Severe Reliability & Performance Problems with a PE4600

Mark Watts m.watts at
Wed May 19 02:57:00 CDT 2004

Hash: SHA1

> Hi,
> On Tue, 18 May 2004, Mark Watts wrote:
> > As an aside, does anyone know whether the Broadcom cards in a 1750 are
> > 64bit or not?
> The driver says yes:
> Apr 21 18:06:47 linux kernel: eth0: Tigon3 [partno(BCM95704A6) rev 2002
>   PHY(5704)] (PCIX:133MHz:64-bit) 10/100/1000BaseT Ethernet
>   00:0b:db:95:f9:c9
> Apr 21 18:06:47 linux kernel: eth1: Tigon3 [partno(BCM95704A6) rev 2002
>   PHY(5704)] (PCIX:133MHz:64-bit) 10/100/1000BaseT Ethernet
>   00:0b:db:95:f9:ca

Typically, I looked at everything _but_ the lspci -v output :o)

> > I have another server (not dell) with the same cards (5704) and
> > transferring data between them using the Cisco (everything at 1000/FD)
> > I'm only seeing 30MB/sec (~240mbit) which is a bit pants really for
> > GigE...
> > (Second server is a Dual Opteron 248)
> At (a PE2650 with the onboard broadcoms) I have already seen
> 112 MByte/sec network i/o.
> But usually the file system and disk i/o is a bottleneck before
> it is the GBit network part.

The I/O on each end of the wire should certainly be able to cope with more 
than 30MB/sec, even if it can't max the GigE ports. I'll have a bet more of a 


- -- 
Mark Watts
Senior Systems Engineer
QinetiQ Trusted Information Management
Trusted Solutions and Services group
GPG Public Key ID: 455420ED

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