Apr 22 11:34:31 host01 kernel: drbd0: PingAck did not arrive in time.
Apr 22 11:34:31 host01 kernel: drbd0: peer( Secondary -> Unknown ) conn( Connected -> NetworkFailure ) pdsk( UpToDate -> DUnknown ) 
Apr 22 11:34:31 host01 kernel: drbd0: asender terminated
Apr 22 11:34:31 host01 kernel: drbd0: Terminating asender thread
Apr 22 11:34:31 host01 kernel: drbd0: short read expecting header on sock: r=-512
Apr 22 11:34:31 host01 kernel: drbd0: Creating new current UUID
Apr 22 11:34:31 host01 kernel: drbd0: Writing meta data super block now.
Apr 22 11:34:31 host01 kernel: drbd0: tl_clear()
Apr 22 11:34:31 host01 kernel: drbd0: Connection closed
Apr 22 11:34:31 host01 kernel: drbd0: conn( NetworkFailure -> Unconnected ) 
Apr 22 11:34:31 host01 kernel: drbd0: receiver terminated
Apr 22 11:34:31 host01 kernel: drbd0: receiver (re)started
Apr 22 11:34:31 host01 kernel: drbd0: conn( Unconnected -> WFConnection ) 
Apr 22 11:37:30 host01 kernel: drbd0: disk( Diskless -> Attaching ) 
Apr 22 11:37:30 host01 kernel: drbd0: Starting worker thread (from cqueue/2 [167])
Apr 22 11:37:30 host01 kernel: drbd0: Found 4 transactions (192 active extents) in activity log.
Apr 22 11:37:30 host01 kernel: drbd0: max_segment_size ( = BIO size ) = 32768
Apr 22 11:37:30 host01 kernel: drbd0: drbd_bm_resize called with capacity == 4247917152
Apr 22 11:37:30 host01 kernel: drbd0: resync bitmap: bits=530989644 words=8296714
Apr 22 11:37:30 host01 kernel: drbd0: size = 2026 GB (2123958576 KB)
Apr 22 11:37:30 host01 kernel: drbd0: reading of bitmap took 48 jiffies
Apr 22 11:37:30 host01 kernel: drbd0: recounting of set bits took additional 13 jiffies
Apr 22 11:37:30 host01 kernel: drbd0: 0 KB (0 bits) marked out-of-sync by on disk bit-map.
Apr 22 11:37:30 host01 kernel: drbd0: Marked additional 508 MB as out-of-sync based on AL.
Apr 22 11:37:30 host01 kernel: drbd0: disk( Attaching -> UpToDate ) 
Apr 22 11:37:30 host01 kernel: drbd0: Writing meta data super block now.
Apr 22 11:37:31 host01 kernel: drbd0: conn( StandAlone -> Unconnected ) 
Apr 22 11:37:31 host01 kernel: drbd0: Starting receiver thread (from drbd0_worker [5399])
Apr 22 11:37:31 host01 kernel: drbd0: receiver (re)started
Apr 22 11:37:31 host01 kernel: drbd0: conn( Unconnected -> WFConnection ) 
Apr 22 11:37:31 host01 kernel: drbd0: Handshake successful: Agreed network protocol version 88
Apr 22 11:37:31 host01 kernel: drbd0: conn( WFConnection -> WFReportParams ) 
Apr 22 11:37:31 host01 kernel: drbd0: Starting asender thread (from drbd0_receiver [5459])
Apr 22 11:37:31 host01 kernel: drbd0: data-integrity-alg: <not-used>
Apr 22 11:37:31 host01 kernel: drbd0: peer( Unknown -> Secondary ) conn( WFReportParams -> WFBitMapS ) pdsk( DUnknown -> UpToDate ) 
Apr 22 11:37:31 host01 kernel: drbd0: Writing meta data super block now.
Apr 22 11:37:33 host01 kernel: drbd0: conn( WFBitMapS -> SyncSource ) pdsk( UpToDate -> Inconsistent ) 
Apr 22 11:37:33 host01 kernel: drbd0: Began resync as SyncSource (will sync 520192 KB [130048 bits set]).
Apr 22 11:37:33 host01 kernel: drbd0: Writing meta data super block now.
Apr 22 11:37:44 host01 kernel: drbd0: Resync done (total 11 sec; paused 0 sec; 47288 K/sec)
Apr 22 11:37:44 host01 kernel: drbd0: conn( SyncSource -> Connected ) pdsk( Inconsistent -> UpToDate ) 
Apr 22 11:37:44 host01 kernel: drbd0: Writing meta data super block now.
Apr 22 11:38:35 host01 kernel: drbd0: PingAck did not arrive in time.
Apr 22 11:38:35 host01 kernel: drbd0: peer( Secondary -> Unknown ) conn( Connected -> NetworkFailure ) pdsk( UpToDate -> DUnknown ) 
Apr 22 11:38:35 host01 kernel: drbd0: asender terminated
Apr 22 11:38:35 host01 kernel: drbd0: Terminating asender thread
Apr 22 11:38:35 host01 kernel: drbd0: short read expecting header on sock: r=-512
Apr 22 11:38:35 host01 kernel: drbd0: Writing meta data super block now.
Apr 22 11:38:35 host01 kernel: drbd0: tl_clear()
Apr 22 11:38:35 host01 kernel: drbd0: Connection closed
Apr 22 11:38:35 host01 kernel: drbd0: conn( NetworkFailure -> Unconnected ) 
Apr 22 11:38:35 host01 kernel: drbd0: receiver terminated
Apr 22 11:38:35 host01 kernel: drbd0: receiver (re)started
Apr 22 11:38:35 host01 kernel: drbd0: conn( Unconnected -> WFConnection ) 
Apr 22 11:39:04 host01 kernel: drbd0: Handshake successful: Agreed network protocol version 88
Apr 22 11:39:04 host01 kernel: drbd0: conn( WFConnection -> WFReportParams ) 
Apr 22 11:39:04 host01 kernel: drbd0: Starting asender thread (from drbd0_receiver [5459])
Apr 22 11:39:04 host01 kernel: drbd0: data-integrity-alg: <not-used>
Apr 22 11:39:04 host01 kernel: drbd0: peer( Unknown -> Secondary ) conn( WFReportParams -> Connected ) pdsk( DUnknown -> UpToDate ) 
Apr 22 11:39:04 host01 kernel: drbd0: Writing meta data super block now.