Questions tagged [gfs2]
The gfs2 tag has no usage guidance.
28
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Azure Managed Lustre or another setup that allows Ubuntu VMs to perform parallel read/write operations to a shared block storage in the cloud?
I set up Azure Managed Lustre with 8TB and maximum throughput 4GB/s.
Following the official docs for an Ubuntu 20.04 VM with size Standard_L8as_v3, I manage to mount the file system.
Then I test my ...
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120
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Libvirt shared storage pool
I have what I hope is a quick question. I'm running:
CENTOS 9
KVM/QEMU
Pacemaker, DLM, lvmlockd, fence_scsi
I have a simple two node KVM cluster where I've set up a LVM logical volume on a attached ...
2
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0
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135
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Getting DRBD to boot up in a synchronized state from cold boot
I am working in an environment with an embedded High-Availability NVMeoF cluster, and need this cluster to be available within minutes of a cold power-on of all nodes, and trying to set up a RAID-10 ...
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1
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392
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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-...
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GFS2: How rename clustername / lockspace / fsid / locktable name in Ubuntu 18.04
Some time ago I created my first GFS2 to do tests:
mkfs.gfs2 -t cluster-test:gfs-vol1 -p lock_dlm -j 3 /dev/vg2/gfs-vol1
From mkfs.gfs2(8) man:
-t clustername:lockspace
The "lock table" pair ...
0
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1
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406
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GFS2 single writer multiple readers setup
I'd like your advice on a setup I'm implementing in order to allow multiple hosts to share occasionally varying data on shared iSCSI storage. I'm using GFS2 to share access to an LVM2 logical volume ...
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420
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cluster activation failing due to cman service
I have a 50TB SAN device, which inturn has two partitions. One of the partition is a gfs2 configured to be shared between two nodes. However, I'm having trouble mounting this partition on one node, ...
21
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4k
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Very strange file size (more than 600 PB) on a small filesystem
I had a file on an XFS filesystem which size was about 200 GB. It was a QCOW2 image containing a virtual disk of a KVM-driven virtual machine. Something went wrong (maybe it was some glitch of qemu-...
2
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1
answer
665
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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 ...
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257
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Run Server from Clustered File Server DRBD & GFS2
We are trying to eliminate a single point of failure for our files without a SAN. We currently have a single server for file serving (locally), web server, and database (in VM). Looking at using DRBD ...
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Which file system best handle multiple, concurrent write sessions [closed]
Which file system best handle multiple, concurrent write sessions
Which file system can handle more concurrent write sessions; let’s say 32 write sessions?
The file system has to handle 32 ...
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459
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mkfs.gfs2 failing silently on centos7 cluster?
I'm building a test cluster using centos7 and pacemaker, with shared storage on GFS2 over clustered LVM.
I've set up a 2-node cluster, dlm and clvmd, both nodes can see the clustered logical volumes. ...
2
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answers
196
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High Availability/failsafe two different locations
I am wondering if someone could help with the setup that does not seem so difficult. I am just beginning with the multi-server setup. I apologize if my questions are dumb.
I have two debian servers ...
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447
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CentOs 6.5 GFS2 DRBD SAMBA CTDB : g_lock_force_unlock: Could not store record: NT_STATUS_UNSUCCESSFUL
My SAMBA cluster is unreliable, I noticed that from Windows desktop (on some occasion works fine but it is not reliable), on Ubuntu I'm getting this error (same is keep repeating in the log):
[root@...
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1
answer
122
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shared file system with rhcs
We have 2 node cluster which is attached with storage to share single parition between both cluster node. So for that we configure rhcs with gfs2. We aaded resources with gfs and ip address. So when ...
3
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1
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2k
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GFS2 over DRBD automount
I have 2 nodes Proxmox cluster.
For KVM images I use DRBD device with GFS2 on it.
Everything works fine except GFS2 automounting after server restart.
I put in fstab:
/dev/drbd0 /cluster/drbd0 gfs2 ...
9
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2
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11k
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Linux Filesystem options for iSCSI shared storage
I am trying to determine my 'best choice' for a filesystem to use for a shared storage device that will be mounted via iSCSI across an indeterminate number of servers.
Setup:
27TB Synology RS2212+ ...
5
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1
answer
3k
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RHCS: GFS2 in A/A cluster with common storage. Configuring GFS with rgmanager
I'm configuring a two node A/A cluster with a common storage attached via iSCSI, which uses GFS2 on top of clustered LVM. So far I have prepared a simple configuration, but am not sure which is the ...
4
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4
answers
4k
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Slow NFS and GFS2 performance
Recently I've designed and configured a 4 node cluster for a webapp that does lots of file handling. The cluster have been broken down into 2 main roles, webserver and storage. Each role is replicated ...
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1
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Diagnosing SAN connectivity issues (RHEL5)
We are currently utilizing GFS2 to share a SAN LUN between 3 servers. However due to a feature problem with vendor software we are using, we currently have the volume unmounted on two of the boxes, ...
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1
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2k
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NFS on top of GFS2 - does it work?
We're currently using a NoSQL derivative called Splunk to receive our data. The software supports something called "search head pooling" in which the job-dispatching engine is housed on several ...
2
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0
answers
433
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How to make background flushing more aggressive
I've got a system that is doing a continuous steady stream of writes to GFS2 filesystems, and what happens is that the cache builds up to vm.dirty_ratio and then load skyrockets during a synchronous ...
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2
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3k
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Configuring RHEL6.1 GFS cluster
I need to configure 3-node cluster with shared GFS2 filesystem. GFS2 needed as common Documentroot for apache behind the balancer.
Can you suggest some guide on how to configure corosync+pacemaker+...
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778
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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 ...
1
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1
answer
995
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Permission denied message when starting gfs2
Can anyone please explain why I get this permission denied error? I try starting the script and it fails with a permission denied message. So I create a copy of it and run that instead and that works.
...
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2
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689
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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
...
2
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1
answer
1k
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How Does The Linux Disk Cache Work With iSCSI and GFS2?
I'm planning to share a GFS2 filesystem via iSCSI to my web servers.
Are the files read by my web servers cached locally using the linux disk cache stored in memory or are they only cached on the ...
2
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2
answers
1k
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Can I use ext3 as a shared fs if I add a lock manager?
I need a cluster filesystem for an iSCSI device. The problem is that the servers to which it is connected generate datafiles which must be read by every other servers. Except for the writing and ...