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</o:shapelayout></xml><![endif]--></head><body lang=EN-NZ link=blue vlink=purple style='margin-left:7.5pt;margin-top:7.5pt;margin-right:7.5pt'><div class=WordSection1><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>I have a patch for rrdcached I n1.4.trunk that allows chaining, IE, you write to rrdcached on machine A, it writes to RRD files on machine A, but also copies the update on to rrdcached on machine B which updates corresponding RRD files there as well.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>However this is not yet fully tidied up and integrated with trunk, due to questions about how it should behave if machine B is down, and what it should do with the other functions (create, info, fetch, etc)<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Might be worth revisiting… Ive not been able to look at it for many months due to work pressures.<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Steve<o:p></o:p></span></p><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><div><div class=MsoNormal align=center style='text-align:center'><span lang=EN-US style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><hr size=2 width="100%" align=center></span></div><p class=MsoNormal align=left style='text-align:left'><b><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Steve Shipway<o:p></o:p></span></b></p><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>ITS Unix Services Design Lead<o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>University of Auckland, New Zealand<o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D'>Floor 1, 58 Symonds Street, Auckland<o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left'><i><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#595959'>Phone: +64 (0)9 3737599 ext 86487<o:p></o:p></span></i></p><p class=MsoNormal align=left style='text-align:left'><i><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#595959'>DDI: +64 (0)9 924 6487<o:p></o:p></span></i></p><p class=MsoNormal align=left style='text-align:left'><i><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#595959'>Mobile: +64 (0)21 753 189<o:p></o:p></span></i></p><p class=MsoNormal align=left style='text-align:left'><i><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#595959'>Email: <a href="mailto:s.shipway@auckland.ac.nz"><span style='color:#595959'>s.shipway@auckland.ac.nz</span></a><o:p></o:p></span></i></p><p class=MsoNormal align=left style='text-align:left'><span lang=EN-GB style='font-size:18.0pt;font-family:Webdings;color:green'>P</span><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:blue'> </span><span lang=EN-GB style='font-size:10.0pt;font-family:"Arial Narrow","sans-serif";color:green'>Please consider the environment before printing this e-mail</span><span lang=EN-GB style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:blue'> </span><span lang=EN-GB style='font-size:7.5pt;font-family:"Verdana","sans-serif";color:navy'><o:p></o:p></span></p><p class=MsoNormal align=left style='text-align:left'><i><span style='font-size:10.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></i></p></div><p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";color:#1F497D'><o:p>&nbsp;</o:p></span></p><div style='border:none;border-left:solid blue 1.5pt;padding:0cm 0cm 0cm 4.0pt'><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal align=left style='text-align:left'><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> rrd-users-bounces+s.shipway=auckland.ac.nz@lists.oetiker.ch [mailto:rrd-users-bounces+s.shipway=auckland.ac.nz@lists.oetiker.ch] <b>On Behalf Of </b>ccddtt<br><b>Sent:</b> Tuesday, 17 July 2012 3:08 p.m.<br><b>To:</b> Simon Hobson; rrd-users<br><b>Subject:</b> Re: [rrd-users] Incremental backup rrd file<o:p></o:p></span></p></div></div><p class=MsoNormal align=left style='text-align:left'><o:p>&nbsp;</o:p></p><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:12.0pt;font-family:"Verdana","sans-serif";color:blue'>Hi,Simon Hobson</span><span lang=ZH-CN style='font-size:12.0pt;font-family:SimSun;color:blue'>,</span><span style='font-size:12.0pt;font-family:SimSun'><o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:12.0pt;font-family:SimSun'>&nbsp;<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:12.0pt;font-family:SimSun'>&nbsp; &nbsp;thank you repleay.<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:12.0pt;font-family:SimSun'>1\ rsync,is a good sync file tools. but i think is not for me question.<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:12.0pt;font-family:SimSun'>because:&nbsp;when i update some data to rrd file,the file is status is 'changed',so rsync need transfer the complete file .<strong><span style='font-family:SimSun'>Is my analysis correct?</span></strong><o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:12.0pt;font-family:SimSun'>so ,I think use rsync is not Reduced my netflow.<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:12.0pt;font-family:SimSun'>&nbsp;<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:12.0pt;font-family:SimSun'>&nbsp;<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:12.0pt;font-family:SimSun'>&nbsp;<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:12.0pt;font-family:SimSun'>2\rrdcached,I just read it's doc.i think it maybe meet my needs.<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:12.0pt;font-family:SimSun'>but need i write many script..... so </span><span lang=EN style='font-size:12.0pt;font-family:SimSun'>terrible <img border=0 id="_x0000_i1025" src="cid:image001.gif@01CD6432.FD113C40"></span><span style='font-size:12.0pt;font-family:SimSun'><o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:12.0pt;font-family:SimSun'>&nbsp;<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:12.0pt;font-family:SimSun'>Thanks!<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:12.0pt;font-family:SimSun'>&nbsp;<o:p></o:p></span></p></div><div class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><hr size=2 width=122 style='width:91.5pt' align=center></span></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:silver'>2012-07-17</span><span style='font-size:12.0pt;font-family:SimSun;color:silver'><o:p></o:p></span></p></div><div><div><div><p class=MsoNormal align=left style='text-align:left'><span lang=EN-US style='font-size:10.0pt;font-family:"Verdana","sans-serif";color:silver'><br>&nbsp;<o:p></o:p></span></p></div></div></div><div><div class=MsoNormal align=center style='text-align:center'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><hr size=2 width="100%" align=center></span></div></div><div><p class=MsoNormal align=left style='text-align:left'><strong><span lang=ZH-CN style='font-size:10.0pt;font-family:SimSun'>发件人:</span></strong><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'> Simon Hobson</span><span style='font-size:12.0pt;font-family:SimSun'><o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><strong><span lang=ZH-CN style='font-size:10.0pt;font-family:SimSun'>发送时间:</span></strong><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'> 2012-07-16&nbsp;19:36:06</span><span style='font-size:12.0pt;font-family:SimSun'><o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><strong><span lang=ZH-CN style='font-size:10.0pt;font-family:SimSun'>收件人:</span></strong><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'> rrd-users</span><span style='font-size:12.0pt;font-family:SimSun'><o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><strong><span lang=ZH-CN style='font-size:10.0pt;font-family:SimSun'>抄送:</span></strong><span lang=ZH-CN style='font-size:10.0pt;font-family:"Verdana","sans-serif"'> </span><span style='font-size:12.0pt;font-family:SimSun'><o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><strong><span lang=ZH-CN style='font-size:10.0pt;font-family:SimSun'>主题:</span></strong><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'> Re: [rrd-users] Incremental backup rrd file</span><span style='font-size:12.0pt;font-family:SimSun'><o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:12.0pt;font-family:SimSun'>&nbsp;<o:p></o:p></span></p></div><div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>ccddtt&nbsp;wrote:<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>&gt;I&nbsp;had&nbsp;some&nbsp;rrd&nbsp;files&nbsp;more&nbsp;than&nbsp;300M,need&nbsp;bakup&nbsp;to&nbsp;remote&nbsp;&nbsp;server&nbsp;every&nbsp;day.<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>&gt;I&nbsp;use&nbsp;VPN&nbsp;access&nbsp;the&nbsp;remote&nbsp;server,the&nbsp;link&nbsp;&nbsp;is&nbsp;very&nbsp;slow.<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>&gt;who&nbsp;can&nbsp;tell&nbsp;me&nbsp;how&nbsp;to&nbsp;incremental&nbsp;backup&nbsp;the&nbsp;rrd&nbsp;file&nbsp;?<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>&gt;<o:p>&nbsp;</o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>&gt;i&nbsp;think&nbsp;maybe&nbsp;like&nbsp;this:i&nbsp;can&nbsp;back&nbsp;that&nbsp;day&nbsp;rrd&nbsp;data(not&nbsp;need&nbsp;other&nbsp;<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>&gt;day),and&nbsp;put&nbsp;to&nbsp;remote&nbsp;server,and&nbsp;iput&nbsp;the&nbsp;bak&nbsp;data&nbsp;to&nbsp;rrd&nbsp;file.<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>rsync&nbsp;is&nbsp;the&nbsp;first&nbsp;tool&nbsp;that&nbsp;comes&nbsp;to&nbsp;mind.<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Alternatively,&nbsp;you&nbsp;could&nbsp;consider&nbsp;using&nbsp;rrdcached&nbsp;and&nbsp;write&nbsp;the&nbsp;data&nbsp;<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>to&nbsp;a&nbsp;second&nbsp;RRD&nbsp;file&nbsp;on&nbsp;the&nbsp;remote&nbsp;system.<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>--&nbsp;<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Simon&nbsp;Hobson<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Visit&nbsp;<a href="http://www.magpiesnestpublishing.co.uk/">http://www.magpiesnestpublishing.co.uk/</a>&nbsp;for&nbsp;books&nbsp;by&nbsp;acclaimed<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>author&nbsp;Gladys&nbsp;Hobson.&nbsp;Novels&nbsp;-&nbsp;poetry&nbsp;-&nbsp;short&nbsp;stories&nbsp;-&nbsp;ideal&nbsp;as<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Christmas&nbsp;stocking&nbsp;fillers.&nbsp;Some&nbsp;available&nbsp;as&nbsp;e-books.<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>_______________________________________________<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>rrd-users&nbsp;mailing&nbsp;list<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><a href="mailto:rrd-users@lists.oetiker.ch">rrd-users@lists.oetiker.ch</a><o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'><a href="https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users">https://lists.oetiker.ch/cgi-bin/listinfo/rrd-users</a><o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>-----<o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Checked&nbsp;by&nbsp;AVG&nbsp;-&nbsp;<a href="http://www.avg.com">www.avg.com</a><o:p></o:p></span></p></div><div><p class=MsoNormal align=left style='text-align:left'><span style='font-size:10.0pt;font-family:"Verdana","sans-serif"'>Version:&nbsp;2012.0.2197&nbsp;/&nbsp;Virus&nbsp;Database:&nbsp;2437/5135&nbsp;-&nbsp;Release&nbsp;Date:&nbsp;07/16/12<o:p></o:p></span></p></div></div></div></div></body></html>