOLUMENAME> /some/mount/point glusterfs defaults,_netdev 0 0 but the logs for the mount continue to say the following. ...
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1answer
62 views

automount volume only after bootingup

I have configured glusterfs between two ubuntu servers and mounting the gluster volume under /var/www directory. Since I am using only two servers, I had to install glusterfs-client in the same ...
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1answer
307 views

GlusterFS fails to mount on boot but mounts later in Ubuntu 12.04

Having two machines, profitmargin and revisionist, I created a volume in profitmargin: root@profitmargin:~# gluster volume info Volume Name: uploads Type: Distribute Status: Started Number of ...
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1answer
3k views

GlusterFs - high load 90-107% CPU

I try and try and try to performance and fix problem with gluster, i try all. I served on gluster webpages, php files, images etc. I have problem after update from 3.3.0 to 3.3.1. I try 3.4 when i ...
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373 views

GlusterFS issues - volume heal static info split-brain : FAILED

I have been having these GlusteFS problems ever since I started monitoring this. Any idea how this can be fixed? [2014-05-07 09:50:02.511879] : volume heal static info split-brain : FAILED : ...
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1answer
207 views

glusterfs mounts get unmounted when 1 of the 2 bricks goes offline

I have an odd case where 1 of the 2 replicated glusterfs bricks will go offline and take all of the client mounts down with it. As I understand it, this should not be happening. It should fail over ...
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386 views

How to replicate existing files using GlusterFS

I am testing GlusterFS to replicate data across two test servers. I have followed this excellent step by step Howto and everything worked flawlessly. I have successfully added the peer, created a ...
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2answers
120 views

Distributing website files with local redundancy [closed]

So we're looking at migrating our single dedicated server (set up like shared web hosting) to an architecture with multiple load-balanced front-end servers plus separate database servers (due to ...
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1answer
121 views

Gluster fallback mount

I have a server which content is on a gluster mount. The underlying brick is on the same machine. I was wondering if there is a possibility to set up some kind of fallback in case gluster ...
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top and htop disagree on memory usage, but swap is being used on GlusterFS server. Can this be improved?

If I run free -m, top and htop, I get different memory uses. The system is also using a small amount of swap. I understand from this question why they are reporting different values (some of the data ...
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1answer
126 views

Issues when monitoring a gluster FS mount with Nagios via sudo

I have been monitoring a gluster FS mount with the following script, but have issues executing the script via NRPE. Here's my script on the remote box. /usr/lib64/nagios/plugins/check_gluster.pl ...
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2answers
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Scale-out distributed storage with snapshots

I'm aware there are many similar questions around, several with great answers. I still haven't quite found what I'm looking for though: a distributed, scale-out FS that supports snapshots. Gluster ...
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104 views

Glusterfs volume Id error

I seem to have hit glusterbug 991084 https://bugzilla.redhat.com/show_bug.cgi?id=991084 I try solution: (vol=machines; brick=/export/sdb1/brick; setfattr -n trusted.glusterfs.volume-id -v 0x$(grep ...
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Firewall/iptables rules for GlusterFS

A great pleasure would be to know which exact iptables rules to use for securing GlusterFS 3.4.2 (with Debian Wheezy) in shared environment. I'm running some dedicated servers at ISP. There are two ...