[DRBD-user] DRBD full sync occuring intermittently

[Mona Sinha]

Hi,

We are using DRBD version: 8.3.8.1. Sometimes during the load test, we see
that full sync is occurring and could not find the reason behind it. Could
someone please help us?
Following are the logs:

DS1 server logs:
Aug 16 09:43:48 ds1 kernel: block drbd0: sock was shut down by peer
Aug 16 09:43:48 ds1 kernel: block drbd0: peer( Secondary -> Unknown ) conn(
Connected -> BrokenPipe ) pdsk( UpToDate -> DUnknown )
Aug 16 09:43:48 ds1 kernel: block drbd0: short read expecting header on
sock: r=0
Aug 16 09:43:48 ds1 kernel: block drbd0: meta connection shut down by peer.
Aug 16 09:43:48 ds1 kernel: block drbd0: asender terminated
Aug 16 09:43:48 ds1 kernel: block drbd0: Terminating asender thread
Aug 16 09:43:48 ds1 kernel: block drbd0: Creating new current UUID
Aug 16 09:43:48 ds1 kernel: block drbd0: Connection closed
Aug 16 09:43:48 ds1 kernel: block drbd0: helper command: /sbin/drbdadm
fence-peer minor-0
Aug 16 09:43:48 ds1 kernel: block drbd0: helper command: /sbin/drbdadm
fence-peer minor-0 exit code 3 (0x300)
Aug 16 09:43:48 ds1 kernel: block drbd0: fence-peer helper returned 3 (peer
is inconsistent or worse)
Aug 16 09:43:48 ds1 kernel: block drbd0: pdsk( DUnknown -> Inconsistent )
Aug 16 09:43:48 ds1 kernel: block drbd0: conn( BrokenPipe -> Unconnected )
Aug 16 09:43:48 ds1 kernel: block drbd0: receiver terminated
Aug 16 09:43:48 ds1 kernel: block drbd0: Restarting receiver thread
Aug 16 09:43:48 ds1 kernel: block drbd0: receiver (re)started
Aug 16 09:43:48 ds1 kernel: block drbd0: conn( Unconnected -> WFConnection
)
Aug 16 09:43:49 ds1 kernel: block drbd0: Handshake successful: Agreed
network protocol version 94
Aug 16 09:43:49 ds1 kernel: block drbd0: Peer authenticated using 20 bytes
of 'sha1' HMAC
Aug 16 09:43:49 ds1 kernel: block drbd0: conn( WFConnection ->
WFReportParams )
Aug 16 09:43:49 ds1 kernel: block drbd0: Starting asender thread (from
drbd0_receiver [1936])
Aug 16 09:43:49 ds1 kernel: block drbd0: data-integrity-alg: md5
Aug 16 09:43:49 ds1 kernel: block drbd0: drbd_sync_handshake:
Aug 16 09:43:49 ds1 kernel: block drbd0: self
DDFB18D6EB2E028F:E032934D203A9C59:5240126163B88097:39B1BC72750AF8BB bits:90
flags:0
Aug 16 09:43:49 ds1 kernel: block drbd0: peer
E032934D203A9C58:0000000000000000:5240126163B88096:39B1BC72750AF8BB bits:0
flags:0
Aug 16 09:43:49 ds1 kernel: block drbd0: uuid_compare()=1 by rule 70
Aug 16 09:43:49 ds1 kernel: block drbd0: peer( Unknown -> Secondary ) conn(
WFReportParams -> WFBitMapS ) pdsk( Inconsistent -> UpToDate )
Aug 16 09:43:49 ds1 kernel: block drbd0: conn( WFBitMapS -> SyncSource )
pdsk( UpToDate -> Inconsistent )
Aug 16 09:43:49 ds1 kernel: block drbd0: Began resync as SyncSource (will
sync 364 KB [91 bits set]).
Aug 16 09:43:49 ds1 kernel: block drbd0: Resync done (total 1 sec; paused 0
sec; 364 K/sec)
Aug 16 09:43:49 ds1 kernel: block drbd0: conn( SyncSource -> Connected )
pdsk( Inconsistent -> UpToDate )
Aug 16 09:44:02 ds1 ASAudit: getRSAPublicKey;Acc;Domain 0;Session
0;Function getRSAPublicKey;Client LocalAdmin;User -;Function Access
Allowed;1
Aug 16 09:44:08 ds1 stunnel: LOG5[4959]: Service [rsync] accepted
connection from 10.72.201.42:34243
Aug 16 09:44:08 ds1 stunnel: LOG5[4959]: s_connect: connected 127.0.0.1:3211
Aug 16 09:44:08 ds1 stunnel: LOG5[4959]: Service [rsync] connected remote
server from 127.0.0.1:40459
Aug 16 09:44:09 ds1 rsyncd[28296]: connect from localhost (127.0.0.1)
Aug 16 09:44:09 ds1 rsyncd[28296]: rsync on database/ from
mysqlSync at localhost (127.0.0.1)
Aug 16 09:44:09 ds1 rsyncd[28296]: building file list
Aug 16 09:46:02 ds1 ASAudit: getRSAPublicKey;Acc;Domain 0;Session
0;Function getRSAPublicKey;Client LocalAdmin;User -;Function Access
Allowed;1
Aug 16 09:48:02 ds1 ASAudit: getRSAPublicKey;Acc;Domain 0;Session
0;Function getRSAPublicKey;Client LocalAdmin;User -;Function Access
Allowed;1
Aug 16 09:48:06 ds1 rsyncd[28296]: sent 360991748 bytes  received 2402541
bytes  total size 7127101188
Aug 16 09:48:07 ds1 stunnel: LOG5[4959]: Connection closed: 360991820
byte(s) sent to SSL, 2402661 byte(s) sent to socket
Aug 16 09:48:25 ds1 kernel: block drbd0: meta connection shut down by peer.
Aug 16 09:48:25 ds1 kernel: block drbd0: sock was shut down by peer
Aug 16 09:48:25 ds1 kernel: block drbd0: peer( Secondary -> Unknown ) conn(
Connected -> NetworkFailure ) pdsk( UpToDate -> DUnknown )
Aug 16 09:48:25 ds1 kernel: block drbd0: asender terminated
Aug 16 09:48:25 ds1 kernel: block drbd0: short read expecting header on
sock: r=0
Aug 16 09:48:25 ds1 kernel: block drbd0: Terminating asender thread
Aug 16 09:48:25 ds1 kernel: block drbd0: Creating new current UUID
Aug 16 09:48:25 ds1 kernel: block drbd0: Connection closed
Aug 16 09:48:25 ds1 kernel: block drbd0: helper command: /sbin/drbdadm
fence-peer minor-0
Aug 16 09:48:25 ds1 kernel: block drbd0: helper command: /sbin/drbdadm
fence-peer minor-0 exit code 3 (0x300)
Aug 16 09:48:25 ds1 kernel: block drbd0: fence-peer helper returned 3 (peer
is inconsistent or worse)
Aug 16 09:48:25 ds1 kernel: block drbd0: pdsk( DUnknown -> Inconsistent )
Aug 16 09:48:25 ds1 kernel: block drbd0: conn( NetworkFailure ->
Unconnected )
Aug 16 09:48:25 ds1 kernel: block drbd0: receiver terminated
Aug 16 09:48:25 ds1 kernel: block drbd0: Restarting receiver thread
Aug 16 09:48:25 ds1 kernel: block drbd0: receiver (re)started
Aug 16 09:48:25 ds1 kernel: block drbd0: conn( Unconnected -> WFConnection
)
Aug 16 09:48:26 ds1 kernel: block drbd0: Handshake successful: Agreed
network protocol version 94
Aug 16 09:48:26 ds1 kernel: block drbd0: Peer authenticated using 20 bytes
of 'sha1' HMAC
Aug 16 09:48:26 ds1 kernel: block drbd0: conn( WFConnection ->
WFReportParams )
Aug 16 09:48:26 ds1 kernel: block drbd0: Starting asender thread (from
drbd0_receiver [1936])
Aug 16 09:48:26 ds1 kernel: block drbd0: data-integrity-alg: md5
Aug 16 09:48:26 ds1 kernel: block drbd0: drbd_sync_handshake:
Aug 16 09:48:26 ds1 kernel: block drbd0: self
8E17016DF07BB6DB:DDFB18D6EB2E028F:0DAB6B0C9F262424:E032934D203A9C59
bits:212 flags:0
Aug 16 09:48:26 ds1 kernel: block drbd0: peer
DDFB18D6EB2E028E:0000000000000000:0DAB6B0C9F262424:E032934D203A9C59 bits:0
flags:0
Aug 16 09:48:26 ds1 kernel: block drbd0: uuid_compare()=1 by rule 70
Aug 16 09:48:26 ds1 kernel: block drbd0: peer( Unknown -> Secondary ) conn(
WFReportParams -> WFBitMapS ) pdsk( Inconsistent -> UpToDate )
Aug 16 09:48:26 ds1 kernel: block drbd0: conn( WFBitMapS -> SyncSource )
pdsk( UpToDate -> Inconsistent )
Aug 16 09:48:26 ds1 kernel: block drbd0: Began resync as SyncSource (will
sync 848 KB [212 bits set]).
Aug 16 09:48:26 ds1 kernel: block drbd0: Resync done (total 1 sec; paused 0
sec; 848 K/sec)
Aug 16 09:48:26 ds1 kernel: block drbd0: conn( SyncSource -> Connected )
pdsk( Inconsistent -> UpToDate )
Aug 16 09:48:37 ds1 kernel: block drbd0: meta connection shut down by peer.
Aug 16 09:48:37 ds1 kernel: block drbd0: peer( Secondary -> Unknown ) conn(
Connected -> NetworkFailure ) pdsk( UpToDate -> DUnknown )
Aug 16 09:48:37 ds1 kernel: block drbd0: asender terminated
Aug 16 09:48:37 ds1 kernel: block drbd0: Terminating asender thread
Aug 16 09:48:37 ds1 kernel: block drbd0: sock was shut down by peer
Aug 16 09:48:37 ds1 kernel: block drbd0: short read expecting header on
sock: r=0
Aug 16 09:48:37 ds1 kernel: block drbd0: Creating new current UUID
Aug 16 09:48:37 ds1 kernel: block drbd0: Connection closed
Aug 16 09:48:37 ds1 kernel: block drbd0: helper command: /sbin/drbdadm
fence-peer minor-0
Aug 16 09:48:37 ds1 kernel: block drbd0: helper command: /sbin/drbdadm
fence-peer minor-0 exit code 3 (0x300)
Aug 16 09:48:37 ds1 kernel: block drbd0: fence-peer helper returned 3 (peer
is inconsistent or worse)
Aug 16 09:48:37 ds1 kernel: block drbd0: pdsk( DUnknown -> Inconsistent )
Aug 16 09:48:37 ds1 kernel: block drbd0: conn( NetworkFailure ->
Unconnected )
Aug 16 09:48:37 ds1 kernel: block drbd0: receiver terminated
Aug 16 09:48:37 ds1 kernel: block drbd0: Restarting receiver thread
Aug 16 09:48:37 ds1 kernel: block drbd0: receiver (re)started
Aug 16 09:48:37 ds1 kernel: block drbd0: conn( Unconnected -> WFConnection
)
Aug 16 09:48:37 ds1 kernel: block drbd0: Handshake successful: Agreed
network protocol version 94
Aug 16 09:48:37 ds1 kernel: block drbd0: Peer authenticated using 20 bytes
of 'sha1' HMAC
Aug 16 09:48:37 ds1 kernel: block drbd0: conn( WFConnection ->
WFReportParams )
Aug 16 09:48:37 ds1 kernel: block drbd0: Starting asender thread (from
drbd0_receiver [1936])
Aug 16 09:48:37 ds1 kernel: block drbd0: data-integrity-alg: md5
Aug 16 09:48:37 ds1 kernel: block drbd0: drbd_sync_handshake:
Aug 16 09:48:37 ds1 kernel: block drbd0: self
B91375FA89E81E3F:8E17016DF07BB6DB:72F9C545E7729055:DDFB18D6EB2E028F bits:75
flags:0
Aug 16 09:48:37 ds1 kernel: block drbd0: peer
8E17016DF07BB6DA:0000000000000000:72F9C545E7729054:DDFB18D6EB2E028F bits:0
flags:0
Aug 16 09:48:37 ds1 kernel: block drbd0: uuid_compare()=1 by rule 70
Aug 16 09:48:37 ds1 kernel: block drbd0: peer( Unknown -> Secondary ) conn(
WFReportParams -> WFBitMapS ) pdsk( Inconsistent -> UpToDate )
Aug 16 09:48:37 ds1 kernel: block drbd0: conn( WFBitMapS -> SyncSource )
pdsk( UpToDate -> Inconsistent )
Aug 16 09:48:37 ds1 kernel: block drbd0: Began resync as SyncSource (will
sync 304 KB [76 bits set]).
Aug 16 09:48:38 ds1 kernel: block drbd0: Resync done (total 1 sec; paused 0
sec; 304 K/sec)
Aug 16 09:48:38 ds1 kernel: block drbd0: conn( SyncSource -> Connected )
pdsk( Inconsistent -> UpToDate )
Aug 16 09:48:39 ds1 kernel: block drbd0: meta connection shut down by peer.
Aug 16 09:48:39 ds1 kernel: block drbd0: peer( Secondary -> Unknown ) conn(
Connected -> NetworkFailure ) pdsk( UpToDate -> DUnknown )
Aug 16 09:48:39 ds1 kernel: block drbd0: asender terminated
Aug 16 09:48:39 ds1 kernel: block drbd0: Terminating asender thread
Aug 16 09:48:39 ds1 kernel: block drbd0: sock was shut down by peer
Aug 16 09:48:39 ds1 kernel: block drbd0: short read expecting header on
sock: r=0
Aug 16 09:48:39 ds1 kernel: block drbd0: Creating new current UUID
Aug 16 09:48:39 ds1 kernel: block drbd0: Connection closed
Aug 16 09:48:39 ds1 kernel: block drbd0: helper command: /sbin/drbdadm
fence-peer minor-0
Aug 16 09:48:39 ds1 kernel: block drbd0: helper command: /sbin/drbdadm
fence-peer minor-0 exit code 3 (0x300)
Aug 16 09:48:39 ds1 kernel: block drbd0: fence-peer helper returned 3 (peer
is inconsistent or worse)
Aug 16 09:48:39 ds1 kernel: block drbd0: pdsk( DUnknown -> Inconsistent )
Aug 16 09:48:39 ds1 kernel: block drbd0: conn( NetworkFailure ->
Unconnected )
Aug 16 09:48:39 ds1 kernel: block drbd0: receiver terminated
Aug 16 09:48:39 ds1 kernel: block drbd0: Restarting receiver thread
Aug 16 09:48:39 ds1 kernel: block drbd0: receiver (re)started
Aug 16 09:48:39 ds1 kernel: block drbd0: conn( Unconnected -> WFConnection
)
Aug 16 09:48:39 ds1 kernel: block drbd0: Handshake successful: Agreed
network protocol version 94
Aug 16 09:48:39 ds1 kernel: block drbd0: Peer authenticated using 20 bytes
of 'sha1' HMAC
Aug 16 09:48:39 ds1 kernel: block drbd0: conn( WFConnection ->
WFReportParams )
Aug 16 09:48:39 ds1 kernel: block drbd0: Starting asender thread (from
drbd0_receiver [1936])
Aug 16 09:48:39 ds1 kernel: block drbd0: data-integrity-alg: md5
Aug 16 09:48:39 ds1 kernel: block drbd0: drbd_sync_handshake:
Aug 16 09:48:39 ds1 kernel: block drbd0: self
81A6D1484F953EC9:B91375FA89E81E3F:4D2268F767B329F8:8E17016DF07BB6DB
bits:158 flags:0
Aug 16 09:48:39 ds1 kernel: block drbd0: peer
4D2268F767B329F8:0000000000000000:72F9C545E7729054:DDFB18D6EB2E028F bits:0
flags:0
Aug 16 09:48:39 ds1 kernel: block drbd0: uuid_compare()=2 by rule 80
Aug 16 09:48:39 ds1 kernel: block drbd0: Becoming sync source due to disk
states.
Aug 16 09:48:39 ds1 kernel: block drbd0: Writing the whole bitmap, full
sync required after drbd_sync_handshake.
Aug 16 09:48:39 ds1 kernel: block drbd0: 278 GB (72995107 bits) marked
out-of-sync by on disk bit-map.
Aug 16 09:48:39 ds1 kernel: block drbd0: peer( Unknown -> Secondary ) conn(
WFReportParams -> WFBitMapS )
Aug 16 09:48:39 ds1 kernel: block drbd0: conn( WFBitMapS -> SyncSource )
Aug 16 09:48:39 ds1 kernel: block drbd0: Began resync as SyncSource (will
sync 291980428 KB [72995107 bits set]).
Aug 16 09:49:42 ds1 kernel: block drbd0: meta connection shut down by peer.
Aug 16 09:49:42 ds1 kernel: block drbd0: peer( Secondary -> Unknown ) conn(
SyncSource -> NetworkFailure )
Aug 16 09:49:42 ds1 kernel: block drbd0: asender terminated
Aug 16 09:49:42 ds1 kernel: block drbd0: Terminating asender thread
Aug 16 09:49:42 ds1 kernel: block drbd0: Connection closed
Aug 16 09:49:42 ds1 kernel: block drbd0: conn( NetworkFailure ->
Unconnected )
Aug 16 09:49:42 ds1 kernel: block drbd0: net_ee not empty, killed 163
entries
Aug 16 09:49:42 ds1 kernel: block drbd0: receiver terminated
Aug 16 09:49:42 ds1 kernel: block drbd0: Restarting receiver thread
Aug 16 09:49:42 ds1 kernel: block drbd0: receiver (re)started
Aug 16 09:49:42 ds1 kernel: block drbd0: conn( Unconnected -> WFConnection
)
Aug 16 09:49:42 ds1 kernel: block drbd0: Handshake successful: Agreed
network protocol version 94
Aug 16 09:49:42 ds1 kernel: block drbd0: Peer authenticated using 20 bytes
of 'sha1' HMAC
Aug 16 09:49:42 ds1 kernel: block drbd0: conn( WFConnection ->
WFReportParams )
Aug 16 09:49:42 ds1 kernel: block drbd0: Starting asender thread (from
drbd0_receiver [1936])
Aug 16 09:49:42 ds1 kernel: block drbd0: data-integrity-alg: md5
Aug 16 09:49:42 ds1 kernel: block drbd0: drbd_sync_handshake:
Aug 16 09:49:42 ds1 kernel: block drbd0: self
81A6D1484F953EC9:200CF3956DE539E5:B91375FA89E81E3F:4D2268F767B329F8
bits:71849276 flags:0
Aug 16 09:49:42 ds1 kernel: block drbd0: peer
200CF3956DE539E4:0000000000000000:72F9C545E7729054:DDFB18D6EB2E028F
bits:71848592 flags:0
Aug 16 09:49:42 ds1 kernel: block drbd0: uuid_compare()=1 by rule 70
Aug 16 09:49:42 ds1 kernel: block drbd0: Becoming sync source due to disk
states.
Aug 16 09:49:42 ds1 kernel: block drbd0: peer( Unknown -> Secondary ) conn(
WFReportParams -> WFBitMapS )
Aug 16 09:49:42 ds1 kernel: block drbd0: conn( WFBitMapS -> SyncSource )
Aug 16 09:49:42 ds1 kernel: block drbd0: Began resync as SyncSource (will
sync 287397104 KB [71849276 bits set]).
Aug 16 09:50:01 ds1 ASError: cronDrbdStatus.sh;DRBD status:  0:
cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r----;2

DS2 server logs:

Aug 16 09:43:48 ds2 kernel: block drbd0: Digest integrity check FAILED.
Aug 16 09:43:48 ds2 kernel: block drbd0: error receiving Data, l: 4136!
Aug 16 09:43:48 ds2 kernel: block drbd0: peer( Primary -> Unknown ) conn(
Connected -> ProtocolError ) pdsk( UpToDate -> DUnknown )
Aug 16 09:43:48 ds2 kernel: block drbd0: asender terminated
Aug 16 09:43:48 ds2 kernel: block drbd0: Terminating asender thread
Aug 16 09:43:48 ds2 kernel: block drbd0: Connection closed
Aug 16 09:43:48 ds2 kernel: block drbd0: conn( ProtocolError -> Unconnected
)
Aug 16 09:43:48 ds2 kernel: block drbd0: receiver terminated
Aug 16 09:43:48 ds2 kernel: block drbd0: Restarting receiver thread
Aug 16 09:43:48 ds2 kernel: block drbd0: receiver (re)started
Aug 16 09:43:48 ds2 kernel: block drbd0: conn( Unconnected -> WFConnection
)
Aug 16 09:43:49 ds2 kernel: block drbd0: Handshake successful: Agreed
network protocol version 94
Aug 16 09:43:49 ds2 kernel: block drbd0: Peer authenticated using 20 bytes
of 'sha1' HMAC
Aug 16 09:43:49 ds2 kernel: block drbd0: conn( WFConnection ->
WFReportParams )
Aug 16 09:43:49 ds2 kernel: block drbd0: Starting asender thread (from
drbd0_receiver [1889])
Aug 16 09:43:49 ds2 kernel: block drbd0: data-integrity-alg: md5
Aug 16 09:43:49 ds2 kernel: block drbd0: drbd_sync_handshake:
Aug 16 09:43:49 ds2 kernel: block drbd0: self
E032934D203A9C58:0000000000000000:5240126163B88096:39B1BC72750AF8BB bits:0
flags:0
Aug 16 09:43:49 ds2 kernel: block drbd0: peer
DDFB18D6EB2E028F:E032934D203A9C59:5240126163B88097:39B1BC72750AF8BB bits:90
flags:0
Aug 16 09:43:49 ds2 kernel: block drbd0: uuid_compare()=-1 by rule 50
Aug 16 09:43:49 ds2 kernel: block drbd0: peer( Unknown -> Primary ) conn(
WFReportParams -> WFBitMapT ) pdsk( DUnknown -> UpToDate )
Aug 16 09:43:49 ds2 kernel: block drbd0: conn( WFBitMapT -> WFSyncUUID )
Aug 16 09:43:49 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0
Aug 16 09:43:49 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0 exit code 0 (0x0)
Aug 16 09:43:49 ds2 kernel: block drbd0: conn( WFSyncUUID -> SyncTarget )
disk( UpToDate -> Inconsistent )
Aug 16 09:43:49 ds2 kernel: block drbd0: Began resync as SyncTarget (will
sync 364 KB [91 bits set]).
Aug 16 09:43:49 ds2 kernel: block drbd0: Resync done (total 1 sec; paused 0
sec; 364 K/sec)
Aug 16 09:43:49 ds2 kernel: block drbd0: conn( SyncTarget -> Connected )
disk( Inconsistent -> UpToDate )
Aug 16 09:43:49 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
after-resync-target minor-0
Aug 16 09:43:49 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
after-resync-target minor-0 exit code 0 (0x0)
Aug 16 09:48:25 ds2 kernel: block drbd0: Digest integrity check FAILED.
Aug 16 09:48:25 ds2 kernel: block drbd0: error receiving Data, l: 4136!
Aug 16 09:48:25 ds2 kernel: block drbd0: peer( Primary -> Unknown ) conn(
Connected -> ProtocolError ) pdsk( UpToDate -> DUnknown )
Aug 16 09:48:25 ds2 kernel: block drbd0: asender terminated
Aug 16 09:48:25 ds2 kernel: block drbd0: Terminating asender thread
Aug 16 09:48:26 ds2 kernel: block drbd0: Connection closed
Aug 16 09:48:26 ds2 kernel: block drbd0: conn( ProtocolError -> Unconnected
)
Aug 16 09:48:26 ds2 kernel: block drbd0: receiver terminated
Aug 16 09:48:26 ds2 kernel: block drbd0: Restarting receiver thread
Aug 16 09:48:26 ds2 kernel: block drbd0: receiver (re)started
Aug 16 09:48:26 ds2 kernel: block drbd0: conn( Unconnected -> WFConnection
)
Aug 16 09:48:26 ds2 kernel: block drbd0: Handshake successful: Agreed
network protocol version 94
Aug 16 09:48:26 ds2 kernel: block drbd0: Peer authenticated using 20 bytes
of 'sha1' HMAC
Aug 16 09:48:26 ds2 kernel: block drbd0: conn( WFConnection ->
WFReportParams )
Aug 16 09:48:26 ds2 kernel: block drbd0: Starting asender thread (from
drbd0_receiver [1889])
Aug 16 09:48:26 ds2 kernel: block drbd0: data-integrity-alg: md5
Aug 16 09:48:26 ds2 kernel: block drbd0: drbd_sync_handshake:
Aug 16 09:48:26 ds2 kernel: block drbd0: self
DDFB18D6EB2E028E:0000000000000000:0DAB6B0C9F262424:E032934D203A9C59 bits:0
flags:0
Aug 16 09:48:26 ds2 kernel: block drbd0: peer
8E17016DF07BB6DB:DDFB18D6EB2E028F:0DAB6B0C9F262424:E032934D203A9C59
bits:212 flags:0
Aug 16 09:48:26 ds2 kernel: block drbd0: uuid_compare()=-1 by rule 50
Aug 16 09:48:26 ds2 kernel: block drbd0: peer( Unknown -> Primary ) conn(
WFReportParams -> WFBitMapT ) pdsk( DUnknown -> UpToDate )
Aug 16 09:48:26 ds2 kernel: block drbd0: conn( WFBitMapT -> WFSyncUUID )
Aug 16 09:48:26 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0
Aug 16 09:48:26 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0 exit code 0 (0x0)
Aug 16 09:48:26 ds2 kernel: block drbd0: conn( WFSyncUUID -> SyncTarget )
disk( UpToDate -> Inconsistent )
Aug 16 09:48:26 ds2 kernel: block drbd0: Began resync as SyncTarget (will
sync 848 KB [212 bits set]).
Aug 16 09:48:26 ds2 kernel: block drbd0: Resync done (total 1 sec; paused 0
sec; 848 K/sec)
Aug 16 09:48:26 ds2 kernel: block drbd0: conn( SyncTarget -> Connected )
disk( Inconsistent -> UpToDate )
Aug 16 09:48:26 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
after-resync-target minor-0
Aug 16 09:48:26 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
after-resync-target minor-0 exit code 0 (0x0)
Aug 16 09:48:37 ds2 kernel: block drbd0: Digest integrity check FAILED.
Aug 16 09:48:37 ds2 kernel: block drbd0: error receiving Data, l: 4136!
Aug 16 09:48:37 ds2 kernel: block drbd0: peer( Primary -> Unknown ) conn(
Connected -> ProtocolError ) pdsk( UpToDate -> DUnknown )
Aug 16 09:48:37 ds2 kernel: block drbd0: asender terminated
Aug 16 09:48:37 ds2 kernel: block drbd0: Terminating asender thread
Aug 16 09:48:37 ds2 kernel: block drbd0: Connection closed
Aug 16 09:48:37 ds2 kernel: block drbd0: conn( ProtocolError -> Unconnected
)
Aug 16 09:48:37 ds2 kernel: block drbd0: receiver terminated
Aug 16 09:48:37 ds2 kernel: block drbd0: Restarting receiver thread
Aug 16 09:48:37 ds2 kernel: block drbd0: receiver (re)started
Aug 16 09:48:37 ds2 kernel: block drbd0: conn( Unconnected -> WFConnection
)
Aug 16 09:48:37 ds2 kernel: block drbd0: Handshake successful: Agreed
network protocol version 94
Aug 16 09:48:37 ds2 kernel: block drbd0: Peer authenticated using 20 bytes
of 'sha1' HMAC
Aug 16 09:48:37 ds2 kernel: block drbd0: conn( WFConnection ->
WFReportParams )
Aug 16 09:48:37 ds2 kernel: block drbd0: Starting asender thread (from
drbd0_receiver [1889])
Aug 16 09:48:37 ds2 kernel: block drbd0: data-integrity-alg: md5
Aug 16 09:48:37 ds2 kernel: block drbd0: drbd_sync_handshake:
Aug 16 09:48:37 ds2 kernel: block drbd0: self
8E17016DF07BB6DA:0000000000000000:72F9C545E7729054:DDFB18D6EB2E028F bits:0
flags:0
Aug 16 09:48:37 ds2 kernel: block drbd0: peer
B91375FA89E81E3F:8E17016DF07BB6DB:72F9C545E7729055:DDFB18D6EB2E028F bits:75
flags:0
Aug 16 09:48:37 ds2 kernel: block drbd0: uuid_compare()=-1 by rule 50
Aug 16 09:48:37 ds2 kernel: block drbd0: peer( Unknown -> Primary ) conn(
WFReportParams -> WFBitMapT ) pdsk( DUnknown -> UpToDate )
Aug 16 09:48:37 ds2 kernel: block drbd0: conn( WFBitMapT -> WFSyncUUID )
Aug 16 09:48:37 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0
Aug 16 09:48:37 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0 exit code 0 (0x0)
Aug 16 09:48:37 ds2 kernel: block drbd0: conn( WFSyncUUID -> SyncTarget )
disk( UpToDate -> Inconsistent )
Aug 16 09:48:37 ds2 kernel: block drbd0: Began resync as SyncTarget (will
sync 304 KB [76 bits set]).
Aug 16 09:48:39 ds2 kernel: block drbd0: Digest integrity check FAILED.
Aug 16 09:48:39 ds2 kernel: block drbd0: error receiving Data, l: 4136!
Aug 16 09:48:39 ds2 kernel: block drbd0: peer( Primary -> Unknown ) conn(
SyncTarget -> ProtocolError ) pdsk( UpToDate -> DUnknown )
Aug 16 09:48:39 ds2 kernel: block drbd0: asender terminated
Aug 16 09:48:39 ds2 kernel: block drbd0: Terminating asender thread
Aug 16 09:48:39 ds2 kernel: block drbd0: Connection closed
Aug 16 09:48:39 ds2 kernel: block drbd0: conn( ProtocolError -> Unconnected
)
Aug 16 09:48:39 ds2 kernel: block drbd0: receiver terminated
Aug 16 09:48:39 ds2 kernel: block drbd0: Restarting receiver thread
Aug 16 09:48:39 ds2 kernel: block drbd0: receiver (re)started
Aug 16 09:48:39 ds2 kernel: block drbd0: conn( Unconnected -> WFConnection
)
Aug 16 09:48:39 ds2 kernel: block drbd0: Handshake successful: Agreed
network protocol version 94
Aug 16 09:48:39 ds2 kernel: block drbd0: Peer authenticated using 20 bytes
of 'sha1' HMAC
Aug 16 09:48:39 ds2 kernel: block drbd0: conn( WFConnection ->
WFReportParams )
Aug 16 09:48:39 ds2 kernel: block drbd0: Starting asender thread (from
drbd0_receiver [1889])
Aug 16 09:48:39 ds2 kernel: block drbd0: data-integrity-alg: md5
Aug 16 09:48:39 ds2 kernel: block drbd0: drbd_sync_handshake:
Aug 16 09:48:39 ds2 kernel: block drbd0: self
4D2268F767B329F8:0000000000000000:72F9C545E7729054:DDFB18D6EB2E028F bits:0
flags:0
Aug 16 09:48:39 ds2 kernel: block drbd0: peer
81A6D1484F953EC9:B91375FA89E81E3F:4D2268F767B329F8:8E17016DF07BB6DB
bits:158 flags:0
Aug 16 09:48:39 ds2 kernel: block drbd0: uuid_compare()=-2 by rule 60
Aug 16 09:48:39 ds2 kernel: block drbd0: Becoming sync target due to disk
states.
Aug 16 09:48:39 ds2 kernel: block drbd0: Writing the whole bitmap, full
sync required after drbd_sync_handshake.
Aug 16 09:48:39 ds2 kernel: block drbd0: 278 GB (72995107 bits) marked
out-of-sync by on disk bit-map.
Aug 16 09:48:39 ds2 kernel: block drbd0: peer( Unknown -> Primary ) conn(
WFReportParams -> WFBitMapT ) pdsk( DUnknown -> UpToDate )
Aug 16 09:48:39 ds2 kernel: block drbd0: conn( WFBitMapT -> WFSyncUUID )
Aug 16 09:48:39 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0
Aug 16 09:48:39 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0 exit code 0 (0x0)
Aug 16 09:48:39 ds2 kernel: block drbd0: conn( WFSyncUUID -> SyncTarget )
Aug 16 09:48:39 ds2 kernel: block drbd0: Began resync as SyncTarget (will
sync 291980428 KB [72995107 bits set]).
Aug 16 09:49:42 ds2 kernel: block drbd0: Digest integrity check FAILED.
Aug 16 09:49:42 ds2 kernel: block drbd0: error receiving Data, l: 4136!
Aug 16 09:49:42 ds2 kernel: block drbd0: peer( Primary -> Unknown ) conn(
SyncTarget -> ProtocolError ) pdsk( UpToDate -> DUnknown )
Aug 16 09:49:42 ds2 kernel: block drbd0: asender terminated
Aug 16 09:49:42 ds2 kernel: block drbd0: Terminating asender thread
Aug 16 09:49:42 ds2 kernel: block drbd0: Connection closed
Aug 16 09:49:42 ds2 kernel: block drbd0: conn( ProtocolError -> Unconnected
)
Aug 16 09:49:42 ds2 kernel: block drbd0: receiver terminated
Aug 16 09:49:42 ds2 kernel: block drbd0: Restarting receiver thread
Aug 16 09:49:42 ds2 kernel: block drbd0: receiver (re)started
Aug 16 09:49:42 ds2 kernel: block drbd0: conn( Unconnected -> WFConnection
)
Aug 16 09:49:42 ds2 kernel: block drbd0: cs:WFConnection rs_left=71848592 >
rs_total=0 (rs_failed 0)
Aug 16 09:49:42 ds2 kernel: block drbd0: Handshake successful: Agreed
network protocol version 94
Aug 16 09:49:42 ds2 kernel: block drbd0: Peer authenticated using 20 bytes
of 'sha1' HMAC
Aug 16 09:49:42 ds2 kernel: block drbd0: conn( WFConnection ->
WFReportParams )
Aug 16 09:49:42 ds2 kernel: block drbd0: Starting asender thread (from
drbd0_receiver [1889])
Aug 16 09:49:42 ds2 kernel: block drbd0: data-integrity-alg: md5
Aug 16 09:49:42 ds2 kernel: block drbd0: drbd_sync_handshake:
Aug 16 09:49:42 ds2 kernel: block drbd0: self
200CF3956DE539E4:0000000000000000:72F9C545E7729054:DDFB18D6EB2E028F
bits:71848592 flags:0
Aug 16 09:49:42 ds2 kernel: block drbd0: peer
81A6D1484F953EC9:200CF3956DE539E5:B91375FA89E81E3F:4D2268F767B329F8
bits:71849276 flags:0
Aug 16 09:49:42 ds2 kernel: block drbd0: uuid_compare()=-1 by rule 50
Aug 16 09:49:42 ds2 kernel: block drbd0: Becoming sync target due to disk
states.
Aug 16 09:49:42 ds2 kernel: block drbd0: peer( Unknown -> Primary ) conn(
WFReportParams -> WFBitMapT ) pdsk( DUnknown -> UpToDate )
Aug 16 09:49:42 ds2 kernel: block drbd0: conn( WFBitMapT -> WFSyncUUID )
Aug 16 09:49:42 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0
Aug 16 09:49:42 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0 exit code 0 (0x0)
Aug 16 09:49:42 ds2 kernel: block drbd0: conn( WFSyncUUID -> SyncTarget )
Aug 16 09:49:42 ds2 kernel: block drbd0: Began resync as SyncTarget (will
sync 287397104 KB [71849276 bits set]).
Aug 16 09:50:02 ds2 kernel: block drbd0: Digest integrity check FAILED.
Aug 16 09:50:02 ds2 kernel: block drbd0: error receiving Data, l: 4136!
Aug 16 09:50:02 ds2 kernel: block drbd0: peer( Primary -> Unknown ) conn(
SyncTarget -> ProtocolError ) pdsk( UpToDate -> DUnknown )
Aug 16 09:50:02 ds2 kernel: block drbd0: asender terminated
Aug 16 09:50:02 ds2 kernel: block drbd0: Terminating asender thread
Aug 16 09:50:02 ds2 kernel: block drbd0: Connection closed
Aug 16 09:50:02 ds2 kernel: block drbd0: conn( ProtocolError -> Unconnected
)
Aug 16 09:50:02 ds2 kernel: block drbd0: receiver terminated
Aug 16 09:50:02 ds2 kernel: block drbd0: Restarting receiver thread
Aug 16 09:50:02 ds2 kernel: block drbd0: receiver (re)started
Aug 16 09:50:02 ds2 kernel: block drbd0: conn( Unconnected -> WFConnection
)
Aug 16 09:50:03 ds2 kernel: block drbd0: Handshake successful: Agreed
network protocol version 94
Aug 16 09:50:03 ds2 kernel: block drbd0: Peer authenticated using 20 bytes
of 'sha1' HMAC
Aug 16 09:50:03 ds2 kernel: block drbd0: conn( WFConnection ->
WFReportParams )
Aug 16 09:50:03 ds2 kernel: block drbd0: Starting asender thread (from
drbd0_receiver [1889])
Aug 16 09:50:03 ds2 kernel: block drbd0: data-integrity-alg: md5
Aug 16 09:50:03 ds2 kernel: block drbd0: drbd_sync_handshake:
Aug 16 09:50:03 ds2 kernel: block drbd0: self
2526D9E070EFB5D8:0000000000000000:72F9C545E7729054:DDFB18D6EB2E028F
bits:71483651 flags:0
Aug 16 09:50:03 ds2 kernel: block drbd0: peer
81A6D1484F953EC9:2526D9E070EFB5D8:200CF3956DE539E5:B91375FA89E81E3F
bits:71484334 flags:0
Aug 16 09:50:03 ds2 kernel: block drbd0: uuid_compare()=-1 by rule 50
Aug 16 09:50:03 ds2 kernel: block drbd0: Becoming sync target due to disk
states.
Aug 16 09:50:03 ds2 kernel: block drbd0: peer( Unknown -> Primary ) conn(
WFReportParams -> WFBitMapT ) pdsk( DUnknown -> UpToDate )
Aug 16 09:50:03 ds2 kernel: block drbd0: conn( WFBitMapT -> WFSyncUUID )
Aug 16 09:50:03 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0
Aug 16 09:50:03 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0 exit code 0 (0x0)
Aug 16 09:50:03 ds2 kernel: block drbd0: conn( WFSyncUUID -> SyncTarget )
Aug 16 09:50:03 ds2 kernel: block drbd0: Began resync as SyncTarget (will
sync 285937336 KB [71484334 bits set]).
Aug 16 09:50:08 ds2 kernel: block drbd0: Digest integrity check FAILED.
Aug 16 09:50:08 ds2 kernel: block drbd0: error receiving Data, l: 4136!
Aug 16 09:50:08 ds2 kernel: block drbd0: peer( Primary -> Unknown ) conn(
SyncTarget -> ProtocolError ) pdsk( UpToDate -> DUnknown )
Aug 16 09:50:08 ds2 kernel: block drbd0: asender terminated
Aug 16 09:50:08 ds2 kernel: block drbd0: Terminating asender thread
Aug 16 09:50:08 ds2 kernel: block drbd0: Connection closed
Aug 16 09:50:08 ds2 kernel: block drbd0: conn( ProtocolError -> Unconnected
)
Aug 16 09:50:08 ds2 kernel: block drbd0: receiver terminated
Aug 16 09:50:08 ds2 kernel: block drbd0: Restarting receiver thread
Aug 16 09:50:08 ds2 kernel: block drbd0: receiver (re)started
Aug 16 09:50:08 ds2 kernel: block drbd0: conn( Unconnected -> WFConnection
)
Aug 16 09:50:08 ds2 kernel: block drbd0: cs:WFConnection rs_left=71377301 >
rs_total=0 (rs_failed 0)
Aug 16 09:50:08 ds2 kernel: block drbd0: Handshake successful: Agreed
network protocol version 94
Aug 16 09:50:08 ds2 kernel: block drbd0: Peer authenticated using 20 bytes
of 'sha1' HMAC
Aug 16 09:50:08 ds2 kernel: block drbd0: conn( WFConnection ->
WFReportParams )
Aug 16 09:50:08 ds2 kernel: block drbd0: Starting asender thread (from
drbd0_receiver [1889])
Aug 16 09:50:08 ds2 kernel: block drbd0: data-integrity-alg: md5
Aug 16 09:50:08 ds2 kernel: block drbd0: drbd_sync_handshake:
Aug 16 09:50:08 ds2 kernel: block drbd0: self
0BFECEB9EE96AB38:0000000000000000:72F9C545E7729054:DDFB18D6EB2E028F
bits:71377301 flags:0
Aug 16 09:50:08 ds2 kernel: block drbd0: peer
81A6D1484F953EC9:0BFECEB9EE96AB39:2526D9E070EFB5D8:200CF3956DE539E5
bits:71377896 flags:0
Aug 16 09:50:08 ds2 kernel: block drbd0: uuid_compare()=-1 by rule 50
Aug 16 09:50:08 ds2 kernel: block drbd0: Becoming sync target due to disk
states.
Aug 16 09:50:08 ds2 kernel: block drbd0: peer( Unknown -> Primary ) conn(
WFReportParams -> WFBitMapT ) pdsk( DUnknown -> UpToDate )
Aug 16 09:50:09 ds2 kernel: block drbd0: conn( WFBitMapT -> WFSyncUUID )
Aug 16 09:50:09 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0
Aug 16 09:50:09 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0 exit code 0 (0x0)
Aug 16 09:50:09 ds2 kernel: block drbd0: conn( WFSyncUUID -> SyncTarget )
Aug 16 09:50:09 ds2 kernel: block drbd0: Began resync as SyncTarget (will
sync 285511588 KB [71377897 bits set]).
Aug 16 09:50:12 ds2 kernel: block drbd0: Digest integrity check FAILED.
Aug 16 09:50:12 ds2 kernel: block drbd0: error receiving Data, l: 4136!
Aug 16 09:50:12 ds2 kernel: block drbd0: peer( Primary -> Unknown ) conn(
SyncTarget -> ProtocolError ) pdsk( UpToDate -> DUnknown )
Aug 16 09:50:12 ds2 kernel: block drbd0: asender terminated
Aug 16 09:50:12 ds2 kernel: block drbd0: Terminating asender thread
Aug 16 09:50:12 ds2 kernel: block drbd0: Connection closed
Aug 16 09:50:12 ds2 kernel: block drbd0: conn( ProtocolError -> Unconnected
)
Aug 16 09:50:12 ds2 kernel: block drbd0: receiver terminated
Aug 16 09:50:12 ds2 kernel: block drbd0: Restarting receiver thread
Aug 16 09:50:12 ds2 kernel: block drbd0: receiver (re)started
Aug 16 09:50:12 ds2 kernel: block drbd0: conn( Unconnected -> WFConnection
)
Aug 16 09:50:12 ds2 kernel: block drbd0: Handshake successful: Agreed
network protocol version 94
Aug 16 09:50:12 ds2 kernel: block drbd0: Peer authenticated using 20 bytes
of 'sha1' HMAC
Aug 16 09:50:12 ds2 kernel: block drbd0: conn( WFConnection ->
WFReportParams )
Aug 16 09:50:12 ds2 kernel: block drbd0: Starting asender thread (from
drbd0_receiver [1889])
Aug 16 09:50:12 ds2 kernel: block drbd0: data-integrity-alg: md5
Aug 16 09:50:12 ds2 kernel: block drbd0: drbd_sync_handshake:
Aug 16 09:50:12 ds2 kernel: block drbd0: self
F51B2DE0E9E84018:0000000000000000:72F9C545E7729054:DDFB18D6EB2E028F
bits:71367867 flags:0
Aug 16 09:50:12 ds2 kernel: block drbd0: peer
81A6D1484F953EC9:F51B2DE0E9E84018:0BFECEB9EE96AB39:2526D9E070EFB5D8
bits:71368108 flags:0
Aug 16 09:50:12 ds2 kernel: block drbd0: uuid_compare()=-1 by rule 50
Aug 16 09:50:12 ds2 kernel: block drbd0: Becoming sync target due to disk
states.
Aug 16 09:50:12 ds2 kernel: block drbd0: peer( Unknown -> Primary ) conn(
WFReportParams -> WFBitMapT ) pdsk( DUnknown -> UpToDate )
Aug 16 09:50:13 ds2 kernel: block drbd0: conn( WFBitMapT -> WFSyncUUID )
Aug 16 09:50:13 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0
Aug 16 09:50:13 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0 exit code 0 (0x0)
Aug 16 09:50:13 ds2 kernel: block drbd0: conn( WFSyncUUID -> SyncTarget )
Aug 16 09:50:13 ds2 kernel: block drbd0: Began resync as SyncTarget (will
sync 285472476 KB [71368119 bits set]).
Aug 16 09:50:43 ds2 kernel: block drbd0: Digest integrity check FAILED.
Aug 16 09:50:43 ds2 kernel: block drbd0: error receiving Data, l: 4136!
Aug 16 09:50:43 ds2 kernel: block drbd0: peer( Primary -> Unknown ) conn(
SyncTarget -> ProtocolError ) pdsk( UpToDate -> DUnknown )
Aug 16 09:50:43 ds2 kernel: block drbd0: asender terminated
Aug 16 09:50:43 ds2 kernel: block drbd0: Terminating asender thread
Aug 16 09:50:44 ds2 kernel: block drbd0: Connection closed
Aug 16 09:50:44 ds2 kernel: block drbd0: conn( ProtocolError -> Unconnected
)
Aug 16 09:50:44 ds2 kernel: block drbd0: receiver terminated
Aug 16 09:50:44 ds2 kernel: block drbd0: Restarting receiver thread
Aug 16 09:50:44 ds2 kernel: block drbd0: receiver (re)started
Aug 16 09:50:44 ds2 kernel: block drbd0: conn( Unconnected -> WFConnection
)
Aug 16 09:50:44 ds2 kernel: block drbd0: Handshake successful: Agreed
network protocol version 94
Aug 16 09:50:44 ds2 kernel: block drbd0: Peer authenticated using 20 bytes
of 'sha1' HMAC
Aug 16 09:50:44 ds2 kernel: block drbd0: conn( WFConnection ->
WFReportParams )
Aug 16 09:50:44 ds2 kernel: block drbd0: Starting asender thread (from
drbd0_receiver [1889])
Aug 16 09:50:44 ds2 kernel: block drbd0: data-integrity-alg: md5
Aug 16 09:50:44 ds2 kernel: block drbd0: drbd_sync_handshake:
Aug 16 09:50:44 ds2 kernel: block drbd0: self
6DEA3F4A0320998A:0000000000000000:72F9C545E7729054:DDFB18D6EB2E028F
bits:71079597 flags:0
Aug 16 09:50:44 ds2 kernel: block drbd0: peer
81A6D1484F953EC9:6DEA3F4A0320998B:F51B2DE0E9E84018:0BFECEB9EE96AB39
bits:71080434 flags:0
Aug 16 09:50:44 ds2 kernel: block drbd0: uuid_compare()=-1 by rule 50
Aug 16 09:50:44 ds2 kernel: block drbd0: Becoming sync target due to disk
states.
Aug 16 09:50:44 ds2 kernel: block drbd0: peer( Unknown -> Primary ) conn(
WFReportParams -> WFBitMapT ) pdsk( DUnknown -> UpToDate )
Aug 16 09:50:44 ds2 kernel: block drbd0: conn( WFBitMapT -> WFSyncUUID )
Aug 16 09:50:44 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0
Aug 16 09:50:44 ds2 kernel: block drbd0: helper command: /sbin/drbdadm
before-resync-target minor-0 exit code 0 (0x0)
Aug 16 09:50:44 ds2 kernel: block drbd0: conn( WFSyncUUID -> SyncTarget )
Aug 16 09:50:44 ds2 kernel: block drbd0: Began resync as SyncTarget (will
sync 284321812 KB [71080453 bits set]).
Aug 16 09:51:18 ds2 kernel: block drbd0: Digest integrity check FAILED.
Aug 16 09:51:18 ds2 kernel: block drbd0: error receiving Data, l: 4136!
Aug 16 09:51:18 ds2 kernel: block drbd0: peer( Primary -> Unknown ) conn(
SyncTarget -> ProtocolError ) pdsk( UpToDate -> DUnknown )
Aug 16 09:51:18 ds2 kernel: block drbd0: asender terminated
Aug 16 09:51:18 ds2 kernel: block drbd0: Terminating asender thread
Aug 16 09:51:18 ds2 kernel: block drbd0: Connection closed
Aug 16 09:51:18 ds2 kernel: block drbd0: conn( ProtocolError -> Unconnected
)
Aug 16 09:51:18 ds2 kernel: block drbd0: receiver terminated

Regards,
Mona
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