Questions tagged [ocfs2]
55 questions
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Issue with Apache flat files on OCFS2 on SAN
I have a pretty basic Apache two node cluster with flat files on SAN using OCFS2 file system mounted on both nodes.The website is working as expected, but I see a lot of the following messages in both servers' syslogs:
On Apache 1
[248816.701082]…
Debianuser
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1 answer
Ocfs2 volume sharing between hostOS and VM with KVM on Ubuntu
I'm trying to setup ocfs2 on Ubuntu Oneiric Server (3.0 kernel). I'm sharing a LV from a VG on the host. The HostOS is Ubuntu Lucid (also on a 3.0 kernel).
I can share the ocfs2 partition on the volume fine between two KVM's. I can't share the…
Jasper
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OCFS2: "Bad magic number in inode" every time mounting specific volume; fsck fixes it?
I have 5 OCFS2 volumes on an iSCSI SAN that a handful (5) of servers mount. There is one volume in particular that never mounts cleanly after reboot. The error you get when trying to mount is
hamguy:/dev/disk/by-label # /etc/init.d/ocfs2…
Kendall
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1 answer
How long does it take to create an OCFS2 filesystem on a 1TB disk?
I'm creating an OCFS2 fs for use with DRBD and it's taking an awful long time to create the filesystem.
I haven't done it before so I'm wondering if someone with more experience can relate how long it should actually take? I googled but strangely…
Rafiq Maniar
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1 answer
ocfs2_dlmfs file system not found while running tunefs.ocf2s command
While running the following tunefs command to enable the discontig-bg file system feature:
tunefs.ocfs2 --fs-features=discontig-bg /dev/drbd0
I receive the following error:
tunefs.ocfs2: ocfs2_dlmfs file system was not found while opening device…
no-preserve-root
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1 answer
What is the simplest way to set up shared/clustered read-write filesystem across servers?
What is the simplest way to set up shared/clustered read-write POSIX-compliant filesystem across servers where performance is not a major concern?
Suppose I have two Linux servers S1 and S2 and an uninitialized (no filesystem) block device…
otujuhxv
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1 answer
Single SAN with ocfs2 and gfs2
I have a single SAN with two virtual drives. (i.e., they are separate mounts, but they are mapped to the same IP address) For example, if I do ls /dev/disk/by-path/, I see this:
ip-172.16.100.5:3260-iscsi-iqn.[all…
Ray
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1 answer
iSCSI separation from Ethernet via VLAN
I've set up a small cluster of a few servers along with a SAN. The servers are running Ubuntu 20.04 LTS.
Using instructions provided by the vendor (I can't find where I read it before), they suggested that the iSCSI connections between the SAN and…
Ray
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Failed configuring active-active shared disk with drbd and pacemaker
I followed Clusters from Scratch instructions, chapters 8 and 9, to configure an active-active, shared disk cluster with drbd and pacemaker. The difference with that tutorial is that I am using OCFS2 instead of glusterfs.
Without pacemaker it works…
user2309000
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1 answer
Mixed ocfs2 clusters: direct access and iscsi
Good morning,
I have this configuration:
diagram of configuration
One "shared disk" with one partition formatted as OCFS2
Host A and host B with direct access to the "shared disk"
Host C with direct access to the "shared disk" used as iSCSI target…
matlocat
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