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Questions tagged [ocfs2]

55 questions
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OCFS2/GFS2 dlm_join_lockspace no fence domain

Ripping my hair out on a new Pacemaker/cman/(OCFS2|GFS) config. I can't use the Pacemaker integration with OCFS2, since the Fedora team, in their wisdom, decided to remove the .pcmk. Supposedly, I don't need to configure fencing in…
phresus
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o2cb thinks ocfs2 cluster is still online, and refuses to shut down

I have a handful of OpenSuSE 11.2 servers that utilize OCFS2 volumes. I've noticed that o2cb can't figure out when the OCFS2 cluster is actually mounted. For example, when I try to shutdown o2cb, after stopping OCSF2, o2cb refuses to shutdown…
Kendall
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LinuxHA cluster, advice needed regarding shared storage

I'm setting up a two-node Heartbeat+Pacemaker cluster to run Xen domUs in a fail-over and live-migrate type environment. Storage is a LUN on an (EqualLogic) iSCSI SAN device. I initially wanted to use LVM to manage the storage, with each domU…
Kendall
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ubuntu cluster - so close but so far

Here's the set up: Two Ubuntu 9.10 servers - LAMP environment (not really an option to switch OS) One MD3000i with iscsi connection Here's what I'd like to do: Have both server see the files that the other one writes to the MD3000i without…
Patrick R
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SLES 11 - ocfs2 - Locking does not appear to work

I have two SLES 11 servers that are SAN attached to a Clarion CX-340. The SAN partition has been formatted with ocfs2 and I have both machines setup in a cluster and the cluster is running (all appears to be normal). I have a small java…
Autobyte
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State of OCFS2 as KVM storage for QCOW2 format

Using a shared iSCSI SAN all SSD and good cluster aware filesystems are few and far between with Linux. What is the state of OCFS2 with modern Linux kernels and is it considered reliable enough to have 32 machines sharing the same volume in…
pieterk
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OCFS2 Adding nodes

i have vms that run nginx and php fpm on separate machines, for now i use a very stupid method of synchronizing directories by hand since cluster is not that big. However i have another server laying around that i would like to utilize as a shared…
Anton Stafeyev
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cheap, commodity hardware based, highly available distributed filesystem

I have two PCs running linux, a 2 TB disk each and one small gigabit switch. To build a highly available system on the cheap, I resorted to this stack: custom 5.6 kernel with ZFS and DRBD9 on both PCs. one zvol in a partition of each local disk of…
Qippur
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ocfs2 and packemaker without ocf:pacemaker:o2cb

In ubuntu 16.04 ocfs:pacemaker:o2cb not work anymore but i cant find any document that describe ocfs2 with packeamker without ocf:pacemaker:o2cb I have drbd device and work fine with pacemaker, but ocfs tools dont aware pcmk cluster: # mkfs.ocfs2 …
Behrad Eslamifar
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Get free capacity of an ocfs2 volume

I want to get free capacity of an ocfs2 volume (ocfs2-tools version 1.6), which is not mounted any where. Is there way to do that. Thanks
Waveter
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View OCFS2 online nodes using command line?

I want to see which nodes is currently online in my OCFS2 cluster, how can I accomplish it using command line tools? OCFS2 Tools: 1.8.0-10.el6 UEK Kernel: 2.6.39-400.264.4.el6uek OS: CentOS 6.7
weeix
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Expanding/Growing OCFS2 forever

I have a kvm environment where a shared disk mounted by 2 VMs through rbd ceph. What I would like to know that in the future how is it possible to expand OCFS2 filesystem what I planning to use on top of it: LVM2 is not an option: "As of this…
pluto73
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Why both nodes in OCFS2 cluster keep rebooting?

We created an OCSFS2 cluster by using SUSE Linux High Availability Extensions on SLES SP3. The cluster nodes are two Apache servers which share one disk. We have stonith enabled and SBD daemon. It works fine, but... When one of the nodes is…
jonathan.vargas.cr
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OCFS2 "Heartbeat generation mismatch on device" error when mounting iscsi target

As said in the title, when I want to mount a iSCSI target on one machine I get the following error: (o2hb-3F92114867,7826,3):o2hb_check_own_slot:590 ERROR: Heartbeat generation mismatch on device (sdb): expected(2:0xa0cf28215b4b1ed3, 0x54d8a036),…
Danijel Krmar
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What is the best storage for active-active linux cluster?

We have a cluster with multiple ubuntu machines which are connected to a shared SAN storage. Initially we were using OCFS2 as file system but we were hit with so many issues and we couldn't find proper documentation or support therefore we have…
edalloul
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