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Questions tagged [ocfs2]

55 questions
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1 answer

puppet templates: possible to print the size of an exported resource array?

I'm writing a puppet module for ocfs2 and making use of exported resources to populate the definitions of all the cluster nodes in the config file on each cluster. This all works well. The cluster class is simply ocfs::cluster and the member class…
growse
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1 answer

Ubuntu Server mdadm drbd ocfs2 kvm hangs under heavy file reading

I have deployed four ubuntu 10.04 server. They are coupled two by two in a cluster scenario. on both sides we have software raid1 disks, drbd8 and OCFS2 and on top of it some kvm machines run with qcow2 disks. I followed this: Link corosync is just…
Stefano Annese
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1 answer

OCFS Configuration

I'm setting up a Virtual Machine, and I'm trying to get OCFS to allow redundancy across two devices. It looks to be working in configuration, but it's not actually syncing the files across: /etc/ocfs2/cluster.conf cluster: node_count = 2 …
bradlis7
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3 answers

clustered file system choice for KVM/XEN in Fibre Channel Environment

Gents, what would you recommend for production use in a FC environment, where live migration is a must? Which clustered file system should we use? OCFS2? Would you still need drbd? Thanks!
CMag
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OCFS2 updating procedures

We plan to use OCFS2 in a project running Red Hat Enterprise Linux (RHEL) 5.6 because we found OCFS2 to be much simpler to set up than GFS. I am, however, worried about the upgrade process since I understand OCFS2 depends on the kernel version…
Stephan
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1 answer

ocfs2 v1.6 for CentOS 5.5

does someone know how/where to get newest ocfs2 version 1.6 for CentOS? from oracle site I was able to download only 1.4 . but this version hasn't a lot of features as you can see , there is only…
A M
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OCFS2 + DRBD8 + MD mirror + PERC 6/iR + SATA 500GB = serious I/O problems?

I have reports that I/O on a certain filesystem, namely /srv/data1, is intermittently horrific. I've seen it myself and it's true. For example, I run 'ls' /srv/data1 and the output takes 30+ seconds to appear. I run it again and this time, no…
Mike Diehn
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drbd: quorum and dual primary for ocfs2 without fencing?

Due to cephs poor performance on NVME i'm experimenting with OCFS2 on DBRD again. DBRD appears to initially have been built around the idea notifying an application of a hardware failure, and the application taking appropriate steps to move access…
aep
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1 answer

Add more nodes on a live OCFS2 cluster

I have a OCFS cluster with 4 nodes at the moment. I would like to add another 6. What I did: I edited the /etc/ocfs2/cluster.conf file and added all the desirable nodes. Then I copied to all the nodes. When I tried to mount the partition from…
user883366
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1 answer

Can 2 servers share the same ocfs2 FS via NFS?

The problem is the following: I have 2 servers that have a FS mounted as ocfs2: root [server01]% mount | grep ocfs2 ocfs2_dlmfs on /dlm type ocfs2_dlmfs (rw) /dev/sddlmam1 on /share type ocfs2 (rw,_netdev,datavolume,heartbeat=local) and root…
X3MBoy
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3 answers

Mounting multipath devices by UUID in fstab

I have several multipath iSCSI LUN's formatted as ocfs2 filesystems. They are part of an Ubuntu 14.04 cluster using local heartbeat. This all appears to be working fine if I mount them manually after rebooting. If I try to automatically mount them…
Nathan S. Watson-Haigh
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Running iSCSI LIO with high availability

I've build a two node storage setup with OCFS on top of DRBD to provide storage for a couple of ESXi servers. Will it be possible to setup iSCSI targets on both storage nodes and make one of the nodes take over the other in case of server…
SteffenNielsen
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1 answer

VM iscsi disk crashes on one VM Host, not on the other

I have a VmWare solution running on a HP bladesystem with a Lefthand ISCSI san. There are currently two VmWare hosts in that environment. I have two Debian VM's sharing an ISCSI disk (with ocfs2), mounted directly from the san using open-iscsi. It…
Berzemus
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DBRD dual primary Heartbeat resource management

I have the following setup: Two servers with DRBD running dual primary with OCFS2 Heartbeat with two virtual ips, one for each server Round robin DNS to load balance NFS across the two vIPs Shutting down Server1 for a period of time, cause Server2…
Jon Skarpeteig
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NFS exportfs spamming logs. Is this a broken setup?

I have a NFS server running Ubuntu 10.04, serving an OCFS2 filesystem. The setup is somehow complicated because the server has Heartbeat and Pacemaker installed to make a cluster with another server. Anyway, the strange thing: # tail -12…
Jorge Suárez de Lis
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