[DRBD-user] slow synchronisation

[Philipp Reisner]

> Hello,
>
> Hardware: Tyan Thunder i7501 Pro, 512MB RAM, Intel Xeon 2400, 3Ware
> Escalade 7506-4P RAID Controller, 3x Seagate Baracuda 160GB (RAID 5), 2x
> Intel Etherexpress 1000MBit (no Jumbo-Frames, MTU on default value)
>
> Software: Debian GNU/Linux Woody, Kernel 2.4.26, DRDB 0.7.3
>
> Network link tested with iptraf. I sent a 190MB Package over the two
> gigabit cards and measured a speed of 12MB/s. So I think the network cards
> are alright. I tried with bonding mode 0 and 1. I can´t test it without
> bonding, because the RAID on the second node rebuilds at the moment.

If I would test the gigabit NICs of a pair of such servers I would not
be satisfied with 12MB/sec. I would expect 120 mega byte per second.

>
> I dont tested the harddisks.
>

Have you got the 3ware software installed, do you know if the
raid was just in the progress of rebuilding ?

-Philipp
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