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.

GlusterFS is a scale-out NAS file system. It is free software, licensed under the GNU GPL v3. It aggregates various storage servers over Ethernet or Infiniband RDMA interconnect into one large parallel network file system. GlusterFS is based on a stackable user space design without compromising performance. It has found a variety of applications including cloud computing, biomedical sciences and archival storage. GlusterFS was developed originally by Gluster, Inc., then by Red Hat, Inc., after their purchase of Gluster in 2011.

330 questions
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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 to the cluster. There was no questions asked. I did…
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GlusterFS split brain with no path, what does it mean?

I was just checking the status of my glusterfs volumes and I have one with split-brain entries that have no path: # gluster volume heal private_uploads info Brick…
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3 answers

glusterfs mount on boot on clustered servers - RHEL 7

I have configured gluserfs on a pair of servers and I'm able to mount this on my client machines. I want to also be able to mount the glusterfs filesystem on both of the glusterfs servers on boot when I take both machines offline and start them…
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Gluster: What's a Brick vs a Node

I'm having a small problem understanding Gluster Bricks and Nodes. In particular, on the 3.3.0 Administration Guide, eg, page 12 - 13, the discussion on "Striped Volumes" vs "Distributed Striped Volumes". See chapter 5, page 9, for the…
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Can someone explain this GlusterFS setup?

After digging around to understand how to setup replication using gluster I've come across this question: Can Apache Read The GlusterFS Brick Directly But Write To The GlusterFS Mount? I've also found a how that seems to explain the same thing, and…
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How to reset glusterd configuration?

Somehow I can not get glusterfs running again on ubuntu 14.04. I used to have it up and running a few days ago, including a configured volume. Then I removed the start script from autostart. Now I get "failed" on starting the daemon. Then I purged…
merlin
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GlusterFS direct I/O mode

Could you please help me to understand 'direct-io-mode' in GlusterFS. I'm getting better read results with direct I/O mode disabled - is it mean that in disabled mode it's writing/reading from cache - is it a system cache or GlusterFS cache? What's…
HTF
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glusterfs to replicate files to other servers

I've got multiple servers which all need to have the same content in /home. In other words, if the file /home/user1/test.txt is updated on server A, this needs to be replicated to all other servers in the cluster. Is it possible to use GlusterFS for…
sbrattla
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GlusterFS peer appears disconnected in one of the peers

I have am using a GlusterFS cluster with a Trusted Storage Pool consisting out of 4 peers. example-prod (100.100.250.197) example-storage1 (100.100.248.178) example-storage2 (100.100.250.25) example-storage3 (100.100.255.40) It is working…
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GlusterFS Client - Check if sync finished

I want to use GlusterFS with my web server. Before I bring a new web server instance online in the load balancer, I was wondering if there's a way to check if the files are done syncing? For example, if I have 50,000 files on the Gluster Server, is…
Aaron
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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 the most obvious direction for me to go in is a…
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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 at different locations), I have created two of the…
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1 answer

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 in data. On the slave side we have a single server…
Antitribu
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GlusterFS unable to add a new peer

I am playing with / testing GlusterFS and I like it so far. I think I can put it to good use. I setup 5 Virtual Machines on a server (this is just for the playing/testing part) and installed Ubuntu 12.04 Server on 4 out of 5 and Debian 64bit on the…
Luma
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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 of a volume. I know how to fix it but if such…
Salsa
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