<html xmlns:o="urn:schemas-microsoft-com:office:office" xmlns:w="urn:schemas-microsoft-com:office:word" xmlns="http://www.w3.org/TR/REC-html40">

<head>
<meta http-equiv=Content-Type content="text/html; charset=gb2312">
<meta name=Generator content="Microsoft Word 11 (filtered medium)">
<style>
<!--
 /* Font Definitions */
 @font-face
        {font-family:Helvetica;
        panose-1:2 11 6 4 2 2 2 2 2 4;}
@font-face
        {font-family:ËÎÌå;
        panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
        {font-family:PMingLiU;
        panose-1:2 2 3 0 0 0 0 0 0 0;}
@font-face
        {font-family:"Myriad Web";}
@font-face
        {font-family:"Trebuchet MS";
        panose-1:2 11 6 3 2 2 2 2 2 4;}
@font-face
        {font-family:"\@ËÎÌå";
        panose-1:2 1 6 0 3 1 1 1 1 1;}
@font-face
        {font-family:"\@PMingLiU";
        panose-1:2 2 3 0 0 0 0 0 0 0;}
 /* Style Definitions */
 p.MsoNormal, li.MsoNormal, div.MsoNormal
        {margin:0cm;
        margin-bottom:.0001pt;
        text-align:justify;
        text-justify:inter-ideograph;
        font-size:10.5pt;
        font-family:"Times New Roman";}
p.MsoList4, li.MsoList4, div.MsoList4
        {margin-top:0cm;
        margin-right:0cm;
        margin-bottom:0cm;
        margin-left:5.0pt;
        margin-bottom:.0001pt;
        mso-para-margin-top:0cm;
        mso-para-margin-right:0cm;
        mso-para-margin-bottom:0cm;
        mso-para-margin-left:6.0gd;
        mso-para-margin-bottom:.0001pt;
        text-align:justify;
        text-justify:inter-ideograph;
        text-indent:-10.0pt;
        font-size:10.5pt;
        font-family:"Times New Roman";}
p.MsoTitle, li.MsoTitle, div.MsoTitle
        {mso-margin-top-alt:auto;
        margin-right:0cm;
        mso-margin-bottom-alt:auto;
        margin-left:0cm;
        font-size:12.0pt;
        font-family:ËÎÌå;}
p.MsoBodyText, li.MsoBodyText, div.MsoBodyText
        {margin-top:0cm;
        margin-right:0cm;
        margin-bottom:6.0pt;
        margin-left:0cm;
        text-align:justify;
        text-justify:inter-ideograph;
        font-size:10.5pt;
        font-family:"Times New Roman";}
a:link, span.MsoHyperlink
        {color:blue;
        text-decoration:underline;}
a:visited, span.MsoHyperlinkFollowed
        {color:purple;
        text-decoration:underline;}
p.5, li.5, div.5
        {margin-top:0cm;
        margin-right:0cm;
        margin-bottom:0cm;
        margin-left:84.0pt;
        margin-bottom:.0001pt;
        mso-para-margin-top:0cm;
        mso-para-margin-right:0cm;
        mso-para-margin-bottom:0cm;
        mso-para-margin-left:6.0gd;
        mso-para-margin-bottom:.0001pt;
        text-indent:-24.0pt;
        layout-grid-mode:char;
        font-size:12.0pt;
        font-family:"Myriad Web";}
span.EmailStyle20
        {mso-style-type:personal-compose;
        font-family:"Trebuchet MS";
        color:blue;
        font-weight:normal;
        font-style:normal;
        text-decoration:none none;}
 /* Page Definitions */
 @page Section1
        {size:595.3pt 841.9pt;
        margin:72.0pt 90.0pt 72.0pt 90.0pt;
        layout-grid:15.6pt;}
div.Section1
        {page:Section1;}
-->
</style>

</head>

<body lang=ZH-CN link=blue vlink=purple style='text-justify-trim:punctuation'>

<div class=Section1 style='layout-grid:15.6pt'>

<p class=MsoNormal style='layout-grid-mode:char'><font size=3 color=blue
face="Trebuchet MS"><span lang=EN-US style='font-size:12.0pt;font-family:"Trebuchet MS";
color:blue'>Hi all:<o:p></o:p></span></font></p>

<p class=MsoNormal style='layout-grid-mode:char'><font size=3 color=blue
face="Trebuchet MS"><span lang=EN-US style='font-size:12.0pt;font-family:"Trebuchet MS";
color:blue'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I have no idea about how long the
primary sync its data to secondary?<o:p></o:p></span></font></p>

<p class=MsoNormal style='text-indent:21.0pt;layout-grid-mode:char'><font
size=3 color=blue face="Trebuchet MS"><span lang=EN-US style='font-size:12.0pt;
font-family:"Trebuchet MS";color:blue'>Or once the data is changed on primary
physical device, it is send to secondary immediately?<o:p></o:p></span></font></p>

<p class=MsoNormal style='layout-grid-mode:char'><font size=3 color=blue
face="Trebuchet MS"><span lang=EN-US style='font-size:12.0pt;font-family:"Trebuchet MS";
color:blue'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Please excuse my English (it is too
difficult to me...)<o:p></o:p></span></font></p>

<p class=MsoNormal style='layout-grid-mode:char'><font size=3 color=blue
face="Trebuchet MS"><span lang=EN-US style='font-size:12.0pt;font-family:"Trebuchet MS";
color:blue'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I mean, for heartbeat, set <i><span
style='font-style:italic'>keepalive </span></i>is to set interval between
heartbeat packets. While for DRBD, is there such a variable to tell primary send
data to secondary each 1 or 2 or other number seconds if the data changed??<o:p></o:p></span></font></p>

<p class=MsoNormal style='layout-grid-mode:char'><font size=3 color=blue
face="Trebuchet MS"><span lang=EN-US style='font-size:12.0pt;font-family:"Trebuchet MS";
color:blue'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; I haven¡¯t found a variable in drbd.conf.<o:p></o:p></span></font></p>

<p class=MsoNormal style='layout-grid-mode:char'><font size=3 color=blue
face="Trebuchet MS"><span lang=EN-US style='font-size:12.0pt;font-family:"Trebuchet MS";
color:blue'>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Thank you very much. <o:p></o:p></span></font></p>

<p class=MsoNormal style='layout-grid-mode:char'><font size=3 color=blue
face="Trebuchet MS"><span lang=EN-US style='font-size:12.0pt;font-family:"Trebuchet MS";
color:blue'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoTitle style='margin:0cm;margin-bottom:.0001pt;layout-grid-mode:
char'><font size=2 color=black face=Helvetica><span lang=EN-US
style='font-size:11.0pt;font-family:Helvetica;color:black'>Best regards<o:p></o:p></span></font></p>

<p class=MsoTitle style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=black face=Helvetica><span lang=FR style='font-size:11.0pt;font-family:
Helvetica;color:black'>Selina Sun<o:p></o:p></span></font></p>

<p class=MsoTitle style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=black face=Helvetica><span lang=FR style='font-size:11.0pt;font-family:
Helvetica;color:black'>SW2</span></font><font size=2 color=navy face=Arial><span
lang=EN-US style='font-size:10.0pt;font-family:Arial;color:navy'><o:p></o:p></span></font></p>

<p class=MsoTitle style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=black face=Helvetica><span lang=FR style='font-size:11.0pt;font-family:
Helvetica;color:black'>ZyXEL Communications</span></font><font size=2
color=black face=PMingLiU><span lang=ZH-TW style='font-size:11.0pt;font-family:
PMingLiU;color:black'>£¨</span></font><font size=2 color=black face=Helvetica><span
lang=FR style='font-size:11.0pt;font-family:Helvetica;color:black'>Wuxi</span></font><font
size=2 color=black face=PMingLiU><span lang=ZH-TW style='font-size:11.0pt;
font-family:PMingLiU;color:black'>£©</span></font><font size=2 color=black
face=Helvetica><span lang=FR style='font-size:11.0pt;font-family:Helvetica;
color:black'>Corp.</span></font><font size=2 color=black face="Trebuchet MS"><span
lang=FR style='font-size:11.0pt;font-family:"Trebuchet MS";color:black'><o:p></o:p></span></font></p>

<p class=MsoTitle style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=black face=Helvetica><span lang=FR style='font-size:11.0pt;font-family:
Helvetica;color:black'>Tel: +86-510-</span></font><font size=2 color=black
face="Trebuchet MS"><span lang=FR style='font-size:11.0pt;font-family:"Trebuchet MS";
color:black'>8</span></font><font size=2 color=black face=Helvetica><span
lang=FR style='font-size:11.0pt;font-family:Helvetica;color:black'>8080888 ext.
15516</span></font><font color=blue><span lang=EN-US style='color:blue'><o:p></o:p></span></font></p>

<p class=MsoTitle style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=black face="Trebuchet MS"><span lang=FR style='font-size:11.0pt;
font-family:"Trebuchet MS";color:black'>Email: </span></font><font size=2
color=black face=Helvetica><span lang=FR style='font-size:11.0pt;font-family:
Helvetica;color:black'><a href="mailto:selina.sun@zyxel.cn"
title="mailto:sting.hu@zyxel..cn"><font face="Trebuchet MS"><span
style='font-family:"Trebuchet MS"'>selina.sun@zyxel.cn</span></font></a></span></font><font
size=2 color=blue face="Trebuchet MS"><span lang=FR style='font-size:11.0pt;
font-family:"Trebuchet MS";color:blue'> </span></font><font size=2 color=navy
face=Arial><span lang=EN-US style='font-size:10.0pt;font-family:Arial;
color:navy'><o:p></o:p></span></font></p>

<p class=MsoTitle style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=navy face=Helvetica><span lang=FR style='font-size:11.0pt;font-family:
Helvetica;color:navy'><o:p>&nbsp;</o:p></span></font></p>

<p class=MsoTitle style='margin:0cm;margin-bottom:.0001pt'><font size=2
color=black face=Helvetica><span lang=EN-US style='font-size:11.0pt;font-family:
Helvetica;color:black'>Did you check </span></font><font size=2 color=navy
face=Helvetica><span lang=FR style='font-size:11.0pt;font-family:Helvetica;
color:navy'><a href="http://www.zyxel.cn/" title="http://www.zyxel.cn/"><strong><b><font
face=Helvetica><span style='font-family:Helvetica;text-decoration:none'><span
title="http://www.zyxel.cn/">www.zyxel.cn</span></span></font></b></strong></a></span></font><strong><b><font
size=2 color=black face=Helvetica><span lang=FR style='font-size:11.0pt;
font-family:Helvetica;color:black'> </span></font></b></strong><font size=2
color=black face=Helvetica><span lang=EN-US style='font-size:11.0pt;font-family:
Helvetica;color:black'>today?</span></font><font size=2 color=navy
face=Helvetica><span lang=EN-US style='font-size:11.0pt;font-family:Helvetica;
color:navy'><o:p></o:p></span></font></p>

<p class=MsoNormal><font size=2 face="Times New Roman"><span lang=EN-US><o:p>&nbsp;</o:p></span></font></p>

</div>

</body>

</html>