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* gluster-blockd: parse create and delete outputsPrasanna Kumar Kalever2017-02-271-60/+415
| | | | | | | | | | | | | | | | The new parsed output of create and delete command will look like: $ gluster-block create sample/sample-block ha 2 ${HOST1} ${HOST2} 1GiB IQN: iqn.2016-12.org.gluster-block:aafea465-9167-4880-b37c-2c36db8562ea PORTAL(S): ${HOST1}:3260 ${HOST2}:3260 RESULT: SUCCESS $ gluster-block delete sample/sample-block SUCCESSFUL ON: ${HOST1} ${HOST2} RESULT: SUCCESS Change-Id: Id98e643c62a898a1f7298b6cfeb6ddfa10397b7f Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-blockd: defend on connect() issuesPrasanna Kumar Kalever2017-02-201-5/+24
| | | | | | | | | | | | | | | currently remote connect(b/w gluster-blockd's) failed cases such as, ECONNREFUSED No-one listening on the remote address. ENETUNREACH Network is unreachable. ETIMEDOUT Timeout while attempting connection ... are considered as CONFIGFAIL, this patch defend on these errno's. Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-blockd: treat delete success if block doesn't existPrasanna Kumar Kalever2017-02-201-0/+15
| | | | | | | | | | | | | problem: say because of some reasons create failed to config on node, so it will log CONFIGFAIL in the metafile. At the time of delete since config failed it is obvious that block will not exist. since delete cannot find it now it fails to delete hence returning -1. solution: treat delete success if there is no block with given name on that node. Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-blockd: fix violation of double pointer usagePrasanna Kumar Kalever2017-02-201-50/+21
| | | | Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-blockd: fix bug in glusterBlockCleanUpPrasanna Kumar Kalever2017-02-201-3/+3
| | | | | | | fix filename in GB_METAUPDATE_OR_GOTO() i.e change gbid to blockname Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-block: improve log messagesPrasanna Kumar Kalever2017-02-201-64/+92
| | | | | | | improve strings add missing log messages wherever helpful Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-block: refactor return valuesPrasanna Kumar Kalever2017-02-191-70/+154
| | | | Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* create: cleanup config in all the nodes if mpath is not satisfiedPrasanna Kumar Kalever2017-02-171-82/+88
| | | | | | partial success is treated as failure. Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* cli: deprecate volserver optionPrasanna Kumar Kalever2017-02-171-7/+6
| | | | | | | volserver can be considered as "localhost", as we anyway tieing-up glusterd, gluster-blockd and cli processes. Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* meta: thread safe GB_METAUPDATE_OR_GOTOPrasanna Kumar Kalever2017-02-161-63/+37
| | | | | | | | | | | | GB_METAUPDATE_OR_GOTO used an already opened glfs fd to update the meta data, since we have mpath number of threads writing to the same metadata file simultaneously, this will lead to thread concurrency and data consistency issues. Hence this patch protects GB_METAUPDATE_OR_GOTO with a lock and removes fd sharing by moving glfs_creat/open and glfs_close within the MACRO. Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* daemon: fix minor bugsPrasanna Kumar Kalever2017-02-161-84/+101
| | | | | Reported-by: Pranith Kumar K <pkarampu@redhat.com> Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* cli: cart off unwanted output from create commandPrasanna Kumar Kalever2017-02-151-3/+3
| | | | | | | | | | | | | | The response of below sub-operations as part of create are undesired $ targetcli set global auto_add_default_portal=false $ targetcli / saveconfig $ targetcli set attributes generate_node_acls=1 demo_mode_write_protect=0 Hence redirecting them to '/dev/null' This patch also fix a bug in the previous patch i.e. missed inverting [!] function return in if() Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-block: add portal creationPrasanna Kumar Kalever2017-02-151-3/+20
| | | | | | | The portal that target listens on by default will be 0.0.0.0; With this patch we will be changing that to hostname of local machine. Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* daemon: redirect logs to logdirPrasanna Kumar Kalever2017-02-141-1/+1
| | | | | | replace fprintf calls with LOG() Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-block: threadify remote requestsPrasanna Kumar Kalever2017-02-091-63/+216
| | | | | | | | | | | | | | | Before: ------ rpc clnt_call() is synchronous, for a multipath request each remote call has to wait until the previous remote call returns i,e each remote op happens in serial. After: ----- As we now threadify the remote calls, all the remote call's happens in parallel shrinking the overall latency for create and delete requests. Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-block: create block files in '/block-store' dirPrasanna Kumar Kalever2017-02-081-6/+6
| | | | | | | | | | | | | | | | | till now we have '/block-meta' dir for meta files and actual block files used to reside in '/' dir. From now, lets place block files in '/block-store' So, this is how it looks like: $ tree /mnt/ /mnt/ ├── block-meta │   ├── meta.lock │   └── TARGET └── block-store └── 103e4cf1-bf41-404a-9fe1-b7c70fc33b3e Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* build: fix minor warningsPrasanna Kumar Kalever2017-02-081-51/+112
| | | | | | | mostly uninitialized use of variables. check return values from function calls. Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gfapi: unify calls to glfs_init and friendsPrasanna Kumar Kalever2017-02-071-2/+2
| | | | | | | There were two glfs_init(and friends) invocations per op (create & delete). This patch just unifies those calls (since they anyway belong to same volume) Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
* gluster-block: migrate build to libtoolz and create rpmPrasanna Kumar Kalever2017-02-071-0/+832
Till now we had simple makefile for checking dependencies and building. Using libtoolz will give more control on dependency checks and flexibility. This patch also introduce rpm build feature. Compiling: $ ./autogen.sh $ ./configure $ make -j $ make install Building RPMS: $ make rpms Running: $ systemctl start gluster-blockd.service Using CLI: $ gluster-block help Signed-off-by: Prasanna Kumar Kalever <prasanna.kalever@redhat.com>
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