<div dir="ltr"><div class="gmail_extra"><div class="gmail_quote"><div>Alexandre,<br><br>This is actually so long story I was investigating more then a year until got this working without out-of-sync. Two Domain Controllers died because of this. We'd been trying to replace most of hardware/firmware/disabling TOS/etc but the issue had never gone.<br> <br></div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">What is your vm guest os ? kernel version ?<br></blockquote><div>Guest OS can be Windows (any) and Linux (any version).<br></div><div>1. It happens not often for Windows VM but when happen can be fatal.<br></div><div>2. It is often happen to Linux VM swap space.<br></div><div>3. It doesn't usually happen to Linux VM ext4 with barriers enabled and I've seen this only happen to Linux VM ext4 with graylog2 installed on it (java application). I don't know why, may be this application can ignore barriers somehow. I don't understand this.<br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
do you have disabled barrier in /etc/fstab ?<br></blockquote><div>Never disabled.<br></div><div> </div><blockquote class="gmail_quote" style="margin:0px 0px 0px 0.8ex;border-left:1px solid rgb(204,204,204);padding-left:1ex">
What is your host storage ? (soft|hard raid ?)<br>
<span class=""></span></blockquote></div>Hardware RAID<br></div><div class="gmail_extra"><br></div><div class="gmail_extra">Best regards,<br></div><div class="gmail_extra">Stanislav<br></div><div class="gmail_extra"><br></div><div class="gmail_extra"><br></div></div>