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тАО09-30-2010 05:48 PM
тАО09-30-2010 05:48 PM
2910al and P4000
We have 2 2910al-24G to use with P4000 storage.
The 2 2910al are connected with a 2-port lacp trunk
A VLAN has been enabled for connecting P4000 nodes , per vlan jumbo frames has been enabled .
Flow control is enabled on all P4000 ports.
P4000 nodes are configured with Adaptive Load Balancing
We are experiencing network problem with nodes , ping packets lost , when the P4000 are connected with both interfaces . If we disconnect one of them all is fine .
Is there anything to be configured on 2910 to better support iscsi operation ?
Also how can increase per-port buffer ?
I know I can reduce the qos queue but don't know exactly how to do it
thanks
The 2 2910al are connected with a 2-port lacp trunk
A VLAN has been enabled for connecting P4000 nodes , per vlan jumbo frames has been enabled .
Flow control is enabled on all P4000 ports.
P4000 nodes are configured with Adaptive Load Balancing
We are experiencing network problem with nodes , ping packets lost , when the P4000 are connected with both interfaces . If we disconnect one of them all is fine .
Is there anything to be configured on 2910 to better support iscsi operation ?
Also how can increase per-port buffer ?
I know I can reduce the qos queue but don't know exactly how to do it
thanks
2 REPLIES 2
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тАО12-07-2010 02:09 AM
тАО12-07-2010 02:09 AM
Re: 2910al and P4000
Hello,
The HP docs say Flow Control and Jumbo frames isn't best practice for iSCSI
if you enable Jubo frames you should disable flow control.
The HP docs say Flow Control and Jumbo frames isn't best practice for iSCSI
if you enable Jubo frames you should disable flow control.
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тАО12-07-2010 04:21 AM
тАО12-07-2010 04:21 AM
Re: 2910al and P4000
Hi,
Another things to check is the LACP out port algorithm for HPN product, if this is sa-da, you need to configure your P4000 product to work in the same way.
Bye.
Another things to check is the LACP out port algorithm for HPN product, if this is sa-da, you need to configure your P4000 product to work in the same way.
Bye.
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