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<DIV>Did&nbsp;you set one "syncer rate" in your drbd.conf?</DIV>
<DIV>such as:</DIV>
<DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;syncer</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;{</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;rate&nbsp;200M;</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;}</DIV></DIV>
<DIV>&nbsp;</DIV>
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<DIV><SPAN>
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<DIV>&nbsp;</DIV>
<DIV style="FONT-WEIGHT: bold; FONT-STYLE: italic">B.R.</DIV>
<DIV style="FONT-WEIGHT: bold; FONT-STYLE: italic">Zheng Feng</DIV>
<DIV>&nbsp;</DIV></DIV></SPAN></DIV>
<DIV>&nbsp;</DIV>
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<DIV><B>From:</B>&nbsp;<A href="mailto:marcel@kraan.net">Marcel Kraan</A></DIV>
<DIV><B>Date:</B>&nbsp;2012-06-04&nbsp;15:38</DIV>
<DIV><B>To:</B>&nbsp;<A 
href="mailto:drbd-user@lists.linbit.com">drbd-user</A></DIV>
<DIV><B>Subject:</B>&nbsp;[DRBD-user] drbd sync very slow</DIV></DIV></DIV>
<DIV>
<DIV>Hello,</DIV>
<DIV>&nbsp;</DIV>
<DIV>I&nbsp;use&nbsp;DRBD&nbsp;for&nbsp;a&nbsp;while&nbsp;now.</DIV>
<DIV>But&nbsp;today&nbsp;after&nbsp;"image&nbsp;creation&nbsp;crash&nbsp;of&nbsp;850GB"&nbsp;&nbsp;a&nbsp;the&nbsp;disks&nbsp;where&nbsp;out&nbsp;of&nbsp;sync</DIV>
<DIV>&nbsp;</DIV>
<DIV>So&nbsp;i&nbsp;synced&nbsp;the&nbsp;secondary&nbsp;&nbsp;again&nbsp;with&nbsp;the&nbsp;primary</DIV>
<DIV>&nbsp;</DIV>
<DIV>secondary</DIV>
<DIV>drbdadm&nbsp;secondary&nbsp;main</DIV>
<DIV>drbdadm&nbsp;disconnect&nbsp;main</DIV>
<DIV>drbdadm&nbsp;--&nbsp;--discard-my-data&nbsp;connect&nbsp;main</DIV>
<DIV>&nbsp;</DIV>
<DIV>primary</DIV>
<DIV>drbdadm&nbsp;connect&nbsp;main</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>at&nbsp;this&nbsp;time&nbsp;the&nbsp;sync&nbsp;speed&nbsp;was&nbsp;very&nbsp;slow.</DIV>
<DIV>my&nbsp;normal&nbsp;speed&nbsp;is&nbsp;between&nbsp;29000&nbsp;and&nbsp;32000&nbsp;on&nbsp;a&nbsp;normal&nbsp;cat5e/gigabit&nbsp;network</DIV>
<DIV>i&nbsp;have&nbsp;also&nbsp;rebooted&nbsp;the&nbsp;servers.</DIV>
<DIV>&nbsp;</DIV>
<DIV>PRIMARY:</DIV>
<DIV>version:&nbsp;8.3.12&nbsp;(api:88/proto:86-96)</DIV>
<DIV>GIT-hash:&nbsp;e2a8ef4656be026bbae540305fcb998a5991090f&nbsp;build&nbsp;by&nbsp;phil@Build64R6,&nbsp;2012-04-08&nbsp;09:36:52</DIV>
<DIV>&nbsp;0:&nbsp;cs:SyncSource&nbsp;ro:Primary/Secondary&nbsp;ds:UpToDate/Inconsistent&nbsp;C&nbsp;r-----</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;ns:1434576&nbsp;nr:0&nbsp;dw:3680&nbsp;dr:1435381&nbsp;al:2&nbsp;bm:4716&nbsp;lo:0&nbsp;pe:735&nbsp;ua:0&nbsp;ap:0&nbsp;ep:1&nbsp;wo:b&nbsp;oos:1805576</DIV>
<DIV>[=======&gt;............]&nbsp;sync'ed:&nbsp;44.4%&nbsp;(1805576/3236076)K</DIV>
<DIV>finish:&nbsp;0:49:17&nbsp;speed:&nbsp;600&nbsp;(2,364)&nbsp;K/sec</DIV>
<DIV>&nbsp;</DIV>
<DIV>SECONDARY:</DIV>
<DIV>[root@storage2&nbsp;~]#&nbsp;cat&nbsp;/proc/drbd&nbsp;</DIV>
<DIV>version:&nbsp;8.3.12&nbsp;(api:88/proto:86-96)</DIV>
<DIV>GIT-hash:&nbsp;e2a8ef4656be026bbae540305fcb998a5991090f&nbsp;build&nbsp;by&nbsp;phil@Build64R6,&nbsp;2012-04-08&nbsp;09:36:52</DIV>
<DIV>&nbsp;0:&nbsp;cs:SyncTarget&nbsp;ro:Secondary/Primary&nbsp;ds:Inconsistent/UpToDate&nbsp;C&nbsp;r-----</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;ns:0&nbsp;nr:1459708&nbsp;dw:1459100&nbsp;dr:0&nbsp;al:0&nbsp;bm:5440&nbsp;lo:154&nbsp;pe:571&nbsp;ua:152&nbsp;ap:0&nbsp;ep:1&nbsp;wo:b&nbsp;oos:1778116</DIV>
<DIV>[========&gt;...........]&nbsp;sync'ed:&nbsp;45.2%&nbsp;(1778116/3236076)K</DIV>
<DIV>finish:&nbsp;0:49:23&nbsp;speed:&nbsp;596&nbsp;(2,236)&nbsp;want:&nbsp;51,200&nbsp;K/sec</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>network</DIV>
<DIV>root@storage1&nbsp;~]#&nbsp;ifconfig&nbsp;eth0</DIV>
<DIV>eth0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Link&nbsp;encap:Ethernet&nbsp;&nbsp;HWaddr&nbsp;00:16:3E:27:85:5A&nbsp;&nbsp;</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;inet&nbsp;addr:192.168.123.101&nbsp;&nbsp;Bcast:192.168.123.255&nbsp;&nbsp;Mask:255.255.255.0</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;inet6&nbsp;addr:&nbsp;fe80::216:3eff:fe27:855a/64&nbsp;Scope:Link</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;UP&nbsp;BROADCAST&nbsp;RUNNING&nbsp;MULTICAST&nbsp;&nbsp;MTU:1500&nbsp;&nbsp;Metric:1</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;RX&nbsp;packets:59985&nbsp;errors:0&nbsp;dropped:1&nbsp;overruns:0&nbsp;frame:0</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TX&nbsp;packets:135399&nbsp;errors:0&nbsp;dropped:0&nbsp;overruns:0&nbsp;carrier:0</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;collisions:0&nbsp;txqueuelen:1000&nbsp;</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;RX&nbsp;bytes:42249562&nbsp;(40.2&nbsp;MiB)&nbsp;&nbsp;TX&nbsp;bytes:175295376&nbsp;(167.1&nbsp;MiB)</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Interrupt:11&nbsp;Base&nbsp;address:0x4000&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>[root@storage2&nbsp;~]#&nbsp;ifconfig&nbsp;eth0</DIV>
<DIV>eth0&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Link&nbsp;encap:Ethernet&nbsp;&nbsp;HWaddr&nbsp;00:16:3E:30:7D:27&nbsp;&nbsp;</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;inet&nbsp;addr:192.168.123.102&nbsp;&nbsp;Bcast:192.168.123.255&nbsp;&nbsp;Mask:255.255.255.0</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;inet6&nbsp;addr:&nbsp;fe80::216:3eff:fe30:7d27/64&nbsp;Scope:Link</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;UP&nbsp;BROADCAST&nbsp;RUNNING&nbsp;MULTICAST&nbsp;&nbsp;MTU:1500&nbsp;&nbsp;Metric:1</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;RX&nbsp;packets:99968&nbsp;errors:0&nbsp;dropped:39&nbsp;overruns:0&nbsp;frame:0</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TX&nbsp;packets:53516&nbsp;errors:0&nbsp;dropped:0&nbsp;overruns:0&nbsp;carrier:0</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;collisions:0&nbsp;txqueuelen:1000&nbsp;</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;RX&nbsp;bytes:124786225&nbsp;(119.0&nbsp;MiB)&nbsp;&nbsp;TX&nbsp;bytes:41878110&nbsp;(39.9&nbsp;MiB)</DIV>
<DIV>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Interrupt:11&nbsp;Base&nbsp;address:0x4000&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>Does&nbsp;anyone&nbsp;has&nbsp;a&nbsp;clue&nbsp;what&nbsp;i&nbsp;can&nbsp;do?</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>Marcel&nbsp;Kraan</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>&nbsp;</DIV>
<DIV>_______________________________________________</DIV>
<DIV>drbd-user&nbsp;mailing&nbsp;list</DIV>
<DIV>drbd-user@lists.linbit.com</DIV>
<DIV>http://lists.linbit.com/mailman/listinfo/drbd-user</DIV>
<DIV>&nbsp;</DIV></DIV></BODY></HTML>