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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.

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Heavy network usage withg GlusterFS FUSE client

I have a simple GlusterFS 7.2 setup with 3 servers: data1 and data2 contribute several bricks (4 each) to a distributed replicated GlusterFS volume. host1 uses the GlusterFS FUSE client to mount the shared filesystem, but does not contribute…
Ben
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Single Gluster peer rebalancing inconsistently

I have a pool of 5 Gluster servers with individual bricks for a volume operating in Dispersed mode, to which I have added an extra 5 peers with individual bricks in another datacenter, making this volume mode become "Distributed-Dispersed" with a…
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Optimal volume setup in Glusterfs

I have a number of servers and am wondering what the most optimal volume setup would be. Initially, there'll be 5 servers but over 20 later on. Each server has 16 x 3TB drives. Essentially, I want to provide one, large volume with a good level of…
Gaspode
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HAProxy + Dovecot + Gluster

I'm looking to setup 2 dovecot servers behind HAProxy using gluster for a high-availability solution. From the reading I've been doing, it seems that dovecot highly suggests the use of the dovecot director when both dovecot servers have access to…
Aaron A
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How to test and evaluate performent of a storage system? Compare between NFS and GlusterFS?

I have an exercise at school about the title question,I have google search for couple of hours but I'm not found anythings useful. I only know that when come to HA, GlusterFS remove the single point failure compare to NFS Are there anythings else to…
Lê Minh Quân
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What could cause a mount to suddenly unmount?

I have been running glusterfs 3.4 in AWS for a couple months now, over the past month the glusterfs mount has disappeared from the gluster client server. Stats from the client server seem normal, The main gluster server will have a CPU spike at…
Ron Russey
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K8S: securing GlusterFS

I have a question on how to divide access to the same gluster for different K8S namespaces. Let's say, I have 3 different volumes (vol-a, vol-b, vol-c) in a gluster and I'd like to permit access to each of them for each of different namespaces…
Volodymyr Melnyk
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Can't enable NFS on two-node Ansible provisioned GlusterFS cluster

I have two nodes (running Armbian Bionic, based on Ubuntu 18.04) set up to create a distributed Gluster storage, provisioned via Ansible. I think the relevant part of the Ansible playbook is this: - name: Configure gluster volume …
hpy
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glusterfsd Ubuntu 18.04 high iowait issues

We're running gluster on two hypervisors running Ubuntu. When we upgraded from Ubuntu 14.04 to 18.04, it upgraded gluster from 3.4.2 to 3.13.2. As soon as we upgraded and since then, we've been seeing substantially higher iowait on the system, as…
kartik_subbarao
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Does GLusterFS / Fuse properly support mmap()?

Background I've been having some file locking issues with running Dovecot IMAP storage on a triple-replicated Gluster Volume. The volume is mounted with the glusterfs type using defaults. This implies a FUSE mount. The OS is Fedora 28, kernel…
Tim
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GlusterFS memory leak

I am using glusterfs on Kubernetes for about 7GB of storage. I have 4 nodes, two of which are holding the replica sets. One of the nodes has a constant memory leak. Starts out at about 100MB then slowly increases. After 2 days it is 700MB. …
Chris
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Glusterfs brick size

I'm trying to deploy a gluster cluster with 12 nodes with 10 TB each one, but when I create the volume each brick is created with only 50GB, it must have the entire disk space i suppose. This is my config: Disk config in each node: NAME …
six2dez
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glusterfs client mount point fails with 'Client quorum is not met'

Assume a basic replica 3 arbiter 1 configuration, glusterfs-server 4.0.2 and glusterfs-client 4.0.2. glusterfs-client is installed on Ubuntu 18.04. In order to verify that write / read ops are permitted when one storage node is down as stated in…
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Gluster and "failed to fetch volume file"

I recently upgraded one of my gluster clients to a Debian stretch based system and am not able to mount any gluster volumes from it. My gluster server runs 3.4.2 on Ubuntu 14.04. The Stretch system is running some flavor of 3.8.x. The error I get…
Server Fault
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Can not change SELinux security context on Gluster FS folder

I can not change the security context of a folder which is created inside a Gluster-FS volume. Following is the error I keep getting. chcon: failed to change context of ‘test’ to ‘system_u:object_r:httpd_sys_rw_content_t:s0’: Operation not…
Srimal Nishantha
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