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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Distributing website files with local redundancy [on hold]

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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2answers
30 views

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
15 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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1answer
24 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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1answer
110 views

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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0answers
10 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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2answers
46 views

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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0answers
35 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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0answers
102 views

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 ...
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5answers
522 views

DRBD vs. GlusterFS for replication

I need to build a solution to host internal git repositories. It needs to supports hundreds of thousands (or more) repositories. I plan on using multiple "dumb" servers with a shared storage, so ...
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0answers
164 views

the file-system of kvm virtual machine went to read-only after live migration

I setup my kvm virtualization environment with GlusterFS, the topology as follows: KVM1 ---------- KVM2 --------------KVM3 |----------------------|-------------------------| ...
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1answer
135 views

glusterfs 3.2.5 transport endpoint is not connected

I have been trying to setup a mirror across 2 servers with gluster (3.2.5) on ubuntu 12.04 for a day or so now and can't figure out what I am doing wrong. I have a openvpn tunnel between the two vps ...
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2answers
171 views

NFS on Btrfs on multi-devices .vs. Glusterfs on distributed-volume?

I considering a storage for Email. This storage system run on my own private cloud (already replicated), then i does not care about replication. I'm thinking about 2 options: 1- I will create few ...
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6answers
311 views

Distributed file system with local disk cache

My server infrastructure is growing fast and I decided to create a distributed storage cluster. I've been looking for a proper filesystem for this task which meet my requirement, but none of them ...
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1answer
184 views

Benchmarking GlusterFS & NFS on AWS using iozone and dd gives different results

I have tried benchmarking GlusterFS vs NFS on Amazon Web Services (AWS) using a m1.medium sized EC2 instance. We use the AWS EBS as the block store, with a XFS file system. Running Ubuntu 12.04 ...
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0answers
72 views

Glusterfs denied mount

I'm using GlusterFS 3.3.2. Two servers, a brick on each one. The Volume is "ARCHIVE80" I can mount the volume on Server2; if I touch a new file, it appears inside the brick on Server1. However, if I ...
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0answers
64 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 ...
3
votes
1answer
131 views

Choice of distributed filesystem for intensive reads and writes

I have a series of servers (HP ProLiant, 34 servers) each of which with 500 G of hard drive space. These servers are part of a computational cluster which runs processes that roughly fall into two ...
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0answers
101 views

GlusterFS distributed setup for 32 disks on 32 machines

I have 32 machines with identical disks (500G): they have two partitions, one for the OS (Debian 7) in ext4 (16G), and a XFS partition which covers the rest of the disk. They're connected through ...
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1answer
109 views

Is there a way to synchronize my distributed storage infrastructure with file changes possible on each location? [closed]

I need a storage device in 3 different location. Each device will have 4TB of storage. At least 2TB should be a 'shared folder' working like Dropbox: when a user change a file in one location, the ...
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0answers
40 views

Is there a O(1) way to tell the maximum file size for a glusterfs volume?

AFAIK, the maximum file size of a gluster volume is the size of its smallest brick. While commands such as gluster volume info do say what bricks make a volume, no size information is given with it. ...
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2answers
461 views

Can XFS or GlusterFS replace my ZFS needs?

Right now I have a FreeBSD hosts with ZFS and NFSv4. It is replicated to another FreeBSD box for backup purposes. The ZFS features that are important to me are software RAID6 snapshots, or some ...
2
votes
1answer
144 views

What kind of “volume/storage management” has the largest support/feature set these days? [closed]

(DISCLAIMER: This is "time bound" as probably every other question, I just point it out now instead of implicating it) part of reviewing a few basic decisions for our infrastructure is once again the ...
2
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2answers
643 views

Glusterfs distributed replicated small files performance

I've set up 4 distributed replicated servers with glusterfs on top of xfs partitions on hyperv server (dynamic vhdx) virtual disks. The NICs are 6x1Gbit (teamed on hyperv). I share it through samba ...
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4answers
195 views

Linux file/storage server to be used in windows environment

I need to create storage server (file server) to store backups and user files from Windows machines. I'm thinking to take CentOS 6.3 as a new server OS and setup samba sharing. All of the sudden I ...
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1answer
151 views

GlusterFs + zfs xattr

i'm trying to setup a small fileserver using GlusterFs over Zfs over two boxes that are currently running ubuntu 13.04. i'm currently using glusterfs and zfs-fuse from ubuntu repositories and with ...
2
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0answers
62 views

How do I perform an I/O network performance benchmark [closed]

For testing read in an attached devices I use hdparm, now I installed glusterfs and I need to perform a network filesystem benchmark. What tools you will use in this case ?
5
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1answer
257 views

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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2answers
283 views

GlusterFS - 'Host not connected' when creating a volume on VBox VMs

I'm trying to deploy a simple GlusterFS cluster on CentOS using Virtualbox. I only have two nodes (gluster-node1 and gluster-node4) with two bricks each and I'm creating a volume with replica level 2. ...
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2answers
884 views

Why can't I create this gluster volume?

I'm setting up my first Gluster 3.4 install and all is good up until I want to create a distributed replicated volume. I have 4 servers 192.168.0.11, 192.168.0.12, 192.168.0.13 & 192.168.0.14. ...
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0answers
68 views

Replace a gluster fs brick with a new server

Important details: We're running gluster 3.2.5 across 4 servers (two at each data center that replicate to the other two) all running debian squeeze (although if possible I would like the ...
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0answers
58 views

Disable glusterFS reverse lookup for hosts

I have set up a distributed GlusterFS volume on 3 bricks. However, since a network issue site-wide, one of the servers is unable to start glusterd. The reason is because the reverse DNS lookup gives ...
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1answer
130 views

What is the best private cloud storage setup

I need to create a private cloud and I'm searching for the best setup. These are my 2 most important requirements 1. Disk and system redundant 2. Price / GB as low as possible The system is going to ...
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1answer
628 views

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 ...
0
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0answers
425 views

Cant mount GlusterFS volume on EC2 client

After a few days of trial and error I have successfully created my gluster volume on an EC2 instance (a single one at the moment) and it is successfully started… [root@domU-12-31-39-10-26-7E ...
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0answers
41 views

Client install glusterfs 3.2.5 doesn't work with server install glusterfs 3.0.2

I have 4 servers running glusterfs (3 servers and 1 client) 4 servers are installed ubuntu 10.04 LTS and glusterfs 3.0.2. But yesterday I upgraded OS client from ubuntu 10.04.04LTS to 12.04LTS and ...
1
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1answer
30 views

Trying to add more mirror servers

I currently have 2 vps running on the same provider and they serve web files. server1.example.com server2.example.com I used glusterFS to create a file Replication system between 2 nodes. ( server1 ...
3
votes
1answer
257 views

GlusterFS Mount Keeps Disconnecting Randomly

We are using GlusterFS to provide a distributed file system on 2 web servers which use a shared media directory and cache. So i have created 2 gluster volumes (media and var) and have mounted these in ...
1
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1answer
246 views

Can I use an Amazon Load Balancer in front of multiple GlusterFS EC2 instances?

I'm encountering an interesting problem with setting up a High-Availability file system cluster on EC2. The idea behind the setup is simple: 2 GlusterFS nodes are in two separate availability zones ...
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0answers
37 views

GlusterFS and Hardware? [duplicate]

I was reading glusterfs documentation and was unable to find information about how to design the hardware platforme to match one's need. The thing is that you can build your system on top of commodity ...
2
votes
1answer
159 views

How can I repair dir total-size with gluster self-heal

I build a glusterfs cluster, and the type is the Striped Replicated Volumes with 4 servers like that: Volume Name: test-volume Type: Striped-Replicate Volume ID: bdb596e6-a7d2-44a4-8791-1b4fdc57469c ...
2
votes
2answers
321 views

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 ...
4
votes
2answers
193 views

Distributed storage [closed]

At my University Department we are about to upgrade the computers of our student lab (about 25-30 machines). The machines will be running Linux. One thing about the new machines is that they have ...
1
vote
1answer
86 views

connection lost to glustferfs when amazon ec2 internal ip address changes

My web site running on EC2 instances. Web servers stores dynamic data in glusterfs servers. When the glusterfs instances are restarted, their ip addresses changes, so that web servers lost the ...
2
votes
1answer
663 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 ...
1
vote
1answer
208 views

ec2 instance cant mount glusterfs server

My EC2 instance tries to mount glusterfs volume whic located on another EC2 instance . client instance's /etc/fstab file contains: glusterserver1:/export/brick1 /mnt/glusterfs glusterfs defaults 0 ...
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1answer
2k 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 ...
0
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1answer
170 views

insalling glusterfs client on Amazon Linux AMI

I created glusterfs instances using Ubuntu TLS AMI. I want my existing instances (Amazon Linux AMI) connect to glusterfs servers. There is no Amazon Linux folder at the glusterfs's download page: ...
0
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1answer
61 views

defining EBS volume size to use with glusterfs

I'm trying to build a glusterfs network file system on Amazon EC2. I trying to define EBS Volume size. I'm planning to use 2 x 12Gb volumes at the begining stage and then add extra volumes in the ...
6
votes
3answers
3k views

Are ZFS clustered filesystems possible?

Is it possible to create a ZFS cluster? Or would you need to go the seemingly ugly (to me at least) route of ZFS with UFS formatted pools governed by GlusterFS? The idea is to see if it is possible ...