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* protocol/server: don't assume there would be a volfile idAmar Tumballi2018-05-081-1/+12
| | | | | | | | | | | | | | | | | | | | | Earlier glusterfs never had an assumption someone would start it with right arguments, and brick processes would be spawned by a management layer. It just assume the role based on the volfile. Other than volfile, no other arguments should be technically mandatory for working of glusterfs. With this patch, that assumption holds true. Updates: github issue # 352 A note on why this particular issue for this basic sanity? As per the design of thin-arbiter/tie-breaker, it can be started independently on any machine, without need of glusterd. So, similar to 'glusterd', we should be able to spawn a process with any translator without options/volume id etc. fixes: bz#1569399 Change-Id: I5c0650fe0bfde35ad94ccba60e63f6cdcd1ae5ff Signed-off-by: Amar Tumballi <amarts@redhat.com>
* glusterd: handling brick termination in brick-muxSanju Rakonde2018-05-071-12/+12
| | | | | | | | | | | | | | | | | Problem: There's a race between the glusterfs_handle_terminate() response sent to glusterd from last brick of the process and the socket disconnect event that encounters after the brick process got killed. Solution: When it is a last brick for the brick process, instead of sending GLUSTERD_BRICK_TERMINATE to brick process, glusterd will kill the process (same as we do it in case of non brick multiplecing). The test case is added for https://bugzilla.redhat.com/show_bug.cgi?id=1549996 Change-Id: If94958cd7649ea48d09d6af7803a0f9437a85503 fixes: bz#1545048 Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
* fuse: add support for kernel writeback cacheCsaba Henk2018-05-042-0/+72
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Added kernel-writeback-cache command line and xlator option for requesting utilisation of the writeback cache of the kernel in FUSE_INIT (see [1]). - Added attr-times-granularity command line and xlator option via which granularity of the {a,m,c}time in stat (attr) data that we support can be indicated to kernel. This is a means to avoid divergence of the attr times between kernel and userspace that could occur with writeback-cache, while still maintaining maximum time precision the FUSE server is capable of (see [2]). - Handling FATTR_CTIME flag in FUSE_SETATTR that indicates presence of ctime in setattr payload. Currently we cannot associate arbitrary ctimes to files on backend, so we just touch them to update their ctimes to current time. Having ctimes in setattr payload is also a side effect of writeback cache (see [3] and [4]). [1]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=4d99ff8, "fuse: Turn writeback cache on" [2]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=e27c9d3, "fuse: fuse: add time_gran to INIT_OUT" [3]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=1e18bda, "fuse: add .write_inode" [4]: https://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git/commit/?id=ab9e13f, "fuse: allow ctime flushing to userspace" Updates: #435 Change-Id: Id174c8e0c815c4456c35f8c53e41a6a507d91855 Signed-off-by: Csaba Henk <csaba@redhat.com>
* glusterfsd: initiate pmap_signout for all detach brick requestsAtin Mukherjee2018-05-041-0/+1
| | | | | | | | | In glusterfs_handle_terminate all bricks getting detached need to initiate a pmap_signout. Change-Id: Iacbd6fcd49215fe6a5210df7dfed1260fde9179a Fixes: bz#1570011 Signed-off-by: Atin Mukherjee <amukherj@redhat.com>
* server: fix unresolved symbols by moving them to libglusterfsMohit Agrawal2018-04-201-103/+0
| | | | | | | | | | | | | | | | Problem: glusterd2 build is failed due to undefined symbol (xlator_mem_cleanup , glusterfsd_ctx) in server.so Solution: To resolve the same done below two changes 1) Move xlator_mem_cleanup code from glusterfsd-mgmt.c to xlator.c to be part of libglusterfs.so 2) replace glusterfsd_ctx to this->ctx because symbol glusterfsd_ctx is not part of server.so BUG: 1544090 Change-Id: Ie5e6fba9ed458931d08eb0948d450aa962424ae5 fixes: bz#1544090 Signed-off-by: Mohit Agrawal <moagrawa@redhat.com>
* Make glusterfsd binary print statedump & xlator dirPrashanth Pai2018-04-192-0/+46
| | | | | | | | | | | | | | | | | | | | | | | The glusterd2 needs following options, some of which are provided by gluster CLI today: --print-xlatordir --print-statedumpdir --print-logdir However, the CLI package need not be present on the machine running glusterd2. This change adds the above CLI options to glusterfsd binary which glusterd2 depends on. Reverts 9a1ae47c8d60836ae0628a04a153f28c1085c0e8 Related changes: https://review.gluster.org/#/c/19882/ https://github.com/gluster/glusterd2/pull/663 Updates: bz#1193929 Change-Id: I18c123b0d3350d2bd4f2400783e3b94e402a4e29 Signed-off-by: Prashanth Pai <ppai@redhat.com>
* gluster: Sometimes Brick process is crashed at the time of stopping brickMohit Agrawal2018-04-191-21/+75
| | | | | | | | | | | | | | | | | | | | | | | | Problem: Sometimes brick process is getting crashed at the time of stop brick while brick mux is enabled. Solution: Brick process was getting crashed because of rpc connection was not cleaning properly while brick mux is enabled.In this patch after sending GF_EVENT_CLEANUP notification to xlator(server) waits for all rpc client connection destroy for specific xlator.Once rpc connections are destroyed in server_rpc_notify for all associated client for that brick then call xlator_mem_cleanup for for brick xlator as well as all child xlators.To avoid races at the time of cleanup introduce two new flags at each xlator cleanup_starting, call_cleanup. BUG: 1544090 Signed-off-by: Mohit Agrawal <moagrawa@redhat.com> Note: Run all test-cases in separate build (https://review.gluster.org/#/c/19700/) with same patch after enable brick mux forcefully, all test cases are passed. Change-Id: Ic4ab9c128df282d146cf1135640281fcb31997bf updates: bz#1544090
* glusterd: volume inode/fd status broken with brick muxhari gowtham2018-04-191-19/+15
| | | | | | | | | | | | | | | | | | | | | | | Problem: The values for inode/fd was populated from the ctx received from the server xlator. Without brickmux, every brick from a volume belonged to a single brick from the volume. So searching the server and populating it worked. With brickmux, a number of bricks can be confined to a single process. These bricks can be from different volumes too (if we use the max-bricks-per-process option). If they are from different volumes, using the server xlator to populate causes problem. Fix: Use the brick to validate and populate the inode/fd status. Signed-off-by: hari gowtham <hgowtham@redhat.com> Change-Id: I2543fa5397ea095f8338b518460037bba3dfdbfd fixes: bz#1566067
* cluster/afr: Make sure latency-arg is passed to afrPranith Kumar K2018-04-181-1/+1
| | | | | | | | | | | xlator_notify doesn't pass the extra arguments that come in the input function, so XLATOR_NOTIFY macro should be used instead to pass the extra arguments to the function. BUG: 1567881 fixes bz#1567881 Change-Id: Ic15b6c446638cbacf3149693147a754219037c47 Signed-off-by: Pranith Kumar K <pkarampu@redhat.com>
* mount/fuse: Add support for multi-threaded fuse readersKrutika Dhananjay2018-04-022-0/+27
| | | | | | | | | | | | | | Usage: Use 'reader-thread-count=<NUM>' as command line option to set the thread count at the time of mounting the volume. Next task is to make these threads auto-scale based on the load, instead of having the user remount the volume everytime to change the thread count. Updates #412 Change-Id: I94aa1505e5ae6a133683d473e0e4e0edd139b76b Signed-off-by: Krutika Dhananjay <kdhananj@redhat.com>
* Revert "glusterd: handling brick termination in brick-mux"Sanju Rakonde2018-03-292-60/+14
| | | | | | | | | | | | | This reverts commit a60fc2ddc03134fb23c5ed5c0bcb195e1649416b. This commit was causing multiple tests to time out when brick multiplexing is enabled. With further debugging, it's found that even though the volume stop transaction is converted into mgmt_v3 to allow the remote nodes to follow the synctask framework to process the command, there are other callers of glusterd_brick_stop () which are not synctask based. Change-Id: I7aee687abc6bfeaa70c7447031f55ed4ccd64693 updates: bz#1545048
* glusterd: handling brick termination in brick-muxSanju Rakonde2018-03-282-14/+60
| | | | | | | | | | | | | | | Problem: There's a race between the last glusterfs_handle_terminate() response sent to glusterd and the kill that happens immediately if the terminated brick is the last brick. Solution: When it is a last brick for the brick process, instead of glusterfsd killing itself, glusterd will kill the process in case of brick multiplexing. And also changing gf_attach utility accordingly. Change-Id: I386c19ca592536daa71294a13d9fc89a26d7e8c0 fixes: bz#1545048 BUG: 1545048 Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
* client: make fuse direct I/O strategies explicitCsaba Henk2018-03-221-5/+6
| | | | | | | | | | | | | | | | | | | | | | | | | | | | So far the --direct-io-mode option has been presented as of being Boolean valued. That is however not exact, as a third behavior is chosen if the option is not specified. We accept now the "auto" value as an explicit choice for the default heuristics, and indicate in the descriptions of the option (which occur in commandline help and in the gluterfs / mount.glusterfs man pages) that auto is the default. The default heuristics was briefly described in the commandline help. We are getting rid of that, because: - it's not the right place to provide such details; - there is no guarantee of keeping the current heuristics so it might go out of sync with reality; - that is already the case to some degree, because the description did not take into account that the default heuristics varies between platforms (on Mac, it's just "off"), and that xlators can also prescribe direct I/O for the file of their choice (see change I3fe3312cd96baa4eecfe1247ab7255b4f455f049). Change-Id: Ia83479c0c67fe66b7fc2e0e8db5b7792d9f44b28 Signed-off-by: Csaba Henk <csaba@redhat.com>
* glusterd: TLS verification fails while using intermediate CAMohit Agrawal2018-03-192-0/+3
| | | | | | | | | | | | | | | | | | | | | Problem: TLS verification fails while using intermediate CA if mgmt SSL is enabled. Solution: There are two main issue of TLS verification failing 1) not calling ssl_api to set cert_depth 2) The current code does not allow to set certificate depth while MGMT SSL is enabled. After apply this patch to set certificate depth user need to set parameter option transport.socket.ssl-cert-depth <depth> in /var/lib/glusterd/secure_acccess instead to set in /etc/glusterfs/glusterd.vol. At the time of set secure_mgmt in ctx we will check the value of cert-depth and save the value of cert-depth in ctx.If user does not provide any value in cert-depth in that case it will consider default value is 1 BUG: 1555154 Change-Id: I89e9a9e1026e37efb5c20f9ec62b1989ef644f35 Signed-off-by: Mohit Agrawal <moagrawa@redhat.com>
* build: address linkage issuesKaleb S. KEITHLEY2018-03-053-93/+9
| | | | | | | | | | | | | | | | | | | | | | | | | | | We have the following undefined symbol error from protocol/server.so: glusterfs_mgmt_pmap_signout glusterfs_autoscale_threads See https://review.gluster.org/19225 (bz#1532238) and https://review.gluster.org/19657 (bz#1550895) (why are there two different bzs for the same bug?) IMO this is a cleaner solution. I.e. moving the above two functions to libgfrpc (.../rpc/rpc-lib/...) I would also, for (foolish) consistency sake, like to see glusterfs_mgmt_pmap_signin() moved from glusterfsd to libgfrpc as well. This works on f28/rawhide, with its new, more restrictive run-time link semantics. The smoke and regression tests on earlier fedora and centos will confirm that it works on those platforms too. Change-Id: I9cfbd1cc15e7ebd9fc31b56ac791287fa2c584de BUG: 1550895 Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com>
* glusterfsd: Memleak in glusterfsd process while brick mux is onMohit Agrawal2018-02-273-13/+71
| | | | | | | | | | | | | | | | | | Problem: At the time of stopping the volume while brick multiplex is enabled memory is not cleanup from all server side xlators. Solution: To cleanup memory for all server side xlators call fini in glusterfs_handle_terminate after send GF_EVENT_CLEANUP notification to top xlator. BUG: 1544090 Signed-off-by: Mohit Agrawal <moagrawa@redhat.com> Note: Run all test-cases in separate build (https://review.gluster.org/19574) with same patch after enable brick mux forcefully, all test cases are passed. Change-Id: Ia10dc7f2605aa50f2b90b3fe4eb380ba9299e2fc
* rpcsvc: scale rpcsvc_request_handler threadsMilind Changire2018-02-263-4/+15
| | | | | | | | | | | | Scale rpcsvc_request_handler threads to match the scaling of event handler threads. Please refer to https://bugzilla.redhat.com/show_bug.cgi?id=1467614#c51 for a discussion about why we need multi-threaded rpcsvc request handlers. Change-Id: Ib6838fb8b928e15602a3d36fd66b7ba08999430b Signed-off-by: Milind Changire <mchangir@redhat.com>
* Revert "glusterfsd: Memleak in glusterfsd process while brick mux is on"Mohit Agrawal2018-02-193-70/+2
| | | | | | | | | | | There are still remain some code paths where cleanup is required while brick mux is on.I will upload a new patch after resolve all code paths. This reverts commit b313d97faa766443a7f8128b6e19f3d2f1b267dd. BUG: 1544090 Change-Id: I26ef1d29061092bd9a409c8933d5488e968ed90e Signed-off-by: Mohit Agrawal <moagrawa@redhat.com>
* build: add --without-server optionNiels de Vos2018-02-191-2/+7
| | | | | | | | | | | | | | | | With Gluster 4.0 we will not provide the server components for EL6 and older. At one point Gluster 4.x will get GlusterD2, which requires Golang tools in the distribution. EL6 does not contain these at the moment. With this change, it is possible to `./configure --without-server` which prevents building glusterd and the xlators for the bricks. Building RPMs can pass `--without server` and the glusterfs-server sub-package will not be created. Change-Id: I97f5ccf9f2c76e60d9af83915fc59fae57ad6d25 BUG: 1074947 Signed-off-by: Niels de Vos <ndevos@redhat.com>
* Fetch backup volfile servers from glusterd2Prashanth Pai2018-02-162-31/+54
| | | | | | | | | | | | | | | | Clients will request for a list of volfile servers from glusterd2 by setting a (optional) flag in GETSPEC RPC call. glusterd2 will check for the presence of this flag and accordingly return a list of glusterd2 servers in GETSPEC RPC reply. Currently, this list of servers returned only contains servers which have bricks belonging to the volume. See: https://github.com/gluster/glusterd2/issues/382 https://github.com/gluster/glusterfs/issues/351 Updates #351 Change-Id: I0eee3d0bf25a87627e562380ef73063926a16b81 Signed-off-by: Prashanth Pai <ppai@redhat.com>
* glusterfsd: Memleak in glusterfsd process while brick mux is onMohit Agrawal2018-02-153-2/+70
| | | | | | | | | | | | | Problem: At the time of stopping the volume while brick multiplex is enabled memory is not cleanup from all server side xlators. Solution: To cleanup memory for all server side xlators call fini in glusterfs_handle_terminate after send GF_EVENT_CLEANUP notification to top xlator. BUG: 1544090 Change-Id: Ifa1525e25b697371276158705026b421b4f81140 Signed-off-by: Mohit Agrawal <moagrawa@redhat.com>
* Revert "rpc: merge ssl infra with epoll infra"Milind Changire2018-01-071-3/+0
| | | | | | | This reverts commit 56e5fdae74845dfec0ff7ad0c8fee77695d36ad5. Change-Id: Ia62cee5440bbe8e23f5da9cff692d792091d544a Signed-off-by: Milind Changire <mchangir@redhat.com>
* all: Simplify component message id's definitionXavier Hernandez2017-12-143-147/+155
| | | | | | | | | This patch creates a new way of defining message id's that is easier and less error prone because it doesn't require so many manual changes each time a new component is defined or a new message created. Change-Id: I71ba8af9ac068f5add7e74f316a2478bc991c67b Signed-off-by: Xavier Hernandez <jahernan@redhat.com>
* rpc: merge ssl infra with epoll infraMilind Changire2017-12-121-0/+3
| | | | | | | | | | | | | | | | | | | Patch attempts to use the epoll infra for handling SSL connections as well instead of the socket_poller() thread func. This essentially makes priv->own_thread flag redundant. SSL_connect()/SSL_accept() is now non-blocking which has done away with the localised poll() in ssl_do(). So, ssl_do() has been updated appropriately. own_thread and coincidently socket_poller() thread for SSL processing is now deprecated. Added a timeout to test whether seal-heal daemon is up and running as per Ravi's suggestion. Change-Id: If2b5d7b4fd19e321cb289e08d49a718d2161aafe Signed-off-by: Milind Changire <mchangir@redhat.com>
* libglusterfs: specify ctx in gf_log_set_loglevelZhang Huan2017-12-061-1/+1
| | | | | | | | | specify ctx in gf_log_set_loglevel, instead of getting it from a thread specific variable. Change-Id: I498f826e8e32231235a6b0005026a27c327727fd BUG: 1521213 Signed-off-by: Zhang Huan <zhanghuan@open-fs.com>
* metrics: provide options to dump metrics from xlatorsAmar Tumballi2017-12-062-4/+86
| | | | | | | | | | * Introduce xlator methods to allow dumping of metrics * Separate options to get the metrics dumped in a path Updates #168 Change-Id: I7df80df33b71d6f449f03c2332665b4a45f6ddf2 Signed-off-by: Amar Tumballi <amarts@redhat.com>
* glusterfsd: making parent process to write pidfile while forkingSanju Rakonde2017-11-121-9/+16
| | | | | | | | | | | | | Issue: pid is written into glusterd.pid by child process instead of parent process while forking. Fix: After fork returns child pid to parent process, it falls under default case of switch statement, call glusterfs_pidfile_update() in default case instead of postfork label. Change-Id: I41b616c140592bf117601bc451dfd8b934a5b640 BUG: 1509340 Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
* Coverity Issue: PW.INCLUDE_RECURSION in several filesGirjesh Rajoria2017-11-092-2/+0
| | | | | | | | | | | | | | Coverity ID: 407, 408, 409, 410, 411, 412, 413, 414, 415, 416, 417, 418, 419, 423, 424, 425, 426, 427, 428, 429, 436, 437, 438, 439, 440, 441, 442, 443 Issue: Event include_recursion Removed redundant, recursive includes from the files. Change-Id: I920776b1fa089a2d4917ca722d0075a9239911a7 BUG: 789278 Signed-off-by: Girjesh Rajoria <grajoria@redhat.com>
* rpc: optimize fop program lookupMilind Changire2017-11-061-1/+1
| | | | | | | | | | Ensure that the fop program is the first in the program list so that there's minimum amount of time spent to search the program for the most frequently needed use case. Change-Id: I45c3dcdbf39ec90ba39d914432d13a2ace00a5ee BUG: 1509647 Signed-off-by: Milind Changire <mchangir@redhat.com>
* glusterfsd: Dereferencing the null pointerSanju Rakonde2017-10-201-1/+2
| | | | | | | | | | | | | | | | Problem: When control reaches to out, one of (iobref, iobuf, frame) can be null.for iobref, iobuf iobref_unref() and iobuf_unref() functions are called respectively, which are using GF_VALIDATE_OR_GOTO(), so there won't be null pointer dereference. But for frame without null checking STACK_DESTROY(frame->root) is called causing null pointer dereference. Fix: adding a line for null checking, the function STACK_DESTROY(frame->root) is called only when frame is not null. Change-Id: I3a6684c11fb7b694b81d6ad4fec3bced5562ad88 BUG: 1503394 Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
* gfproxyd: Let glusterd manage gfproxy daemonPoornima G2017-10-182-1/+27
| | | | | | | Updates: #242 BUG: 1428063 Change-Id: Iaaf2edf99b2ecc75f6d30762c752a6d445c1c826 Signed-off-by: Poornima G <pgurusid@redhat.com>
* glusterfsd: Coverity Issue "MISSING_BREAK" in parse_optsSubha sree Mohankumar2017-09-291-1/+1
| | | | | | | | | | | | Issue:Event unterminated_case: The case for value "ARGP_LOCALTIME_LOGGING_KEY" is not terminated by a 'break' statement. Solution: A break statement is added in the fallthrough case. Change-Id: Ie44d1a291afaa0e9fb9ef2aa45368b9401a8bb82 BUG: 789278 Signed-off-by: Subha sree Mohankumar <smohanku@redhat.com>
* stack.h:PW.INCLUDE_RECURSIONSanju Rakonde2017-09-291-1/+0
| | | | | | | | | | | | | | | | | | | The headerfile globals.h is recursively adding itself. ( globals.h -> xlator.h -> stack.h -> globals.h). We are finding the source files which are including the header file globals.h and removing the inclusion line. I used git grep -l stack.h | xargs git grep globals.h -- to find out the files and removed the header file from all files except libglusterfs/src/xlator.h and libglusterfs/src/Makefile.am When I try to remove header file from libglusterfs/src/xlator.h I'm getting some errors. In libglusterfs/src/Makefile.am it is required for building RPMs. Change-Id: I537218c09ade6d7ea51717768b26563a247daf60 BUG: 789278 Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
* Glusterfsd: Unreachable statementsSanju Rakonde2017-09-261-3/+3
| | | | | | | | | | | | | Issue: Event unreachable at line number 1111 in glusterfsd/src/glusterfsd.c There was a statement in outer if block after the break statement. Ideally the break statement should be inside the inner if block so that the statement will not become unreachable. I put the break inside the inner if block. Change-Id: Id4917305333e1638f35b3f2fb59ac42e62a12d02 BUG: 789278 Signed-off-by: Sanju Rakonde <srakonde@redhat.com>
* mount/fuse: Make event-history feature configurableKrutika Dhananjay2017-09-242-0/+29
| | | | | | | | | | | | | | | | | | | | | | ... 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>
* Command to identify client processhari gowtham2017-09-061-0/+1
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* Infra to indentify processhari gowtham2017-08-162-1/+10
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Problem: currently we can't identify which process is running and how many instances of it are available. Fix: name the process when its spawned and send it to the server and save it in the client_t The processes that abide by this change from this patch are: 1) fuse mount, 2) rebalance, 3) selfheal, 4) tier, 5) quota, 6) snapshot, 7) brick. 8) gfapi (by default. gfapi.<processname> if processname is found) Note: fuse gets a process name as native-fuse-client by default. If the user gives a name for the fuse and spawns it, it will be of this type --process-name native-fuse-client.<name_specified>. This can be made use by the process like aux mount done by quota, geo-rep, etc by adding another option in the aux mount " -o process-name=gsync_mount" Updates: #178 Signed-off-by: hari gowtham <hgowtham@redhat.com> Change-Id: Ie4d02257216839338043737691753bab9a974d5e Reviewed-on: https://review.gluster.org/17957 Smoke: Gluster Build System <jenkins@build.gluster.org> Tested-by: hari gowtham <hari.gowtham005@gmail.com> Reviewed-by: Amar Tumballi <amarts@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Atin Mukherjee <amukherj@redhat.com> Reviewed-by: Aravinda VK <avishwan@redhat.com> Reviewed-by: Niels de Vos <ndevos@redhat.com>
* glusterfsd: allow subdir mountAmar Tumballi2017-08-042-0/+11
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | 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>
* logging: localtime logging, cmdline, volume set optionKaleb S. KEITHLEY2017-08-032-0/+9
| | | | | | | | | | | | | | | | | Despite the fact that appliances generally use UTC, some users really want log entries in localtime. fixes gluster/glusterfs#272 feature page: https://review.gluster.org/17807 Change-Id: I5fbf2c3eedd9eb128fb3f851dd67b2f4081c8bba Signed-off-by: Kaleb S. KEITHLEY <kkeithle@redhat.com> Reviewed-on: https://review.gluster.org/16911 CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Samikshan Bairagya <samikshan@gmail.com> Reviewed-by: Shyamsundar Ranganathan <srangana@redhat.com>
* mem-pool: initialize pthread_key_t pool_key in mem_pool_init_early()Niels de Vos2017-07-191-1/+3
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | It is not possible to call pthread_key_delete for the pool_key that is intialized in the constructor for the memory pools. This makes it difficult to do a full cleanup of all the resources in mem_pools_fini(). For this, the initialization of pool_key should be moved to mem_pool_init(). However, the glusterfsd binary has a rather complex initialization procedure. The memory pools need to get initialized partially to get mem_get() functionality working. But, the pool_sweeper thread can get killed in case it is started before glusterfsd deamonizes. In order to solve this, mem_pools_init() is split into two pieces: 1. mem_pools_init_early() for initializing the basic structures 2. mem_pools_init_late() to start the pool_sweeper thread With the split of mem_pools_init(), and placing the pthread_key_create() in mem_pools_init_early(), it is now possible to correctly cleanup the pool_key with pthread_key_delete() in mem_pools_fini(). It seems that there was no memory pool initialization in the CLI. This has been added as well now. Without it, the CLI will not be able to call mem_get() successfully which results in a hang of the process. Change-Id: I1de0153dfe600fd79eac7468cc070e4bd35e71dd BUG: 1470170 Signed-off-by: Niels de Vos <ndevos@redhat.com> Reviewed-on: https://review.gluster.org/17779 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>
* libglusterfs: Name threads on creationRaghavendra Talur2017-07-191-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Set names to threads on creation for easier debugging. Output of top -H -p <PID-OF-GLUSTERFSD> Before: 19773 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19774 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19775 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19776 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19777 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19778 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19779 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19780 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19781 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19782 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19783 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19784 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19785 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterfsd 19786 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterfsd 19787 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterfsd 19789 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19790 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 25178 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 5398 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 7881 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd After: 19773 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19774 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glustertimer 19775 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterfsd 19776 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glustermemsweep 19777 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glustersproc0 19778 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glustersproc1 19779 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterepoll0 19780 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusteridxwrker 19781 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusteriotwr0 19782 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterbrssign 19783 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterbrswrker 19784 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterclogecon 19785 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterclogd0 19786 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterclogd1 19787 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.01 glusterclogd2 19789 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterposixjan 19790 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterposixfsy 25178 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterepoll1 5398 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterepoll2 7881 root 20 0 1301.3m 12.6m 8.4m S 0.0 0.1 0:00.00 glusterposixhc Change-Id: Id5f333755c1ba168a2ffaa4fce6e71c375e10703 BUG: 1254002 Updates: #271 Signed-off-by: Raghavendra Talur <rtalur@redhat.com> Reviewed-on: https://review.gluster.org/11926 Reviewed-by: Prashanth Pai <ppai@redhat.com> Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Niels de Vos <ndevos@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org>
* mgtm/core : use sha hash function for volfile checkMohammed Rafi KC2017-07-101-32/+66
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | We are storing the entire volfile and using this to check volfile change. With brick multiplexing there will be lot of graphs per process which will increase the memory foot print of the process. So instead of storing the entire graph we could use sha256 and we can compare the hash to see whether volfile change happened or not. Also with Brick multiplexing, the direct comparison of vol file is not correct. There are two problems. Problem 1: We are currently storing one single graph (the last updated volfile) whereas, what we need is the entire graph with all atttached bricks. If we fix this issue, we have second problem Problem 2: With multiplexing we have a graph that contains multiple bricks. But what we are checking as part of the reconfigure is, comparing the entire graph with one single graph, which will always fail. Solution: We create list in glusterfs_ctx_t that stores sha256 hash of individual brick graphs. When a graph changes happens we compare the stored hash and the current hash. If the hash matches, then no need for reconfigure. Otherwise we first do the reconfigure and then update the hash. For now, gfapi has not changed this way. Meaning when gfapi volfile fetch or reconfigure happens, we still store the entire graph and compare, each memory. This is fine, because libgfapi will not load brick graphs. But changing the libgfapi will make the code similar in both glusterfsd-mgmt and api. Also it helps to reduce some memory. Change-Id: I9df917a771a52b95622ab8f63af34ec390163a77 BUG: 1467986 Signed-off-by: Mohammed Rafi KC <rkavunga@redhat.com> Reviewed-on: https://review.gluster.org/17709 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> Reviewed-by: Atin Mukherjee <amukherj@redhat.com> Reviewed-by: Amar Tumballi <amarts@redhat.com>
* multiple: fix struct/typedef inconsistenciesJeff Darcy2017-06-301-2/+2
| | | | | | | | | | | | | | | | | | | | | | | | The most common pattern, both in our code and elsewhere, is this: struct _xyz { ... }; typedef struct _xyz xyz_t; These exceptions - especially call_frame/call_stack - have been slowing down code navigation for years. By converging on a single pattern, navigating from xyz_t in code to the actual definition of struct _xyz (i.e. without having to visit the typedef first) might even be automatable. Change-Id: I0e5dd1f51f98e000173c62ef4ddc5b21d9ec44ed Signed-off-by: Jeff Darcy <jdarcy@fb.com> Reviewed-on: https://review.gluster.org/17650 Smoke: Gluster Build System <jenkins@build.gluster.org> Tested-by: Jeff Darcy <jeff@pl.atyp.us> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Amar Tumballi <amarts@redhat.com> Reviewed-by: Niels de Vos <ndevos@redhat.com>
* glusterfs: Not able to mount running volume after enable brick mux and ↵Mohit Agrawal2017-05-311-55/+58
| | | | | | | | | | | | | | | | | | | | | | | | | | | | stopped any volume Problem: After enabled brick mux if any volume has down and then try ot run mount with running volume , mount command is hung. Solution: After enable brick mux server has shared one data structure server_conf for all associated subvolumes.After down any subvolume in some ungraceful manner (remove brick directory) posix xlator sends GF_EVENT_CHILD_DOWN event to parent xlatros and server notify updates the child_up to false in server_conf.When client is trying to communicate with server through mount it checks conf->child_up and it is FALSE so it throws message "translator are not yet ready". From this patch updated structure server_conf to save child_up status for xlator wise. Another improtant correction from this patch is cleanup threads from server side xlators after stop the volume. BUG: 1453977 Change-Id: Ic54da3f01881b7c9429ce92cc569236eb1d43e0d Signed-off-by: Mohit Agrawal <moagrawa@redhat.com> Reviewed-on: https://review.gluster.org/17356 Smoke: Gluster Build System <jenkins@build.gluster.org> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> Reviewed-by: Raghavendra Talur <rtalur@redhat.com> CentOS-regression: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Jeff Darcy <jeff@pl.atyp.us>
* glusterfsd: process attach and detach request inside lockAtin Mukherjee2017-05-261-75/+98
| | | | | | | | | | | | | | | | | With brick multiplexing, there is a high possibility that attach and detach requests might be parallely processed and to avoid a concurrent update to the same graph list, a mutex lock is required. Credits : Rafi (rkavunga@redhat.com) for the RCA of this issue Change-Id: Ic8e6d1708655c8a143c5a3690968dfa572a32a9c BUG: 1454865 Signed-off-by: Atin Mukherjee <amukherj@redhat.com> Reviewed-on: https://review.gluster.org/17374 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: Jeff Darcy <jeff@pl.atyp.us>
* brick mux: Detach brick on posix health check failureAtin Mukherjee2017-05-152-1/+3
| | | | | | | | | | | | | | With brick mux enabled, we'd need to detach a particular brick if the underlying backend has gone bad. This patch addresses the same. Change-Id: Icfd469c7407cd2d21d02e4906375ec770afeacc3 BUG: 1450630 Signed-off-by: Atin Mukherjee <amukherj@redhat.com> Reviewed-on: https://review.gluster.org/17287 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: Jeff Darcy <jeff@pl.atyp.us>
* glusterfsd: send PARENT_UP on brick attachAtin Mukherjee2017-05-141-2/+13
| | | | | | | | | | | | | | | | With brick multiplexing being enabled, if a brick is instance attached to a process then a PARENT_UP event is needed so that it reaches right till posix layer and then from posix CHILD_UP event is sent back to all the children. Change-Id: Ic341086adb3bbbde0342af518e1b273dd2f669b9 BUG: 1447389 Signed-off-by: Atin Mukherjee <amukherj@redhat.com> Reviewed-on: https://review.gluster.org/17225 NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> 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>
* event/epoll: Add back socket for polling of events immediately afterRaghavendra G2017-05-121-53/+69
| | | | | | | | | | | | | | | | | | | | | | | | | reading the entire rpc message from the wire Currently socket is added back for future events after higher layers (rpc, xlators etc) have processed the message. If message processing involves signficant delay (as in writev replies processed by Erasure Coding), performance takes hit. Hence this patch modifies transport/socket to add back the socket for polling of events immediately after reading the entire rpc message, but before notification to higher layers. credits: Thanks to "Kotresh Hiremath Ravishankar" <khiremat@redhat.com> for assitance in fixing a regression in bitrot caused by this patch. Change-Id: I04b6b9d0b51a1cfb86ecac3c3d87a5f388cf5800 BUG: 1448364 Signed-off-by: Raghavendra G <rgowdapp@redhat.com> Reviewed-on: https://review.gluster.org/15036 CentOS-regression: Gluster Build System <jenkins@build.gluster.org> NetBSD-regression: NetBSD Build System <jenkins@build.gluster.org> Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Amar Tumballi <amarts@redhat.com>
* glusterd: socketfile & pidfile related fixes for brick multiplexing featureMohit Agrawal2017-05-091-1/+0
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | Problem: While brick-muliplexing is on after restarting glusterd, CLI is not showing pid of all brick processes in all volumes. Solution: While brick-mux is on all local brick process communicated through one UNIX socket but as per current code (glusterd_brick_start) it is trying to communicate with separate UNIX socket for each volume which is populated based on brick-name and vol-name.Because of multiplexing design only one UNIX socket is opened so it is throwing poller error and not able to fetch correct status of brick process through cli process. To resolve the problem write a new function glusterd_set_socket_filepath_for_mux that will call by glusterd_brick_start to validate about the existence of socketpath. To avoid the continuous EPOLLERR erros in logs update socket_connect code. Test: To reproduce the issue followed below steps 1) Create two distributed volumes(dist1 and dist2) 2) Set cluster.brick-multiplex is on 3) kill glusterd 4) run command gluster v status After apply the patch it shows correct pid for all volumes BUG: 1444596 Change-Id: I5d10af69dea0d0ca19511f43870f34295a54a4d2 Signed-off-by: Mohit Agrawal <moagrawa@redhat.com> Reviewed-on: https://review.gluster.org/17101 Smoke: Gluster Build System <jenkins@build.gluster.org> Reviewed-by: Prashanth Pai <ppai@redhat.com> 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>
* glusterd: cleanup pidfile on pmap signoutAtin Mukherjee2017-05-081-1/+17
| | | | | | | | | | | | | | | | This patch ensures 1. brick pidfile is cleaned up on pmap signout 2. pmap signout evemt is sent for all the bricks when a brick process shuts down. Change-Id: I7606a60775b484651d4b9743b6037b40323931a2 BUG: 1444596 Signed-off-by: Atin Mukherjee <amukherj@redhat.com> Reviewed-on: https://review.gluster.org/17168 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: Jeff Darcy <jeff@pl.atyp.us>
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