Hi all,
The name of the feature changed to 'Barrier' in order to avoid the
confusion between the 'Quiesce' translator.
A much detailed version of the document is updated here
http://www.gluster.org/community/documentation/index.php/Features/Server-side_Barrier_feature.
All comments/suggestions/critics on both document and the feature is
welcome.
Thanks
Varun Shastry
On Friday 31 January 2014 04:57 PM, Varun Shastry wrote:
Hi all,
Volume snapshot feature snapshots a volume by snapshotting individual
bricks, that are available, using the lvm-snapshot technology. As part
of using lvm-snapshot, the design requires bricks to be free from
modifications. Snapshot feature needs a mechanism in GlusterFS, where
file operations such as write, mkdir, mkdnod, unlink, truncate etc,
that modify the underlying file system, are 'quiesced' until the
snapshot of the brick is taken.
This mechanism should have the following properties:
. Allow file operations that do not modify the underlying file system.
. Should keep the 'quiescing' transparent to the applications.
This is where the server-side quiescing of file operations comes into
picture. So the feature page[1] for Server side Quiesce is created in
the gluster.org. Please review the document & design of the feature
and provide your comments/suggestions/critics.
[1]
http://www.gluster.org/community/documentation/index.php/Features/Server-side_Quiesce_feature
Thanks
Varun Shastry
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