I have got a SAN with 13 Sata-HDDs bound to a Server with 4 x 1Gbit NICs with MPIO.

Read throughput is arround 110-120MB/s (all NICs get used)
Write throughput is at more than 300MB/s

Can someone give me a hint?

BTW: Server OS: RHEL6 or Debian Lenny both open-iscsi initiator.

Thanks in advance

Andreas Grabner