Server Fault Stack Exchange
Server Fault Stack Exchange

Questions tagged [ocfs2]

54 questions
11
votes
3 answers

Can not switch drbd to secondary

I'm running drbd83 with ocfs2 in centos 5 and planning to use packemaker with them. Afer some time, I'm facing drbd split brain problem. version: 8.3.13 (api:88/proto:86-96) GIT-hash: 83ca112086600faacab2f157bc5a9324f7bd7f77 build by…
favadi
  • 537
  • 2
  • 7
  • 15
7
votes
1 answer

Dual Primary OCFS2 DRBD encountered split-brain. Is recovery always going to be manual in this case?

I've got two webservers which each have a disk attached. This disk is synced between them using drbd (2:8.3.13-1.1ubuntu1) in 'dual-primary' mode, and over the top of this I run ocfs2 (1.6.4-1ubuntu1) as a cluster filesystem. The nodes communicate…
growse
  • 7,830
  • 11
  • 72
  • 114
7
votes
3 answers

DRBD configuration

I was going through the configuration of DRBD on two nodes. The DRBD has already configured, but I would like to enable the dual primary mode feature. On drbd site I have seen that it requires the use of a shared cluster file system that utilizes a…
karthick
  • 663
  • 3
  • 7
  • 13
6
votes
3 answers

For kvm host images. GFS2 or OCFS2 with drbd8?

I want a shared filesystem on top of drbd8 on two nodes. The servers run ubuntu 9.10. I googled a lot, but couldn't find an clear trend what the web community prefers. It's seems that OCFS2 is more used at the moment. Which filesystem is more…
yvess
  • 413
  • 4
  • 14
5
votes
1 answer

Trying to find the 'max files per directory' figure for an OCFS2/LVM volume

I have a bunch of RHEL/OEL Apache VMs (on ESX 3.5) hardware load-balanced into a little http file farm. I need to expand the dataset they're serving from 1TB to 10TB and although I can use OCFS2 and LVM to make it actually work I'm a bit worried…
Chopper3
  • 100,240
  • 9
  • 106
  • 238
5
votes
1 answer

mount.ocfs2: Transport endpoint is not connected while mounting...?

I have replaced a dead node that was running in dual-primary mode with OCFS2. All the steps work: /proc/drbd version: 8.3.13 (api:88/proto:86-96) GIT-hash: 83ca112086600faacab2f157bc5a9324f7bd7f77 build by mockbuild@builder10.centos.org, 2012-05-07…
quanta
  • 50,327
  • 19
  • 152
  • 213
4
votes
1 answer

What are the pros and cons of OCFS2 and GFS2 filesystems versus NFS?

We need to set up a SAN accessible from a bunch of computers, both virtualized and real. We have an iSCSI SAN and I need to ponder some of the options. What are the differences between GFS2 and OCFS2 ? Are they production-ready ? And how they…
edomaur
  • 387
  • 1
  • 5
  • 12
3
votes
1 answer

Folder shares over NFSv4 private to user groups

I want to share a folder over NFSv4, available to some users, and I'm having permission issues. I set up the folder permissions with setGID so new files are created with the folder group owner. But users are free to create files without permissions…
Jorge Suárez de Lis
  • 391
  • 8
  • 22
3
votes
1 answer

XFS I/O Error accessing Logical Block 0 of an LVM snapshot: is the drive or snapshot bad?

I have OpenSuSE 11.3 running as a Xen host on a machine with 8x296GB Cheetah 15k.6 SAS disks, 4 of which are mirrored, the other 4 striped. I'm using LVM to manage the disks and they are formatted with OCFS2. I configured a Xen domU as a Logical…
Kendall
  • 1,043
  • 12
  • 24
3
votes
3 answers

vmware vmdk disk problem

I have a VMware ESXi 4 server and 2 storage servers (mounted via nfs). Between the storage servers (Fedora 14) is a drbd cluster (dual primary) and ocfs2 filesystem; also every server has a local partition with an ext4 filesystem, both are mounted…
dmtr
  • 31
  • 1
2
votes
1 answer

OCFS2 on Ubuntu 18.04 - Missing Kernal Modules

I am trying to setup OCFS2 on a few servers running Ubuntu 18.04. I started by installing ocfs2-tools and then setting up things from there. The issue I cannot solve appears to be the system is missing some kernel modules Jan 25 08:18:38…
Magnetion
  • 23
  • 4
2
votes
3 answers

Oracle VM 2.2 nodes rebooting for no obvious reason

I have a simple four node Oracle VM environment. A management server running in vmware, a nfs server for shared storage and two Oracle VM servers running the actual hypervisor. For some reason the node running the pool master service will suddenly…
Roy
  • 4,256
  • 4
  • 35
  • 50
2
votes
0 answers

OCFS2 filesystem not mounting

I have an OCFS2 cluster running on top of a dual-primary DRBD setup on Ubuntu 16.04. Yesterday, I pushed this cluster into production and it seemed to run well for a while. But today, the cluster seems to have died. I am no longer able to mount the…
Oldskool
  • 2,005
  • 1
  • 16
  • 26
2
votes
1 answer

OEL 7.2 with LACP systemd shutdowns networking before umounting _netdev filesystems

I've built an NFS cluster with OCFS2 as a backing filesystem. This is working quite well with the exception of when a node is restarted/shutdown cleanly it causes a fence operation as network is severed before unmounting OCFS2 filesytems to inform…
stuntkiwi
  • 21
  • 1
2
votes
1 answer

What distributed FS, with small files read / write workload perform better?

I have 2 machines sharing storage via iscsi (multipath), soon we add another one, this machines are Web app servers that read small files on shared storage ( < 256kB), and write them back. so we write roughly the same as we read. We need data…
Securez
  • 51
  • 5
1
2 3 4