| Commit message (Collapse) | Author | Age | Files | Lines |
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BUG: 1529480
Change-Id: If4775ed9886990c0e1bcf4e44c7dfef95cc4f0c3
Signed-off-by: Aravinda VK <avishwan@redhat.com>
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Fixes: #376
Change-Id: Ib92920c716c7d27e1eeb4bc4ebaf3efb48e0694d
Signed-off-by: Kotresh HR <khiremat@redhat.com>
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- Fixed Python pep8 issues
- Removed dead code
- Rewritten configuration management
- Rewritten Arguments/subcommands handling
- Added Args upgrade to accommodate all these changes without changing
glusterd code
- use of md5 removed, which was used to hash the brick path for workdir
Both Master and Slave nodes will have subdir for session in the
format "<mastervol>_<primary_slave_host>_<slavevol>
$GLUSTER_LOGDIR/geo-replication/<mastervol>_<primary_slave_host>_<slavevol>
$GLUSTER_LOGDIR/geo-replication-slaves/<mastervol>_<primary_slave_host>_<slavevol>
Log file paths renamed since session info is available with directory
name itself.
$LOG_DIR_MASTER/
- gsyncd.log - Gsyncd, Worker monitor logs
- mnt-<brick-path>.log - Aux mount logs, mounted by each worker
- changes-<brick-path>.log - Changelog related logs(One per brick)
$LOG_DIR_SLAVE/
- gsyncd.log - Slave Gsyncd logs
- mnt-<master-node>-<master-brick-path>.log - Aux mount logs,
mounted for each connection from master-node:master-brick
- mnt-mbr-<master-node>-<master-brick-path>.log - Same as above,
but mountbroker setup
Fixes: #73
Change-Id: I2ec2a21e4e2a92fd92899d026e8543725276f021
Signed-off-by: Aravinda VK <avishwan@redhat.com>
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Passive brick's stime was not updated to the
status file immediately after updating the brick
root. As a result the last sync time was showing
'0' until it finishes first crawl if passive
worker becomes active after restart. Fix is to
update the status file immediately after upgrading
the brick root.
Change-Id: I248339497303bad20b7f5a1d42ab44a1fe6bca99
BUG: 1500346
Signed-off-by: Kotresh HR <khiremat@redhat.com>
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Worker occasionally crashed with EINTR on readlink.
This is not persistent and is transient. Worker restart
invovles re-processing of few entries in changenlogs.
So adding EINTR to retry list to avoid worker restart.
Change-Id: Iefe641437b5d5be583f079fc2a7a8443bcd19f9d
BUG: 1499393
Signed-off-by: Kotresh HR <khiremat@redhat.com>
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Problem:
If there is a hardlink to a symlink on master
and if the symlink file is deleted on master,
geo-rep fails to sync the hardlink.
Typical Usecase:
It's easily hit with rsnapshot use case where
it uses hardlinks.
Example Reproducer:
Setup geo-replication between master and slave
volume and in master mount point, do the following.
1. mkdir /tmp/symlinkbug
2. ln -f -s /does/not/exist /tmp/symlinkbug/a_symlink
3. rsync -a /tmp/symlinkbug ./
4. cp -al symlinkbug symlinkbug.0
5. ln -f -s /does/not/exist2 /tmp/symlinkbug/a_symlink
6. rsync -a /tmp/symlinkbug ./
7. cp -al symlinkbug symlinkbug.1
Cause:
If the source was not present while syncing hardlink,
it was always packing the blob as regular file.
Fix:
If the source was not present while syncing hardlink,
pack the blob based on the mode.
Change-Id: Iaa12d6f99de47b18e0650e7c4eb455f23f8390f2
BUG: 1432046
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reported-by: Christian Lohmaier <lohmaier+rhbz@gmail.com>
Reviewed-on: https://review.gluster.org/18011
Smoke: Gluster Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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Convert the logs related to entry failures fix
due to gfid mismatch logs into structured logging
format
Change-Id: I9bce950c5339b48d3ec8b84bddee38b0473b7634
Updates: #246
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: https://review.gluster.org/17896
Smoke: Gluster Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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Updates: #246
Change-Id: If0ce83fe8dd3068bfb671f398b2e82ac831288d0
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: https://review.gluster.org/17577
Smoke: Gluster Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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libgfchangelog was encoding path using spec rfc3986, but encoding only
required for SPACE and NEWLINE chars since the NEWLINE char is used as
record separator and SPACE as field separator in the parsed changelogs
output.
Changed the encoding function to encode only SPACE and NEWLINE.
BUG: 1451724
Change-Id: I1936efad31788a9e636f912c832ed7d7efea4fe2
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: https://review.gluster.org/17787
Reviewed-by: Prashanth Pai <ppai@redhat.com>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Smoke: Gluster Build System <jenkins@build.gluster.org>
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In a distributed volume on master, it can so happen that
the RMDIR followed by MKDIR is recorded in changelog on
a particular subvolume with same gfid and pargfid/bname
but not on all subvolumes as below.
E 61c67a2e-07f2-45a9-95cf-d8f16a5e9c36 RMDIR \
9cc51be8-91c3-4ef4-8ae3-17596fcfed40%2Ffedora2
E 61c67a2e-07f2-45a9-95cf-d8f16a5e9c36 MKDIR 16877 0 0 \
9cc51be8-91c3-4ef4-8ae3-17596fcfed40%2Ffedora2
While processing this changelog, geo-rep thinks RMDIR is
successful and does recursive rmdir on slave. But in the
master the directory still exists. This could lead to
data discrepancy between master and slave.
Cause:
RMDIR-MKDIR pair gets recorded so in changelog when the
directory removal is successful on cached subvolume and
failed in one of hashed subvol for some reason
(may be down). In this case, the directory is re-created
on cached subvol which gets recorded as MKDIR again in
changelog.
Solution:
So while processing RMDIR geo-replication should stat on
master with gfid and should not delete it if it's present.
Change-Id: If5da1d6462eb4d9ebe2e88b3a70cc454411a133e
BUG: 1467718
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: https://review.gluster.org/17695
Smoke: Gluster Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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Changed all log messages to structured log format
Change-Id: Idae25f8b4ad0bbae38f4362cbda7bbf51ce7607b
Updates: #240
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: https://review.gluster.org/17551
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
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In Geo-rep, Sync jobs can be configured using, `config sync-jobs 3`. This
patch adds following information related to the sync job(Rsync/Tarssh)
Example output:
[2017-06-13 09:09:32.532181] I [master(/bricks/b1):1713:syncjob] Syncer: \
Sync Time Taken (Job:2 Files:5484 ReturnCode:0): 4.8774 secs
Change-Id: Ifceb96d4b8d14e00fd1290c0aeff60d64b4d7f37
BUG: 1455179
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: https://review.gluster.org/17531
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
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With each batch having the type and count of
each fop helps to know the kind of I/O.
Having time taken to sync entry ops, metadata
ops and data ops gives us good understanding
into where the more time is being spent.
This patch does the same.
Change-Id: Ib52a0f9ede905f28a468b68bdf6d23e4b043f3e3
BUG: 1455179
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: https://review.gluster.org/17066
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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Changelog batch size is set to 727040 bytes which
is the size of all the changelogs in a single batch.
It's based on few tests which approximately processes
5K entries. But it might vary on different machines.
Making it configurable gives more control on the
frequency of stime updates. This patch does the same.
Change-Id: I9a5ebb3d92c1327dded0e0a712c43a5a9046c1b0
BUG: 1454872
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: https://review.gluster.org/17376
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Amar Tumballi <amarts@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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If stime is set to (0, 0) on master brick root, it
is expected to do complete sync ignoring the stime
set on sub directories. But while initializing the
stime variable for comparison, it was initailized
to (-1, 0) instead of (0, 0). Fixed the same.
The stime is set to (0, 0) with the 'reset-sync-time' option
while deleting session.
'gluster vol geo-rep master fedora1::slave delete reset-sync-time'
The scenario happens when geo-rep session is deleted as above and
for some reason the session is re-established with same slave volume
after deleting data on slave volume.
Change-Id: Ie5bc8f008dead637a09495adeef5577e2b33bc90
BUG: 1422760
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: https://review.gluster.org/16629
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Smoke: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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If directory creation is failed, return immediately before
further processing. Allowing it to further process will
fail the entire directory tree syncing to slave. Hence
master will log and raise exception if it's directory
failure. Earlier, master used to log the failure and
proceed.
Change-Id: Iba2a8b5d3d0092e7a9c8a3c2cdf9e6e29c73ddf0
BUG: 1411607
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: http://review.gluster.org/16364
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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During Hybrid crawl, Geo-rep maintains stime xattr in subdirectories along
with the Brick root. This is done to skip directories if Geo-rep crashes
before Hybrid crawl completes.
Update Last synced status only when stime xattr updated in brick root.
Status output will mislead if it shows sub directory stime as
last synced time.
BUG: 1396081
Change-Id: I5b73aee7ae4a1c1e2d1001d1f55559b9f9efd6e6
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/15869
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Smoke: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
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- Redundant log messages removed.
- Worker and connected slave node details added in "starting worker" log
- Added log for Monitor state change
- Added log for Worker status change(Initializing/Active/Passive/Faulty)
- Added log for Crawl status Change
- Added log for config set and reset
- Added log for checkpoint set, reset and completion
BUG: 1359612
Change-Id: Icc7173ff3c93de4b862bdb1a61760db7eaf14271
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/15684
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
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libgfchangelog was not respecting the log_level configured
in Geo-replication. With this patch Libgfchangelog log level
can be configured using `config changelog_log_level TRACE`.
Default Changelog log level is INFO
BUG: 1363965
Change-Id: Ida714931129f6a1331b9d0815da77efcb2b898e3
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/15078
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
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This patch removes changelogsdb part of post processing since
not got much performance advantage as expected.
Entry stime and other logging improvements retained.
BUG: 1364420
Change-Id: Ib99d23f09d96c14bc28225b47d9134260f5551bf
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/15371
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
Smoke: Gluster Build System <jenkins@build.gluster.org>
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With this patch, Data and Meta GFIDs are post processed. If Changelog has
UNLINK entry then remove from Data and Meta GFIDs list(If stat on GFID is
ENOENT in Master).
While processing Changelogs,
- Collect all the data and meta operations in a temporary database
- Delete all Data and Meta GFIDs which are already unlinked as per Changelogs
(unlink only if stat on GFID is ENOENT)
- Process all Entry operations as usual
- Process data and meta operations in batch(Fetch from Db in batch)
- Data sync is again batched based on number of changelogs(Default 1day
changelogs). Once the sync is complete, Update last Changelog's time as last_synced
time as usual.
Additionally maintain entry_stime on Brick root, ignore Entry ops if changelog
suffix time is less than entry_stime. If data stime is more than entry_stime,
this can happen only when passive worker updates stime by itself by getting
mount point stime. Use entry_stime = data_stime in this case.
New configurations:
max-rsync-retries - Default Value is 10
max-data-changelogs-in-batch - Max number of changelogs to be considered in a
batch for syncing. Default value is 5760(4 changelogs per min * 60 min *
24 hours)
max-history-changelogs-in-batch - Max number of history changelogs to be
processed at once. Default value 86400(4 changelogs per min * 60 min * 24
hours * 15 days)
BUG: 1364420
Change-Id: I7b665895bf4806035c2a8573d361257cbadbea17
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/15110
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
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Set the stime xattr at all the brick roots to (0,0) if the argument
reset-sync-time has been provided on the command-line.
To avoid testing against directory specific stime, the remote
stime is assumed to be minus_infinity, if the root directory
stime is set to (0,0), before the directory scan begins.
This triggers a full volume resync to slave in the case of a
geo-rep session recreation with the same master-slave volume
pair.
Command synopsis:
gluster volume geo-replication <MASTERVOL> <SLAVE>::<SLAVEVOL> delete \
[reset-sync-time]
Update gluster cli man page to include new sub-command reset-sync-time.
Change-Id: Ie4ce03b9425ed9bb81eda8681058c0fc6f990948
BUG: 1311926
Signed-off-by: Milind Changire <mchangir@redhat.com>
Reviewed-on: http://review.gluster.org/14051
Reviewed-by: Kotresh HR <khiremat@redhat.com>
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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If unlinked GFID is not present in data list to be synced then
Geo-rep worker was crashing with KeyError. Handled KeyError with
this patch.
BUG: 1345744
Change-Id: I5a1c9ca4473e32606df2e5c7e26c95faf55d44c0
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/14706
Smoke: Gluster Build System <jenkins@build.gluster.org>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
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Geo-rep processes Changelogs in Batch, if one file in batch
fails with rsync error that Changelog file is reprocessed multiple times.
After MAX_RETRY, it logs all the GFIDs from that batch as Skipped.
This patch addresses following issues,
1. When Rsync/Tar fails do not parse Changelog again for retry
2. When Rsync/Tar fails do not replay Entry operations, only retry
rsync/tar for those GFIDs
3. Log Error in Rsync/Tar only in the last Retry
4. Do not log Skipped GFIDs since Rsync/Tar errors are logged for
only failed files.
5. Changed Entry failures as Error instead of Warning
BUG: 1287723
Change-Id: Ie134ce2572693056ab9b9008cd8aa5b5d87f7975
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/12856
Reviewed-by: Kotresh HR <khiremat@redhat.com>
Reviewed-by: Saravanakumar Arumugam <sarumuga@redhat.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
Smoke: Gluster Build System <jenkins@build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Venky Shankar <vshankar@redhat.com>
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Problem:
Hardlinks are synced as Sticky bit files to Slave in
a Tiering based volume.
In a Tiering based volume, cold tier is hashed subvolume
and geo-rep captures all namespace operations in cold tier.
While syncing a file and its corresponding hardlink, it is
recorded as MKNOD in cold tier(for both) and
We end up creating two different files in Slave.
Solution:
If MKNOD with Sticky bit set is present, record it as LINK.
This way it will create a HARDLINK if source file exists (on slave),
else it will create a new file.
This way, Slave can create Hardlink file itself (instead
of creating a new file) in case of hardlink.
Change-Id: Ic50dc6e64df9ed01799c30539a33daace0abe6d4
BUG: 1301032
Signed-off-by: Saravanakumar Arumugam <sarumuga@redhat.com>
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/13281
Smoke: Gluster Build System <jenkins@build.gluster.com>
CentOS-regression: Gluster Build System <jenkins@build.gluster.com>
NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org>
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If ENTRY creation failed for symlink in Slave and symlink
renamed in Master. If Source not exists to Rename in Slave
Geo-rep interprets as Create of Target file. Geo-rep sends blob
of regular file to create symlink instead of sending blob of
symlink.
With this patch, Geo-rep identifies symlink and sends respective
blob.
BUG: 1289859
Change-Id: If9351974d1945141a1d3abb838b7d0de7591e48e
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/12917
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
Reviewed-by: Milind Changire <mchangir@redhat.com>
Tested-by: Milind Changire <mchangir@redhat.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
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Problem:
symlinks are not getting synced to slave in a Tiering based volume.
Solution:
Now, symlinks are created directly in cold tier bricks( in the backend).
Earlier, cold tier was avoided for namespace operations and only
hot tier was used while processing changelogs.
Now, cold tier is HASH subvolume in a Tiering volume.
So, carry out namespace operation only in cold tier subvolume and
avoid hot tier subvolume to avoid any races.
Earlier, XSYNC was used(and changeloghistory avoided) during initial sync
in order to avoid race while processing historychangelog in Hot tier.
This is no longer required as there is no race from Hot tier.
Also, avoid both live and history changelog ENTRY operations from Hot tier to avoid any race with cold tier.
Change-Id: Ia8fbb7ae037f5b6cb683f36c0df5c3fc2894636e
BUG: 1287519
Signed-off-by: Saravanakumar Arumugam <sarumuga@redhat.com>
Reviewed-on: http://review.gluster.org/12844
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
Reviewed-by: Venky Shankar <vshankar@redhat.com>
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When any of the open fd of a file is closed
on which fcntl lock is taken even though another
fd of the same file is open on which lock is taken,
all fcntl locks will be released. This causes both
replica workers to be ACTIVE sometimes. This patche
fixes that issue.
Change-Id: I1e203ab0e29442275338276deb56d09e5679329c
BUG: 1285488
Original-Author: Aravinda VK <avishwan@redhat.com>
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: http://review.gluster.org/12752
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Milind Changire <mchangir@redhat.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
Reviewed-by: Venky Shankar <vshankar@redhat.com>
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Active worker tries to acquire lock in each iteration. On every successfull
lock acqusition it was not closing previously opened lock fd.
To see the leak, get the PID of worker,
ps -ax | grep feedback-fd
watch ls /proc/$pid/fd
BUG: 1225566
Change-Id: Ic476c24c306e7ab372c5560fbb80ef39f4fb31af
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/12332
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Milind Changire <mchangir@redhat.com>
Reviewed-by: Saravanakumar Arumugam <sarumuga@redhat.com>
Reviewed-by: Venky Shankar <vshankar@redhat.com>
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GEO-REP INTEROP WITH SHARD FEATURE
Problem:
The sequence of entry creation and chown in master
is recorded as creation of entry with resulted
user:group in xsync changelog. During sync, entry
creation is always split into two ops, MKNOD and
SETATTR. Hence the issue is not being hit otherwise
it would have failed with EPERM if parent is owned
by different user. But with shard translator being
enabled on slave, doing entry creation with MKNOD and
SETATTR is not allowed, SETATTR fails as it accesses
inode structure which is not linked.
Solution:
The sequence of entry creation and chown in master
should be recorded as MKNOD and SETATTR separately always
and do entry creation with single op in gfid-access
xlator. The gfid-access patch will be sent separately.
Change-Id: I93e554bf9342397a7660503f5128e9709f8a0cd8
BUG: 1265148
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: http://review.gluster.org/12205
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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During XSync crawl, last_synced time in status file was not updated.
This patch fixes the issue by updating status file when stime xattr
is updated after Xsync or Changelog Crawl.
Change-Id: I4dc3a2d4c3d8378a939da0868caf1aef4f789599
Signed-off-by: Aravinda VK <avishwan@redhat.com>
BUG: 1247536
Reviewed-on: http://review.gluster.org/11771
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Jeff Darcy <jdarcy@redhat.com>
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GEO-REP INTEROP WITH SHARD FEATURE
If it is FXATTROP or XATTROP in changelog,
add the gfid to rsync queue.
Change-Id: If68d38d7ed00b70a4618cfcc8e75df3fbadbf724
BUG: 1265148
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: http://review.gluster.org/12226
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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This is a series of patch which aims to fix geo-replication
in a Tiering Volume.
Problem:
Consider, a file is placed in volume initially and then hot tier is
attached. During any operation on the file, due to lookup a linkto
file is created in hot tier.
Now, any namespace operation carried out on the file is recorded in
both cold and hot tier.
There is a room for races when both changelogs are replayed.
Solution:
So, We are going to replay (namespace related)operations
only in the hot tier.
Why?
a. If the file is directly placed in Hot tier , all fops will be
recorded in HOT tier.
b. If the file is already present in Cold tier, and if any fop is
carried out, it creates linkto file in Hot tier.
Now, operations like UNLINK, RENAME are captured in Hot
tier(by means of linkto file).
This way, we can get both tier's operation in HOT tier itself.
Now, once the file is demoted to COLD tier, any namespace operation
carried out on the cold tier can be avoided as we directly RECORD
the same in HOT tier.
How?
1. Check whether the brick is cold tier and skip ENTRY operation.
2. Also, if it is cold tier brick, use Xsync(which is used during initial run).
This will help in getting all cold tier bricks changes using File System crawl
and helps in avoiding races with hot tier brick(which can happen
if historychangelog used in cold tier brick).
Dependent patches:
1. http://review.gluster.org/12239
2. http://review.gluster.org/12326
Change-Id: I7692b1dbb8813a7e253451bca02f8f09a5782dde
BUG: 1266875
Signed-off-by: Saravanakumar Arumugam <sarumuga@redhat.com>
Reviewed-on: http://review.gluster.org/12355
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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This is a series of patches which aims to fix geo-replication
in a Tiering Volume.
Problem:
Consider, a file is placed in volume initially and then hot tier is
attached. During any operation on the file, due to lookup a linkto
file is created in hot tier.
Now, any namespace operation carried out on the file is recorded in
both cold and hot tier.
There is a room for races when both changelogs are replayed.
Solution:
So, We are going to replay (namespace related)operations
only in the hot tier.
Why?
a. If the file is directly placed in Hot tier, all fops will be
recorded in HOT tier.
b. If the file is already present in Cold tier, and if any fop is
carried out, it creates linkto file in Hot tier.
Now, operations like UNLINK, RENAME are captured in Hot tier(by means of linkto file).
This way, we can get both tier's operation in HOT tier itself.
But, We may miss initial Data sync immediately after creating the
file as it is only recording MKNOD. So, if MKNOD encountered
with sticky bit set, queue DATA operation for the corresponding gfid.
(This is addressed here in this patch)
So, If tier-gfid linkto is set, we need to record the corresponding
MKNOD. Earlier this was avoided as it was set as INTERNAL fop.
(This changelog related changes are addressed in the patch:
- http://review.gluster.org/12417)
Change-Id: I2fa84cfa2b0f86506c3d15d484138ab9651e4f83
BUG: 1266875
Signed-off-by: Saravanakumar Arumugam <sarumuga@redhat.com>
Reviewed-on: http://review.gluster.org/12326
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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Both ACTIVE and PASSIVE workers register to changelog
at almost same time. When PASSIVE worker becomes ACTIVE,
the start and end time would be current stime and register_time
repectively for history API. Hence register_time would be less
then stime for which history obviously fails. But it will
be successful for the next restart as new register_time > stime.
Fix is to pass current time as the end time to history call
instead of the register_time.
Also improvised the logging for ACTIVE/PASSIVE switching.
Change-Id: Idc08b4b55c7a4c575ba44918a98389164ccbee8f
BUG: 1239044
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: http://review.gluster.org/11524
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
Reviewed-by: Venky Shankar <vshankar@redhat.com>
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Fix fd reference before assignment in mgmt_lock
function.
Change-Id: Ie939d4262a59cae0817ae388658a000576ab69b8
BUG: 1233411
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: http://review.gluster.org/11318
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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When DHT can't resolve a File it raises ESTALE, ignore ESTALE errors
same as ENOENT after retry.
Affected places:
Xattr.lgetxattr
os.listdir
os.link
Xattr.lsetxattr
os.chmod
os.chown
os.utime
os.readlink
BUG: 1232912
Change-Id: I02015f508d901e4a74dd48e1c52423e78eaf1dcd
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/11296
Reviewed-by: Kotresh HR <khiremat@redhat.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Venky Shankar <vshankar@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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If meta-volume is deleted and use_meta_volume
is set to false, geo-rep still fails complaining
meta volume is not mounted. The patch fixes that
issue.
Change-Id: Iecf732197926bf9ce69112287fccbb1c34e58e6d
BUG: 1234694
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: http://review.gluster.org/11358
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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Lock filename was formed with 'master volume id'
and 'subvol number'. Hence multiple slaves try
acquiring lock on same file and become PASSIVE
ending up not syncing data. Using 'slave volume id'
in lock filename will fix the issue making lock
file unique across different slaves.
BUG: 1234882
Change-Id: Ie3590b36ed03e80d74c0cfc1290dd72122a3b4b1
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: http://review.gluster.org/11367
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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ENTRY and META operations executed sequentially, DATA operations
are handled async, increment happens when a changelog parsed.
Decrement happens after the sync of all files.
'files_in_batch' was reset multiple times in batch instead of once.
BUG: 1224098
Change-Id: I87617f2fd5f4d3221a1c9f9d5a8efb0686c42bbe
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/10911
Reviewed-by: Kotresh HR <khiremat@redhat.com>
Tested-by: NetBSD Build System <jenkins@build.gluster.org>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Geo-rep can't sync xattrs and acls with tar over ssh
for following reasons.
Issue 1: xattrs doesn't sync with tar over ssh.
Reason: untar doesn't respect '--overwrite' option when used along
with '--xattrs'. So it sends unlink if the file exists on
destination and re-creates afresh. But all entry operations
are banned in aux-gfid-mount as it may lead to gfid-mismatch.
Hence fails with EPERM. This happens only when some xattr is
set on a file in master volume.
Issue2: acls on directories does not sync with tar over ssh.
Reason: tar tries to opendir ".gfid/<gfid1>" and is not supported
by gfid-access-translator as readirp can't be handled on
virtual inodes and hence fails with ENOTSUP where as it syncs
for files.
Since the issue is with tar commmand it self and nothing could be
done from gluster side, disabling xattr and acls support with tar
over ssh option.
Geo-rep can sync xattrs and acls with 'rsync' as the sync engine.
Change-Id: I6821d327e7fe15545adef644869aa2389f79c701
BUG: 1223642
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: http://review.gluster.org/10873
Tested-by: NetBSD Build System
Reviewed-by: Venky Shankar <vshankar@redhat.com>
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While doing RMDIR worker gets ENOTEMPTY because same directory will
have files from other bricks which are not deleted since that worker
is slow processing. So geo-rep does recursive_delete.
Recursive delete was done using shutil.rmtree. once started, it will
not check disk_gfid in between. So it ends up deleting the new files
created by other workers. Also if other worker creates files after one
worker gets list of files to be deleted, then first worker will again
get ENOTEMPTY again.
To fix these races, retry is added when it gets ENOTEMPTY/ESTALE/ENODATA.
And disk_gfid check added for original path for which recursive_delete is
called. This disk gfid check executed before every Unlink/Rmdir. If disk
gfid is not matching with GFID from Changelog, that means other worker
deleted the directory. Even if the subdir/file present, it belongs to
different parent. Exit without performing further deletes.
Retry on ENOENT during create is ignored, since if CREATE/MKNOD/MKDIR
failed with ENOENT will not succeed unless parent directory is created
again.
Rsync errors handling was handling unlinked_gfids_list only for one
Changelog, but when processed in batch it fails to detect unlinked_gfids
and retries again. Finally skips the entire Changelogs in that batch.
Fixed this issue by moving self.unlinked_gfids reset logic before batch
start and after batch end.
Most of the Geo-rep races with rm -rf is eliminated with this patch,
but in some cases stale directories left in some bricks and in mount
point we get ENOTEMPTY.(DHT issue, Error will be logged in Slave log)
BUG: 1211037
Change-Id: I8716b88e4c741545f526095bf789f7c1e28008cb
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/10204
Reviewed-by: Kotresh HR <khiremat@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Tested-by: NetBSD Build System
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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Discussion in gluster-devel
http://www.gluster.org/pipermail/gluster-devel/2015-April/044301.html
MASTER NODE - Master Volume Node
MASTER VOL - Master Volume name
MASTER BRICK - Master Volume Brick
SLAVE USER - Slave User to which Geo-rep session is established
SLAVE - <SLAVE_NODE>::<SLAVE_VOL> used in Geo-rep Create command
SLAVE NODE - Slave Node to which Master worker is connected
STATUS - Worker Status(Created, Initializing, Active, Passive, Faulty,
Paused, Stopped)
CRAWL STATUS - Crawl type(Hybrid Crawl, History Crawl, Changelog Crawl)
LAST_SYNCED - Last Synced Time(Local Time in CLI output and UTC in XML output)
ENTRY - Number of entry Operations pending.(Resets on worker restart)
DATA - Number of Data operations pending(Resets on worker restart)
META - Number of Meta operations pending(Resets on worker restart)
FAILURES - Number of Failures
CHECKPOINT TIME - Checkpoint set Time(Local Time in CLI output and UTC
in XML output)
CHECKPOINT COMPLETED - Yes/No or N/A
CHECKPOINT COMPLETION TIME - Checkpoint Completed Time(Local Time in CLI
output and UTC in XML output)
XML output:
<?xml version="1.0" encoding="UTF-8" standalone="yes"?>
cliOutput>
geoRep>
volume>
name>
sessions>
session>
session_slave>
pair>
master_node>
master_brick>
slave_user>
slave/>
slave_node>
status>
crawl_status>
entry>
data>
meta>
failures>
checkpoint_completed>
master_node_uuid>
last_synced>
checkpoint_time>
checkpoint_completion_time>
BUG: 1212410
Change-Id: I944a6c3c67f1e6d6baf9670b474233bec8f61ea3
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/10121
Tested-by: NetBSD Build System
Reviewed-by: Kotresh HR <khiremat@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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1. Access unreferenced access of fd:
In meta volume configuration for geo-rep, if
geo-rep directory is not created yet, open fails
with no fd, but it is accessed in close(fd). So
after creating 'geo-rep' directory in meta-volume,
open the lock file to get fd.
2. Fix volume_id in forming lock file name.
For the very first time, gconf.volume_id would
be null, as config is not reloaded yet. Hence, use
'uuid' function to get the volume id.
Change-Id: I8381ab7a44bc800df25d596218466641c10937a4
BUG: 1210344
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: http://review.gluster.org/10458
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Aravinda VK <avishwan@redhat.com>
Tested-by: NetBSD Build System
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Changelog processing is done in batch, for example if 10 changelogs
available for processing then process all at once. Collect Entry, Meta
and Data operations separately, All the entry operations like CREATE,
MKDIR, MKNOD, LINK, UNLINK will be executed first then rsync will be
triggered for whole batch. Stime will get updated once the complete
batch is complete.
In case of large number of Changelogs in a batch, If geo-rep fails after
Entry operations, but before rsync then on restart, it again starts from the
beginning since stime is not updated. It has to process all the changelogs
again. While processing same changelogs again, all CREATE will get EEXIST
since all the files created in previous run. Big hit for performance.
With this patch, Geo-rep limits number of changelogs per batch based on
Changelog file size. So that when geo-rep fails it has to retry only last batch
changelogs since stime gets updated after each batch.
BUG: 1210965
Change-Id: I844448c4cdcce38a3a2e2cca7c9a50db8f5a9062
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/10202
Reviewed-by: Kotresh HR <khiremat@redhat.com>
Tested-by: NetBSD Build System
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Vijay Bellur <vbellur@redhat.com>
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ENTRY operations failures on slave left no trace for debugging purposes.
This patch captures such failures on slave cluster and forwards them to
the master and logs them. Failures of specific interest are the ones
which return code EEXIST on the failing operations.
Change-Id: Iecab876f16593c746d53f4b7ec2e0783367856bb
BUG: 1207115
Signed-off-by: Milind Changire <mchangir@redhat.com>
Reviewed-on: http://review.gluster.org/10048
Reviewed-by: Aravinda VK <avishwan@redhat.com>
Tested-by: NetBSD Build System
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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Making geo-rep use the common storage shared by nfs,
snapshot and geo-rep. The meta volume should be named
as gluster_shared_storage, and it should be mounted
at "/var/run/gluster/shared_storage/".
geo-rep will have create a directory called 'geo-rep'
in the meta-volume and all the lock files are created
inside it.
Change-Id: I82d0bff9be191f75f643606a9a21d53559047ac4
BUG: 1210344
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: http://review.gluster.org/10196
Reviewed-by: Aravinda VK <avishwan@redhat.com>
Tested-by: NetBSD Build System
Tested-by: Gluster Build System <jenkins@build.gluster.com>
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If this option is set, Deletes will not be propogated to Slave.
This option is applicable for UNLINK and RMDIR.
gluster volume geo-replication <MASTER> <SLAVEHOST>::<SLAVEVOL> \
config ignore_deletes true
Default value is false.
PS: Use this option with caution, If you create the file in master
with same path then it fails to sync to slave. Old file in Slave
will have different GFID compared to New.
BUG: 1189363
Change-Id: I1f7816d1ea36460a654873739d3fb1b6c13e0f8d
Signed-off-by: Aravinda VK <avishwan@redhat.com>
Reviewed-on: http://review.gluster.org/9583
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Kotresh HR <khiremat@redhat.com>
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The index value for UNLINK and RMDIR in changelog
is no more the last index. It varies based on whether
the 'changelog.capture-del-path' is enabled or not.
Hence, fixed index is used.
The option to capture deleted path in changelog comes
with the patch: http://review.gluster.org/#/c/10288/
And the parser changes with http://review.gluster.org/#/c/10166/
Change-Id: Idc1a2e2bf90c888be4524d3ce74865aea09485de
BUG: 1214561
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: http://review.gluster.org/10344
Tested-by: NetBSD Build System
Reviewed-by: Aravinda VK <avishwan@redhat.com>
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This patch adds support for ACLS. When it sees SETXATTR
in Changelog, it adds the file to data queue. rsync/tar+ssh
will take care of syncing ACLS. User set ACLS will be
synced to Slave.
This requires "system.posix_acl_access" to go through when
client-pid is equal GF_CLIENT_PID_GSYNCD in fuse layer.
New config interface is introduced, sync-acls
Which can be set using geo-rep config(Default is True)
gluster volume geo-replication <VOLUME> <SLAVEHOST>::<SLAVEVOL> \
config sync-acls false
Change-Id: I7eb3523fa72b8fed830efc98138891244e830d65
BUG: 1187021
Signed-off-by: Kotresh HR <khiremat@redhat.com>
Reviewed-on: http://review.gluster.org/10001
Reviewed-by: Aravinda VK <avishwan@redhat.com>
Tested-by: Gluster Build System <jenkins@build.gluster.com>
Reviewed-by: Venky Shankar <vshankar@redhat.com>
Tested-by: Venky Shankar <vshankar@redhat.com>
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