gistfile1.txt

[  878.029110] nfsd: last server has exited, flushing export cache
[  879.232932] XFS (drbd1): Unmounting Filesystem
[  879.360175] block drbd1: role( Primary -> Secondary ) 
[  879.377419] block drbd1: 0 KB (0 bits) marked out-of-sync by on disk bit-map.
[  879.526244] drbd data1: peer( Secondary -> Unknown ) conn( Connected -> Disconnecting ) pdsk( UpToDate -> DUnknown ) 
[  879.551284] drbd data1: ack_receiver terminated
[  879.552566] drbd data1: Terminating drbd_a_data1
[  879.567540] drbd data1: Connection closed
[  879.569665] drbd data1: conn( Disconnecting -> StandAlone ) 
[  879.571838] drbd data1: receiver terminated
[  879.573973] drbd data1: Terminating drbd_r_data1
[  879.574024] block drbd1: disk( UpToDate -> Failed ) 
[  879.583430] block drbd1: 0 KB (0 bits) marked out-of-sync by on disk bit-map.
[  879.585715] block drbd1: disk( Failed -> Diskless ) 
[  879.704230] drbd data1: Terminating drbd_w_data1