| Commit message (Collapse) | Author | Age | Files | Lines |
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The handler functions are pointed to dummy functions.
The switch case handling for tier also have been moved to
point default case to avoid issues, if reintroduced.
The tier changes in DHT still remain as such.
updates: bz#1693692
Change-Id: I80d80c9a3eb862b4440a36b31ae82b2e9d92e4dc
Signed-off-by: Hari Gowtham <hgowtham@redhat.com>
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Problem:
Shd daemon is per node, which means they create a graph
with all volumes on it. While this is a great for utilizing
resources, it is so good in terms of performance and managebility.
Because self-heal daemons doesn't have capability to automatically
reconfigure their graphs. So each time when any configurations
changes happens to the volumes(replicate/disperse), we need to restart
shd to bring the changes into the graph.
Because of this all on going heal for all other volumes has to be
stopped in the middle, and need to restart all over again.
Solution:
This changes makes shd as a per volume daemon, so that the graph
will be generated for each volumes.
When we want to start/reconfigure shd for a volume, we first search
for an existing shd running on the node, if there is none, we will
start a new process. If already a daemon is running for shd, then
we will simply detach a graph for a volume and reatach the updated
graph for the volume. This won't touch any of the on going operations
for any other volumes on the shd daemon.
Example of an shd graph when it is per volume
graph
-----------------------
| debug-iostat |
-----------------------
/ | \
/ | \
--------- --------- ----------
| AFR-1 | | AFR-2 | | AFR-3 |
-------- --------- ----------
A running shd daemon with 3 volumes will be like-->
graph
-----------------------
| debug-iostat |
-----------------------
/ | \
/ | \
------------ ------------ ------------
| volume-1 | | volume-2 | | volume-3 |
------------ ------------ ------------
Change-Id: Idcb2698be3eeb95beaac47125565c93370afbd99
fixes: bz#1659708
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
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Change-Id: I6f5d8140a06f3c1b2d196849299f8d483028d33b
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tierd is implemented by separating from rebalance process.
The commands affected:
1) Attach tier will trigger this process instead of old one
2) tier start and tier start force will also trigger this process.
3) volume status [tier] will show tier daemon as a process instead
of task and normal tier status and tier detach status works.
4) tier stop implemented.
5) detach tier implemented separately along with new detach tier
status
6) volume tier volname status will work using the changes.
7) volume set works
This patch has separated the tier translator from the legacy
DHT rebalance code. It now sends the RPCs from the CLI
to glusterd separate to the DHT rebalance code.
The daemon is now a service, similar to the snapshot daemon,
and can be viewed using the volume status command.
The code for the validation and commit phase are the same
as the earlier tier validation code in DHT rebalance.
The “brickop” phase has been changed so that the status
command can use this framework.
The service management framework is now used.
DHT rebalance does not use this framework.
This service framework takes care of :
*) spawning the daemon, killing it and other such processes.
*) volume set options , which are written on the volfile.
*) restart and reconfigure functions. Restart is to restart
the daemon at two points
1)after gluster goes down and comes up.
2) to stop detach tier.
*) reconfigure is used to make immediate volfile changes.
By doing this, we don’t restart the daemon.
it has the code to rewrite the volfile for topological
changes too (which comes into place during add and remove brick).
With this patch the log, pid, and volfile are separated
and put into respective directories.
Change-Id: I3681d0d66894714b55aa02ca2a30ac000362a399
BUG: 1313838
Signed-off-by: hari gowtham <hgowtham@redhat.com>
Reviewed-on: http://review.gluster.org/13365
Smoke: Gluster Build System <jenkins@build.gluster.org>
Tested-by: hari gowtham <hari.gowtham005@gmail.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Dan Lambright <dlambrig@redhat.com>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
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problem : Reset/set commands were not working properly. reset command returns
success but it not sending notification to svcs if corresponding graph modified.
Fix: Whenever reset/set command issued, generate the temp graph and compare
with original graph and do the fallowing actions
1.) If both graph are identical nothing to do with svcs.
2.) If any changes in graph topology restart/stop service by calling
svc manager.
3) If changes in options send notify signal by calling glusterd_fetchspec_notify.
Change-Id: I852c4602eafed1ae6e6a02424814fe3a83e3d4c7
BUG: 1209329
Signed-off-by: anand <anekkunt@redhat.com>
Reviewed-on: http://review.gluster.org/10850
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
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Instead of including config.h in each file, and have the additional
config.h included from the compiler commandline (-include option).
When a .c file tests for a certain #define, and config.h was not
included, incorrect assumtions were made. With this change, it can not
happen again.
BUG: 1222319
Change-Id: I4f9097b8740b81ecfe8b218d52ca50361f74cb64
Signed-off-by: Niels de Vos <ndevos@redhat.com>
Reviewed-on: http://review.gluster.org/10808
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System
Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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This patch ports nfs, shd, quotad & snapd with the approach suggested in
http://www.gluster.org/pipermail/gluster-devel/2014-December/043180.html
Change-Id: I4ea5b38793f87fc85cc9d2cf873727351dedffd2
BUG: 1191486
Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-on: http://review.gluster.org/9428
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anand Nekkunti <anekkunt@redhat.com>
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