| Commit message (Collapse) | Author | Age | Files | Lines |
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
snapshot clone will allow us to take a snpahot of a snapshot.
Newly created clone volume will be a regular volume with read/write
permissions.
CLI command
snapshot clone <clonename> <snapname>
Change-Id: Icadb993fa42fff787a330f8f49452da54e9db7de
BUG: 1199894
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
Reviewed-on: http://review.gluster.org/9750
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
The peer list and the peerinfo objects are now protected using RCU.
Design patterns described in the Paul McKenney's RCU dissertation [1]
(sections 5 and 6) have been used to convert existing non-RCU protected
code to RCU protected code.
Currently, we are only targetting guaranteeing the existence of the
peerinfo objects, ie., we are only looking to protect deletes, not all
updaters. We chose this, as protecting all updates is a much more
complex task.
The steps used to accomplish this are,
1. Remove all long lived direct references to peerinfo objects (apart
from the peerinfo list). This includes references in glusterd_peerctx_t
(RPC), glusterd_friend_sm_event_t (friend state machine) and others.
This way no one has a reference to deleted peerinfo object.
2. Replace the direct references with indirect references, ie., use
peer uuid and peer hostname as indirect references to the peerinfo
object. Any reader or updater now uses the indirect references to get to
the actual peerinfo object, using glusterd_peerinfo_find. Cases where a
peerinfo cannot be found are handled gracefully.
3. The readers get and use the peerinfo object only within a RCU read
critical section. This prevents the object from being deleted/freed when
in actual use.
4. The deletion of a peerinfo object is done in a ordered manner
(glusterd_peerinfo_destroy). The object is first removed from the
peerinfo list using an atomic list remove, but the list head is not
reset to allow existing list readers to complete correctly. We wait for
readers to complete, before resetting the list head. This removes the
object from the list completely. After this no new readers can get a
reference to the object, and it can be freed.
This change was developed on the git branch at [2]. This commit is a
combination of the following commits on the development branch.
d7999b9 Protect the glusterd_conf_t->peers_list with RCU.
0da85c4 Synchronize before INITing peerinfo list head after removing
from list.
32ec28a Add missing rcu_read_unlock
8fed0b8 Correctly exit read critical section once peer is found.
63db857 Free peerctx only on rpc destruction
56eff26 Cleanup style issues
e5f38b0 Indirection for events and friend_sm
3c84ac4 In __glusterd_probe_cbk goto unlock only if peer already
exists
141d855 Address review comments on 9695/1
aaeefed Protection during peer updates
6eda33d Revert "Synchronize before INITing peerinfo list head after
removing from list."
f69db96 Remove unneeded line
b43d2ec Address review comments on 9695/4
7781921 Address review comments on 9695/5
eb6467b Add some missing semi-colons
328a47f Remove synchronize_rcu from
glusterd_friend_sm_transition_state
186e429 Run part of glusterd_friend_remove in critical section
55c0a2e Fix gluster (peer status/ pool list) with no peers
93f8dcf Use call_rcu to free peerinfo
c36178c Introduce composite struct, gd_rcu_head
[1]: http://www.rdrop.com/~paulmck/RCU/RCUdissertation.2004.07.14e1.pdf
[2]: https://github.com/kshlm/glusterfs/tree/urcu
Change-Id: Ic1480e59c86d41d25a6a3d159aa3e11fbb3cbc7b
BUG: 1191030
Signed-off-by: Kaushal M <kaushal@redhat.com>
Reviewed-on: http://review.gluster.org/9695
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
Reviewed-by: Anand Nekkunti <anekkunt@redhat.com>
Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com>
Tested-by: Krishnan Parthasarathi <kparthas@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
This patch replaces usage of the libglusterfs lists data structures and
API in glusterd with the lists data structures and API from liburcu. The
liburcu data structes and APIs are a drop-in replacement for
libglusterfs lists.
All usages have been changed to keep the code consistent, and free from
confusion.
NOTE: glusterd_conf_t->xprt_list still uses the libglusterfs data
structures and API, as it holds rpc_transport_t objects, which is not a
part of glusterd and is not being changed in this patch.
This change was developed on the git branch at [1]. This commit is a
combination of the following commits on the development branch.
6dac576 Replace libglusterfs lists with liburcu lists
a51b5ab Fix compilation issues
d98a06f Fix merge issues
a5d918e Remove merge remnant
1cca113 More style cleanup
1917be3 Address review comments on 9624/1
8d10f13 Use cds_lists for glusterd_svc_t
524ad5d Add rculist header in glusterd-conn-helper.c
646f294 glusterd: add list_add_order API honouring rcu
[1]: https://github.com/kshlm/glusterfs/tree/urcu
Change-Id: Ic613c5b6e496a677b9d3de15fc042a0492109fb0
BUG: 1191030
Signed-off-by: Kaushal M <kaushal@redhat.com>
Signed-off-by: Krishnan Parthasarathi <kparthas@redhat.com>
Reviewed-on: http://review.gluster.org/9624
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
Reviewed-by: Gaurav Kumar Garg <ggarg@redhat.com>
Reviewed-by: Anand Nekkunti <anekkunt@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
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>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
In a n-way replication, where n>=3 fail snapshot,
even if one brick is down.
Also check for glusterd quorum, irrespective of the force option
Modified testcase tests/bugs/snapshot/bug-1090042.t because
it tested the successful creation of snapshot with force
command.
Change-Id: I72666f8f1484bd1766b9d6799c20766e4547f6c5
BUG: 1184344
Signed-off-by: Avra Sengupta <asengupt@redhat.com>
Reviewed-on: http://review.gluster.org/9470
Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Kaushal M <kaushal@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
* Bring in option to disable memory accounting for a glusterfs process
This reverses the changes done by the commit
7fba3a88f1ced610eca0c23516a1e720d75160cd.
* Change the key from "memory-accounting" to "no-memory-accounting", as by
default all the glusterfs process enable memory accounting now. So to
disable memory accounting for some process, "no-mem-accounting" argument has
to be passed.
Change-Id: I39c7cefb0fe764ea3e48f4e73e1305b084c5f497
BUG: 1184366
Signed-off-by: Raghavendra Bhat <raghavendra@redhat.com>
Reviewed-on: http://review.gluster.org/9469
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
|
| |
If restore commit is successful on the originator and
a few nodes, but fails on some other node, restore cleanup
should restate the volume and the snapshot in question
as it was before the command was run.
Change-Id: I7bb0becc7f052f55bc818018bc84770944e76c80
BUG: 1181418
Signed-off-by: Avra Sengupta <asengupt@redhat.com>
Reviewed-on: http://review.gluster.org/9441
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
Reviewed-by: Kaushal M <kaushal@redhat.com>
|
|
Refactor glusterd-utils.c to create
glusterd-snapshot-utils.c consisting of all snapshot
utility functions.
Change-Id: Id9823a2aec9b115f9c040c9940f288d4fe753d9b
BUG: 1176770
Signed-off-by: Avra Sengupta <asengupt@redhat.com>
Reviewed-on: http://review.gluster.org/9391
Reviewed-by: Kaushal M <kaushal@redhat.com>
Reviewed-by: Rajesh Joseph <rjoseph@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Krishnan Parthasarathi <kparthas@redhat.com>
Tested-by: Krishnan Parthasarathi <kparthas@redhat.com>
|