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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170 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 ...
1
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2answers
708 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 ...
0
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1answer
220 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
245 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
2k 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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2answers
555 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 ...
0
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2answers
1k 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
1k 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
9k 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
2k 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
2k 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
2k 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
2k 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
927 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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1answer
633 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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3answers
275 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 ...
0
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1answer
285 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 ...
4
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2answers
2k 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
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1answer
282 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 ...
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2answers
3k 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 ...
2
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4answers
874 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 ...
0
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1answer
426 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 ...
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4answers
1k 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
3k views

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

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
8k 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
277 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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1answer
289 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 ...
3
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1answer
3k 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 ...
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0answers
2k 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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1answer
36 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
645 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
766 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 ...
2
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1answer
713 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
2k 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
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2answers
234 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
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1answer
132 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
2k 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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vote
1answer
720 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 ...
0
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1answer
264 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
86 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 ...
9
votes
3answers
12k 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 ...
4
votes
2answers
5k views

installing glusterfs on amazon ec2

My drupal website running on Amazon EC2 cloud. My instances use S3 storage for dynamic files. But I realized that S3 is too slow and it may cause problems. I want to use glusterfs instead of S3. To ...
0
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1answer
185 views

How many Gluster Volumes is allowed in single server

I have created one Gluster Volume sudo gluster volume create devshare transport tcp server1:/mnt/test GFS1 in server1 and able to mount the share on server2 sudo mount -t glusterfs ...
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1answer
69 views

Owner/Group issue on Mirror server

I am running Gluster-FS with a High-Availability Storage setup. Both client and server nodes have NginX running to serve same files. main.mysite.com mirror1.mysite.com ..etc.. The problem is that ...
1
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0answers
2k views

Import Xen Server VHD

I am trialing using a distributed file system as the backend storage for my Xen Servers. I have set up the DFS (distributed file system) (using CentOS and GlusterFS) and everything is working ...
0
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1answer
766 views

Certain operations like 'ls' hang in 4-node gluster setup

I have a 4-node gluster setup with replication set to 2. The 'ls' command hangs on the Gluster mount that I have created. The other operations such as creating a file or reading a file work fine. ...
5
votes
1answer
909 views

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 ...
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votes
2answers
730 views

Should I disable Software-RAID if I already have a redundant copy

My hosting provider preconfigures the servers I rent with RAID-1. However, for redundancy, I am planning to have another copy of the data on another server using GlusterFS. Can I disable the RAID-1 ...
1
vote
1answer
4k views

Gluster bricks are offline and errors in logs

I have substituted all the IP addresses with hostnames and renamed configs (IP to hostname) in /var/lib/glusterd by my shell script. After that I restarted Gluster Daemon and the volume. Then I ...
0
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1answer
435 views

Gluster volume create -> host not a friend

If I use IPs to create Gluster volume, it works well, but when I use hostnames, it says: Host glustertest1 not a friend glustertest1 is Route 53 name which resolves to EC2 Instance private address. ...