[DRBD-user] Syncer rate limit of 700000K/s...

Milind Dumbare milind at linsyssoft.com
Tue Oct 3 11:08:43 CEST 2006

Note: "permalinks" may not be as permanent as we would like,
direct links of old sources may well be a few messages off.


On Mon, 2006-10-02 at 08:53 +0200, Francis SOUYRI wrote:
> Hello,
> 
> hdparm -t /dev/sda
> 
> /dev/sda:
>  Timing buffered disk reads:  246 MB in  3.01 seconds =  81.68 MB/sec
> 

This is why sync rate is 70MBytes ... as Lars said, "you need an io
backend that can deliver a write performance of more than 700 Mega
octets per second"
> 
> and hdparm -T /dev/sda

> /dev/sda:
>  Timing cached reads:   3140 MB in  2.00 seconds = 1570.25 MB/sec
> 
> Best regards.
> 
> Francis
> 
> Milind Dumbare wrote:
> > On Fri, 2006-09-29 at 12:23 +0200, Francis SOUYRI wrote:
> >   
> >> Hello,
> >>
> >>    I have a cluster of two nodes and for the drbd link I have a bond of 
> >> two gigabit links.
> >> I want to used the maximun speed for the sync but with drbd 0.7.21 I am 
> >> limited to a speed of 700000K/s.
> >> How to increase this limit ? I need to edit the drbd_limits.h file ?
> >>
> >>     
> > What is "hdparm -t <Underlying drbd volume>". Is it slow (700000K/s)?
> >   
> >> Best regards.
> >>
> >> Francis
> >> _______________________________________________
> >> drbd-user mailing list
> >> drbd-user at lists.linbit.com
> >> http://lists.linbit.com/mailman/listinfo/drbd-user
> >>
> >>
> >>     
> _______________________________________________
> drbd-user mailing list
> drbd-user at lists.linbit.com
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> 
> 
-- 
Milind
"The world is divided into one group: those who start counting at 0,
and those who don't."




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