On 13 oct. 2010, at 18:37, Marty Scholes wrote:

> The only thing that still stands out is that network operations (iSCSI and 
> NFS) to external drives are slow, correct?
> 
> Just for completeness, what happens if you scp a file to the three different 
> pools?  If the results are the same as NFS and iSCSI, then I think the 
> network can be ruled out.
> 
> I would be leaning toward thinking there is some mismatch between the network 
> protocols and the external controllers/cables/arrays.

Sounding more and more like a networking issue - are the network cards set up 
in an aggregate? I had some similar issues on GbE where there was a mismatch 
between the aggregate settings on the switches and the LACP settings on the 
server. Basically the network was wasting a ton of time trying to renegotiate 
the LACP settings and slowing everything down.

Ditto for the Linux networking - single port or aggregated dual port?

Erik
_______________________________________________
zfs-discuss mailing list
zfs-discuss@opensolaris.org
http://mail.opensolaris.org/mailman/listinfo/zfs-discuss

Reply via email to