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<p class="MsoNormal">I’ve been using drbd for a decade, but this is my first experience with drbd 9.0.14. The resync is incredibly slow. Normally, resync takes a few seconds to a few minutes, but this is taking hours, advancing just a few hundredths of a percent
every few seconds…<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas">ha01_mysql role:Secondary<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> disk:Inconsistent<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> 001db01b role:Primary<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> replication:SyncTarget peer-disk:UpToDate done:93.84<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"><o:p> </o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas">ha02_mysql role:Primary<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> disk:UpToDate<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> 001db01b role:Secondary<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> replication:SyncSource peer-disk:Inconsistent done:84.49<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal">Also, the numbers shown by drbdadm status are way different than what is shown under /sys…<o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas">[root@001db01b 0]# cat /sys/kernel/debug/drbd/resources/ha02_mysql/connections/001db01a/0/proc_drbd<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas">1: cs:SyncTarget ro:Secondary/Primary ds:Inconsistent/UpToDate C r-----<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> ns:8 nr:175023740 dw:657162492 dr:615264242 al:2325 bm:0 lo:0 pe:[0;0] ua:0 ap:[0;0] ep:1 wo:2 oos:307063536<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> [======>.............] sync'ed: 36.4% (299864/470788)M<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> finish: 1:00:41 speed: 84,300 (91,452 -- 80,028) want: 614,400 K/sec<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> 11% sector pos: 373912576/3221127096<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> resync: used:0/61 hits:696233 misses:2854 starving:0 locked:0 changed:1427<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> act_log: used:0/1237 hits:842881 misses:5965929 starving:0 locked:0 changed:118214<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> blocked on activity log: 0<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas">[root@001db01b 0]# cat /sys/kernel/debug/drbd/resources/ha01_mysql/connections/001db01a/0/proc_drbd<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas">0: cs:SyncSource ro:Primary/Secondary ds:UpToDate/Inconsistent C r-----<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> ns:370199208 nr:580 dw:1039815524 dr:197034909 al:50060 bm:0 lo:0 pe:[0;0] ua:0 ap:[0;0] ep:1 wo:2 oos:105671448<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> [=>..................] sync'ed: 10.0% (103192/114580)M<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> finish: 3:50:34 speed: 7,632 (2,804 -- 4,988) K/sec<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> 0% sector pos: 0/3221127096<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> resync: used:0/61 hits:188990 misses:364 starving:0 locked:0 changed:186<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> act_log: used:0/1237 hits:173070247 misses:3163320 starving:0 locked:0 changed:130073<o:p></o:p></span></p>
<p class="MsoNormal"><span style="font-size:10.0pt;font-family:Consolas"> blocked on activity log: 0<o:p></o:p></span></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
<p class="MsoNormal"><img width="522" height="105" style="width:5.4375in;height:1.0937in" id="Picture_x0020_1" src="cid:image001.jpg@01D43709.AAFEDDD0" alt="sig"><o:p></o:p></p>
<p class="MsoNormal"><o:p> </o:p></p>
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