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* cluster/dht : User xattrs are not healed after brick stop/startMohit Agrawal2017-10-047-19/+352
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Problem: In a distributed volume custom extended attribute value for a directory does not display correct value after stop/start or added newly brick. If any extended(acl) attribute value is set for a directory after stop/added the brick the attribute(user|acl|quota) value is not updated on brick after start the brick. Solution: First store hashed subvol or subvol(has internal xattr) on inode ctx and consider it as a MDS subvol.At the time of update custom xattr (user,quota,acl, selinux) on directory first check the mds from inode ctx, if mds is not present on inode ctx then throw EINVAL error to application otherwise set xattr on MDS subvol with internal xattr value of -1 and then try to update the attribute on other non MDS volumes also.If mds subvol is down in that case throw an error "Transport endpoint is not connected". In dht_dir_lookup_cbk| dht_revalidate_cbk|dht_discover_complete call dht_call_dir_xattr_heal to heal custom extended attribute. In case of gnfs server if hashed subvol has not found based on loc then wind a call on all subvol to update xattr. Fix: 1) Save MDS subvol on inode ctx 2) Check if mds subvol is present on inode ctx 3) If mds subvol is down then call unwind with error ENOTCONN and if it is up then set new xattr "GF_DHT_XATTR_MDS" to -1 and wind a call on other subvol. 4) If setxattr fop is successful on non-mds subvol then increment the value of internal xattr to +1 5) At the time of directory_lookup check the value of new xattr GF_DHT_XATTR_MDS 6) If value is not 0 in dht_lookup_dir_cbk(other cbk) functions then call heal function to heal user xattr 7) syncop_setxattr on hashed_subvol to reset the value of xattr to 0 if heal is successful on all subvol. Test : To reproduce the issue followed below steps 1) Create a distributed volume and create mount point 2) Create some directory from mount point mkdir tmp{1..5} 3) Kill any one brick from the volume 4) Set extended attribute from mount point on directory setfattr -n user.foo -v "abc" ./tmp{1..5} It will throw error " Transport End point is not connected " for those hashed subvol is down 5) Start volume with force option to start brick process 6) Execute getfattr command on mount point for directory 7) Check extended attribute on brick getfattr -n user.foo <volume-location>/tmp{1..5} It shows correct value for directories for those xattr fop were executed successfully. Note: The patch will resolve xattr healing problem only for fuse mount not for nfs mount. BUG: 1371806 Signed-off-by: Mohit Agrawal <moagrawa@redhat.com> Change-Id: I4eb137eace24a8cb796712b742f1d177a65343d5
* cluster/afr: Make choose-local "reconfigurable"Krutika Dhananjay2017-09-301-0/+18
| | | | | | | | | | With this change, enabling choose-local (which means its state makes transition from "off" to "on") will be effective after the first gfid-lookup on "/" since volume-set was executed. Change-Id: Ibab292ba705d993b475cd0303fb3318211fb2500 BUG: 1480525 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
* afr: auto-resolve split-brains for zero-byte filesRavishankar N2017-09-261-1/+1
| | | | | | | | | | | | | | | | | | | | | | | | Problems: As described in BZ 1491670, renaming hardlinks can result in data/mdata split-brain of the DHT link-to files (T files) without any mismatch of data and metadata. As described in BZ 1486063, for a zero-byte file with only dirty bits set, arbiter brick will likely be chosen as the source brick. Fix: For zero byte files in split-brain, pick first brick as a) data source if file size is zero on all bricks. b) metadata source if metadata is the same on all bricks In arbiter case, if file size is zero on all bricks and there are no pending afr xattrs, pick 1st brick as data source. Change-Id: I0270a9a2f97c3b21087e280bb890159b43975e04 BUG: 1491670 Signed-off-by: Ravishankar N <ravishankar@redhat.com> Reported-by: Rahul Hinduja <rhinduja@redhat.com> Reported-by: Mabi <mabi@protonmail.ch>
* mount/fuse: Make event-history feature configurableKrutika Dhananjay2017-09-241-1/+1
| | | | | | | | | | | | | | | | | | | | | | ... and disable it by default. This is because having it disabled seems to improve performance. This could be due to the lock contention by the different epoll threads on the circular buff lock in the fop cbks just before writing their response to /dev/fuse. Just to provide some data - wrt ovirt-gluster hyperconverged environment, I saw an increase in IOPs by 12K with event-history disabled for randrom read workload. Usage: mount -t glusterfs -o event-history=on $HOSTNAME:$VOLNAME $MOUNTPOINT OR glusterfs --event-history=on --volfile-server=$HOSTNAME --volfile-id=$VOLNAME $MOUNTPOINT Change-Id: Ia533788d309c78688a315dc8cd04d30fad9e9485 BUG: 1467614 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
* Tests: disabling the check for volume client-listhari gowtham2017-09-191-1/+2
| | | | | | | | | | | | | | | The client-list command is broken for brick-multiplexed. Disabling it until the fix is in so that the regression test can be resumed for the other test cases. Change-Id: Idcb5a09db0eb46fbe71c215109b5c55924cc1209 BUG: 1492542 Signed-off-by: hari gowtham <hgowtham@redhat.com> Reviewed-on: https://review.gluster.org/18308 Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Atin Mukherjee <amukherj@redhat.com> Tested-by: Atin Mukherjee <amukherj@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
* glusterd: disallow replace brick for dist only volumesAtin Mukherjee2017-09-195-62/+17
| | | | | | | | | | | | | | | | | | Allowing replace-brick on dist only volumes will lead to data loss. This patch blocks replace brick commit force to fail if a volume is dist only. Also removing tests/basic/pump.t as its of no use as per the discussion in http://lists.gluster.org/pipermail/gluster-devel/2017-September/053652.html Change-Id: Iabb0c16f865f3fc361b64a19bfcf0c0fbb5c2682 BUG: 1489432 Signed-off-by: Atin Mukherjee <amukherj@redhat.com> Reviewed-on: https://review.gluster.org/18226 Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: N Balachandran <nbalacha@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
* features/worm: Adding check to newloc when doing renameluneo72017-09-181-0/+9
| | | | | | | | | | | | | | | | | | Problem: Since rename didn't check if newloc exists and it's retention state it was possible to rename a new file that wasn't in retention over a existing file that was in read-only state. Change-Id: I63c6bbabb7bb456ebedf201cc77b878ffda62229 BUG: 1484490 Signed-off-by: luneo7 <luneo7@gmail.com> Reviewed-on: https://review.gluster.org/18104 Tested-by: jiffin tony Thottan <jthottan@redhat.com> Tested-by: Prashanth Pai <ppai@redhat.com> Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Prashanth Pai <ppai@redhat.com> Reviewed-by: Karthik U S <ksubrahm@redhat.com> Reviewed-by: Amar Tumballi <amarts@redhat.com>
* features/shard: Change default shard-block-size to 64MBKrutika Dhananjay2017-09-146-0/+7
| | | | | | | | | | | Change-Id: I55fa87e07136cff10b0d725ee24dd3151016e64e BUG: 1489823 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com> Reviewed-on: https://review.gluster.org/18243 Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com> Smoke: Gluster Build System <jenkins@build.gluster.org> Tested-by: Sunil Kumar Acharya <sheggodu@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
* Command to identify client processhari gowtham2017-09-061-0/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | command: gluster volume status <volname/all> client-list output: Client connections for volume v1 Name count ----- ------ fuse 2 tierd 1 total clients for volume v1 : 3 ----------------------------------------------------------------- Client connections for volume v2 Name count ----- ------ tierd 1 fuse.gsync 1 total clients for volume v2 : 2 ----------------------------------------------------------------- Updates: #178 Change-Id: I0ff2579d6adf57cc0d3bd0161a2ec6ac6c4747c0 Signed-off-by: hari gowtham <hgowtham@redhat.com> Reviewed-on: https://review.gluster.org/18095 Smoke: Gluster Build System <jenkins@build.gluster.org> Tested-by: hari gowtham <hari.gowtham005@gmail.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
* features/shard: Return aggregated size in stbuf of LINK fopKrutika Dhananjay2017-09-061-0/+25
| | | | | | | | | | Change-Id: I42df7679d63fec9b4c03b8dbc66c5625f097fac0 BUG: 1488546 Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com> Reviewed-on: https://review.gluster.org/18209 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
* debug/delay-gen: Implement delay-generation featurePranith Kumar K2017-08-311-0/+39
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Background: I was working on a customer issue where the disks were responding some times after seconds. It was becoming very difficult to recreate the issues in our labs, so had to come up with this feature. Requirements: We need an xlator which can delay x% of ops for y micro seconds. We should be able to enable delays for specific fops. This feature is modeled after error-gen. Most of the logic is borrowed from that xlator. This is a minimum implementation of the feature which satisfied the requirements I had. May be in future with more requirements and understanding of the problem further we can improve upon this implementation. Here are the commands and what they do: Enable delay-gen: (This is similar to how err-gen is enabled on the brick side) - gluster volume set <volname> delay-gen posix Set the percentage of fops that need to be delayed - gluster volume set <volname> delay-gen.delay-percentage 50 Default is 10% Set the delay in micro seconds - gluster volume set <volname> delay-gen.delay-duration 500000 Default is 100000 Set comma separated fops to be delayed - gluster v set r2 delay-gen.enable read,write Default is all fops. Fixes #257 Change-Id: Ib547bd39cc024c9cdb63754d21e3aa62fc9d6473 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: https://review.gluster.org/17591 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Jeff Darcy <jeff@pl.atyp.us>
* feature/posix: Enabled gfid2path by defaultKotresh HR2017-08-296-11/+5
| | | | | | | | | | | | | | | | Enable gfid2path feature by default. The basic performance tests are carried out and it doesn't show significant depreciation. The results are updated in issue. Updates: #139 Change-Id: I5f1949a608d0827018ef9d548d5d69f3bb7744fd Signed-off-by: Kotresh HR <khiremat@redhat.com> Reviewed-on: https://review.gluster.org/17950 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Aravinda VK <avishwan@redhat.com> Reviewed-by: Amar Tumballi <amarts@redhat.com>
* glusterd: glusterd fails to start if peers file has blank lineGaurav Yadav2017-08-241-0/+29
| | | | | | | | | | | | | | | | | | | | | | | Problem: On start of glusterd service, glusterd fetch data from store, while parsing data from store if peers file consists of blank line glusterd fails to start. Fix: With this fix while parsing peers file glusterd will skip blank lines if it contains any. Signed-off-by: Gaurav Yadav <gyadav@redhat.com> Change-Id: I53cd65a54de5f57baef292b2118b70ffb7f99388 BUG: 1482906 Reviewed-on: https://review.gluster.org/18066 Tested-by: Gaurav Yadav <gyadav@redhat.com> Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Prashanth Pai <ppai@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Atin Mukherjee <amukherj@redhat.com> Reviewed-by: Niels de Vos <ndevos@redhat.com>
* glusterd: do not create .glusterfs/indicesPrashanth Pai2017-08-234-8/+4
| | | | | | | | | | | | | | | | | | | | | glusterd shouldn't concern itself with creating directories specific to certain xlators. The index xlator will now proceed creating './glusterfs/indices' dir only if the parent '.glusterfs' directory exists, which still fixes the original problem reported i.e 'volume start force' command shouldn't create brick path if it doesn't exist (BUG 1457202) This reverts most of the changes done by the commit b58a15948fb3fc37b6c0b70171482f50ed957f42 Change-Id: I7fc52ad64dce220e336c218fb4d85933ca2e61c0 Signed-off-by: Prashanth Pai <ppai@redhat.com> Reviewed-on: https://review.gluster.org/18003 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Jeff Darcy <jeff@pl.atyp.us> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
* glusterd: replace-brick executing successfully when quorum does not metGaurav Yadav2017-08-221-0/+51
| | | | | | | | | | | | | | | | | | Problem: replace-brick command on a setup where quorum does not met executing successfully. Fix: With the fix glusterd is validating whether server is in quorum or not during replace-brick staging Change-Id: I8017154bb62bdcc6c6490e720ecfe9cde090c161 BUG: 1483058 Signed-off-by: Gaurav Yadav <gyadav@redhat.com> Reviewed-on: https://review.gluster.org/18068 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
* cluster/dht: Reorder dir operations in gf_defrag_fix_layoutN Balachandran2017-08-201-3/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | Earlier, rebalance performed a fix-layout on a directory before healing its subdirectories. If there were a lot of subdirs, it could take a while before all subdirs were created on the newly added bricks. As dht_readdirp only lists dirs from their hashed subvol, those dirs which hashed to the newly added bricks but were not yet created on them were not listed. Now, the child dirs are listed and processed before the layout of the parent is fixed. This introduces a change in behaviour where files in subdirs are migrated before those in parent directories. Credit: Shyam <srangana@redhat.com> Github issue: #239 Change-Id: I8ae7f24a510754cd8d1b31e5d608bcf1928599e2 BUG: 1248393 Signed-off-by: N Balachandran <nbalacha@redhat.com> Reviewed-on: https://review.gluster.org/18045 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Raghavendra G <rgowdapp@redhat.com>
* glusterd: disallow volume specific options to be set with all as volume nameAtin Mukherjee2017-08-181-0/+25
| | | | | | | | | | | | | | | | All the .validate_fn defined in volume map entry table refers to volinfo object. And if we end up in trying to set a volume level option cluster wide glusterd results into a crash. Change-Id: I7c877aee0ff5c8c1d8c95662fdc8c8923355ae7b BUG: 1482344 Signed-off-by: Atin Mukherjee <amukherj@redhat.com> Reviewed-on: https://review.gluster.org/18052 Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Prashanth Pai <ppai@redhat.com> Reviewed-by: mohammed rafi kc <rkavunga@redhat.com> Reviewed-by: Gaurav Yadav <gyadav@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
* glusterd: Gluster should keep PID file in correct locationGaurav Kumar Garg2017-08-1111-18/+23
| | | | | | | | | | | | | | | | | | | | | | | Currently Gluster keeps process pid information of all the daemons and brick processes in Gluster configuration file directory (ie., /var/lib/glusterd/*). These pid files should be seperate from configuration files. Deletion of the configuration file directory might result into serious problems. Also, /var/run/gluster is the default placeholder directory for pid files. So, with this fix Gluster will keep all process pid information of all processes in /var/run/gluster/* directory. Change-Id: Idb09e3fccb6a7355fbac1df31082637c8d7ab5b4 BUG: 1258561 Signed-off-by: Gaurav Kumar Garg <ggarg@redhat.com> Signed-off-by: Saravanakumar Arumugam <sarumuga@redhat.com> Reviewed-on: https://review.gluster.org/13580 Tested-by: MOHIT AGRAWAL <moagrawa@redhat.com> Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
* posix: add sanity checks for removing the gfid symlink for directoriesRavishankar N2017-08-041-0/+47
| | | | | | | | | | | | | | | ...during mkdir and rmdir. Otherwise, during entry self-heal, the directory could be left out without a .glusterfs symlink causing fops like opendir, readdir to fail. The only chance the missing symlink will be created is when a fresh lookup comes on it. Change-Id: I2e1cf1bce8962ea80187edd8f6d73e0a09cf9f8e BUG: 1477169 Signed-off-by: Ravishankar N <ravishankar@redhat.com> Reviewed-on: https://review.gluster.org/17945 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Raghavendra Bhat <raghavendra@redhat.com>
* glusterfsd: allow subdir mountAmar Tumballi2017-08-042-1/+107
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Changes: 1. Take subdir mount option in client (mount.gluster / glusterfsd) 2. Pass the subdir mount to server-handshake (from client-handshake) 3. Handle subdir-mount dir's lookup in server-first-lookup and handle all fops resolution accordingly with proper gfid of subdir 4. Change the auth/addr module to handle the multiple subdir entries in option, and valid parsing. How to use the feature: `# mount -t glusterfs $hostname:/$volname/$subdir /$mount_point` Or `# mount -t glusterfs $hostname:/$volname -osubdir_mount=$subdir /$mount_point` Option can be set like: `# gluster volume set <volname> auth.allow "/subdir1(192.168.1.*),/(192.168.10.*),/subdir2(192.168.8.*)"` Updates #175 Change-Id: I7ea57f76ddbe6c3862cfe02e13f89e8a39719e11 Signed-off-by: Amar Tumballi <amarts@redhat.com> Reviewed-on: https://review.gluster.org/17141 Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Shyamsundar Ranganathan <srangana@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
* tests: don't use hard coded value for glusterd workdirCsaba Henk2017-08-023-3/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | A number of test referred to /var/lib/glusterd, they were adjusted to use "$GLUSTERD_WORKDIR". (This has significance for proper test runs on non-Linux platforms -- see the following #define in glusterfs.h: #ifdef GF_LINUX_HOST_OS #define GLUSTERD_DEFAULT_WORKDIR DATADIR "/lib/glusterd" #else #define GLUSTERD_DEFAULT_WORKDIR DATADIR "/db/glusterd" #endif Ie. the glusterd workdir will typically be /var/db/glusterd instead of /var/lib/glusterd on non-Linux platforms.) BUG: 1476957 Change-Id: I69ce3e1bb7a0c14ea85b60adbf8205f9aca46cd5 Signed-off-by: Csaba Henk <csaba@redhat.com> Reviewed-on: https://review.gluster.org/17937 Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Amar Tumballi <amarts@redhat.com> Tested-by: Amar Tumballi <amarts@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Jeff Darcy <jeff@pl.atyp.us>
* tests: Minor fix in error conditionRajesh Joseph2017-08-021-0/+1
| | | | | | | | | | Change-Id: I2dcc8d88234d2ce92dd8506c61cb84ab253decab Signed-off-by: Rajesh Joseph <rjoseph@redhat.com> Reviewed-on: https://review.gluster.org/16191 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: Zhou Zhengping <johnzzpcrystal@gmail.com>
* tests/gfapi : add test case for nameless lookups in glfs_resolve_component()Jiffin Tony Thottan2017-08-022-0/+169
| | | | | | | | | | | | | Plus address pending comment to add check for entry "" in glfs_resolve_component() Change-Id: I6063f776ce1cd76cb4c1b1f621b064f3dcc91e5c BUG: 1460514 Signed-off-by: Jiffin Tony Thottan <jthottan@redhat.com> Reviewed-on: https://review.gluster.org/17844 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Niels de Vos <ndevos@redhat.com> Reviewed-by: soumya k <skoduri@redhat.com>
* md-cache: avoid checking the xattr value buffer with string functions.Günther Deschner2017-08-011-0/+27
| | | | | | | | | | | | | | | | | | | | | | | xattrs may very well contain binary, non-text data with leading 0 values. Using strcmp for checking empty values is not the appropriate thing to do: In the best case, it might treat a binary xattr value starting with 0 from being cached (and hence also from being reported back with xattr). In the worst case, we might read beyond the end of a data blob that does contain any zero byte. We fix this by checking the length of the data blob and checking the first byte against 0 if the length is one. Signed-off-by: Guenther Deschner <gd@samba.org> Pair-Programmed-With: Michael Adam <obnox@samba.org> Change-Id: If723c465a630b8a37b6be58782a2724df7ac6b11 BUG: 1476324 Reviewed-on: https://review.gluster.org/17910 Reviewed-by: Michael Adam <obnox@samba.org> Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Poornima G <pgurusid@redhat.com> Tested-by: Poornima G <pgurusid@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
* tools/setgfid2path: Tool to set GFID to Path xattr in brick backendAravinda VK2017-07-281-3/+20
| | | | | | | | | | | | | | | | | | | | Once storage/gfid2path feature is enabled using `gluster volume set <volname> storage.gfid2path enable`, it starts recording the gfid2path xattr on each files. But this feature will not add xattr to the existing files. This tool accepts the file path as argument and sets the necessary xattr required for this feature. Change-Id: I75ad82c86ce482950645e687ff2e33b413fa53da Updates: #139 Signed-off-by: Aravinda VK <avishwan@redhat.com> Reviewed-on: https://review.gluster.org/17839 Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Niels de Vos <ndevos@redhat.com> Reviewed-by: Kotresh HR <khiremat@redhat.com> Tested-by: Kotresh HR <khiremat@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
* storage/posix: Add virtual xattr to fetch path from gfidKotresh HR2017-07-282-0/+80
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | The gfid2path infra stores the "pargfid/bname" as on xattr value for each non directory entry. Hardlinks would have a separate xattr. This xattr key is internal and is not exposed to applications. A virtual xattr is exposed for the applications to fetch the path from gfid. Internal xattr: trusted.gfid2path.<xxhash> Virtual xattr: glusterfs.gfidtopath getfattr -h -n glusterfs.gfidtopath /<aux-mnt>/.gfid/<gfid> If there are hardlinks, it returns all the paths separated by ':'. A volume set option is introduced to change the delimiter to required string of max length 7. gluster vol set gfid2path-separator ":::" Updates: #139 Change-Id: Ie3b0c3fd8bd5333c4a27410011e608333918c02a Signed-off-by: Kotresh HR <khiremat@redhat.com> Reviewed-on: https://review.gluster.org/17785 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
* glusterd: make peerfile parsing more robustJeff Darcy2017-07-271-0/+52
| | | | | | | | | | | | | | Differential Revision: https://phabricator.intern.facebook.com/D5498639 Change-Id: I3184ed8f3dadbdcffd46f4ade855fa93131efa82 BUG: 1462969 Signed-off-by: Jeff Darcy <jdarcy@fb.com> Reviewed-on: https://review.gluster.org/17885 Smoke: Gluster Build System <jenkins@build.gluster.org> Tested-by: Jeff Darcy <jeff@pl.atyp.us> Reviewed-by: Prashanth Pai <ppai@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
* glusterd: Add option to get all volume options through get-state CLISamikshan Bairagya2017-07-251-0/+18
| | | | | | | | | | | | | | | | | | | | This commit makes the get-state CLI capable to returning the values for all volume options for all volumes. This is similar to what you get when you issue a `gluster volume get <volname> all` command. This is the new usage for the get-state CLI: # gluster get-state [<daemon>] [[odir </path/to/output/dir/>] \ [file <filename>]] [detail|volumeoptions] Fixes: #277 Change-Id: Ice52d936a5a389c6fa0ba5ab32416a65cdfde46d Signed-off-by: Samikshan Bairagya <samikshan@gmail.com> Reviewed-on: https://review.gluster.org/17858 CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Atin Mukherjee <amukherj@redhat.com> Reviewed-by: Gaurav Yadav <gyadav@redhat.com> Smoke: Gluster Build System <jenkins@build.gluster.org>
* posix: option to handle the shared bricks for statvfs()Amar Tumballi2017-07-241-0/+53
| | | | | | | | | | | | | | | | | | | | Currently 'storage/posix' xlator has an option called option `export-statfs-size no`, which exports zero as values for few fields in `struct statvfs`. In a case of backend brick shared between multiple brick processes, the values of these variables should be `field_value / number-of-bricks-at-node`. This way, even the issue of 'min-free-disk' etc at different layers would also be handled properly when the statfs() sys call is made. Fixes #241 Change-Id: I2e320e1fdcc819ab9173277ef3498201432c275f Signed-off-by: Amar Tumballi <amarts@redhat.com> Reviewed-on: https://review.gluster.org/17618 CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Jeff Darcy <jeff@pl.atyp.us> Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
* posix/gfid2path: Block access to gfid2path xattr via mountKotresh HR2017-07-242-0/+60
| | | | | | | | | | | | | | | | gfid2path xattr is an internal xattr and should not be allowed to modify by other applications via gluster mount. This patch blocks the same. Updates: #139 Change-Id: Id2cb29797ee1bd77e0e0d2203a47469fd7203355 Signed-off-by: Kotresh HR <khiremat@redhat.com> Reviewed-on: https://review.gluster.org/17744 Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Prashanth Pai <ppai@redhat.com> Reviewed-by: Raghavendra Bhat <raghavendra@redhat.com> Reviewed-by: Aravinda VK <avishwan@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
* tests: replace brick failure shouldn't corrupt volfilesRaghavendra Talur2017-07-241-0/+31
| | | | | | | | | | | | | | This is a test to present the known issue. It will be skipped as it has the known issue marker. Change-Id: Id6fa5d323abe0bc76a58cd92cb8e52fcde41b49b BUG: 1473026 Signed-off-by: Raghavendra Talur <rtalur@redhat.com> Reviewed-on: https://review.gluster.org/17828 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Ravishankar N <ravishankar@redhat.com> Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
* glusterd: Set default value for cluster.max-bricks-per-process to 0Samikshan Bairagya2017-07-191-0/+1
| | | | | | | | | | | | | | | | | | | When brick-multiplexing is enabled, and "cluster.max-bricks-per-process" isn't explicitly set, multiplexing happens without any limit set. But the default value set for that tunable is 1, which is confusing. This commit sets the default value to 0, and prevents the user from being able to set this value to 1 when brick-multiplexing is enbaled. The default value of 0 denotes that brick-multiplexing can happen without any limit on the number of bricks per process. Change-Id: I4647f7bf5837d520075dc5c19a6e75bc1bba258b BUG: 1472417 Signed-off-by: Samikshan Bairagya <samikshan@gmail.com> Reviewed-on: https://review.gluster.org/17819 Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Atin Mukherjee <amukherj@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
* cluster/afr: GFID split-brain resolution with existing CLIkarthik-us2017-07-182-3/+168
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* cluster/ec: Test script failing with brick multiplexing enabledSunil Kumar Acharya2017-07-181-6/+2
| | | | | | | | | | | | | | | | | | Problem: Killing the bricks(using kill signal) in test scripts will result in test failures with brick multiplexing enabled. Solution: Updated the script to use kill_brick function to bring down the bricks. BUG: 1472094 Change-Id: Ibbf1fdc1be660ad3cd93e95af2838c0aae0181af Signed-off-by: Sunil Kumar Acharya <sheggodu@redhat.com> Reviewed-on: https://review.gluster.org/17809 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
* tests: disable IPC test-caseNiels de Vos2017-07-181-0/+3
| | | | | | | | | | | | | | | | | | | | | The IPC test-case is not correct, and can cause segfaults or hangs. The ipctest.py script calls glfs_ipc() with the `glfs_t` structure, but should do so with a `glfs_fd_t`. In addition, the test-case is written in a way that we do not suggest to use libgfapi. Python scripts are encouraged to use the bindings from the libgfapi-python project. It would be better to rewrite the test in C so that there is type-checking while compiling and no additional issues with portability (see `LD_PRELOAD` note in the `.t` file). Change-Id: Icb52b5b1585fbee98f2c694547c31df0aa2ba70b Updates: #269 Signed-off-by: Niels de Vos <ndevos@redhat.com> Reviewed-on: https://review.gluster.org/17786 CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Jeff Darcy <jeff@pl.atyp.us> Reviewed-by: Raghavendra Talur <rtalur@redhat.com>
* storage/posix: Don't allow gfid/volume-id xattr to be removedPranith Kumar K2017-07-183-0/+145
| | | | | | | | | | | | | | | | | | | | | | | Problem: Bulk xattr removal doesn't check if the xattrs that are coming in xdata have gfid/volume-id xattrs, so there is potential for bulkremovexattr removing gfid/volume-id. I also observed that bulkremovexattr is not available for fremovexattr. Fix: Do proper checks in bulk removexattr to remove gfid/volume-id. Refactor [f]removexattr to reduce the differences. BUG: 1470489 Change-Id: Ia845b31846a149500111c0996646e648f72cdce6 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: https://review.gluster.org/17765 Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Jeff Darcy <jeff@pl.atyp.us> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Anuradha Talur <atalur@redhat.com> Reviewed-by: Niels de Vos <ndevos@redhat.com> Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
* cluster/ec: Non-disruptive upgrade on EC volume failsSunil Kumar Acharya2017-07-144-1/+99
| | | | | | | | | | | | | | | | | | | | Problem: Enabling optimistic changelog on EC volume was not handling node down scenarios appropriately resulting in volume data inaccessibility. Solution: Update dirty xattr appropriately on good bricks whenever nodes are down. This would fix the metadata information as part of heal and thus ensures data accessibility. BUG: 1468261 Change-Id: I08b0d28df386d9b2b49c3de84b4aac1c729ac057 Signed-off-by: Sunil Kumar Acharya <sheggodu@redhat.com> Reviewed-on: https://review.gluster.org/17703 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
* afr: mark non sources as sinks in metadata healRavishankar N2017-07-131-0/+64
| | | | | | | | | | | | | | | | | | Problem: In a 3 way replica, when the source brick does not have pending xattrs for the sinks, but the 2 sinks blame each other, metadata heal was not happpening because we were not setting all non-sources as sinks. Fix: Mark all non-sources as sinks, like it is done in data and entry heal. Change-Id: I534978940f5087302e307fcc810a48ffe898ce08 BUG: 1468279 Signed-off-by: Ravishankar N <ravishankar@redhat.com> Reviewed-on: https://review.gluster.org/17717 Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
* storage/posix: New gfid2path infraKotresh HR2017-07-103-1/+300
| | | | | | | | | | | | | | | | | | | | | | | | | With this infra, a new xattr is stored on each entry creation as below. trusted.gfid2path.<xxhash> = <pargfid>/<basename> If there are hardlinks, multiple xattrs would be present. Fops which are impacted: create, mknod, link, symlink, rename, unlink Option to enable: gluster vol set <VOLNAME> storage.gfid2path on Updates: #139 Change-Id: I369974cd16703c45ee87f82e6c2ff5a987a6cc6a Signed-off-by: Kotresh HR <khiremat@redhat.com> Reviewed-on: https://review.gluster.org/17488 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> Reviewed-by: Amar Tumballi <amarts@redhat.com>
* tests: fix stats-dump.t failureRavishankar N2017-07-101-13/+6
| | | | | | | | | | | | | | | | | | | | Since https://review.gluster.org/#/c/17452, the statistics are appended to the same file instead of overwritten over the previous stats. This was causing the .t to fail since it checks for only the presence of a non zero aggr.fop.write.count assuming the latest statistics will overwrite the previous ones. Fix it by checking for that the latest value of aggr.fop.write.count is non zero. Change-Id: I858011f343966a5d1c19d66dcc64b8cd26315df7 BUG: 1468432 Signed-off-by: Ravishankar N <ravishankar@redhat.com> Reviewed-on: https://review.gluster.org/17721 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Amar Tumballi <amarts@redhat.com> Reviewed-by: Raghavendra Talur <rtalur@redhat.com>
* glusterd: Introduce option to limit no. of muxed bricks per processSamikshan Bairagya2017-07-102-0/+59
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | This commit introduces a new global option that can be set to limit the number of multiplexed bricks in one process. Usage: `# gluster volume set all cluster.max-bricks-per-process <value>` If this option is not set then multiplexing will happen for now with no limitations set; i.e. a brick process will have as many bricks multiplexed to it as possible. In other words the current multiplexing behaviour won't change if this option isn't set to any value. This commit also introduces a brick process instance that contains information about brick processes, like the number of bricks handled by the process (which is 1 in non-multiplexing cases), list of bricks, and port number which also serves as an unique identifier for each brick process instance. The brick process list is maintained in 'glusterd_conf_t'. Updates: #151 Change-Id: Ib987d14ab0a4f6034dac01b73a4b2839f7b0b695 Signed-off-by: Samikshan Bairagya <samikshan@gmail.com> Reviewed-on: https://review.gluster.org/17469 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Atin Mukherjee <amukherj@redhat.com>
* tests: Disable basic/stats-dump.tNigel Babu2017-07-071-0/+2
| | | | | | | | | | | | Disabling this test right now so that master is green again. This patch https://review.gluster.org/#/c/17721/ will actually fix the test. This patch will make master green again unblocking other patches to land onto master. Change-Id: I77d177ce92eb6edcf5326b27a0f7fdbefdec007b Signed-off-by: Nigel Babu <nigelb@redhat.com> BUG: 1468432 Reviewed-on: https://review.gluster.org/17723
* cluster/ec: correctly handle end of file for seekXavier Hernandez2017-07-062-0/+242
| | | | | | | | | | | | | | | | | When a SEEK_HOLE was issued near to the end of file, sometimes an offset beyond the end of file was returned. Another problem was that using some offsets greater than the end of file returned successfully instead of failing with ENXIO. Change-Id: I238d2884ba02fd19a78116b0f8f8e8d6338fb3f5 BUG: 1449348 Signed-off-by: Xavier Hernandez <xhernandez@datalab.es> Reviewed-on: https://review.gluster.org/17228 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: Pranith Kumar Karampuri <pkarampu@redhat.com>
* tests: disable crypt.tJeff Darcy2017-06-301-0/+3
| | | | | | | | | | | | | This has been nuking just about everything. Kill it with fire. Change-Id: I5e6e2e4d1568f118298fcf109077db001f87040d Signed-off-by: Jeff Darcy <jdarcy@fb.com> Reviewed-on: https://review.gluster.org/17652 Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Amar Tumballi <amarts@redhat.com> Tested-by: Amar Tumballi <amarts@redhat.com> Reviewed-by: Atin Mukherjee <amukherj@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
* features/shard: Remove ctx from LRU in shard_forgetPranith Kumar K2017-06-301-0/+48
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Problem: There is a race when the following two commands are executed on the mount in parallel from two different terminals on a sharded volume, which leads to use-after-free. Terminal-1: while true; do dd if=/dev/zero of=file1 bs=1M count=4; done Terminal-2: while true; do cat file1 > /dev/null; done In the normal case this is the life-cycle of a shard-inode 1) Shard is added to LRU when it is first looked-up 2) For every operation on the shard it is moved up in LRU 3) When "unlink of the shard"/"LRU limit is hit" happens it is removed from LRU But we are seeing a race where the inode stays in Shard LRU even after it is forgotten which leads to Use-after-free and then some memory-corruptions. These are the steps: 1) Shard is added to LRU when it is first looked-up 2) For every operation on the shard it is moved up in LRU Reader-handler Truncate-handler 1) Reader handler needs shard-x to be read. 1) Truncate has just deleted shard-x 2) In shard_common_resolve_shards(), it does inode_resolve() and that leads to a hit in LRU, so it is going to call __shard_update_shards_inode_list() to move the inode to top of LRU 2) shard-x gets unlinked from the itable and inode_forget(inode, 0) is called to make sure the inode can be purged upon last unref 3) when __shard_update_shards_inode_list() is called it finds that the inode is not in LRU so it adds it back to the LRU-list Both these operations complete and call inode_unref(shard-x) which leads to the inode getting freed and forgotten, even when it is in Shard LRU list. When more inodes are added to LRU, use-after-free will happen and it leads to undefined behaviors. Fix: I see that the inode can be removed from LRU even by the protocol layers like gfapi/gNFS when LRU limit is reached. So it is better to add a check in shard_forget() to remove itself from LRU list if it exists. BUG: 1466037 Change-Id: Ia79c0c5c9d5febc56c41ddb12b5daf03e5281638 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: https://review.gluster.org/17644 Smoke: Gluster Build System <jenkins@build.gluster.org> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Krutika Dhananjay <kdhananj@redhat.com>
* glusterd: mark brickinfo to started on successful attachAtin Mukherjee2017-06-281-0/+6
| | | | | | | | | | | | | | brickinfo's port & status should be filled up only when attach brick is successful. Change-Id: I68b181be37cb94d176f0f4692e8d9dac5493181c BUG: 1465559 Signed-off-by: Atin Mukherjee <amukherj@redhat.com> Reviewed-on: https://review.gluster.org/17640 Reviewed-by: Jeff Darcy <jeff@pl.atyp.us> Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Samikshan Bairagya <samikshan@gmail.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
* gfapi: Enhance testscript for glfs_xreaddirplusSoumya Koduri2017-06-222-29/+165
| | | | | | | | | | | | | | | | Enhance the script testing glfs_xreaddirplus functionality and also measure the performance difference when compared to using the older method. Change-Id: I590d07c850994afab0a02eb5dccb8342224aa6b7 BUG: 1442950 Signed-off-by: Soumya Koduri <skoduri@redhat.com> Reviewed-on: https://review.gluster.org/17329 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: Niels de Vos <ndevos@redhat.com>
* cluster/afr: Implement quorum for lk fopPranith Kumar K2017-06-191-0/+255
| | | | | | | | | | | | | | | | | | | Problem: At the moment when we have replica 3 or arbiter setup, even when lk succeeds on just one brick we give success to application which is wrong Fix: Consider quorum-number of successes as success when quorum is enabled. BUG: 1461792 Change-Id: I5789e6eb5defb68f8a0eb9cd594d316f5cdebaea Signed-off-by: Pranith Kumar K <pkarampu@redhat.com> Reviewed-on: https://review.gluster.org/17524 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: Ravishankar N <ravishankar@redhat.com>
* index: Do not proceed with init if brick is not mountedRavishankar N2017-06-194-0/+21
| | | | | | | | | | | | | | | | | | | | | ..or else when a volume start force is given, we end up creating /brick-path/.glusterfs/indices folder and various subdirs under it and eventually starting the brick process. As a part of this patch, glusterd_get_index_basepath() is added in glusterd, who will then use it to create the basepath during volume-create, add-brick, replace-brick and reset-brick. It also uses this function to set the 'index-base' xlator option for the index translator. Change-Id: Id018cf3cb6f1e2e35b5c4cf438d1e939025cb0fc BUG: 1457202 Signed-off-by: Ravishankar N <ravishankar@redhat.com> Reviewed-on: https://review.gluster.org/17426 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: Atin Mukherjee <amukherj@redhat.com> Reviewed-by: Pranith Kumar Karampuri <pkarampu@redhat.com>
* nl-cache: Fix a possible crash and stale cachePoornima G2017-06-131-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Issue1: Consider the followinf sequence of operations: ... nlc_ctx = nlc_ctx_get (inode i1) ....... -> nlc_clear_cache (i1) gets called as a part of nlc_invalidate or any other callers ... GF_FREE (ii nlc_ctx) LOCK (nlc_ctx->lock); -> This will result in crash as the ctx got freed in nlc_clear_cache. Issue2: lookup on dir1/file1 result in ENOENT add cache to dir1 at time T1 .... CHILD_DOWN at T2 lookup on dir1/file2 result in ENOENT add cache to dir1, but the cache time is still T1 lookup on dir1/file2 - should have been served from cache but the cache time is T1 < T2, hence cache is considered as invalid. So, after CHILD_DOWN the right thing would be to clear the cache and restart caching on that inode. Solution: Do not free nlc_ctx in nlc_clear_cache, but only in inode_forget() The fix for both issue1 and 2 is interleaved hence sending it as single patch. Change-Id: I83d8ed36c049a93567c6d7e63d045dc14ccbb397 BUG: 1458539 Signed-off-by: Poornima G <pgurusid@redhat.com> Reviewed-on: https://review.gluster.org/17453 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>
generated by cgit (git 2.34.1) at 2024-11-20 02:21:43 +0000