Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.
Mark Watts wrote: > On Fri, 2009-10-23 at 15:21 +0400, Michael Tokarev wrote: > <snip> > >> Comments? > > You need to paste log entries... Sure. Here we go. It's the complete log of whole my experiment (from dmesg), from the machine where I issued `verify' command: drbd: initialized. Version: 8.3.3rc2 (api:88/proto:86-91) drbd: srcversion: B9188A246B5353B66BBE441 drbd: registered as block device major 147 drbd: minor_table @ 0xffff88021e8ebec0 block drbd1: Starting worker thread (from cqueue [25370]) block drbd1: disk( Diskless -> Attaching ) block drbd1: No usable activity log found. block drbd1: Method to ensure write ordering: barrier block drbd1: Backing device's merge_bvec_fn() = ffffffffa02162a0 block drbd1: max_segment_size ( = BIO size ) = 4096 block drbd1: Adjusting my ra_pages to backing device's (32 -> 192) block drbd1: drbd_bm_resize called with capacity == 16782736 block drbd1: resync bitmap: bits=2097842 words=32779 block drbd1: size = 8195 MB (8391368 KB) block drbd1: Writing the whole bitmap, size changed block drbd1: meta data flush failed with status -95, disabling md-flushes block drbd1: 8195 MB (2097842 bits) marked out-of-sync by on disk bit-map. block drbd1: recounting of set bits took additional 0 jiffies block drbd1: 8195 MB (2097842 bits) marked out-of-sync by on disk bit-map. block drbd1: disk( Attaching -> Inconsistent ) block drbd1: conn( StandAlone -> Unconnected ) block drbd1: Starting receiver thread (from drbd1_worker [25374]) block drbd1: receiver (re)started block drbd1: conn( Unconnected -> WFConnection ) block drbd1: Handshake successful: Agreed network protocol version 91 block drbd1: conn( WFConnection -> WFReportParams ) block drbd1: Starting asender thread (from drbd1_receiver [25388]) block drbd1: data-integrity-alg: <not-used> block drbd1: drbd_bm_resize called with capacity == 16776632 block drbd1: resync bitmap: bits=2097079 words=32767 block drbd1: size = 8192 MB (8388316 KB) block drbd1: Writing the whole bitmap, size changed block drbd1: 8192 MB (2097079 bits) marked out-of-sync by on disk bit-map. block drbd1: Backing device's merge_bvec_fn() = ffffffffa02162a0 block drbd1: max_segment_size ( = BIO size ) = 4096 block drbd1: drbd_sync_handshake: block drbd1: self 0000000000000004:0000000000000000:0000000000000000:0000000000000000 bits:2097842 flags:0 block drbd1: peer 0000000000000004:0000000000000000:0000000000000000:0000000000000000 bits:2097079 flags:0 block drbd1: uuid_compare()=0 by rule 10 block drbd1: No resync, but 2097079 bits in bitmap! block drbd1: peer( Unknown -> Secondary ) conn( WFReportParams -> Connected ) pdsk( DUnknown -> Inconsistent ) block drbd1: role( Secondary -> Primary ) disk( Inconsistent -> UpToDate ) block drbd1: Forced to consider local data as UpToDate! block drbd1: Creating new current UUID block drbd1: drbd_sync_handshake: block drbd1: self C21574A3E945AF39:0000000000000004:0000000000000000:0000000000000000 bits:2097079 flags:0 block drbd1: peer 0000000000000004:0000000000000000:0000000000000000:0000000000000000 bits:2097079 flags:0 block drbd1: uuid_compare()=2 by rule 30 block drbd1: Becoming sync source due to disk states. block drbd1: Writing the whole bitmap, full sync required after drbd_sync_handshake. block drbd1: 8192 MB (2097079 bits) marked out-of-sync by on disk bit-map. block drbd1: conn( Connected -> WFBitMapS ) block drbd1: conn( WFBitMapS -> SyncSource ) block drbd1: Began resync as SyncSource (will sync 8388316 KB [2097079 bits set]). block drbd1: Resync done (total 295 sec; paused 0 sec; 28432 K/sec) block drbd1: conn( SyncSource -> Connected ) pdsk( Inconsistent -> UpToDate ) block drbd1: peer( Secondary -> Unknown ) conn( Connected -> TearDown ) pdsk( UpToDate -> DUnknown ) block drbd1: Creating new current UUID block drbd1: meta connection shut down by peer. block drbd1: asender terminated block drbd1: Terminating drbd1_asender block drbd1: Connection closed block drbd1: conn( TearDown -> Unconnected ) block drbd1: receiver terminated block drbd1: Restarting drbd1_receiver block drbd1: receiver (re)started block drbd1: conn( Unconnected -> WFConnection ) block drbd1: role( Primary -> Secondary ) block drbd1: conn( WFConnection -> Disconnecting ) block drbd1: Discarding network configuration. block drbd1: Connection closed block drbd1: conn( Disconnecting -> StandAlone ) block drbd1: receiver terminated block drbd1: Terminating drbd1_receiver block drbd1: disk( UpToDate -> Diskless ) block drbd1: drbd_bm_resize called with capacity == 0 block drbd1: worker terminated block drbd1: Terminating drbd1_worker block drbd1: Starting worker thread (from cqueue [25370]) block drbd1: disk( Diskless -> Attaching ) block drbd1: Found 4 transactions (140 active extents) in activity log. block drbd1: Method to ensure write ordering: barrier block drbd1: Backing device's merge_bvec_fn() = ffffffffa02162a0 block drbd1: max_segment_size ( = BIO size ) = 4096 block drbd1: drbd_bm_resize called with capacity == 16776632 block drbd1: resync bitmap: bits=2097079 words=32767 block drbd1: size = 8192 MB (8388316 KB) block drbd1: recounting of set bits took additional 0 jiffies block drbd1: 0 KB (0 bits) marked out-of-sync by on disk bit-map. block drbd1: disk( Attaching -> UpToDate ) block drbd1: Barriers not supported on meta data device - disabling block drbd1: conn( StandAlone -> Unconnected ) block drbd1: Starting receiver thread (from drbd1_worker [26360]) block drbd1: receiver (re)started block drbd1: conn( Unconnected -> WFConnection ) block drbd1: Handshake successful: Agreed network protocol version 91 block drbd1: conn( WFConnection -> WFReportParams ) block drbd1: Starting asender thread (from drbd1_receiver [26369]) block drbd1: data-integrity-alg: <not-used> block drbd1: Backing device's merge_bvec_fn() = ffffffffa02162a0 block drbd1: max_segment_size ( = BIO size ) = 4096 block drbd1: drbd_sync_handshake: block drbd1: self 910498F57D5D7F76:C21574A3E945AF39:14642B2C643088A7:0000000000000004 bits:0 flags:0 block drbd1: peer C21574A3E945AF38:0000000000000000:14642B2C643088A6:0000000000000004 bits:0 flags:0 block drbd1: uuid_compare()=1 by rule 70 block drbd1: peer( Unknown -> Secondary ) conn( WFReportParams -> WFBitMapS ) pdsk( DUnknown -> UpToDate ) block drbd1: conn( WFBitMapS -> SyncSource ) pdsk( UpToDate -> Inconsistent ) block drbd1: Began resync as SyncSource (will sync 0 KB [0 bits set]). block drbd1: Resync done (total 1 sec; paused 0 sec; 0 K/sec) block drbd1: conn( SyncSource -> Connected ) pdsk( Inconsistent -> UpToDate ) block drbd1: peer( Secondary -> Primary ) block drbd1: role( Secondary -> Primary ) block drbd1: write: error=-95 s=0s block drbd1: Method to ensure write ordering: flush block drbd1: local disk flush failed with status -95 block drbd1: Method to ensure write ordering: drain block drbd1: peer( Primary -> Unknown ) conn( Connected -> TearDown ) pdsk( UpToDate -> DUnknown ) block drbd1: Creating new current UUID block drbd1: meta connection shut down by peer. block drbd1: asender terminated block drbd1: Terminating drbd1_asender block drbd1: Connection closed block drbd1: conn( TearDown -> Unconnected ) block drbd1: receiver terminated block drbd1: Restarting drbd1_receiver block drbd1: receiver (re)started block drbd1: conn( Unconnected -> WFConnection ) block drbd1: Handshake successful: Agreed network protocol version 91 block drbd1: conn( WFConnection -> WFReportParams ) block drbd1: Starting asender thread (from drbd1_receiver [26369]) block drbd1: data-integrity-alg: <not-used> block drbd1: Different verify-alg settings. me="" peer="sha1" block drbd1: conn( WFReportParams -> Disconnecting ) block drbd1: error receiving SyncParam89, l: 132! block drbd1: asender terminated block drbd1: Terminating drbd1_asender block drbd1: Connection closed block drbd1: conn( Disconnecting -> StandAlone ) block drbd1: receiver terminated block drbd1: Terminating drbd1_receiver block drbd1: conn( StandAlone -> Unconnected ) block drbd1: Starting receiver thread (from drbd1_worker [26360]) block drbd1: receiver (re)started block drbd1: conn( Unconnected -> WFConnection ) block drbd1: State change failed: Need a connection to start verify or resync block drbd1: state = { cs:WFConnection ro:Primary/Unknown ds:UpToDate/DUnknown r--- } block drbd1: wanted = { cs:VerifyS ro:Primary/Unknown ds:UpToDate/DUnknown r--- } block drbd1: Handshake successful: Agreed network protocol version 91 block drbd1: conn( WFConnection -> WFReportParams ) block drbd1: Starting asender thread (from drbd1_receiver [26632]) block drbd1: data-integrity-alg: <not-used> block drbd1: drbd_sync_handshake: block drbd1: self 69E216884FA39819:910498F57D5D7F77:FF9BBE28839651A5:C21574A3E945AF39 bits:0 flags:0 block drbd1: peer E26808C6C8EFE1EB:910498F57D5D7F77:FF9BBE28839651A4:C21574A3E945AF39 bits:0 flags:0 block drbd1: uuid_compare()=100 by rule 90 block drbd1: Split-Brain detected, dropping connection! block drbd1: helper command: /sbin/drbdadm split-brain minor-1 block drbd1: meta connection shut down by peer. block drbd1: conn( WFReportParams -> NetworkFailure ) block drbd1: asender terminated block drbd1: Terminating drbd1_asender block drbd1: helper command: /sbin/drbdadm split-brain minor-1 exit code 0 (0x0) block drbd1: conn( NetworkFailure -> Disconnecting ) block drbd1: error receiving ReportState, l: 4! block drbd1: Connection closed block drbd1: conn( Disconnecting -> StandAlone ) block drbd1: receiver terminated block drbd1: Terminating drbd1_receiver block drbd1: conn( StandAlone -> Unconnected ) block drbd1: Starting receiver thread (from drbd1_worker [26360]) block drbd1: receiver (re)started block drbd1: conn( Unconnected -> WFConnection ) block drbd1: role( Primary -> Secondary ) block drbd1: conn( WFConnection -> Disconnecting ) block drbd1: Discarding network configuration. block drbd1: Connection closed block drbd1: conn( Disconnecting -> StandAlone ) block drbd1: receiver terminated block drbd1: Terminating drbd1_receiver block drbd1: disk( UpToDate -> Diskless ) block drbd1: drbd_bm_resize called with capacity == 0 block drbd1: worker terminated block drbd1: Terminating drbd1_worker block drbd1: Starting worker thread (from cqueue [25370]) block drbd1: disk( Diskless -> Attaching ) block drbd1: Found 4 transactions (87 active extents) in activity log. block drbd1: Method to ensure write ordering: barrier block drbd1: Backing device's merge_bvec_fn() = ffffffffa02162a0 block drbd1: max_segment_size ( = BIO size ) = 4096 block drbd1: drbd_bm_resize called with capacity == 16776632 block drbd1: resync bitmap: bits=2097079 words=32767 block drbd1: size = 8192 MB (8388316 KB) block drbd1: recounting of set bits took additional 0 jiffies block drbd1: 0 KB (0 bits) marked out-of-sync by on disk bit-map. block drbd1: disk( Attaching -> UpToDate ) block drbd1: Barriers not supported on meta data device - disabling block drbd1: conn( StandAlone -> Unconnected ) block drbd1: Starting receiver thread (from drbd1_worker [26697]) block drbd1: receiver (re)started block drbd1: conn( Unconnected -> WFConnection ) block drbd1: Handshake successful: Agreed network protocol version 91 block drbd1: conn( WFConnection -> WFReportParams ) block drbd1: Starting asender thread (from drbd1_receiver [26706]) block drbd1: data-integrity-alg: <not-used> block drbd1: Backing device's merge_bvec_fn() = ffffffffa02162a0 block drbd1: max_segment_size ( = BIO size ) = 4096 block drbd1: drbd_sync_handshake: block drbd1: self 69E216884FA39818:910498F57D5D7F77:FF9BBE28839651A5:C21574A3E945AF39 bits:0 flags:0 block drbd1: peer E26808C6C8EFE1EA:910498F57D5D7F77:FF9BBE28839651A4:C21574A3E945AF39 bits:0 flags:0 block drbd1: uuid_compare()=100 by rule 90 block drbd1: Split-Brain detected, dropping connection! block drbd1: helper command: /sbin/drbdadm split-brain minor-1 block drbd1: meta connection shut down by peer. block drbd1: conn( WFReportParams -> NetworkFailure ) block drbd1: asender terminated block drbd1: Terminating drbd1_asender block drbd1: helper command: /sbin/drbdadm split-brain minor-1 exit code 0 (0x0) block drbd1: conn( NetworkFailure -> Disconnecting ) block drbd1: error receiving ReportState, l: 4! block drbd1: Connection closed block drbd1: conn( Disconnecting -> StandAlone ) block drbd1: receiver terminated block drbd1: Terminating drbd1_receiver block drbd1: conn( StandAlone -> Unconnected ) block drbd1: Starting receiver thread (from drbd1_worker [26697]) block drbd1: receiver (re)started block drbd1: conn( Unconnected -> WFConnection ) block drbd1: Handshake successful: Agreed network protocol version 91 block drbd1: conn( WFConnection -> WFReportParams ) block drbd1: Starting asender thread (from drbd1_receiver [26719]) block drbd1: data-integrity-alg: <not-used> block drbd1: drbd_sync_handshake: block drbd1: self 69E216884FA39818:910498F57D5D7F77:FF9BBE28839651A5:C21574A3E945AF39 bits:0 flags:0 block drbd1: peer E26808C6C8EFE1EA:910498F57D5D7F77:FF9BBE28839651A4:C21574A3E945AF39 bits:0 flags:0 block drbd1: uuid_compare()=100 by rule 90 block drbd1: Split-Brain detected, dropping connection! block drbd1: helper command: /sbin/drbdadm split-brain minor-1 block drbd1: meta connection shut down by peer. block drbd1: conn( WFReportParams -> NetworkFailure ) block drbd1: asender terminated block drbd1: Terminating drbd1_asender block drbd1: helper command: /sbin/drbdadm split-brain minor-1 exit code 0 (0x0) block drbd1: conn( NetworkFailure -> Disconnecting ) block drbd1: error receiving ReportState, l: 4! block drbd1: Connection closed block drbd1: conn( Disconnecting -> StandAlone ) block drbd1: receiver terminated block drbd1: Terminating drbd1_receiver And here's the other machine: drbd: initialized. Version: 8.3.3rc2 (api:88/proto:86-91) drbd: srcversion: B9188A246B5353B66BBE441 drbd: registered as block device major 147 drbd: minor_table @ 0xffff880137a197c0 block drbd1: Starting worker thread (from cqueue [1693]) block drbd1: disk( Diskless -> Attaching ) block drbd1: No usable activity log found. block drbd1: Method to ensure write ordering: barrier block drbd1: max_segment_size ( = BIO size ) = 32768 block drbd1: drbd_bm_resize called with capacity == 16776632 block drbd1: resync bitmap: bits=2097079 words=32767 block drbd1: size = 8192 MB (8388316 KB) block drbd1: Writing the whole bitmap, size changed block drbd1: 8192 MB (2097079 bits) marked out-of-sync by on disk bit-map. block drbd1: recounting of set bits took additional 0 jiffies block drbd1: 8192 MB (2097079 bits) marked out-of-sync by on disk bit-map. block drbd1: disk( Attaching -> Inconsistent ) block drbd1: conn( StandAlone -> Unconnected ) block drbd1: Starting receiver thread (from drbd1_worker [1706]) block drbd1: receiver (re)started block drbd1: conn( Unconnected -> WFConnection ) block drbd1: Handshake successful: Agreed network protocol version 91 block drbd1: conn( WFConnection -> WFReportParams ) block drbd1: Starting asender thread (from drbd1_receiver [1753]) block drbd1: data-integrity-alg: <not-used> block drbd1: max_segment_size ( = BIO size ) = 4096 block drbd1: drbd_sync_handshake: block drbd1: self 0000000000000004:0000000000000000:0000000000000000:0000000000000000 bits:2097079 flags:0 block drbd1: peer 0000000000000004:0000000000000000:0000000000000000:0000000000000000 bits:2097842 flags:0 block drbd1: uuid_compare()=0 by rule 10 block drbd1: No resync, but 2097079 bits in bitmap! block drbd1: peer( Unknown -> Secondary ) conn( WFReportParams -> Connected ) pdsk( DUnknown -> Inconsistent ) block drbd1: peer( Secondary -> Primary ) pdsk( Inconsistent -> UpToDate ) block drbd1: drbd_sync_handshake: block drbd1: self 0000000000000004:0000000000000000:0000000000000000:0000000000000000 bits:2097079 flags:0 block drbd1: peer C21574A3E945AF39:0000000000000004:0000000000000000:0000000000000000 bits:2097079 flags:0 block drbd1: uuid_compare()=-2 by rule 20 block drbd1: Becoming sync target due to disk states. block drbd1: Writing the whole bitmap, full sync required after drbd_sync_handshake. block drbd1: 8192 MB (2097079 bits) marked out-of-sync by on disk bit-map. block drbd1: conn( Connected -> WFBitMapT ) block drbd1: conn( WFBitMapT -> WFSyncUUID ) block drbd1: helper command: /sbin/drbdadm before-resync-target minor-1 block drbd1: helper command: /sbin/drbdadm before-resync-target minor-1 exit code 0 (0x0) block drbd1: conn( WFSyncUUID -> SyncTarget ) block drbd1: Began resync as SyncTarget (will sync 8388316 KB [2097079 bits set]). block drbd1: Resync done (total 295 sec; paused 0 sec; 28432 K/sec) block drbd1: conn( SyncTarget -> Connected ) disk( Inconsistent -> UpToDate ) block drbd1: helper command: /sbin/drbdadm after-resync-target minor-1 block drbd1: helper command: /sbin/drbdadm after-resync-target minor-1 exit code 0 (0x0) block drbd1: peer( Primary -> Unknown ) conn( Connected -> Disconnecting ) pdsk( UpToDate -> DUnknown ) block drbd1: short read expecting header on sock: r=-512 block drbd1: asender terminated block drbd1: Terminating drbd1_asender block drbd1: Connection closed block drbd1: conn( Disconnecting -> StandAlone ) block drbd1: receiver terminated block drbd1: Terminating drbd1_receiver block drbd1: disk( UpToDate -> Diskless ) block drbd1: drbd_bm_resize called with capacity == 0 block drbd1: worker terminated block drbd1: Terminating drbd1_worker block drbd1: Starting worker thread (from cqueue [1693]) block drbd1: disk( Diskless -> Attaching ) block drbd1: No usable activity log found. block drbd1: Method to ensure write ordering: barrier block drbd1: max_segment_size ( = BIO size ) = 32768 block drbd1: drbd_bm_resize called with capacity == 16776632 block drbd1: resync bitmap: bits=2097079 words=32767 block drbd1: size = 8192 MB (8388316 KB) block drbd1: recounting of set bits took additional 1 jiffies block drbd1: 0 KB (0 bits) marked out-of-sync by on disk bit-map. block drbd1: disk( Attaching -> UpToDate ) block drbd1: conn( StandAlone -> Unconnected ) block drbd1: Starting receiver thread (from drbd1_worker [1846]) block drbd1: receiver (re)started block drbd1: conn( Unconnected -> WFConnection ) block drbd1: Handshake successful: Agreed network protocol version 91 block drbd1: conn( WFConnection -> WFReportParams ) block drbd1: Starting asender thread (from drbd1_receiver [1854]) block drbd1: data-integrity-alg: <not-used> block drbd1: max_segment_size ( = BIO size ) = 4096 block drbd1: drbd_sync_handshake: block drbd1: self C21574A3E945AF38:0000000000000000:14642B2C643088A6:0000000000000004 bits:0 flags:0 block drbd1: peer 910498F57D5D7F76:C21574A3E945AF39:14642B2C643088A7:0000000000000004 bits:0 flags:0 block drbd1: uuid_compare()=-1 by rule 50 block drbd1: peer( Unknown -> Secondary ) conn( WFReportParams -> WFBitMapT ) pdsk( DUnknown -> UpToDate ) block drbd1: conn( WFBitMapT -> WFSyncUUID ) block drbd1: helper command: /sbin/drbdadm before-resync-target minor-1 block drbd1: helper command: /sbin/drbdadm before-resync-target minor-1 exit code 0 (0x0) block drbd1: conn( WFSyncUUID -> SyncTarget ) disk( UpToDate -> Inconsistent ) block drbd1: Began resync as SyncTarget (will sync 0 KB [0 bits set]). block drbd1: Resync done (total 1 sec; paused 0 sec; 0 K/sec) block drbd1: conn( SyncTarget -> Connected ) disk( Inconsistent -> UpToDate ) block drbd1: helper command: /sbin/drbdadm after-resync-target minor-1 block drbd1: helper command: /sbin/drbdadm after-resync-target minor-1 exit code 0 (0x0) block drbd1: role( Secondary -> Primary ) block drbd1: peer( Secondary -> Primary ) block drbd1: peer( Primary -> Unknown ) conn( Connected -> Disconnecting ) pdsk( UpToDate -> DUnknown ) block drbd1: Creating new current UUID block drbd1: short read expecting header on sock: r=-512 block drbd1: asender terminated block drbd1: Terminating drbd1_asender block drbd1: Connection closed block drbd1: conn( Disconnecting -> StandAlone ) block drbd1: receiver terminated block drbd1: Terminating drbd1_receiver block drbd1: conn( StandAlone -> Unconnected ) block drbd1: Starting receiver thread (from drbd1_worker [1846]) block drbd1: receiver (re)started block drbd1: conn( Unconnected -> WFConnection ) block drbd1: Handshake successful: Agreed network protocol version 91 block drbd1: conn( WFConnection -> WFReportParams ) block drbd1: Starting asender thread (from drbd1_receiver [1961]) block drbd1: data-integrity-alg: <not-used> block drbd1: Different verify-alg settings. me="sha1" peer="" block drbd1: conn( WFReportParams -> Disconnecting ) block drbd1: error receiving SyncParam89, l: 132! block drbd1: meta connection shut down by peer. block drbd1: asender terminated block drbd1: Terminating drbd1_asender block drbd1: Connection closed block drbd1: conn( Disconnecting -> StandAlone ) block drbd1: receiver terminated block drbd1: Terminating drbd1_receiver block drbd1: conn( StandAlone -> Unconnected ) block drbd1: Starting receiver thread (from drbd1_worker [1846]) block drbd1: receiver (re)started block drbd1: conn( Unconnected -> WFConnection ) block drbd1: Handshake successful: Agreed network protocol version 91 block drbd1: conn( WFConnection -> WFReportParams ) block drbd1: Starting asender thread (from drbd1_receiver [1977]) block drbd1: data-integrity-alg: <not-used> block drbd1: drbd_sync_handshake: block drbd1: self E26808C6C8EFE1EB:910498F57D5D7F77:FF9BBE28839651A4:C21574A3E945AF39 bits:0 flags:0 block drbd1: peer 69E216884FA39819:910498F57D5D7F77:FF9BBE28839651A5:C21574A3E945AF39 bits:0 flags:0 block drbd1: uuid_compare()=100 by rule 90 block drbd1: Split-Brain detected, dropping connection! block drbd1: helper command: /sbin/drbdadm split-brain minor-1 block drbd1: helper command: /sbin/drbdadm split-brain minor-1 exit code 0 (0x0) block drbd1: conn( WFReportParams -> Disconnecting ) block drbd1: error receiving ReportState, l: 4! block drbd1: asender terminated block drbd1: Terminating drbd1_asender block drbd1: Connection closed block drbd1: conn( Disconnecting -> StandAlone ) block drbd1: receiver terminated block drbd1: Terminating drbd1_receiver block drbd1: role( Primary -> Secondary ) block drbd1: disk( UpToDate -> Diskless ) block drbd1: drbd_bm_resize called with capacity == 0 block drbd1: worker terminated block drbd1: Terminating drbd1_worker block drbd1: Starting worker thread (from cqueue [1693]) block drbd1: disk( Diskless -> Attaching ) block drbd1: Found 4 transactions (140 active extents) in activity log. block drbd1: Method to ensure write ordering: barrier block drbd1: max_segment_size ( = BIO size ) = 32768 block drbd1: drbd_bm_resize called with capacity == 16776632 block drbd1: resync bitmap: bits=2097079 words=32767 block drbd1: size = 8192 MB (8388316 KB) block drbd1: recounting of set bits took additional 0 jiffies block drbd1: 0 KB (0 bits) marked out-of-sync by on disk bit-map. block drbd1: disk( Attaching -> UpToDate ) block drbd1: conn( StandAlone -> Unconnected ) block drbd1: Starting receiver thread (from drbd1_worker [1992]) block drbd1: receiver (re)started block drbd1: conn( Unconnected -> WFConnection ) block drbd1: Handshake successful: Agreed network protocol version 91 block drbd1: conn( WFConnection -> WFReportParams ) block drbd1: Starting asender thread (from drbd1_receiver [2001]) block drbd1: data-integrity-alg: <not-used> block drbd1: max_segment_size ( = BIO size ) = 4096 block drbd1: drbd_sync_handshake: block drbd1: self E26808C6C8EFE1EA:910498F57D5D7F77:FF9BBE28839651A4:C21574A3E945AF39 bits:0 flags:0 block drbd1: peer 69E216884FA39818:910498F57D5D7F77:FF9BBE28839651A5:C21574A3E945AF39 bits:0 flags:0 block drbd1: uuid_compare()=100 by rule 90 block drbd1: Split-Brain detected, dropping connection! block drbd1: helper command: /sbin/drbdadm split-brain minor-1 block drbd1: helper command: /sbin/drbdadm split-brain minor-1 exit code 0 (0x0) block drbd1: conn( WFReportParams -> Disconnecting ) block drbd1: error receiving ReportState, l: 4! block drbd1: asender terminated block drbd1: Terminating drbd1_asender block drbd1: Connection closed block drbd1: conn( Disconnecting -> StandAlone ) block drbd1: receiver terminated block drbd1: Terminating drbd1_receiver block drbd1: conn( StandAlone -> Unconnected ) block drbd1: Starting receiver thread (from drbd1_worker [1992]) block drbd1: receiver (re)started block drbd1: conn( Unconnected -> WFConnection ) block drbd1: Handshake successful: Agreed network protocol version 91 block drbd1: conn( WFConnection -> WFReportParams ) block drbd1: Starting asender thread (from drbd1_receiver [2012]) block drbd1: data-integrity-alg: <not-used> block drbd1: drbd_sync_handshake: block drbd1: self E26808C6C8EFE1EA:910498F57D5D7F77:FF9BBE28839651A4:C21574A3E945AF39 bits:0 flags:0 block drbd1: peer 69E216884FA39818:910498F57D5D7F77:FF9BBE28839651A5:C21574A3E945AF39 bits:0 flags:0 block drbd1: uuid_compare()=100 by rule 90 block drbd1: Split-Brain detected, dropping connection! block drbd1: helper command: /sbin/drbdadm split-brain minor-1 block drbd1: helper command: /sbin/drbdadm split-brain minor-1 exit code 0 (0x0) block drbd1: conn( WFReportParams -> Disconnecting ) block drbd1: error receiving ReportState, l: 4! block drbd1: asender terminated block drbd1: Terminating drbd1_asender block drbd1: Connection closed block drbd1: conn( Disconnecting -> StandAlone ) block drbd1: receiver terminated block drbd1: Terminating drbd1_receiver Thanks! /mjt