[DRBD-user] Re: Initial Synchronisation very slow.

Helmut Wollmersdorfer helmut.wollmersdorfer at gmx.at
Mon Jan 31 17:57:13 CET 2005

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

Laurent Simonneau wrote:

> I use DRBD 0.7.7 on a Dell PowerEdge 2850 (2 Xeon 2.80GHz, Gigabit 
> ethernet, ...).

> The initial DRBD volume synchronisation is really slow and I don't 
> understand why.

> Please help !! I have a partition of 350 GB to synchronize !
>  2: cs:SyncTarget st:Secondary/Secondary ld:Inconsistent
>     ns:0 nr:2038884 dw:2038884 dr:0 al:0 bm:124 lo:0 pe:3593 ua:0 ap:0
>         [>...................] sync'ed:  0.6% (337334/339325)M
>         finish: 7:46:10 speed: 12,340 (11,452) K/sec

Seems to be exactly the speed of a 100 Mbit/sec network. What does a 
network performance measurement tool, e.g. "bing <from-IP> <to-IP>" say?

Helmut Wollmersdorfer

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