On Thu, Jun 29, 2017 at 6:22 PM, Nick Fisk <nick@xxxxxxxxxx> wrote: >> -----Original Message----- >> From: Ilya Dryomov [mailto:idryomov@xxxxxxxxx] >> Sent: 29 June 2017 16:58 >> To: Nick Fisk <nick@xxxxxxxxxx> >> Cc: Ceph Users <ceph-users@xxxxxxxxxxxxxx> >> Subject: Re: Kernel mounted RBD's hanging >> >> On Thu, Jun 29, 2017 at 4:30 PM, Nick Fisk <nick@xxxxxxxxxx> wrote: >> > Hi All, >> > >> > Putting out a call for help to see if anyone can shed some light on this. >> > >> > Configuration: >> > Ceph cluster presenting RBD's->XFS->NFS->ESXi Running 10.2.7 on the >> > OSD's and 4.11 kernel on the NFS gateways in a pacemaker cluster Both >> > OSD's and clients are go into a pair of switches, single L2 domain (no >> > sign from pacemaker that there is network connectivity issues) >> > >> > Symptoms: >> > - All RBD's on a single client randomly hang for 30s to several >> > minutes, confirmed by pacemaker and ESXi hosts complaining >> >> Hi Nick, >> >> What is a "single client" here? > > I mean a node of the pacemaker cluster. So all RBD's on the same pacemaker node hang. > >> >> > - Cluster load is minimal when this happens most times >> >> Can you post gateway syslog and point at when this happened? >> Corresponding pacemaker excerpts won't hurt either. > > Jun 28 16:35:38 MS-CEPH-Proxy1 lrmd[2026]: warning: p_export_ceph-ds1_monitor_60000 process (PID 17754) timed out > Jun 28 16:35:43 MS-CEPH-Proxy1 lrmd[2026]: crit: p_export_ceph-ds1_monitor_60000 process (PID 17754) will not die! > Jun 28 16:43:51 MS-CEPH-Proxy1 lrmd[2026]: warning: p_export_ceph-ds1_monitor_60000:17754 - timed out after 30000ms > Jun 28 16:43:52 MS-CEPH-Proxy1 IPaddr(p_vip_ceph-ds1)[28482]: INFO: ifconfig ens224:0 down > Jun 28 16:43:52 MS-CEPH-Proxy1 lrmd[2026]: notice: p_vip_ceph-ds1_stop_0:28482:stderr [ SIOCDELRT: No such process ] > Jun 28 16:43:52 MS-CEPH-Proxy1 crmd[2029]: notice: Operation p_vip_ceph-ds1_stop_0: ok (node=MS-CEPH-Proxy1, call=471, rc=0, cib-update=318, confirmed=true) > Jun 28 16:43:52 MS-CEPH-Proxy1 exportfs(p_export_ceph-ds1)[28499]: INFO: Un-exporting file system ... > Jun 28 16:43:52 MS-CEPH-Proxy1 exportfs(p_export_ceph-ds1)[28499]: INFO: unexporting 10.3.20.0/24:/mnt/Ceph-DS1 > Jun 28 16:43:52 MS-CEPH-Proxy1 exportfs(p_export_ceph-ds1)[28499]: INFO: Unlocked NFS export /mnt/Ceph-DS1 > Jun 28 16:43:52 MS-CEPH-Proxy1 exportfs(p_export_ceph-ds1)[28499]: INFO: Un-exported file system(s) > Jun 28 16:43:52 MS-CEPH-Proxy1 crmd[2029]: notice: Operation p_export_ceph-ds1_stop_0: ok (node=MS-CEPH-Proxy1, call=473, rc=0, cib-update=319, confirmed=true) > Jun 28 16:43:52 MS-CEPH-Proxy1 exportfs(p_export_ceph-ds1)[28549]: INFO: Exporting file system(s) ... > Jun 28 16:43:52 MS-CEPH-Proxy1 exportfs(p_export_ceph-ds1)[28549]: INFO: exporting 10.3.20.0/24:/mnt/Ceph-DS1 > Jun 28 16:43:52 MS-CEPH-Proxy1 exportfs(p_export_ceph-ds1)[28549]: INFO: directory /mnt/Ceph-DS1 exported > Jun 28 16:43:52 MS-CEPH-Proxy1 crmd[2029]: notice: Operation p_export_ceph-ds1_start_0: ok (node=MS-CEPH-Proxy1, call=474, rc=0, cib-update=320, confirmed=true) > > If I enable the read/write checks for the FS resource, they also timeout at the same time. What about syslog that the above corresponds to? Thanks, Ilya _______________________________________________ ceph-users mailing list ceph-users@xxxxxxxxxxxxxx http://lists.ceph.com/listinfo.cgi/ceph-users-ceph.com