Hi Bart, I can create a 1Gb file on /dev/cciss/c0d0p2 in 1.73 sec on /dev/drbd0 it take 35 sec
Gerry -----Original Message----- From: Bart Coninckx [mailto:[email protected]] Sent: 08 June 2010 13:35 To: Gerry Kernan Cc: [email protected] Subject: Re: [DRBD-user] slow preformance to remote server Gerry, what about the differences in read and write to both the lowel level device and the DRBD device? On Tuesday 08 June 2010 14:05:11 Gerry Kernan wrote: > Hi Bart, > Thanks for your time on this. > > Do you mean , when i access /dev/cciss/c0d0p2 instead of /dev/drdb0. > If so yes accessing /dev/cciss/c0d0p2 is a lot faster. > > gerry > > -----Original Message----- > From: [email protected] > [mailto:[email protected]] On Behalf Of Bart Coninckx > Sent: 08 June 2010 12:58 > To: Gerry Kernan > Cc: [email protected] > Subject: Re: [DRBD-user] slow preformance to remote server > > With protocol A that does not make a lot of sense. So using the lowlevel > device directly in stead of the DRBD resource gives you a noticeable > performance boost? > > On Tuesday 08 June 2010 12:52:25 Gerry Kernan wrote: > > Hi > > > > Yes sync is ok. And both resources are consistent. But some processes > > that access the drbd resource are taking longed that before i enabled the > > resources > > > > Gerry > > > > > > > > -----Original Message----- > > From: [email protected] > > [mailto:[email protected]] On Behalf Of Bart Coninckx > > Sent: 08 June 2010 09:40 > > To: [email protected]; Gerry Kernan > > Subject: Re: [DRBD-user] slow preformance to remote server > > > > On Thursday 03 June 2010 16:10:18 Gerry Kernan wrote: > > > Hi > > > > > > I have a 2 drbd resources setup to run to a remote servervia a 35Mb > > > wireless link. I am using prococol A and sync rate of 35M, are > > > thereany other setting i can use to try and improve performance. Since > > > turning ondrbd users on the system are complaining that process are > > > taking longer to run. > > > > > > Thanks in advance > > > > > > > > > Regards, > > > Gerry Kernan > > > InfinityIT > > > > > > Suite 17 The Mall, > > > Beacon court, > > > Sandyford, > > > Dublin 18. > > > > > > p:+353-1-2930090 > > > f:+353-1-2930137 > > > > If you use a sync rate of 35MB/sec the complete bandwidth will be used in > > case of a sync. Is a sync happening? > > > > B. > > _______________________________________________ > > drbd-user mailing list > > [email protected] > > http://lists.linbit.com/mailman/listinfo/drbd-user > > _______________________________________________ > drbd-user mailing list > [email protected] > http://lists.linbit.com/mailman/listinfo/drbd-user > _______________________________________________ drbd-user mailing list [email protected] http://lists.linbit.com/mailman/listinfo/drbd-user
