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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Change Gluster default block size

I'm building a Gluster server, using Gluster 3.7 on top of Centos7. In the profiling report, read is always in the same 128k block size. And write can aggregate to bigger block size, thus have higher ...
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13 views

GlusterFS over Internet using asymmetrical connections

I am setting up a storage-network with multiple locations and planned using GlusterFS. At the moment I have some questions: Geographical location: 3 offices each office has an asymmetrical ...
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Why does gluster require port per brick?

I am trying to find the reason why gluster needs a port for each brick. Can someone help me understand the reason or point me to some documentation for the same.
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11 views

Best topology for mirrored data servers in GlusterFS

I am currently laying out the topology for a GlusterFS cluster, which is expected to grow pretty fast. Therefore, scalability and resiliency are key in this regard. The topology I've come up with is ...
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26 views

GlusterFS rebalancing volume failed

We are using GlusterFS 3.7.11 for distributed/replicated volume. originally the volume was formed from 4 bricks each on one dedicated node. we added 4 nodes to our design and in order to extend the ...
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25 views

Can I do the GlusterFS setup with a LB or heartbeat service in SLES 12? If yes, How?

I've installed GlusterFS on Suse 12 with 2 VMs & 2 replica. When one server goes down it doesn't failover to the 2nd IP automatically. Can I do the same with a loadbalancer or heartbeat service? ...
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15 views

Why are files listed in gluster heal info?

I have four volumes replicated on two bricks. One brick was down for about 4 hours, and when I brought it back up the self heal started. It's been two days now, and running gluster volume heal info ...
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24 views

Multiple disk sizes for best case parity in gluster

I'm currently stuck with my current situation in creating a Distributed File System. I have 2x 8TB drives 2x 4TB drives 2x 2TB drives 2x 1TB drives I've been looking into glusterfs and it seems ...
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47 views

GlusterFS Distributed-Replicated volume performance

I'm making some tests to choose a distributed filesystem solution and now I'm focusing on GlusterFS. So I've made some test writing batches of 1000 files x 4kB to volumes mounted with glusterfs client ...
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10 views

Uploading files from a Webserver to GlusterFS?

So the question is exactly what the title suggets. If I have a dedicated server set up using GlusterFS... How would I transfer a file from the web server (that is using Nginx) to GlusterFS and more ...
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15 views

Gluster errors and corrupted permissions

Today we faced a strange error while using gluster. The gluster log was full of [2016-04-18 03:54:32.164587] W [fuse-bridge.c:462:fuse_entry_cbk] 0-glusterfs-fuse: 128: LOOKUP() /jobs/...
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26 views

Is it safe for nginx-php-fpm servers in a pool to share config files on a GlusterFS volume?

I'm in the middle of setting up a pool of webservers using nginx with php-fpm. I'm using a glusterfs volume to hold php/html files. I've realized that keeping things like php.ini, and sites-enabled ...
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123 views

Postgresql with data on distributed file system

I am curious if somebody is actually running postgresql in production with on some form of distributed file system - glusterfs preferably, or anything. Now i have mesos/marathon running for hosting ...
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106 views

Speeding up GlusterFS in AWS

I needed a good NFS storage cloud in AWS, and since EFS is just in preview mode, I did some research, and GFS looked like it would be the best bet. Currently, I have two servers that are part of one ...
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30 views

Gluster for replication/propagation

Say I have a bunch of servers that access a gluster mount to serve files via http. Files are sourced internally, and are copied from an internal server to the gluster mount on one of the download ...
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203 views

How to properly configure a 2 node glusterfs system?

I am trying to make a 2 node linux servers with high available apache using glusterfs 3.7.6 for data replication and pacemaker+corosync as resource manager. However i'm seeing a problem with gluster ...
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156 views

Google Cloud Storage Fuse vs GlusterFS, pros, cons and costs

I'm setting up some web servers on Google Cloud Compute and I need a directory synced between all the servers to keep the web sites in sync. I'd also like to use the autoscaling feature to provision ...
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95 views

Using Glusterfs Dist-Replica Storage Pool for Hyper-V Virtual Machine Storage

Am chasing down some information regarding an upcoming project. So Basically we have a large Glusterfs Dist-Replica Storage pool running on ubuntu and we want to have several virtual machines running ...
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90 views

Why does Puppet (almost) always fail to write to my Gluster filesystem?

I'm using Puppet to manage some files that are shared between servers, by way of the GlusterFS file system. (The specifics shouldn't matter, but in this case things like /etc/httpd/conf.d and /var/www/...
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54 views

Restoring brick on new server failes -

I am triying to attach a brick from another server to a local gluster development server. Therfore I have done a dd from a snapshot on production and a dd on the lvm volume on development. Then I ...
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137 views

Gluserfs heal info shows gfid's only

I have a two-node GlusterFS setup. Each one has 2 replicates. One of the system was overloaded somehow. Then things started to go wrong. Currently I have all application shutdown. I'm short of ...
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620 views

Permission denied with Openshift PersistentStorage on GlusterFS

I'm trying to use OpenShift with PersistentStorage on a GusterFS cluster. I'm starting one of the default templates : mysql-persistent I've installed a GlusterFS cluster and create a volume ...
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94 views

glusterfs backup - how to migrate image to new server?

I am running glusterfs on a 3 node prod server with thinly provisioned LVM-Volumes. My goal is to automate a backup process that is based on gluster snapshots. The idea is basically to run a shell ...
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84 views

Clustered cron with one server only overlap allowed

I've setuped load balancers: lb1 (active) and lb2 (passive), Glustered web servers: web1 (active), web2 (backup), and some clustered database. Both web servers and databases are A pointed to the VIP ...
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114 views

Why does rebalancing glusterfs bricks fail?

I am running glusterfs on ubuntu 14.04 with 2 nodes. While trying to add a 2 bricks to the cluster I have started to rebalance the bricks. Unfortunatelly the status command tells me that it has failed:...
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63 views

How to change directory of glusterfs brick?

I have a glusterfs brick mounted on the following dir: /home/data/bricks/brick1/brick1 Now I would like to change it to: /bricks/project/brick1 According to the manual one has to migrate ...
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12 views

Planning For Growth with GlustreFS

I'm looking into GlusterFS and want to be able to add capacity one storage node at a time. I want to mirror data on two nodes at all times, and keep maintenance simple. I also want the cluster to keep ...
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15 views

Changing files in glusterfs volume instead of using a client

I have a volume with replication factor 2 on 2 nodes. So that each brick contains its own copy of all files... Is it possible to avoid using glusterfs client and write/read to/from volume directory ...
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52 views

Glusterfs: Unable to retrieve store handle for /etc/glusterd/vols/ufiles/bricks/(null)

At some point the serer which hosts my GlusterFS volume had its / filled. Because of this, glusterd stopped working. Now when I try to restart the daemon, it gives me following error: # glusterd --...
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121 views

installing GlusterFS 3.7.5 on AWS AMI

I am trying to install Gluster 3.7.5 on Amazon Linux AMI but cannot get passed error Error: Package: glusterfs-libs-3.7.5-1.el7.x86_64 (glusterfs-epel) Requires: rsyslog-mmjsonparse Error: ...
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88 views

Glusterd won't start after node crash

We had a 2 node cluster running GlusterFS. It's a 4 volume cluster, replica 2, one brick per server. Dead server: nnfs02 Live server with all data: nnfs03 New server: nnfs01 After nnfs02 died, we ...
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41 views

samba's ping_pong test on glusterfs

Has anybody been able to pass samba's ping_pong test (https://wiki.samba.org/index.php/Ping_pong) on glusterfs? I have used different versions of glusterfs (3.5.x, 3.6.3, 3.7.5) on both CentOS6/...
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134 views

symlinks on shared storage

Say I have a glusterfs mount that is shared between multiple servers, which is accessed by an application, and logs are written to a directory that would normally be in the directory tree of that ...
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229 views

GlusterFS can't create volume (error setting extended attributes)

So, I'm running GlusterFS (latest version) on 9 servers, and attempting to create volumes. They're all peers, and all that's okay. They're running in different geographical locations, on different ...
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114 views

DFS-style Replication for Samba?

I've been snooping around here for a while, and it looks as if glusterfs might be the answer to my question. However, I am fairly new to this, so a sanity check would be much appreciated! My setup is ...
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How can i sync exist files on brick to new brick with replication in glusterfs?

I successfully installed glusterfs and set up 'Replicate' on 2 servers sudo gluster peer probe $NODE1_DNS; sudo gluster volume create file_store replica 2 transport tcp $NODE1_DNS:/brick1 $NODE2_DNS:/...
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87 views

GlusterFS client retry mounting until servers are available

I have been researching, but unable to find, any best practices (or builtin) method to ensure a GlusterFS client mounts its volumes. The scenario: An outage has caused the client and fs servers to ...
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348 views

What is reasonable storage failover time that most OS (VM) can tolerate?

I have a GlusterFS 2 node 2 replica setup. I am planning to use it as OpenStack instance store, in which the VM disk image is stored. From my tests, if the GlusterFS node which the hypervisor ...
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92 views

Asynchronous file replication over WAN

I need to keep in sync the same directory on 2 linux servers in separate datacenters. The directory contains a lot of user data such as pictures, html, zip, pdf, doc etc. The data size is growing, ...
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193 views

How to stop glusterfsd?

I am running Gluster 3.7.x on 3 nodes and want to stop the service. Unfortunatelly this does not seem to work: sudo /usr/sbin/glusterd stop user@fx2:~$ ps -ef | grep gluster root 2334 1 0 ...
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558 views

GlusterFS Split Brain issue

I have been facing issues in performance with GlusterFS setup. We took a new build of application live and suddenly all GlusterFS clients and masters also started showing high utilization of CPU. This ...
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1k views

GlusterFS How to add replica brick to system

I am trying to add two bricks to a Gluster Volume. The two new nodes are in the network, and can be verified with: root /# gluster peer status Also the volume: Status of volume: mainvolume Gluster ...
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58 views

What is the recommended backup strategy for GlusterFS?

I have about 1M files in a GlusterFS with rep 2 on 3 nodes. What would be a recommended automated backup strategy for this setup? I already considered the following: 1) glusterfs snapshots in ...
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605 views

How to automate GlusterFS backups with snapshots and dd?

I want to automate backups on a glusterfs 3.7.3 share with snapshots. Creating snapshots on a LVM manualy works, but how are they secured to a different server? I was able manage that process ...
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225 views

Freshly created LVs do not survive reboot - check of thinpool failed

In order to use gluster snapshots, I am trying to create LVs through LVM as thinly provisioned logical volumes are needed to make gluster snapshots work. Creation works, but the setup does not ...
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glusterfs snap shots - basic questions

I am looking into the snap shot tool, following this tutorial: http://blog.gluster.org/2014/10/gluster-volume-snapshot-howto/ While having successfully created the LV, gluster volume and one snapshot,...
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174 views

Why is it not possible to mount a replicated gluster volume with one Gluster server?

I am running 2 glusterd on individual machines connected by private network. It apears that I can only mount the bricks if both deamons are up, otherwise it failes. As I am pretty new to glusterfs, ...
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240 views

Gluster fuse client not mounting :24007 failed (Connection refused)

Somehow one of the glusterfs servers does not mount through fuse client anymore while still beeing able to mount through nfs client. /etc/fstab has following entry: gs2:/volume1 /data/nfs glusterfs ...
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32 views

GluserFS - data out of sync

I have a glusterFS master - slave geo-replication. The data is out of sync and I would like to do a full sync (without having to do the full copy again -> 6.4 TB over network). The glusterFS version ...
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62 views

Why can't a glusterfs share be mounted with one gluster server?

I have two gluster servers installed on seperate machines. The function as failover and I do mount on each machine with the coresponding gluster client. This only seems to work if both gluster servers ...