| Commit message (Collapse) | Author | Age | Files | Lines |
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Shd keeps doing heals in a loop until it heals at least one entry in the
previous run. A heal is termed successful only if it heals both metadata and
entry/data heal i.e. the entry needs to be completely healed by just that healer.
In tests/basic/afr/granular-esh/replace-brick.t test, brick-0 is old and brick-1
is new. After replace-brick only root-gfid will be present in brick-0's index
1) shd-thread corresponding to brick-0 does metadata heal, this creates
root-gfid in brick-0's 'dirty' index.
2) Both healer threads corresponding to brick-0 and brick-1 now try to heal
root-gfid and brick-1 gets the heal-domain lock. brick-0's shd-thread will
experience a failure and it goes back to waiting for 10 minutes
(cluster.heal-timeout).
3) When brick-1's healer-thread completes healing root-gfid it creates 5 files
which create indices in brick-0, so until brick-0 doesn't trigger one more
heal, heal won't happen. $HEAL_TIMEOUT is set at 120 seconds, which is lesser
than cluster.heal-timeout, so decreasing this to 5 seconds so that the next
heal is triggered which will do the heals.
fixes bz#1613807
Change-Id: I881133fc28880d8615fbc4558a0dfa0dc63d7798
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
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In lcov based regression testing environments, all tests take
more time than what occurs in centos7 regressions. Possibly
due to code instrumentation for lcov purposes.
Due to this the test, bug-1432542-mpx-restart-crash.t constantly
times out. This patch increases the timeout for the same to enable
lcov tests to pass on a more regular basis.
It was also noted by Nithya that the test at times generated an
OOM kill on the regression machines. In order to reduce runtime
memory foot print of the tests, FUSE mounts are unmounted as
soon as the required test is complete.
Fixes: bz#1608568
Change-Id: I37f8d4b45807a69c52c7c7df4923c0fc33fab4e4
Signed-off-by: ShyamsundarR <srangana@redhat.com>
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The test was failing with brick-mux enabled
intermittently. As the test depends on lookup
to recover file via heal, it's advisable to
disable all perf xlators. Hence doing the same.
fixes: bz#1611566
Change-Id: Ib7705e7951d53c435b8e390298164d73c6d71745
Signed-off-by: Kotresh HR <khiremat@redhat.com>
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online_brick_count should discard Bitrot and Scrubber daemon.
Change-Id: I301373ccdbeec1d1a5e6c6b137f48ed997f22556
Fixes: bz#1611103
Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
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modified while in cache"
This reverts commit 7131de81f72dda0ef685ed60d0887c6e14289b8c.
With the latest master, I created a single brick volume and some files
inside it.
[root@rhgs313-6 ~]# umount -f /mnt/fuse1; mount -t glusterfs -s
192.168.122.6:/thunder /mnt/fuse1; ls -l /mnt/fuse1/; echo "Trying
again"; ls -l /mnt/fuse1
umount: /mnt/fuse1: not mounted
total 0
----------. 0 root root 0 Jan 1 1970 file-1
----------. 0 root root 0 Jan 1 1970 file-2
----------. 0 root root 0 Jan 1 1970 file-3
----------. 0 root root 0 Jan 1 1970 file-4
----------. 0 root root 0 Jan 1 1970 file-5
d---------. 0 root root 0 Jan 1 1970 subdir
Trying again
total 3
-rw-r--r--. 1 root root 33 Aug 3 14:06 file-1
-rw-r--r--. 1 root root 33 Aug 3 14:06 file-2
-rw-r--r--. 1 root root 33 Aug 3 14:06 file-3
-rw-r--r--. 1 root root 33 Aug 3 14:06 file-4
-rw-r--r--. 1 root root 33 Aug 3 14:06 file-5
d---------. 0 root root 0 Jan 1 1970 subdir
[root@rhgs313-6 ~]#
Conversation can be followed on gluster-devel on thread with subj:
tests/bugs/distribute/bug-1122443.t - spurious failure. git-bisected
pointed this patch as culprit.
Change-Id: I1eb46f6c196f44fde8ce991840a0e724e6f50862
Signed-off-by: Raghavendra G <rgowdapp@redhat.com>
Updates: bz#1390050
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gluster_shared_storage bricks
Problem: In a brick multiplexing environment, Bricks of a normal volume
created by user are getting attached to the bricks of a volume
"gluster_shared_storage" which is created by enabling the
enable-shared-storage option. Mounting gluster_shared_storage
has strict authentication checks. when we attach bricks of a normal
volume to bricks of gluster_shared_storage, mounting the normal
volume created by user will fail due to strict authentication checks.
Solution: We should not attach bricks of a normal volume to brick
process of gluster_shared_storage volume and vice versa.
fixes: bz#1610726
Change-Id: If1b5a2a02675789a2915ba480fb48c145449163d
Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
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Two pending SECURE_TEMP issues still exist in the coverity
reports, these are fixed by this patch.
In both instances (where functions actually seem to be
duplicates of each other) the need was for a FILE * and
not an fd. Applied the same pattern in both places as in
other parts of the code where mkstemp was used and later
a FILE * was created from the resulting fd for use.
Coverity report: https://download.gluster.org/pub/gluster/
glusterfs/static-analysis/master/glusterfs-coverity/
2018-07-30-4d3c62e7/html/
Issues numbered: 382, 383 (named SECURE_TEMP)
Further added tmpfile to the blacklist, so that future code
changes do not add the same, into symbol-check.sh.
Also corrected shellcheck errors in symbol-check.sh as a
result of updating the same.
Updates: bz#789278
Change-Id: I1d572a16ca5b5df2f597aeaa5f454fad34c8296e
Signed-off-by: ShyamsundarR <srangana@redhat.com>
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Always use ssh and scp with "-oPasswordAuthentication=no"
and "-oStrictHostKeyChecking=no" options. It might hang
the post script otherwise leading geo-rep setup failure
Also increased geo-rep timeout. Occasionally, it's taking
more time to reach Active/Passive status. Especially, the
first start after create.
fixes: bz#1610405
Change-Id: I9560d64dbe0edf5db73446a9fc97dda19b88d233
Signed-off-by: Kotresh HR <khiremat@redhat.com>
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anonymous fds interfere with working of read-ahead as read-ahead won't
be able to store its cache in fd. Also, as seen in bz 1455872,
anonymous fds also affect performance of large file sequential reads
as the cost of opening fd for each read on brick stack is
significant. So, have a proper fd which enables read-ahead to store
its cache and brick stack to reuse the fd during reads.
With this change test
tests/bugs/snapshot/bug-1167580-set-proper-uid-and-gid-during-nfs-access.t
fails consistently. The failure can also be seen with open-behind
off. bz 1611532 has been filed to track the issue with test. Thanks to
Rafi <rkavunga@redhat.com> for assistance provided in debugging test
failure.
Change-Id: Ifa52d8ff017f115e83247f3396b9d27f0295ce3f
Signed-off-by: Raghavendra G <rgowdapp@redhat.com>
Fixes: bz#1455872
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invalidation
Invalidations are triggered mainly by two codepaths - upcall and
write-behind unwinding a cached write with zeroed out stat. For the
case of upcall, following race can happen:
* stat s1 is fetched from brick
* invalidation is detected on brick
* invalidation is propagated to md-cache and cache is invalidated
* s1 updates md-cache with a stale state
For the case of write-behind, imagine following sequence of operations,
* A stat s1 was issued from application thread t1 when size of file
was s1
* stat s1 completes on brick stack, but yet to reach md-cache
* A write w1 from application thread t2 extends file to size s2 is
cached in write-behind and response is unwound with zeroed out stat
* md-cache while handling write-cbk, invalidates cache
* md-cache receives response for s1, updates cache with stale stat
with size of s1 overwriting invalidation state
Fix is to remember when s1 was incident on md-cache and update cache
with results of s1 only if the it was incident after invalidation of
cache.
This patch identified some bugs in regression tests which is tracked
in https://bugzilla.redhat.com/show_bug.cgi?id=1608158. As a stop gap
measure I am marking following tests as bad
basic/afr/split-brain-resolution.t
bugs/bug-1368312.t
bugs/replicate/bug-1238398-split-brain-resolution.t
bugs/replicate/bug-1417522-block-split-brain-resolution.t
bugs/replicate/bug-1438255-do-not-mark-self-accusing-xattrs.t
Change-Id: Ia4bb9dd36494944e2d91e9e71a79b5a3974a8c77
Signed-off-by: Raghavendra G <rgowdapp@redhat.com>
Updates: bz#1512691
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libargp or argp-standalone is available on all commonly used
distributions. There is no need to bundle an unmaintained version of
argp-standalone in this repository anymore.
FreeBSD places the argp.h file in /usr/local/include when
argp-standalone is installed. This path is not added to CPPFLAGS by
default, so thats done in configure.ac as well.
Change-Id: I384a53ab0a008ec9d48fd83afeaf8fbc197e91ee
Fixes: bz#1609337
Signed-off-by: Niels de Vos <ndevos@redhat.com>
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while in cache
PROBLEM:
Entries that are readdirp'd ahead can undergo modification in terms
of writes, truncates which could modify their iatts. When a readdir
is finally wound at offset corresponding to these entries, the iatts
that are returned to the application come from readdir-ahead's cache,
which are stale by now. This problem gets further aggravated when caching
translators/modules cache and continue to serve this stale information.
FIX:
Whenever a dentry undergoes modification, in the cbk of the modification fop,
a "dirty" flag (default 0) is set in its inode ctx. When it's time for
readdir-ahead to serve these entries, it will read the inode ctx and check
if the entry is "dirty", and if it is, set the entry's attrs to all zeroes,
as an indicator to fuse, md-cache etc not to cache these attributes.
Also there is one tiny race between the entry creation and a readdirp on its
parent dir, which could cause the inode-ctx setting and inode ctx reading to
happen on two different inode objects. To prevent this, fuse-bridge is made to
drop entries for which dentry->inode is not the same as linked inode,
in readdirp cbk.
Change-Id: If7396507632b5268442ca580473d5155fee9cbef
BUG: 1390050
Updates: bz#1390050
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
Signed-off-by: Raghavendra G <rgowdapp@redhat.com>
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Problem: In brick mux scenario sometime glusterd is not able
to start/attach a brick and gluster v status shows
brick is already running
Solution:
1) To make sure brick is running check brick_path in
/proc/<pid>/fd , if a brick is consumed by the brick
process it means brick stack is come up otherwise not
2) Before start/attach a brick check if a brick is mounted
or not
3) At the time of printing volume status check brick is
consumed by any brick process
Test: To test the same followed procedure
1) Setup brick mux environment on a vm
2) Put a breaking point in gdb in function posix_health_check_thread_proc
at the time of notify GF_EVENT_CHILD_DOWN event
3) unmount anyone brick path forcefully
4) check gluster v status it will show N/A for the brick
5) Try to start volume with force option, glusterd throw
message "No device available for mount brick"
6) Mount the brick_root path
7) Try to start volume with force option
8) down brick is started successfully
Change-Id: I91898dad21d082ebddd12aa0d1f7f0ed012bdf69
fixes: bz#1595320
Signed-off-by: Mohit Agrawal <moagrawa@redhat.com>
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Currently this lru limit is hard-coded to 16384. This patch makes it
configurable to make it easier to hit the lru limit and enable testing
of different cases that arise when the limit is reached.
The option is features.shard-lru-limit. It is by design allowed to
be configured only in init() but not in reconfigure(). This is to avoid
all the complexity associated with eviction of least recently used shards
when the list is shrunk.
Change-Id: Ifdcc2099f634314fafe8444e2d676e192e89e295
updates: bz#1605056
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
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Please review, it's not always just the comments that were fixed.
I've had to revert of course all calls to creat() that were changed
to create() ...
Only compile-tested!
Change-Id: I7d02e82d9766e272a7fd9cc68e51901d69e5aab5
updates: bz#1193929
Signed-off-by: Yaniv Kaul <ykaul@redhat.com>
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starting with libattr-devel-2.4.48-1 in Fedora 28 <attr/xattr.h> has
been removed from the package.
On Fedora, RHEL/CentOS, and SUSE, the glibc-headers package has provided
a near identical file, <sys/xattr.h>, in all the releases that we care
about.
On Debian, libc6-dev provides <sys/xattr.h> all the way back to 8/Jessie
and presumably all Ubuntu derivatives since then.
Note that on Debian the sys headers are installed in
/usr/include/$DEB_HOST_GNU_TYPE/sys/...
Change-Id: Id07c4b225bdaa6556bd54772604e75b8f346fb60
updates: bz#1193929
Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com>
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Problem:
If an entry creation transaction fails on quprum number of bricks
it might end up setting the pending changelogs on the file itself
on the brick where it got created. But the parent does not have
any entry pending marker set. This will lead to the entry not
getting healed by the self heal daemon automatically.
Fix:
For entry transactions mark dirty on the parent if it fails on
quorum number of bricks, so that the heal can do conservative
merge and entry gets healed by shd.
Change-Id: I56448932dd409b3ddb095e2ae32e037b6157a607
fixes: bz#1586020
Signed-off-by: karthik-us <ksubrahm@redhat.com>
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Problem: glusterd start a volume as a separate process instead of
attaching with the already running process if volume option has
different brick-log-level. There is no functionality impact on a brick
if the option has different brick-log-level so glusterd
should attach a brick with the already running process.
Solution: Ignore brick-log-level option in unsafe_option
BUG: 1599628
Change-Id: I72638ff2026fcd9332bc38e1144b1ef4a708820b
fixes: bz#1599628
Signed-off-by: Mohit Agrawal <moagrawal@redhat.com>
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since some time, geo-rep tests were in the border of 180-190 seconds to
complete. As actual test timeout is 200 seconds by default, giving
these tests some buffer time to complete properly.
updates: bz#1193929
Change-Id: I9f501a02b52585dff7d0473824bdbb229e124278
Signed-off-by: Amar Tumballi <amarts@redhat.com>
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1. rsnapshot creates a I/O pattern which involves
create, rename, symlink, hardlink in specific
order.
2. Hardlink rename on master with source unlinked use case
fixes: bz#1597540
Change-Id: Iedade47e5bf9905424a974df6ec33bc6f6695082
Signed-off-by: Kotresh HR <khiremat@redhat.com>
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Problem: Running "find ." does not crawl files. It goes over the
directories and lists all dentries with getdents system call.
Hence the files are not looked up.
Solution:
explicitly triggerr stat on files with find . -exec stat {} \;
since crawl can take slightly longer, updating timeout in test case
Change-Id: If3c1fba2ed8e300c9cc08c1b5c1ba93cb8e4d6b6
fixes: bz#1533000
Signed-off-by: Sanoj Unnikrishnan <sunnikri@redhat.com>
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During snap delete after removing brick-path we should remove
snap-path too i.e. /var/run/gluster/snaps/<snap-name>.
During snap deactivate also we should remove snap-path.
Change-Id: Ib80b5d8844d6479d31beafa732e5671b0322248b
fixes: bz#1597662
Signed-off-by: Sunny Kumar <sunkumar@redhat.com>
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Since setxattr and removexattr fops cbk do not carry poststat,
the stat cache was being invalidated in setxatr/remoxattr cbk.
Hence the further lookup wouldn't be served from cache.
To prevent this invalidation, md-cache is modified to get
the poststat in set/removexattr_cbk in dict.
Co-authored with Xavi Hernandez.
Change-Id: I6b946be2d20b807e2578825743c25ba5927a60b4
fixes: bz#1586018
Signed-off-by: Xavi Hernandez <xhernandez@redhat.com>
Signed-off-by: Poornima G <pgurusid@redhat.com>
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Problem: Inconsistent access permissions on directories after
bringing back the down sub-volumes, in case of directories dht_setattr
first wind a call on MDS once call is finished on MDS then wind a call
on NON-MDS.At the time of revalidating dht just compare the uid/gid with
stbuf uid/gid and if anyone differs set a flag to heal the same.
Solution: Add a condition to compare permission also in dht_revalidate_cbk
to set a flag to call dht_dir_attr_heal.
BUG: 1584517
Change-Id: I3e039607148005015b5d93364536158380d4c5aa
fixes: bz#1584517
Signed-off-by: Mohit Agrawal <moagrawa@redhat.com>
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_ios_dump_thread is not terminated by the function
_ios_destroy_dump_thread when the diagnostic interval is set
to 0 (which means disable auto dumping).
During reconfigure, if the value changes from 0 to another
then the thread is started, but on reconfiguring this to 0
the thread is not being terminated.
Further, if the value is changed from 0 to X to 0 to Y, where
X and Y are 2 arbitrary duration numbers, the reconfigure
code ends up starting one more thread (for each change from
0 to a valid interval).
This patch fixes the same by terminating the thread when the
value changes from non-zero to 0.
NOTE: It would seem nicer to use conf->dump_thread and check
its value for thread presence etc. but there is no documented
invalid value for the same, and hence an invalid check is not
feasible, thus introducing a new running bool to determine the
same.
Fixes: bz#1598548
Change-Id: I3e7d2ce8f033879542932ac730d57bfcaf14af73
Signed-off-by: ShyamsundarR <srangana@redhat.com>
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BUG: 1599250
Change-Id: I27bda2a0764580289e7154766e13a0c358cba3a8
fixes: bz#1599250
Signed-off-by: Mohit Agrawal <moagrawal@redhat.com>
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while fixing the coverity issues, we made a minor mistake in the
pass through logic in STACK_WIND macro.
Also, with this patch, made the code common to reduce possible
future errors creeping in due to missing one place update.
updates: bz#1193929
Change-Id: I6fcfd156d63b0a7e6208819872e565eacf774150
Signed-off-by: Amar Tumballi <amarts@redhat.com>
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This option, applicable to the node level daemons can be very helpful in
controlling the log level of these services. Please note any daemon
which is started prior to setting the specific value of this option (if
not INFO) will need to go through a restart to have this change into
effect.
Change-Id: I7f6d2620bab2b094c737f5cc816bc093e9c9c4c9
fixes: bz#1597473
Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
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fixes bz#1597156
Change-Id: I323eb9190e40b12df216698dcdba74a6d336beeb
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
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fixes: bz#1596524
updates: gluster/glusterd2#515
Change-Id: I8a46fa2fd1fd2b0e9fbcecd3bb18d348aed9c6a9
Signed-off-by: Amar Tumballi <amarts@redhat.com>
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Added a test case of symlink rename and directory
creation with the name same as original symlink
file. Also fixed few other issues in geo-rep.rc
fixes: bz#1595726
Change-Id: I8e6acd3e742f3a0104cd37b87d1c0e0c902679b5
Signed-off-by: Kotresh HR <khiremat@redhat.com>
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BZ 1337791 marked this .t as bad based on the tar version being a likely
suspect. Undoing this to check as it passes on the latest jenkins slaves.
Change-Id: Ia581064a9c620351d3fe7aeef95d2644337952e1
fixes: bz#1595492
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
Reported-by: Yaniv Kaul <ykaul@redhat.com>
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1) snprintf into linkname_expected should happen with PATH_MAX
2) comparison should happen with linkname_actual with complete
string linkname_expected
fixes bz#1595190
Change-Id: Ic3b3c362dc6c69c046b9a13e031989be47ecff14
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
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With patch [1], renames are journalled only
on cached subvolume. The dht sends the special
key on the cached subvolume so that the changelog
journals the rename. With single distribute
sub-volume, the key is not being set. This patch
fixes the same.
[1] https://review.gluster.org/10410
fixes: bz#1583018
Change-Id: Ic2e35b40535916fa506a714f257ba325e22d0961
Signed-off-by: Kotresh HR <khiremat@redhat.com>
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see https://review.gluster.org/#/c/19788/,
https://review.gluster.org/#/c/19871/,
https://review.gluster.org/#/c/19952/,
https://review.gluster.org/#/c/20104/,
https://review.gluster.org/#/c/20162/,
https://review.gluster.org/#/c/20185/,
https://review.gluster.org/#/c/20207/,
https://review.gluster.org/#/c/20227/, and
https://review.gluster.org/#/c/20307/
This patch fixes more selected comma white space (ws_comma) as suggested
by the 2to3 utility.
Note: Fedora packaging guidelines and SUSE rpmlint require explicit
shebangs, so popular practices like #!/usr/bin/env python and
or #!/usr/bin/python3
Note: Selected small fixes from 2to3 utility. Specifically apply,
basestring, funcattrs, has_key, idioms, map, numliterals, raise,
set_literal, types, urllib, and zip have already been applied. Also
version agnostic imports for urllib, cpickle, socketserver, _thread,
queue, etc., suggested by Aravinda in https://review.gluster.org/#/c/19767/1
Note: these 2to3 fixes report no changes are necessary: asserts, buffer,
exec, execfile, exitfunc, filter, getcwdu, imports2, input, intern,
itertools, metaclass, methodattrs, ne, next, nonzero, operator, paren,
raw_input, reduce, reload, renames, repr, standarderror, sys_exc, throw,
tuple_params, xreadlines.
Change-Id: I60932030813484803f73733a9b2b7b23c7a843fd
updates: #411
Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com>
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The "connecting" state is not used anywhere really.
It's only being set and printed. So remove it.
Change-Id: I11fc8b0bdcda5a812d065543aa447d39957d3b38
fixes: bz#1583583
Signed-off-by: Michael Adam <obnox@samba.org>
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The dht lookup code is getting difficult to maintain
due to its size. Refactoring the code will make it
easier to modify it in future.
Change-Id: Ic7cb5bf4f018504dfaa7f0d48cf42ab0aa34abdd
updates: bz#1590385
Signed-off-by: N Balachandran <nbalacha@redhat.com>
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A synctask is created that would scan the indices from
.shard/.remove_me, to delete the shards associated with the
gfid corresponding to the index bname and the rate of deletion
is controlled by the option features.shard-deletion-rate whose
default value is 100.
The task is launched on two accounts:
1. when shard receives its first-ever lookup on the volume
2. when a rename or unlink deleted an inode
Change-Id: Ia83117230c9dd7d0d9cae05235644f8475e97bc3
updates: bz#1568521
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
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Since IEEE Std 1003.1-2001 does not require any
association of file times with symbolic links,
there is no requirement that file times be
updated by readlink() states [1].
stat on symlink file was generating a readlink
fop on one of the subvolumes of ec set which
in turn updates atime on that subvolume. This
causes mdata xattr to be different across ec
set and hence self heal fails. So based on [1],
atime is no longer updated by readlink fop.
[1] http://pubs.opengroup.org/onlinepubs/009695399/functions/readlink.html
fixes: bz#1592509
Change-Id: I08bd3ca3bdb222bd18160b1aa58fc2f7630c8083
Signed-off-by: Kotresh HR <khiremat@redhat.com>
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The Vagrant box that is used by ./run-tests-in-vagrant.sh does not have
all recent dependencies installed. By using 'dnf builddep' to install
the BuildRequires from the generated .spec file, most future problems
should be prevented.
The tests/basic/afr/split-brain-favorite-child-policy.t script uses the
'bc' command. This it a run-time dependency for the test, and will not
be found with 'dnf builddep'.
Change-Id: Ifdbfc4af2997ea27815126766cc093947ddf523f
BUG: 1526780
Signed-off-by: Niels de Vos <ndevos@redhat.com>
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commit 20fa80057eb430fd72b4fa31b9b65598b8ec1265 introduced a regression
wherein if a file is present in only 1 brick of replica *and* doesn't
have a gfid associated with it, it doesn't get healed upon the next
lookup from the client. Fix it.
Change-Id: I7d1111dcb45b1b8b8340a7d02558f05df70aa599
fixes: bz#1591193
Signed-off-by: Ravishankar N <ravishankar@redhat.com>
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Fixes: bz#1537602
Change-Id: I12314262aaa80f8b7818170112529bf62ab93d3f
Signed-off-by: Kotresh HR <khiremat@redhat.com>
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Change-Id: I11715c23fddc1dd218a3ab88a55f1d6355dcfd43
Updates: bz#1537602
Signed-off-by: Kotresh HR <khiremat@redhat.com>
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Change-Id: Icc521d86cc510f88b67d334b346095713899087a
fixes: bz#1590710
Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
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(part 1)
PROBLEM:
Shards are deleted synchronously when a sharded file is unlinked or
when a sharded file participating as the dst in a rename() is going to
be replaced. The problem with this approach is it makes the operation
really slow, sometimes causing the application to time out, especially
with large files.
SOLUTION:
To make this operation atomic, we introduce a ".remove_me" directory.
Now renames and unlinks will simply involve two steps:
1. creating an empty file under .remove_me named after the gfid of the file
participating in unlink/rename
2. carrying out the actual rename/unlink
A synctask is created (more on that in part 2) to scan this directory
after every unlink/rename operation (or upon a volume mount) and clean
up all shards associated with it. All of this happens in the background.
The task takes care to delete the shards associated with the gfid in
.remove_me only if this gfid doesn't exist in backend, ensuring that the
file was successfully renamed/unlinked and its shards can be discarded now
safely.
Change-Id: Ia1d238b721a3e99f951a73abbe199e4245f51a3a
updates: bz#1568521
Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
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This patch addresses following:
1. On volume stop, for the last brick, pmap_registry_remove () is
invoked by glusterd.
2. If a brick process is sigkilled, remove all the associated brick
instances from the portmap.
3. Bump up PROCESS_UP_TIMEOUT to 45.
4. gf_attach to kill a brick takes more time in mux (which is an
issue that needs a fix), but in the interim, give br-state-check.t
more time to complete (there are 2 kill_bricks, each taking 120
seconds, and the test usually passes in 30 odd seconds, hence bumping
this up to 350 seconds)
5. The test bug-1559004-EMLINK-handling.t is taking ~950 seconds at
times on master without mux, in mux cases, when it fails, it is almost
at the last iteration, hence bumping the timeout for this test case
to reduce regression error rates
Updates: bz#1577672
Change-Id: I1922675e112baca4c125c4c094eaa42a11e34e67
Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
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see https://review.gluster.org/#/c/19788/ and
https://review.gluster.org/#/c/19871/
Selected small fixes from 2to3 utility. Specifically apply, basestring,
funcattrs, idioms, numliterals, set_literal, types, urllib, zip
Note: these 2to3 fixes report no changes are necessary: exec, execfile,
exitfunc, filter, getcwdu, intern, itertools, metaclass, methodattrs, ne,
next, nonzero, operator, paren, raw_input, reduce, reload, renames, repr,
standarderror, sys_exc, throw, tuple_params, xreadlines.
Any 2to3 fixes not in the above two lists have more extensive changes
which will follow in separate patches.
most unicode changes suggested by 2to3 will need to be applied at the
same time as changing the shebangs from python2 to python3. Prashanth
notes that unicode strings in py2 need 'u' prefix; unicode strings in
py3 3.0, 3.1, and 3.2 a 'u' prefix will throw an error, but in py3 3.3+
it is legal (or just ignored). All Linux dists we care about have 3.3
or later so we can leave 'u' prefixes on unicode strings.
Change-Id: I49bba2f328b0ee24b9a8115a7183be979981563e
updates: #411
Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com>
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Lookup on root was sending "/" as the path.
This will break the basename calculation in
loc_copy and hence lookup on root was failing
if the loc_copy was involved in the stack.
With ctime, a first lookup on root initiates
a metadata self heal because of ctime xattr
not being same on all afr subvolumes. This
results in loc_copy and hence the failure
of lookup.
Fix would be to send path with "." for the root.
fixes: bz#1582516
Change-Id: Iafe4b99f249a4f5034ad34c1d30590de0e35aa0d
Signed-off-by: Kotresh HR <khiremat@redhat.com>
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There seems to be races which are not fixed by commit
9704d203f0. Though the test itself is not bad, it is failing very
frequently. So, till the issue is fixed, marking this test as bad.
updates: bz#1543279
Change-Id: I4a5869da1586178914ffb9563414879e6beab183
Signed-off-by: Raghavendra G <rgowdapp@redhat.com>
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If certain builds have readdir-ahead disabled by default, the
test case fails, as it asumes readdir-ahead is enabled by
default. Hence explicitly enabling readdir-ahead.
Change-Id: Ib5bef266707c2c557aeb2cf2ffbf4d0c92025c46
fixes: bz#1582051
Signed-off-by: Poornima G <pgurusid@redhat.com>
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