Ravishankar N 2f9e555f79 glusterfsd: Do not process GLUSTERD_BRICK_XLATOR_OP if graph is not ready
Problem:
If glustershd gets restarted by glusterd due to node reboot/volume start force/
or any thing that changes shd graph (add/remove brick), and index heal
is launched via CLI, there can be a chance that shd receives this IPC
before the graph is fully active. Thus when it accesses
glusterfsd_ctx->active, it crashes.

Fix:
Since glusterd does not really wait for the daemons it spawned to be
fully initialized and can send the request as soon as rpc initialization has
succeeded, we just handle it at shd. If glusterfs_graph_activate() is
not yet done in shd but glusterd sends GD_OP_HEAL_VOLUME to shd,
we fail the request.

Change-Id: If6cc07bc5455c4ba03458a36c28b63664496b17d
fixes: bz#1596513
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
2018-07-02 10:10:19 +00:00
2018-06-14 14:50:16 +00:00
2018-05-08 00:17:20 +00:00
2010-03-12 04:09:34 -08:00
2017-09-07 11:42:08 +00:00
2017-11-08 11:10:44 +00:00
2018-06-21 05:41:47 +00:00
2011-07-18 17:24:14 +05:30
2017-09-07 11:42:08 +00:00
2014-09-16 02:30:36 -07:00

Gluster

Gluster is a software defined distributed storage that can scale to several petabytes. It provides interfaces for object, block and file storage.

Development

Contributions to gluster in the form of patches and new feature additions can be made by following steps outlined at Developers Guide.

Documentation

The Gluster documentation can be found at Gluster Docs.

Deployment

Quick instructions to build and install can be found in INSTALL file.

Maintainers

The list of Gluster maintainers is available in MAINTAINERS file.

License

Gluster is dual licensed under GPLV2 and LGPLV3+.

Please visit the Gluster Home Page to find out more about Gluster.

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