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authorHumble Devassy Chirammal <hchiramm@redhat.com>2015-07-23 18:07:08 +0530
committerKaleb KEITHLEY <kkeithle@redhat.com>2015-08-05 04:49:00 -0700
commita0919d638a889f03a5bd804cf4c3a63084680fce (patch)
tree72d519341747cfc82afcc06c313f9b92018bece0 /doc/features/mount_gluster_volume_using_pnfs.md
parent3403370ebeaf16567b79022c6ac48b2e0cd50db5 (diff)
Removing glusterfs features doc from glusterfs repo
According to the new workflow defined for glusterfs documentation, the features are maintained at https://github.com/gluster/glusterfs-specs. Removing the features dir from the doc repo as per, https://www.mail-archive.com/gluster-users@gluster.org/msg21168.html Change-Id: I2f1219c49ef933f6b89a55f2238787d8565d80b6 BUG: 1206539 Signed-off-by: Humble Devassy Chirammal <hchiramm@redhat.com> Reviewed-on: http://review.gluster.org/11749 Tested-by: NetBSD Build System <jenkins@build.gluster.org> Tested-by: Gluster Build System <jenkins@build.gluster.com> Reviewed-by: Prashanth Pai <ppai@redhat.com> Reviewed-by: Humble Devassy Chirammal <humble.devassy@gmail.com> Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com>
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-# How to export gluster volumes using pNFS?
-
-The Parallel Network File System (pNFS) is part of the NFS v4.1 protocol that
-allows compute clients to access storage devices directly and in parallel.
-The pNFS cluster consists of MDS(Meta-Data-Server) and DS (Data-Server).
-The client sends all the read/write requests directly to DS and all other
-operations are handle by the MDS. pNFS support is implemented as part of
-glusterFS+NFS-ganesha integration.
-
-### 1.) Pre-requisites
-
- - Create a GlusterFS volume
-
- - Install nfs-ganesha (refer section 5)
-
- - Disable kernel-nfs, gluster-nfs services on the system using the following commands
- - service nfs stop
- - gluster vol set <volname> nfs.disable ON (Note: this command has to be repeated for all the volumes in the trusted-pool)
-
-### 2.) Configure nfs-ganesha for pNFS
-
- - Disable nfs-ganesha and tear down HA cluster via gluster cli (pNFS did not need to disturb HA setup)
- - gluster features.ganesha disable
-
- - For the optimal working of pNFS, ganesha servers should run on every node in the trusted pool manually(refer section 5)
- - *#ganesha.nfsd -f <location_of_nfs-ganesha.conf_file> -L <location_of_log_file> -N <log_level> -d*
-
- - Check whether volume is exported via nfs-ganesha in all the nodes.
- - *#showmount -e localhost*
-
-### 3.) Mount volume via pNFS
-
-Mount the volume using any nfs-ganesha server in the trusted pool.By default, nfs version 4.1 will use pNFS protocol for gluster volumes
- - *#mount -t nfs4 -o minorversion=1 <ip of server>:/<volume name> <mount path>*
-
-### 4.) Points to be noted
-
- - Current architecture supports only single MDS and mulitple DS. The server with which client mounts will act as MDS and all severs including MDS can act as DS.
-
- - If any of the DS goes down , then MDS will handle those I/O's.
-
- - Hereafter, all the subsequent nfs clients need to use same server for mounting that volume via pNFS. i.e more than one MDS for a volume is not prefered
-
- - pNFS support is only tested with distributed, replicated or distribute-replicate volumes
-
- - It is tested and verfied with RHEL 6.5 , fedora 20, fedora 21 nfs clients. It is always better to use latest nfs-clients
-
-### 5.) References
-
- - Setup and create glusterfs volumes : http://www.gluster.org/community/documentation/index.php/QuickStart
-
- - NFS-Ganesha wiki : https://github.com/nfs-ganesha/nfs-ganesha/wiki
-
- - For installing, running NFS-Ganesha and exporting a volume :
- - read doc/features/glusterfs_nfs-ganesha_integration.md
- - http://blog.gluster.org/2014/09/glusterfs-and-nfs-ganesha-integration/