Hello, I discovered the "Cluster is now split" message in log and moving to StandAlone then after short (about 8 seconds) network failure between cluster nodes.
Would you please to suggest something? Thank you in advance! The drbd log is: ===================================================================== [Sat Jul 7 21:02:22 2018] drbd dhcp dhcp-master.dhcp: PingAck did not arrive in time. [Sat Jul 7 21:02:22 2018] drbd dhcp dhcp-master.dhcp: conn( Connected -> NetworkFailure ) peer( Primary -> Unknown ) [Sat Jul 7 21:02:22 2018] drbd dhcp/0 drbd0: disk( UpToDate -> Consistent ) [Sat Jul 7 21:02:22 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: pdsk( UpToDate -> DUnknown ) repl( Established -> Off ) [Sat Jul 7 21:02:22 2018] drbd dhcp dhcp-master.dhcp: ack_receiver terminated [Sat Jul 7 21:02:22 2018] drbd dhcp dhcp-master.dhcp: Terminating ack_recv thread [Sat Jul 7 21:02:22 2018] drbd dhcp: Preparing cluster-wide state change 1083152536 (1->-1 0/0) [Sat Jul 7 21:02:22 2018] drbd dhcp: Committing cluster-wide state change 1083152536 (2ms) [Sat Jul 7 21:02:22 2018] drbd dhcp/0 drbd0: disk( Consistent -> UpToDate ) [Sat Jul 7 21:02:22 2018] drbd dhcp dhcp-master.dhcp: Connection closed [Sat Jul 7 21:02:22 2018] drbd dhcp dhcp-master.dhcp: conn( NetworkFailure -> Unconnected ) [Sat Jul 7 21:02:22 2018] drbd dhcp dhcp-master.dhcp: Restarting receiver thread [Sat Jul 7 21:02:22 2018] drbd dhcp dhcp-master.dhcp: conn( Unconnected -> Connecting ) [Sat Jul 7 21:02:30 2018] drbd dhcp dhcp-master.dhcp: Handshake to peer 0 successful: Agreed network protocol version 112 [Sat Jul 7 21:02:30 2018] drbd dhcp dhcp-master.dhcp: Feature flags enabled on protocol level: 0x7 TRIM THIN_RESYNC WRITE_SAME. [Sat Jul 7 21:02:30 2018] drbd dhcp dhcp-master.dhcp: Starting ack_recv thread (from drbd_r_dhcp [28952]) [Sat Jul 7 21:02:30 2018] drbd dhcp dhcp-master.dhcp: Preparing remote state change 1152846943 (primary_nodes=0, weak_nodes=0) [Sat Jul 7 21:02:30 2018] drbd dhcp dhcp-master.dhcp: Committing remote state change 1152846943 [Sat Jul 7 21:02:30 2018] drbd dhcp dhcp-master.dhcp: conn( Connecting -> Connected ) peer( Unknown -> Primary ) [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0: disk( UpToDate -> Outdated ) [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: drbd_sync_handshake: [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: self 0967822D6718C8AC:0000000000000000:323BE7D71FABECCC:44CD99B02FF92950 bits:0 flags:120 [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: uuid_compare()=-2 by rule 50 [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: pdsk( DUnknown -> UpToDate ) repl( Off -> WFBitMapT ) [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: receive bitmap stats [Bytes(packets)]: plain 0(0), RLE 29(1), total 29; compression: 100.0% [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: send bitmap stats [Bytes(packets)]: plain 0(0), RLE 29(1), total 29; compression: 100.0% [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: helper command: /sbin/drbdadm before-resync-target [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: helper command: /sbin/drbdadm before-resync-target exit code 0 (0x0) [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0: disk( Outdated -> Inconsistent ) [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: repl( WFBitMapT -> SyncTarget ) [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: Began resync as SyncTarget (will sync 12 KB [3 bits set]). [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: Resync done (total 1 sec; paused 0 sec; 12 K/sec) [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: updated UUIDs 64F87B33597A7F68:0000000000000000:0967822D6718C8AC:323BE7D71FABECCC [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0: disk( Inconsistent -> UpToDate ) [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: repl( SyncTarget -> Established ) [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: helper command: /sbin/drbdadm after-resync-target [Sat Jul 7 21:02:30 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: helper command: /sbin/drbdadm after-resync-target exit code 0 (0x0) [Sat Jul 7 21:02:38 2018] drbd dhcp: Preparing cluster-wide state change 3007526931 (1->0 496/16) [Sat Jul 7 21:02:38 2018] drbd dhcp: State change 3007526931: primary_nodes=1, weak_nodes=FFFFFFFFFFFFFFFE [Sat Jul 7 21:02:38 2018] drbd dhcp dhcp-master.dhcp: Cluster is now split [Sat Jul 7 21:02:38 2018] drbd dhcp: Committing cluster-wide state change 3007526931 (50ms) [Sat Jul 7 21:02:38 2018] drbd dhcp dhcp-master.dhcp: conn( Connected -> Disconnecting ) peer( Primary -> Unknown ) [Sat Jul 7 21:02:38 2018] drbd dhcp/0 drbd0: disk( UpToDate -> Outdated ) [Sat Jul 7 21:02:38 2018] drbd dhcp/0 drbd0 dhcp-master.dhcp: pdsk( UpToDate -> DUnknown ) repl( Established -> Off ) [Sat Jul 7 21:02:38 2018] drbd dhcp dhcp-master.dhcp: ack_receiver terminated [Sat Jul 7 21:02:38 2018] drbd dhcp dhcp-master.dhcp: Terminating ack_recv thread [Sat Jul 7 21:02:38 2018] drbd dhcp dhcp-master.dhcp: Connection closed [Sat Jul 7 21:02:38 2018] drbd dhcp dhcp-master.dhcp: conn( Disconnecting -> StandAlone ) [Sat Jul 7 21:02:38 2018] drbd dhcp dhcp-master.dhcp: Terminating receiver thread [Sat Jul 7 21:02:38 2018] drbd dhcp dhcp-master.dhcp: Terminating sender thread [Sat Jul 7 21:02:38 2018] drbd dhcp/0 drbd0: disk( Outdated -> Detaching ) [Sat Jul 7 21:02:38 2018] drbd dhcp/0 drbd0: disk( Detaching -> Diskless ) [Sat Jul 7 21:02:38 2018] drbd dhcp/0 drbd0: drbd_bm_resize called with capacity == 0 [Sat Jul 7 21:02:38 2018] drbd dhcp: Terminating worker thread ===================================================================== The version is: ===================================================================== [root@dhcp-slave ~]# drbdadm --version DRBDADM_BUILDTAG=GIT-hash:\ 3fc9d321f9f60e84d7dcdaac545fe8be4b280a63\ build\ by\ mockbuild@\,\ 2017-09-14\ 17:52:30 DRBDADM_API_VERSION=2 DRBD_KERNEL_VERSION_CODE=0x090009 DRBD_KERNEL_VERSION=9.0.9 DRBDADM_VERSION_CODE=0x090100 DRBDADM_VERSION=9.1.0 ===================================================================== Roman. _______________________________________________ drbd-user mailing list [email protected] http://lists.linbit.com/mailman/listinfo/drbd-user
