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<DIV dir=ltr><FONT face=Verdana color=#000000 size=2>Hi,</FONT></DIV>
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<DIV dir=ltr><FONT face=Verdana size=2> Actually these servers are in 1GBPS local LAN only and H/W is also same for both the servers.</FONT></DIV>
<DIV dir=ltr><FONT face=Verdana size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Verdana size=2>IBM xserver 3650 M2, 8GB RAM, 2x Intel Xeon Processors, 300GBx4 SAS HDD, RAID 5, 1GBPSx2 NIC's.</FONT></DIV>
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<DIV dir=ltr><FONT face=Verdana size=2>MySQL5.1.42 Advanced version</FONT></DIV>
<DIV dir=ltr><FONT face=Verdana size=2>Please suggest on this.</FONT></DIV>
<DIV dir=ltr><FONT face=Verdana size=2></FONT> </DIV>
<DIV dir=ltr><FONT face=Verdana size=2>Thanks,</FONT></DIV>
<DIV dir=ltr><FONT face=Verdana size=2>BalReddy</FONT></DIV></DIV>
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<FONT face=Tahoma size=2><B>From:</B> James Perry [mailto:jperry@mezeo.com]<BR><B>Sent:</B> Tue 3/30/2010 7:18 PM<BR><B>To:</B> PN<BR><B>Cc:</B> Balreddy Medipally; drbd-user@lists.linbit.com<BR><B>Subject:</B> Re: [DRBD-user] DRBD is deadly slow.<BR></FONT><BR></DIV>
<DIV>Read this!
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<DIV><A href="http://www.drbd.org/users-guide/s-configure-syncer-rate.html">http://www.drbd.org/users-guide/s-configure-syncer-rate.html</A></DIV>
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<DIV>On Mar 30, 2010, at 8:35 AM, PN wrote:</DIV><BR class=Apple-interchange-newline>
<BLOCKQUOTE type="cite">Try to increase the syncer rate to a much higher number and restart DRBD on both nodes will definitely help to increase the sync speed.<BR><BR>PN<BR><BR><BR><BR>
<DIV class=gmail_quote>2010/3/30 Balreddy Medipally <SPAN dir=ltr><<A href="mailto:balreddy.m@imimobile.com">balreddy.m@imimobile.com</A>></SPAN><BR>
<BLOCKQUOTE class=gmail_quote style="PADDING-LEFT: 1ex; MARGIN: 0pt 0pt 0pt 0.8ex; BORDER-LEFT: rgb(204,204,204) 1px solid"> Hi All,<BR><BR> I am running DRBD 8.3.0 on RedHat Enterprise Linux AS 4.8 64-bit<BR>OS for production purpose. MySQL works superfast in when load was not<BR>there, when load was there it become deadly slow. Can any one please<BR>help me to make it faster.<BR><BR>Here is my drbd.conf file.<BR><BR>[root@imi-drbd1 ~]# cat /etc/drbd.conf<BR>resource drbd0 {<BR>protocol C;<BR>startup {<BR>become-primary-on both;<BR>}<BR>net {<BR>allow-two-primaries;<BR>cram-hmac-alg sha256;<BR>shared-secret DRBD2KVM123456;<BR>after-sb-0pri discard-least-changes;<BR>after-sb-1pri violently-as0p;<BR>after-sb-2pri violently-as0p;<BR>rr-conflict violently;<BR>}<BR>syncer {<BR>rate 44M;<BR>}<BR><BR>on imi-drbd1 {<BR> device /dev/drbd0;<BR> disk /dev/sda2;<BR> address ipv4 <A href="http://192.168.168.1:7768/" target=_blank>192.168.168.1:7768</A>;<BR> meta-disk internal;<BR>}<BR>on imi-drbd2 {<BR> device /dev/drbd0;<BR> disk /dev/sda2;<BR> address ipv4 <A href="http://192.168.168.2:7768/" target=_blank>192.168.168.2:7768</A>;<BR> meta-disk internal;<BR> }<BR>}<BR>[root@imi-drbd1 ~]#<BR><BR>Thanks,<BR>BalReddy.<BR>_______________________________________________<BR>drbd-user mailing list<BR><A href="mailto:drbd-user@lists.linbit.com">drbd-user@lists.linbit.com</A><BR><A href="http://lists.linbit.com/mailman/listinfo/drbd-user" target=_blank>http://lists.linbit.com/mailman/listinfo/drbd-user</A><BR></BLOCKQUOTE></DIV><BR><BR clear=all><BR>-- <BR>Best Regards,<BR>PN Lai<BR>Storage Manager / HPC Specialist<BR>Galactic Computng Corp.<BR>Tel: 86-755-26733939 ext 826<BR>Mobile: 86-13823161729 / 852-60333151<BR>Fax: 86-755-26733780<BR>URL: <A href="http://www.galactic.com.hk/">http://www.galactic.com.hk</A><BR>_______________________________________________<BR>drbd-user mailing list<BR><A href="mailto:drbd-user@lists.linbit.com">drbd-user@lists.linbit.com</A><BR>http://lists.linbit.com/mailman/listinfo/drbd-user<BR></BLOCKQUOTE></DIV><BR>
<DIV>James Perry<BR>Principal Consultant<BR>Mezeo Software<BR>t: 713.244.0859<BR>f: 713.244.0851<BR>m: 713.444.0251<BR></DIV><BR></DIV></DIV></BODY></HTML>