| Commit message (Collapse) | Author | Age | Files | Lines |
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Support for gluster volume heal <volname> info healed/heal-failed
was removed by commit bb02cfb56ae08f56df4452c2b948fa962ae1212b in
release-3.6. cli parser will display the usage message in all the
supported versions whenever these clis are run, leading to some
dead code in the latest branches. Since support for these clis
were removed long back, this should not give any backward
compatibility issues as well. Hence removing the dead code from
the code base which will lead to better code coverage by the
regression runs as well.
Updates: #1052
Change-Id: I0c2b061469caf233c06d9699b0d159ce48e240b9
Signed-off-by: karthik-us <ksubrahm@redhat.com>
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In many cases, we were freely allocating long keys with no need.
Smaller char arrays are just fine almost anywhere, so just went ahead
and looked where they we can use smaller ones.
In some cases, annotated the functions as static and the prefixes
passed as const as it was easier to read and understand.
Where relevant, converted the dict functions to use known key length.
Change-Id: I882ab33ea20d90b63278336cd1370c09ffdab7f2
updates: bz#1193929
Signed-off-by: Yaniv Kaul <ykaul@redhat.com>
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As a follow up on https://review.gluster.org/#/c/glusterfs/+/23749/,
adding error logging for the entire method.
In addition, converted logging to structured logging in the method.
Fixes: bz#1778457
Change-Id: I1f412159e6849d6f6ddbde53ec4a85ad709bbdf4
Signed-off-by: Barak Sason Rofman <bsasonro@redhat.com>
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Added a log for a failure in order to avoid "unused variable" coverity
issue.
fixes: CID#1274209
Change-Id: Ibc6b0ab4bdff482096e42e88fd4c8c7eadfeeadb
Updates: bz#789278
Signed-off-by: Barak Sason Rofman <bsasonro@redhat.com>
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...whenever shd is re-enabled after disabling or there is a change in
`cluster.heal-timeout`, without needing to restart shd or waiting for the
current `cluster.heal-timeout` seconds to expire.
See BZ 1743988 for more details.
Change-Id: Ia5ebd7c8e9f5b54cba3199c141fdd1af2f9b9bfe
fixes: bz#1744548
Reported-by: Glen Kiessling <glenk1973@hotmail.com>
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
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Problem:
In case of thin arbiter, before index healer starts crawling the
indices at every heal-timeout interval, even if there is nothing to
be healed it will send an upcall notification to all the clients to
release any AFR_TA_DOM_NOTIFY locks that they hold. SHD will wait
for the upcall to return before proceeding with the heal even though
there is nothing to be healed. This will also invalidates the cached
information about the bricks states on the clients which leads to
extra calls on TA from clients for the next reads & writes if needed.
This will impact the IO performance.
Fix:
- Before sending the upcall to the clients, check for any pending heals
on TA without taking any locks.
- If there is nothing marked bad on TA, then continue with the index
crawl to heal any dirty markings present on the files due to any post-op
failure.
- If there is a brick marked as bad on TA, then take the
AFR_TA_DOM_NOTIFY lock on TA from SHD, get the state on TA and
continue with the current healing process.
Change-Id: Ieb477bc6cb18bbdfd4e7a0453c5ed79b574ec9d6
fixes: bz#1724184
Signed-off-by: karthik-us <ksubrahm@redhat.com>
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We were not properly cleaning self-heal daemon resources
during ec fini. With shd multiplexing, it is absolutely
necessary to cleanup all the resources during ec fini.
Change-Id: Iae4f1bce7d8c2e1da51ac568700a51088f3cc7f2
fixes: bz#1703948
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
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memdup() and gf_memdup() have the same implementation. Removed one API
as the presence of both can be confusing.
Change-Id: I562130c668457e13e4288e592792872d2e49887e
updates: bz#1193929
Signed-off-by: Vijay Bellur <vbellur@redhat.com>
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This patch address post-merge review comments for commit
5784a00f997212d34bd52b2303e20c097240d91c
Change-Id: I7ed954664a2ae8e1091d23ee3ceb9c66e83bfeac
fixes: bz#1697930
Signed-off-by: karthik-us <ksubrahm@redhat.com>
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We were not properly cleaning self-heal daemon resources
during afr fini. This patch will clean the same.
Change-Id: I597860be6f781b195449e695d871b8667a418d5a
updates: bz#1659708
Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com>
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In a previous patch (https://review.gluster.org/20769) we've
added the key length to be passed to dict_* funcs, to remove the need
to strlen() it. This patch moves some xlators to use it.
- In some cases, moved strlen() of the key length outside of locks,
which is usually a good thing. Please verify it's safe to do so.
- In some cases, created a prefix for the keys, replacing something like
"%d-%d" with a "%s" in snprintf(). Not sure it adds value, but improves
readability.
Please review carefully.
Compile-tested only!
Change-Id: I04f2a1eb2ecfc3283d849d150d10d088ae7aa7f1
updates: bz#1193929
Signed-off-by: Yaniv Kaul <ykaul@redhat.com>
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- this->itable always needs to be allocated, hence move it outside
afr_selfheal_daemon_init().
- Invoke afr_selfheal_daemon_init() only for self-heal daemon case.
- remove redundant itable allocation in afr_discover().
- destroy itable in fini.
Updates bz#1193929
Change-Id: Ib28b50b607386f5a5aa7d2f743c8b506ccb10eae
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
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libglusterfs devel package headers are referenced in code using
include semantics for a program, this while it works can be better
especially when dealing with out of tree xlator builds or in
general out of tree devel package usage.
Towards this, the following changes are done,
- moved all devel headers under a glusterfs directory
- Included these headers using system header notation <> in all
code outside of libglusterfs
- Included these headers using own program notation "" within
libglusterfs
This change although big, is just moving around the headers and
making it correct when including these headers from other sources.
This helps us correctly include libglusterfs includes without
namespace conflicts.
Change-Id: Id2a98854e671a7ee5d73be44da5ba1a74252423b
Updates: bz#1193929
Signed-off-by: ShyamsundarR <srangana@redhat.com>
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Problem:
Currently for replica volume, even if only one brick is UP
SHD will keep crawling index entries even if it can not
heal anything.
In thin-arbiter volume which is also a replica 2 volume,
this causes inode lock contention which in turn sends
upcall to all the clients to release notify locks, even
if it can not do anything for healing.
This will slow down the client performance and kills the
purpose of keeping in memory information about bad brick.
Solution: Before starting heal or even crawling, check if
sufficient number of children are UP and available to check
and heal entries.
Change-Id: I011c9da3b37cae275f791affd56b8f1c1ac9255d
updates: bz#1640581
Signed-off-by: Ashish Pandey <aspandey@redhat.com>
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With this change when SHD starts the index crawl it requests
all the clients to release the AFR_TA_DOM_NOTIFY lock so that
clients will know the in memory state is no more valid and
any new operations needs to query the thin-arbiter if required.
When SHD completes healing all the files without any failure, it
will again take the AFR_TA_DOM_NOTIFY lock and gets the xattrs on
TA to see whether there are any new failures happened by that time.
If there are new failures marked on TA, SHD will start the crawl
immediately to heal those failures as well. If there are no new
failures, then SHD will take the AFR_TA_DOM_MODIFY lock and unsets
the xattrs on TA, so that both the data bricks will be considered
as good there after.
Change-Id: I037b89a0823648f314580ba0716d877bd5ddb1f1
fixes: bz#1579788
Signed-off-by: karthik-us <ksubrahm@redhat.com>
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Change-Id: Ia84cc24c8924e6d22d02ac15f611c10e26db99b4
Signed-off-by: Nigel Babu <nigelb@redhat.com>
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...that can be used by client and self-heal daemon, namely:
afr_ta_post_op_lock()
afr_ta_post_op_unlock()
Note: These are not yet consumed. They will be used in the write txn
changes patch which will introduce 2 domain locking.
updates: bz#1579788
Change-Id: I636d50f8fde00736665060e8f9ee4510d5f38795
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
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Updates #352
Change-Id: I1bbb3c652ba33cec6aa37f3700370674077fb17d
Signed-off-by: karthik-us <ksubrahm@redhat.com>
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1.afr_discover_do: COPY_PASTE_ERROR
2.afr_fav_child_reset_sink_xattrs_cbk: REVERSE_INULL
3.afr_fop_lock_proceed: UNUSED_VALUE
4.afr_local_init: CHECKED_RETURN
5.afr_set_split_brain_choice: REVERSE_INULL
6.__afr_inode_write_finalize: FORWARD_NULL
7.afr_refresh_heal_done: REVERSE_INULL
8.afr_xl_op:UNUSED_VALUE
9.afr_changelog_populate_xdata: DEADCODE
10.set_afr_pending_xattrs_option: RESOURCE_LEAK
Note:
RESOURCE_LEAK complaints about afr_fgetxattr_pathinfo_cbk,
afr_getxattr_list_node_uuids_cbk and afr_getxattr_pathinfo_cbk seem to
be false alarms.
Change-Id: Ia4ca1478b5e2922084732d14c1e7b1b03ad5ac45
BUG: 789278
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
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Problem:
Append on a file with split-brain succeeds. Open is intercepted by open-behind,
when write comes on the file, open-behind does open+write. Open succeeds
because afr doesn't fail it. Then write succeeds because write-behind
intercepts it. Flush is also intercepted by write-behind, so the application
never gets to know that the write failed.
Fix:
Fail open on split-brain, so that when open-behind does open+write open fails
which leads to write failure. Application will know about this failure.
Change-Id: I4bff1c747c97bb2925d6987f4ced5f1ce75dbc15
BUG: 1294051
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
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Set names to threads on creation for easier
debugging.
Output of top -H -p <PID-OF-GLUSTERFSD>
Before:
19773 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
19774 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
19775 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
19776 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
19777 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
19778 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
19779 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
19780 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
19781 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
19782 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
19783 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
19784 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
19785 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterfsd
19786 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterfsd
19787 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterfsd
19789 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
19790 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
25178 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
5398 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
7881 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
After:
19773 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
19774 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glustertimer
19775 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd
19776 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glustermemsweep
19777 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glustersproc0
19778 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glustersproc1
19779 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterepoll0
19780 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusteridxwrker
19781 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusteriotwr0
19782 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterbrssign
19783 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterbrswrker
19784 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterclogecon
19785 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterclogd0
19786 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterclogd1
19787 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterclogd2
19789 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterposixjan
19790 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterposixfsy
25178 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterepoll1
5398 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterepoll2
7881 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterposixhc
Change-Id: Id5f333755c1ba168a2ffaa4fce6e71c375e10703
BUG: 1254002
Updates: #271
Signed-off-by: Raghavendra Talur <rtalur@redhat.com>
Reviewed-on: https://review.gluster.org/11926
Reviewed-by: Prashanth Pai <ppai@redhat.com>
Smoke: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
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Problem:
Currently there is no way for the admin from CLI to resolve gfid
split-brain based on some policy like choice of the brick, mtime
or size.
Fix:
With the existing CLI options based on size, mtime, and choice of
brick, we do lookup on the parent for the specified file. As
part of the lookup, if we find gfid mismatch, we resolve them
based on the policy and return. If the file is not in gfid split-
brain, then we check for the data and metadata split-brain in the
getxattr code path, and resolve if any.
This will work provided absolute path to the file with the CLI
and not with gfid of the file. Hence the source-brick policy
without any file path will also not resolve the gfid split-brain
since it uses the gfid of the files. But it can resolve any other
type of split-brains and skip the gfid mismatch resolution with
the usual error message.
Reverting the change https://review.gluster.org/17290. This patch
resolves the issue.
Fixes gluster/glusterfs#135
Change-Id: Iaeba6fc32f184a34255d03be87cda02773130a09
BUG: 1459530
Signed-off-by: karthik-us <ksubrahm@redhat.com>
Reviewed-on: https://review.gluster.org/17485
Reviewed-by: Ravishankar N <ravishankar@redhat.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Smoke: Gluster Build System <jenkins@build.gluster.org>
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Problem: Currently heal info command prints all
the files/directories if the index for the
file/directory is present in .glusterfs/indices folder.
After implementing patch http://review.gluster.org/#/c/13733/
indices of the file which is going through update fop
will also be present in .glusterfs/indices even
if the fop is successful on all the brick. At this time
if heal info command is being used, it will also display this
file which is actually healthy and does not require any heal.
Solution: Take lock on a file corresponding to the indices
and inspect xattrs to decide if the file needs heal or not.
Change-Id: I6361e2813ece369be12d02e74816df4eddb81cfa
BUG: 1366815
Signed-off-by: Ashish Pandey <aspandey@redhat.com>
Reviewed-on: http://review.gluster.org/15543
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Smoke: Gluster Build System <jenkins@build.gluster.org>
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1. While looking at glustershd logs in DEBUG log-level, it was found that
all bricks of the replica were printed as local bricks even though they
were not. Fixed it.
2. Print the name of the subvol from which the entry was got during
index crawl.
Change-Id: I08b32e38694c755715e9fe0c0e1dd9212abcfb16
BUG: 1381421
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
Reviewed-on: http://review.gluster.org/15610
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Smoke: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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Specifically when a directory tree is removed (rm -rf)
while a brick is down, both the directory index and the
name indices of the files and subdirs under it will remain.
Self-heal will need to pick up these and remove them.
Towards this, afr sh will now also crawl indices/entry-changes
and call an rmdir on the dir if the directory index is stale.
On the brick side, rmdir fop has been implemented for index xl,
which would delete the directory index and its contents if present
in a synctask.
Change-Id: I8b527331c2547e6c141db6c57c14055ad1198a7e
BUG: 1331323
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: http://review.gluster.org/14832
Reviewed-by: Ravishankar N <ravishankar@redhat.com>
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
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s/outout/output/
Change-Id: I2aec770cdae513cd4932e5fd56e0267584e44cae
Signed-off-by: Vijay Bellur <vbellur@redhat.com>
Reviewed-on: http://review.gluster.org/13930
Smoke: Gluster Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Zhou Zhengping <johnzzpcrystal@gmail.com>
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Multi-threaded healing doesn't create synctask with shd pid, this
leads to healing problems when quota exceeds.
BUG: 1332994
Change-Id: I80f57c1923756f3298730b8820498127024e1209
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/14211
Smoke: Gluster Build System <jenkins@build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Ravishankar N <ravishankar@redhat.com>
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Change-Id: I52da41dff5619492b656c2217f4716a6cdadebe0
BUG: 1269461
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: http://review.gluster.org/12442
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Smoke: Gluster Build System <jenkins@build.gluster.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
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BUG: 1221737
Change-Id: I0ed71a72f0e33bd733723e00a01cf28378c5534e
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/13755
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
Smoke: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
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Problem:
All inodes that are looked-up are always forgotten without fail in
afr removing the benefits of them being in lru. This same code can
cause crashes if between inode_lookup, inode_forget in afr if the
top xlator does inode_forget(0).
Fix:
Don't use lookup/forget in afr. No benefits are there at the moment
for keeping this code. It is impossible to prevent top xlators to
do inode_forget(0). Found similar instances in ec
and removed them even though those code paths are not going to
be executed in any place other than heal-daemon.
BUG: 1321554
Change-Id: Ia4cb236178f7f129cc898d53f0bbd26f494a2a8d
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/13834
Smoke: Gluster Build System <jenkins@build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anuradha Talur <atalur@redhat.com>
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It is better to choose local brick as source if possible to prevent
over the wire read thus saving on bandwidth. Also changed code to not
attempt data-heal if 'source' is selected as arbiter.
Change-Id: I9a328d0198422280b13a30ab99545370a301dfea
BUG: 1314150
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/13585
Smoke: Gluster Build System <jenkins@build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
Tested-by: Krutika Dhananjay <kdhananj@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
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Problem:
If index heal is launched when some of the bricks are down, glustershd of that
node sends a -1 op_ret to glusterd which eventually propagates it to the CLI.
Also, glusterd sometimes sends an err_str and sometimes not (depending on the
failure happening in the brick-op phase or commit-op phase). So the message that
gets displayed varies in each case:
"Launching heal operation to perform index self heal on volume testvol has been
unsuccessful"
(OR)
"Commit failed on <host>. Please check log file for details."
Fix:
1. Modify afr_xl_op() to return -1 even if index healing of atleast one brick
fails.
2. Ignore glusterd's error string in gf_cli_heal_volume_cbk and print a more
meaningful message.
The patch also fixes a bug in glusterfs_handle_translator_op() where if we
encounter an error in notify of one xlator, we break out of the loop instead of
sending the notify to other xlators.
Change-Id: I957f6c4b4d0a45453ffd5488e425cab5a3e0acca
BUG: 1302291
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
Reviewed-on: http://review.gluster.org/13303
Reviewed-by: Anuradha Talur <atalur@redhat.com>
Smoke: Gluster Build System <jenkins@build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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Things done :
1) during lookup and inode_refresh as part of read_txn,
request is sent to detect if heal is required or not.
2) If heal is required, be conservative in setting the
readdirp entry inodes to NULL, otherwise don't be.
3) Self-heal-daemon now crawls both indices/xattrop
and indices/dirty directory while healing.
Change-Id: Ic4a4da63fb7e0726eab5f341a200859b29cf7eb7
BUG: 1250803
Signed-off-by: Anuradha Talur <atalur@redhat.com>
Reviewed-on: http://review.gluster.org/12507
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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Change-Id: I8ae7af266d3e00460f0cfdc9389a926e5f2fee36
BUG: 1282761
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/12598
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Xavier Hernandez <xhernandez@datalab.es>
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updated
Change-Id: I94ac7b2cb0d43a82cf0eeee21407cff9b575c458
BUG: 1194640
Signed-off-by: arao <arao@redhat.com>
Signed-off-by: Mohamed Ashiq <mliyazud@redhat.com>
Reviewed-on: http://review.gluster.org/9897
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@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 adds support for xdata in both the
request and response path of syncops.
Few calls like lookup already had the support;
have renamed variables in few places to maintain
uniformity.
xdata passed downwards is known as xdata_in
and xdata passed upwards is known as xdata_out.
There is an old patch by Jeff Darcy at
http://review.gluster.org/#/c/8769/3 which does the
same for some selected calls. It also brings in
xdata support at gfapi level.
xdata support at gfapi level would be introduced
in subsequent patches.
Change-Id: I340e94ebaf2a38e160e65bc30732e8fe1c532dcc
BUG: 1158621
Signed-off-by: Raghavendra Talur <rtalur@redhat.com>
Reviewed-on: http://review.gluster.org/9859
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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CID:1194644
Childup[] value will not be equal to -1 when afr_xl_op() function gets called
Change-Id: Iaf7a9d41a54f6b2d52d9ba5dadb638f328afe14b
BUG: 789278
Signed-off-by: Manikandan Selvaganesh <mselvaga@redhat.com>
Reviewed-on: http://review.gluster.org/9540
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Humble Devassy Chirammal <humble.devassy@gmail.com>
Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-by: Kaleb KEITHLEY <kkeithle@redhat.com>
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glusterfs relies on Linux uuid implementation, which
API is incompatible with most other systems's uuid. As
a result, libglusterfs has to embed contrib/uuid,
which is the Linux implementation, on non Linux systems.
This implementation is incompatible with systtem's
built in, but the symbols have the same names.
Usually this is not a problem because when we link
with -lglusterfs, libc's symbols are trumped. However
there is a problem when a program not linked with
-lglusterfs will dlopen() glusterfs component. In
such a case, libc's uuid implementation is already
loaded in the calling program, and it will be used
instead of libglusterfs's implementation, causing
crashes.
A possible workaround is to use pre-load libglusterfs
in the calling program (using LD_PRELOAD on NetBSD for
instance), but such a mechanism is not portable, nor
is it flexible. A much better approach is to rename
libglusterfs's uuid_* functions to gf_uuid_* to avoid
any possible conflict. This is what this change attempts.
BUG: 1206587
Change-Id: I9ccd3e13afed1c7fc18508e92c7beb0f5d49f31a
Signed-off-by: Emmanuel Dreyfus <manu@netbsd.org>
Reviewed-on: http://review.gluster.org/10017
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
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Problem:
During pre-op phase, the index xlator
1. Creates the entry inside .glusterfs/indices/xattrop
2. Winds the xattrop fop to posix to mark dirty/pending changelogs.
If the brick crashes after 1, the xattrop entry becomes stale and never
gets removed by shd during subsequent crawls because there is nothing to
heal (changelogs are zero).
Though the stale entry does not get displayed in the output of 'heal
info' command, it nevertheless stays there forever unless a new write
transaction is performed on the file.
Fix:
During index self-heal if afr xattrs are found to be clean (indicated by
ret value of 2 on a call to afr_shd_selfheal(), send a dummy
post-op with all 0s for the xattr values, which makes the index xlator
to unlink the stale entry.
Change-Id: I02cb2bc937f2e3f3f3cb35d67b006664dc7ef919
BUG: 1190069
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
Reviewed-on: http://review.gluster.org/9714
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Anuradha Talur <atalur@redhat.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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This patch introduces the changes required in ec xlator to handle
index/full heal.
Index healer threads:
Ec xlator start an index healer thread per local brick. This thread keeps
waking up every minute to check if there are any files to be healed based on
the indices kept in index directory. Whenever child_up event comes, then also
this index healer thread wakes up and crawls the indices and triggers heal.
When self-heal-daemon is disabled on this particular volume then the healer
thread keeps waiting until it is enabled again to perform heals.
Full healer threads:
Ec xlator starts a full healer thread for the local subvolume provided by
glusterd to perform full crawl on the directory hierarchy to perform heals.
Once the crawl completes the thread exits if no more full heals are issued.
Changed xl-op prefix GF_AFR_OP to GF_SHD_OP to make it more generic.
Change-Id: Idf9b2735d779a6253717be064173dfde6f8f824b
BUG: 1177601
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/9787
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Ravishankar N <ravishankar@redhat.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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These will be used by both afr and ec. Moved syncop_dirfd, syncop_ftw,
syncop_dir_scan functions also into syncop-utils.c
Change-Id: I467253c74a346e1e292d36a8c1a035775c3aa670
BUG: 1177601
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/9740
Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-by: Anuradha Talur <atalur@redhat.com>
Reviewed-by: Ravishankar N <ravishankar@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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Change-Id: I87484c810006a92ed7489284b6d74e9b0aecae80
BUG: 1177601
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/9598
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Ravishankar N <ravishankar@redhat.com>
Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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ftw provides file tree walk.
dir_scan does just a readdir not readdirp.
Also changed Afr's self-heal-daemon's crawling functions to use this.
These utils will be used by ec in future to do proactive/full healing.
Change-Id: I05715ddb789592c1b79a71e98f1e8cc29aac5c26
BUG: 1177601
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/9485
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Ravishankar N <ravishankar@redhat.com>
Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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Pass xdata dict to syncop_(f)getxattr calls.
This patch [1/3] is required as a part of afr automated split-brain resolution
implementation.
Change-Id: I3970b3dd6daf64681a031e37f8e9afb14fb3d668
BUG: 1136769
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
Reviewed-on: http://review.gluster.org/9375
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Reviewed-by: Niels de Vos <ndevos@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Shyamsundar Ranganathan <srangana@redhat.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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POSIX says that an offset obtained from telldir() can only be used
on the same DIR *. Linux is abls to reuse the offset accross
closedir()/opendir() for a given directory, but this is not portable
and such a behavior should be fixed.
An incomplete fix for the posix xlator was merged in
http://review.gluster.com/8926
This change set completes it.
- Perform the same fix index xlator.
- Use appropriate casts and variable types so that 32 bit signed
offsets obtained by telldir() do not get clobbered when copied into
64 bit signed types.
- modify glfs-heal.c and afr-self-heald.c so that they do not use
anonymous fd, since this will cause closedir()/opendir() between
each syncop_readdir(). On failure we fallback to anonymous fs
only for Linux so that we can cope with updated client vs not
updated brick.
- Avoid sending an EINVAL when the client request for the EOF offset.
Here we fix an error in previous fix for posix xlator: since we
fill each directory entry with the offset of the next entry, we
must consider as EOF the offset of the last entry, and not the
value of telldir() after we read it.
- Add checks in regression tests that we do not hit cases where
offsets fed to seekdir() are wrong. Introduce log_newer() shell
function to check for messages produced by the current script.
This fix gather changes from http://review.gluster.org/9047
and http://review.gluster.org/8936 making them obsolete.
BUG: 1129939
Change-Id: I59fb7f06a872c4f98987105792d648141c258c6a
Signed-off-by: Emmanuel Dreyfus <manu@netbsd.org>
Reviewed-on: http://review.gluster.org/9071
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Raghavendra Bhat <raghavendra@redhat.com>
Tested-by: Raghavendra Bhat <raghavendra@redhat.com>
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Thanks a lot to Niels for helping me to get build stuff right.
Change-Id: I634f24d90cd856ceab3cc0c6e9a91003f443403e
BUG: 1147462
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/6529
Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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According to POSIX, seekdir() should only be given offset obtained from
telldir() on the same DIR *
http://pubs.opengroup.org/onlinepubs/9699919799/functions/seekdir.html
Code from afr-self-heald.c and index.c is operating outside of the
specification, by doing using seekdir() with offset from a previously
open/close/re-open directory. This seems to work on Linux (although with
no guarantee it will always in the future). On NetBSD the seekdir()
with a in invalid offset is a nilpotent operation, and causes an infinite
loop, since index_fill_readdir() always restart from the beginning of the
directory.
The situation is fixed by using a non anonymous fd in afr-self-heald.c:
we explicitely open the directory so that it remains open on the brick
side during the timeframe where we want to reuse offsets in seekdir().
This requires adding an opendir fop in index xlator.
If the brick was not updated, the opendir will fail and we fallback
to the standard violating approach for backward compatibility on Linux.
On other systems we fail since it never worked.
While there, add tests to check seekdir() success in index and posix
xlators, so that incorrect usage from calling code produce an explicit
error instead of an infinite loop. We can only do it on non Linux systems,
for the sake of backward compatibility when the brick was updated but
not the client.
BUG: 1129939
Change-Id: I88ca90acfcfee280988124bd6addc1a1893ca7ab
Signed-off-by: Emmanuel Dreyfus <manu@netbsd.org>
Reviewed-on: http://review.gluster.org/8760
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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Change-Id: I6618b7b2df0f88a3e6252f9136135cf402147a37
BUG: 1134221
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Reviewed-on: http://review.gluster.org/8852
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
Tested-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
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Problem:
Allowing lookup with 'gfid-req' will lead to assigning gfid at posix layer.
When two mounts perform lookup in parallel that can lead to both bricks getting
different gfids leading to gfid-mismatch/EIO for the lookup.
Fix:
Perform gfid heal inside lock.
BUG: 1129529
Change-Id: I20c6c5e25ee27eeb906bff2f4c8ad0da18d00090
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
Reviewed-on: http://review.gluster.org/8512
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
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