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authorAndrew Price <anprice@redhat.com>2020-11-04 16:29:15 +0000
committerAndreas Gruenbacher <agruenba@redhat.com>2020-12-01 00:25:20 +0100
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Documentation: Update filesystems/gfs2.rst
Remove an obsolete URL and generally bring the doc up-to-date Signed-off-by: Andrew Price <anprice@redhat.com> Signed-off-by: Andreas Gruenbacher <agruenba@redhat.com>
Diffstat (limited to 'Documentation/filesystems/gfs2.rst')
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diff --git a/Documentation/filesystems/gfs2.rst b/Documentation/filesystems/gfs2.rst
index 8d1ab589ce18..1bc48a13430c 100644
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+++ b/Documentation/filesystems/gfs2.rst
@@ -1,53 +1,52 @@
.. SPDX-License-Identifier: GPL-2.0
-==================
-Global File System
-==================
+====================
+Global File System 2
+====================
-https://fedorahosted.org/cluster/wiki/HomePage
-
-GFS is a cluster file system. It allows a cluster of computers to
+GFS2 is a cluster file system. It allows a cluster of computers to
simultaneously use a block device that is shared between them (with FC,
-iSCSI, NBD, etc). GFS reads and writes to the block device like a local
+iSCSI, NBD, etc). GFS2 reads and writes to the block device like a local
file system, but also uses a lock module to allow the computers coordinate
their I/O so file system consistency is maintained. One of the nifty
-features of GFS is perfect consistency -- changes made to the file system
+features of GFS2 is perfect consistency -- changes made to the file system
on one machine show up immediately on all other machines in the cluster.
-GFS uses interchangeable inter-node locking mechanisms, the currently
+GFS2 uses interchangeable inter-node locking mechanisms, the currently
supported mechanisms are:
lock_nolock
- - allows gfs to be used as a local file system
+ - allows GFS2 to be used as a local file system
lock_dlm
- - uses a distributed lock manager (dlm) for inter-node locking.
+ - uses the distributed lock manager (dlm) for inter-node locking.
The dlm is found at linux/fs/dlm/
-Lock_dlm depends on user space cluster management systems found
+lock_dlm depends on user space cluster management systems found
at the URL above.
-To use gfs as a local file system, no external clustering systems are
+To use GFS2 as a local file system, no external clustering systems are
needed, simply::
$ mkfs -t gfs2 -p lock_nolock -j 1 /dev/block_device
$ mount -t gfs2 /dev/block_device /dir
-If you are using Fedora, you need to install the gfs2-utils package
-and, for lock_dlm, you will also need to install the cman package
-and write a cluster.conf as per the documentation. For F17 and above
-cman has been replaced by the dlm package.
+The gfs2-utils package is required on all cluster nodes and, for lock_dlm, you
+will also need the dlm and corosync user space utilities configured as per the
+documentation.
+
+gfs2-utils can be found at https://pagure.io/gfs2-utils
GFS2 is not on-disk compatible with previous versions of GFS, but it
is pretty close.
-The following man pages can be found at the URL above:
+The following man pages are available from gfs2-utils:
============ =============================================
fsck.gfs2 to repair a filesystem
gfs2_grow to expand a filesystem online
gfs2_jadd to add journals to a filesystem online
tunegfs2 to manipulate, examine and tune a filesystem
- gfs2_convert to convert a gfs filesystem to gfs2 in-place
+ gfs2_convert to convert a gfs filesystem to GFS2 in-place
mkfs.gfs2 to make a filesystem
============ =============================================