I don't think there is relation with packet size. Once reproduced， you can share the messages and I will try my best if free.
On 2015/12/23 10:45, gjprabu wrote: > Hi Joseph, > > I have enabled requested and Is the DLM log will capture to analyze > further. Also do we need to enable network side setting for allow max packets. > > debugfs.ocfs2 -l > DLM allow > MSG off > TCP off > CONN off > VOTE off > DLM_DOMAIN off > HB_BIO off > BASTS allow > DLMFS off > ERROR allow > DLM_MASTER off > KTHREAD off > NOTICE allow > QUORUM off > SOCKET off > DLM_GLUE off > DLM_THREAD off > DLM_RECOVERY allow > HEARTBEAT off > CLUSTER off > > Regards > Prabu > > > ---- On Wed, 23 Dec 2015 07:51:38 +0530 *Joseph Qi > <joseph...@huawei.com>*wrote ---- > > Please also switch on BASTS and DLM_RECOVERY. > > On 2015/12/23 10:11, gjprabu wrote: > > HI Joseph, > > > > Our current setup is having below details and DLM is now allowed (DLM > allow). Do you suggest any other option to get more logs. > > > > debugfs.ocfs2 -l > > DLM off ( DLM allow) > > MSG off > > TCP off > > CONN off > > VOTE off > > DLM_DOMAIN off > > HB_BIO off > > BASTS off > > DLMFS off > > ERROR allow > > DLM_MASTER off > > KTHREAD off > > NOTICE allow > > QUORUM off > > SOCKET off > > DLM_GLUE off > > DLM_THREAD off > > DLM_RECOVERY off > > HEARTBEAT off > > CLUSTER off > > > > Regards > > Prabu > > ** > > > > > > > > ---- On Wed, 23 Dec 2015 07:30:54 +0530 *Joseph Qi > <joseph...@huawei.com <mailto:joseph...@huawei.com>>*wrote ---- > > > > So you mean the four nodes are manually rebooted? If so you must > > analyze messages before you rebooted. > > If there are not enough messages, you can switch on some messages. IMO, > > mostly hang problems are caused by DLM bug, so I suggest switch on DLM > > related log and reproduce. > > You can use debugfs.ocfs2 -l to show all message switches and switch on > > you want. For example, > > # debugfs.ocfs2 -l DLM allow > > > > Thanks， > > Joseph > > > > On 2015/12/22 21:47, gjprabu wrote: > > > Hi Joseph, > > > > > > We are facing ocfs2 server hang problem frequently and suddenly 4 > nodes going to hang stat expect 1 node. After reboot everything is come to > normal, this behavior happend many times. Do we have any debug and fix for > this issue. > > > > > > Regards > > > Prabu > > > > > > > > > ---- On Tue, 22 Dec 2015 16:30:52 +0530 *Joseph Qi > <joseph...@huawei.com <mailto:joseph...@huawei.com> > <mailto:joseph...@huawei.com <mailto:joseph...@huawei.com>>>*wrote ---- > > > > > > Hi Prabu, > > > From the log you provided, I can only see that node 5 disconnected > with > > > node 2, 3, 1 and 4. It seemed that something wrong happened on the > four > > > nodes, and node 5 did recovery for them. After that, the four nodes > > > joined again. > > > > > > On 2015/12/22 16:23, gjprabu wrote: > > > > Hi, > > > > > > > > Anybody please help me on this issue. > > > > > > > > Regards > > > > Prabu > > > > > > > > ---- On Mon, 21 Dec 2015 15:16:49 +0530 *gjprabu > <gjpr...@zohocorp.com <mailto:gjpr...@zohocorp.com> > <mailto:gjpr...@zohocorp.com <mailto:gjpr...@zohocorp.com>> > <mailto:gjpr...@zohocorp.com <mailto:gjpr...@zohocorp.com> > <mailto:gjpr...@zohocorp.com <mailto:gjpr...@zohocorp.com>>>>*wrote ---- > > > > > > > > Dear Team, > > > > > > > > Ocfs2 clients are getting hang often and unusable. Please find the > logs. Kindly provide the solution, it will be highly appreciated. > > > > > > > > > > > > [3659684.042530] o2dlm: Node 4 joins domain > A895BC216BE641A8A7E20AA89D57E051 ( 1 2 3 4 5 ) 5 nodes > > > > > > > > [3992993.101490] > (kworker/u192:1,63211,24):dlm_create_lock_handler:515 ERROR: dlm status = > DLM_IVLOCKID > > > > [3993002.193285] > (kworker/u192:1,63211,24):dlm_deref_lockres_handler:2267 ERROR: > A895BC216BE641A8A7E20AA89D57E051:M0000000000000062d2dcd000000000: bad lockres > name > > > > [3993032.457220] > (kworker/u192:0,67418,11):dlm_do_assert_master:1680 ERROR: Error -112 when > sending message 502 (key 0xc3460ae7) to node 2 > > > > [3993062.547989] > (kworker/u192:0,67418,11):dlm_do_assert_master:1680 ERROR: Error -107 when > sending message 502 (key 0xc3460ae7) to node 2 > > > > [3993064.860776] > (kworker/u192:0,67418,15):dlm_do_assert_master:1680 ERROR: Error -107 when > sending message 502 (key 0xc3460ae7) to node 2 > > > > [3993064.860804] o2cb: o2dlm has evicted node 2 from domain > A895BC216BE641A8A7E20AA89D57E051 > > > > [3993073.280062] o2dlm: Begin recovery on domain > A895BC216BE641A8A7E20AA89D57E051 for node 2 > > > > [3993094.623695] (dlm_thread,46268,8):dlm_send_proxy_ast_msg:484 > ERROR: A895BC216BE641A8A7E20AA89D57E051: res S000000000000000000000200000000, > error -112 send AST to node 4 > > > > [3993094.624281] (dlm_thread,46268,8):dlm_flush_asts:605 ERROR: > status = -112 > > > > [3993094.687668] > (kworker/u192:0,67418,15):dlm_do_assert_master:1680 ERROR: Error -112 when > sending message 502 (key 0xc3460ae7) to node 3 > > > > [3993094.815662] > (dlm_reco_thread,46269,7):dlm_do_master_requery:1666 ERROR: Error -112 when > sending message 514 (key 0xc3460ae7) to node 1 > > > > [3993094.816118] > (dlm_reco_thread,46269,7):dlm_pre_master_reco_lockres:2166 ERROR: status = > -112 > > > > [3993124.778525] > (dlm_reco_thread,46269,7):dlm_do_master_requery:1666 ERROR: Error -107 when > sending message 514 (key 0xc3460ae7) to node 3 > > > > [3993124.779032] > (dlm_reco_thread,46269,7):dlm_pre_master_reco_lockres:2166 ERROR: status = > -107 > > > > [3993133.332516] o2cb: o2dlm has evicted node 3 from domain > A895BC216BE641A8A7E20AA89D57E051 > > > > [3993139.915122] o2cb: o2dlm has evicted node 1 from domain > A895BC216BE641A8A7E20AA89D57E051 > > > > [3993147.071956] o2cb: o2dlm has evicted node 4 from domain > A895BC216BE641A8A7E20AA89D57E051 > > > > [3993147.071968] > (dlm_reco_thread,46269,7):dlm_do_master_requery:1666 ERROR: Error -107 when > sending message 514 (key 0xc3460ae7) to node 4 > > > > [3993147.071975] > (kworker/u192:0,67418,15):dlm_do_assert_master:1680 ERROR: Error -107 when > sending message 502 (key 0xc3460ae7) to node 4 > > > > [3993147.071997] > (kworker/u192:0,67418,15):dlm_do_assert_master:1680 ERROR: Error -107 when > sending message 502 (key 0xc3460ae7) to node 4 > > > > [3993147.072001] > (kworker/u192:0,67418,15):dlm_do_assert_master:1680 ERROR: Error -107 when > sending message 502 (key 0xc3460ae7) to node 4 > > > > [3993147.072005] > (kworker/u192:0,67418,15):dlm_do_assert_master:1680 ERROR: Error -107 when > sending message 502 (key 0xc3460ae7) to node 4 > > > > [3993147.072009] > (kworker/u192:0,67418,15):dlm_do_assert_master:1680 ERROR: Error -107 when > sending message 502 (key 0xc3460ae7) to node 4 > > > > [3993147.075019] > (dlm_reco_thread,46269,7):dlm_pre_master_reco_lockres:2166 ERROR: status = > -107 > > > > [3993147.075353] > (dlm_reco_thread,46269,7):dlm_do_master_request:1347 ERROR: link to 1 went > down! > > > > [3993147.075701] > (dlm_reco_thread,46269,7):dlm_get_lock_resource:932 ERROR: status = -107 > > > > [3993147.076001] > (dlm_reco_thread,46269,7):dlm_do_master_request:1347 ERROR: link to 3 went > down! > > > > [3993147.076329] > (dlm_reco_thread,46269,7):dlm_get_lock_resource:932 ERROR: status = -107 > > > > [3993147.076634] > (dlm_reco_thread,46269,7):dlm_do_master_request:1347 ERROR: link to 4 went > down! > > > > [3993147.076968] > (dlm_reco_thread,46269,7):dlm_get_lock_resource:932 ERROR: status = -107 > > > > [3993147.077275] > (dlm_reco_thread,46269,7):dlm_restart_lock_mastery:1236 ERROR: node down! 1 > > > > [3993147.077591] > (dlm_reco_thread,46269,7):dlm_restart_lock_mastery:1229 node 3 up while > restarting > > > > [3993147.077594] > (dlm_reco_thread,46269,7):dlm_wait_for_lock_mastery:1053 ERROR: status = -11 > > > > [3993155.171570] > (dlm_reco_thread,46269,7):dlm_do_master_request:1347 ERROR: link to 3 went > down! > > > > [3993155.171874] > (dlm_reco_thread,46269,7):dlm_get_lock_resource:932 ERROR: status = -107 > > > > [3993155.172150] > (dlm_reco_thread,46269,7):dlm_do_master_request:1347 ERROR: link to 4 went > down! > > > > [3993155.172446] > (dlm_reco_thread,46269,7):dlm_get_lock_resource:932 ERROR: status = -107 > > > > [3993155.172719] > (dlm_reco_thread,46269,7):dlm_restart_lock_mastery:1236 ERROR: node down! 3 > > > > [3993155.173001] > (dlm_reco_thread,46269,7):dlm_restart_lock_mastery:1229 node 4 up while > restarting > > > > [3993155.173003] > (dlm_reco_thread,46269,7):dlm_wait_for_lock_mastery:1053 ERROR: status = -11 > > > > [3993155.173283] > (dlm_reco_thread,46269,7):dlm_do_master_request:1347 ERROR: link to 4 went > down! > > > > [3993155.173581] > (dlm_reco_thread,46269,7):dlm_get_lock_resource:932 ERROR: status = -107 > > > > [3993155.173858] > (dlm_reco_thread,46269,7):dlm_restart_lock_mastery:1236 ERROR: node down! 4 > > > > [3993155.174135] > (dlm_reco_thread,46269,7):dlm_wait_for_lock_mastery:1053 ERROR: status = -11 > > > > [3993155.174458] o2dlm: Node 5 (me) is the Recovery Master for the > dead node 2 in domain A895BC216BE641A8A7E20AA89D57E051 > > > > [3993158.361220] o2dlm: End recovery on domain > A895BC216BE641A8A7E20AA89D57E051 > > > > [3993158.361228] o2dlm: Begin recovery on domain > A895BC216BE641A8A7E20AA89D57E051 for node 1 > > > > [3993158.361305] o2dlm: Node 5 (me) is the Recovery Master for the > dead node 1 in domain A895BC216BE641A8A7E20AA89D57E051 > > > > [3993161.833543] o2dlm: End recovery on domain > A895BC216BE641A8A7E20AA89D57E051 > > > > [3993161.833551] o2dlm: Begin recovery on domain > A895BC216BE641A8A7E20AA89D57E051 for node 3 > > > > [3993161.833620] o2dlm: Node 5 (me) is the Recovery Master for the > dead node 3 in domain A895BC216BE641A8A7E20AA89D57E051 > > > > [3993165.188817] o2dlm: End recovery on domain > A895BC216BE641A8A7E20AA89D57E051 > > > > [3993165.188826] o2dlm: Begin recovery on domain > A895BC216BE641A8A7E20AA89D57E051 for node 4 > > > > [3993165.188907] o2dlm: Node 5 (me) is the Recovery Master for the > dead node 4 in domain A895BC216BE641A8A7E20AA89D57E051 > > > > [3993168.551610] o2dlm: End recovery on domain > A895BC216BE641A8A7E20AA89D57E051 > > > > > > > > [3996486.869628] o2dlm: Node 4 joins domain > A895BC216BE641A8A7E20AA89D57E051 ( 4 5 ) 2 nodes > > > > [3996778.703664] o2dlm: Node 4 leaves domain > A895BC216BE641A8A7E20AA89D57E051 ( 5 ) 1 nodes > > > > [3997012.295536] o2dlm: Node 2 joins domain > A895BC216BE641A8A7E20AA89D57E051 ( 2 5 ) 2 nodes > > > > [3997099.498157] o2dlm: Node 4 joins domain > A895BC216BE641A8A7E20AA89D57E051 ( 2 4 5 ) 3 nodes > > > > [3997783.633140] o2dlm: Node 1 joins domain > A895BC216BE641A8A7E20AA89D57E051 ( 1 2 4 5 ) 4 nodes > > > > [3997864.039868] o2dlm: Node 3 joins domain > A895BC216BE641A8A7E20AA89D57E051 ( 1 2 3 4 5 ) 5 nodes > > > > > > > > Regards > > > > Prabu > > > > ** > > > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ > > > > Ocfs2-users mailing list > > > > Ocfs2-users@oss.oracle.com <mailto:Ocfs2-users@oss.oracle.com> > <mailto:Ocfs2-users@oss.oracle.com <mailto:Ocfs2-users@oss.oracle.com>> > <mailto:Ocfs2-users@oss.oracle.com <mailto:Ocfs2-users@oss.oracle.com> > <mailto:Ocfs2-users@oss.oracle.com <mailto:Ocfs2-users@oss.oracle.com>>> > > > > https://oss.oracle.com/mailman/listinfo/ocfs2-users > > > > > > > > > > > > > > > > > > > > > > _______________________________________________ Ocfs2-users mailing list Ocfs2-users@oss.oracle.com https://oss.oracle.com/mailman/listinfo/ocfs2-users
